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DEMO6 - dD6.6 Halfway assessment of smart solar district

1. Saft Read Saft Debug Value Description Acrl Value UM Acronimous Description 20 Emergency redundant hardware channel is active for 500ms M ON OFF Contactor opening and circuit break EME T ID Battery Unit ModBus Addr 20 Short circuit detected battery current gt 3804 for gt 10ms HWY ON OFF Customer Reset Contactor opening and BMt T o SOC available ModBus Addr 20 Module temperature 50 C for gt 1sHY ON OFF Customer Reset Auto reset MOI To SOC connected ModBus Addr 20 Module temperature 60 C for 1s HW ON OFF Customer Reset Auto reset Contactor opening MOI To IMR continuous ModBus Addr 20 Module temperature 20 C for gt 1s HW ON OFF Customer Reset Auto reset MOI To A RE ModBus Addr 20 Module temperature 25 C for gt 1s HW ON OFF Customer Reset Auto reset Contactor opening MOI To A MR ModBus Addr 31 Cell voltage gt 4 05V for gt 2s HW ON OFF Customer Reset Auto reset CEL Ts rc Tmax Module ModBus Addr 4 Cell voltage gt 4 13V for 2s HW ON OFF Customer Reset Auto reset Contactor opening CEL Jo rc Tmin Module ModBus Addr 20 Cell voltage 2 7 for gt 2s HW ON OFF Customer Reset Auto reset cal Mags sos qvo vwo ModBus Addr 20 Cell voltage 2 5Y for gt 2s HW ON OFF Customer Reset Contactor opening CEL T 6770 V0 VMR ModBus Addr 30 Cell voltage out of range 1 5 4 5V HW ON OF
2. INNOVATION FOR ENERGY NETWORKS since abundant energy is then available in the district peak production customers benefit from an electricity price between 12 pm and 4 00 pm equivalent to the off peak hour price so as to encourage them to also shift their consumption to these so called solar hours Smart solar equipment EXPERIENCE EQUIPEMENT SOLAIRE INTELLIGENT 4 CDF FAITES L EXP RIENCE D UNE GESTION INTELLIGENTE DE L LECTRICIT SOLAIRE EN 2014 ET 2015 L EXPERIMENTATION NICE GRID C EST CARROS DANS VOTRE QUARTIER DEMANDEZ DES MAINTENANT BENEFICIER D UN ACCOMPAGNEMENT ET D UN SOUTIEN FINANCIER D EDF POUR DEVENIR PRODUCTEUR STOCKEUR D LECTRICIT GER RP OO 9 The SMART SOLAR EQUIPMENT experiment encourages the customer to become equipped with photovoltaic panels thanks to technical assistance from the CSTB to contribute to the quality of the installations and financial aid This aid is granted for the PV installation and a storage solution of the electric battery type provided by partner SAFT This battery can store electricity at times when the panels are most productive to consume it later Here again the customer benefits from an electricity price reduced to the off peak hour price for their electricity consumption from 12 pm to 4 00 pm on solar days so as to encourage them to consume when there is excess production or else store it Tuesday 21 October 2014 239 DEMO6 dD6 6 Ha
3. DISCHARGE TEST AT NOMINAL POWER After discharge test it is necessary to recharge the batteries immediately to avoid the unbalance cells problems The charge is done at constant power as shows in the picture below the first period of charge Is done with 29kW and after one hours it was increase at maximum possible of 33kW for 30 minutes the converter works in overload After overload time the power was decrease at 31kW Time of charge is 4 5 hours Charge test at nominal power AU X LUE LOGE 3 DHE 5000 7000 gt 9000 LLC r w m V ar i i LEN owe 1 IH m CH 21000 33000 25000 r 27000 29000 31000 a v gt U lt lt 23000 i50 DC Voltage V DC Current A State of Charge 96 2000 AOC Egan 000 10000 12000 14000 16000 When the DC voltage is about 677V VMR Max Voltage Recharge for the final part of recharge the current is limited and there is the on off effect This effect should be solved with a new firmware version Tuesday 21 October 2014 172 SU die GRI EU Pree ee m INNOVATION FOR ENERGY NETWORKS DEMO6 dD6 6 Halfway assessment of the smart solar district ON OFF condition near end charge DC Voltage V DC Current A 1110 14010 15510 The picture hereafter shows the recharge test after firmware correction Close to the charge end the on off effect has been corrected Charge test at nominal power ELE a Parents KI
4. INNOVATION FOR ENERGY NETWORKS All the consumption data are encrypted at the meter level as ERDF has to ensure the privacy of the customer s data The permanent connection of the meter to the information system and its capacity to measure multiple variables regarding electricity will allow for A calculation of the bills based on real rather than estimated consumptions Next day interventions for simple tasks such as the modification of the contracted power instead of the current five days delay thanks to remote access A better knowledge and control of their electricity consumption by customers as they will be able to visualise it on their electronic devices computer smart phones tablets Easier diagnostics of the problems in case of a power outage thus a reduction of the Critere B average yearly outage time per customer These are some of the most advertised advantages of rolling out the LINKY meter but there are others Indeed it is important to highlight the fact that it is difficult to gather information regarding the real time state of the distribution grid today LINKY meters will provide ERDF with a constant stream of data that will prove useful when it comes to managing the grid In the case of the NICE GRID project one of the most valuable measures is the voltage The roll out of LINKY meters in Carros started in June 2012 and two years later there are now over 1800 meters installed The meters were installe
5. e s DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU 1 Bh 4 INNOVATION FOR ENERGY NETWORKS With Vcell Min Battery Group x 2070mV the SUNSYS PCS stops discharge even if the value of Battery SOC is not equal to zero in order to avoid alarm of minimum cell voltage 0 FA z Idc Sich from PCS to Battery Relational iv Operator Logical Operator samples of charge amp discharge sequence x A COMPLETE CHARGE PROFILE 0 100 120 SOC H Current A Group Voltage V lt time Tuesday 21 October 2014 169 e DEMO6 dD6 6 Halfway assessment of the smart solar district d GRI EU a Mea C at INNOVATION FOR ENERGY NETWORKS COMPLETE DISCHARGE PROFILE 100 0 500 95 Group Current A Group Voltage V lt gt time gt Conclusion The test has been succeeded All the details are described in the internal confidential document SOCOMEC PCS Saft Battery REV 01 pdf Tuesday 21 October 2014 170 DEMO6 dD6 6 Halfway assessment of the smart solar district GRrID4eu S EE FOR a ah ran Capabilities Date of the tests January 2014 The objective of this test is to verify the battery and converter Behaviour amp Capabilities during the phase of charge and discharge DISCHARGE TEST AT NOMINAL POWER During discharge the SMU sends data on t
6. 252 Figure 87 Table of changes in the management algorithm 252 Figure 88 Testing scheme with PLC plugs essere nennen 256 Figure 89 Outdoor battery at the Conceptgrid laboratory ss 262 Figure 90 Indoor battery at the MM E laboratory rennes 263 Tuesday 21 October 2014 8 IC a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU a Mas lat INNOVATION FOR ENERGY NETWORKS 1 Introduction and scope of the document 1 1 Scope of the Document This document aims at presenting the halfway assessment of demo 6 covering the measurement devices the storage assets the OLTC transformer and the recruitment process First results are presented power flow computations harmonics measurements battery efficiency Results of battery testing are also presented 1 2 Structure of the Document The document is organized in three main sections The first section covers the measurements and first results related to measurement devices Section 2 1 covers the assessment of harmonics injection relying on an advanced metering infrastructure installed on the grid by EDF R amp D Section 2 2presents the different measuring devices installed on site on the main findings related to them Power flow computation and principles on the low voltage grid are also presented The second section describes the laboratory tests and first installations of devices on the grid grid batteries residential bat
7. 3 4 2 Integration of the OLTC transformer to the project Integration to the intelligence of the project The OLTC transformer has two different operating modes in the project 1 Autonomous operation On its own the OLTC transformer uses sensors to measure the primary voltage and then select the correct tap to deliver the fore mentioned 400V 1 secondary voltage 2 Integration to the Network Energy Manager The OLTC transformer is able to receive commands from the projects Network Energy Manager NEM The NEM can thus feed the transformer a schedule of voltage set points The OLTC transformer will follow these set points and deliver a specific secondary voltage The link with the Network Energy Manager will be provided by a communicating box from ALSTOM that will use a BPL Broadband Power Line Carrier Tuesday 21 October 2014 216 e DEMO6 dD6 6 Halfway assessment of the smart solar district d GRI EU a Ma T lah ae INNOVATION FOR ENERGY NETWORKS Integration of the OLTC transformer to the grid To test the potential of this kind of transformer it is important to select a secondary substation where a Classic transformer could have trouble maintaining the voltage in the 10 range These substations are characterised by important variations of voltage on both the medium and low voltage networks Hence the typical candidate would be a secondary substation connected far from the primary substation with a lon
8. A ex n f i 06 11 2013 Somme de T harm V2 Moy H5 06 11 2013 Somme de T harm V3Moy H5 07 11 2013 Somme de T harm V1Moy H5 06 11 2013 Somme de T harm V1Moy H5 96 07 11 2013 Somme de T harm V2Moy H5 0 07 11 2013 Somme de T harm V3M oy H5 00 00 00 00 50 00 01 40 00 02 30 00 03 20 00 04 10 00 05 00 00 05 50 00 06 40 00 07 30 00 08 20 00 09 10 00 10 00 00 10 50 00 11 40 00 12 30 00 13 20 00 14 10 00 15 00 00 15 50 00 16 40 00 17 30 00 18 20 00 19 10 00 20 00 00 20 50 00 21 40 00 22 30 00 23 20 00 Figure 9 5 rank voltage harmonics November 2013 5 6 and 7 In Figure 10 we can notice that the commissioning of the 140 kWp producer did not result in significant changes in the consumption of the substation The production of November 7 seems higher than the one of November 5 and 6 in view of consumption values but remains below the production of a few days at the beginning and middle of the month Tuesday 21 October 2014 20 DEMO6 dD6 6 Halfway assessment of the smart solar district f GRI EU E T INNOVATION FOR ENERGY NETWORKS 250000 Consumption at the substation transformer 200000 150000 HA s FE 02 11 2013 saii 03 11 2013 04 11 2013 50000 05 11 2013 06 11 2013 0 07 11 2013 oo PSSSSESESESESESEESE2S 29 ac 259722929 08 11 2013 oo de
9. Use of PLC connectors Two PLC connectors were installed in the MM E laboratory The first with an Ethernet link with the gateway The second connected to an output of the laboratory router No change in the system s operation was detected In particular communication with the PFD reception of requests data and alarm reporting was not adversely affected Tuesday 21 October 2014 255 i rU DEMOS dD6 6 Halfway assessment of the smart solar district GRIDGEU Maas Pour lat a 1 1 i INNOVATION FOR ENERGY NETWORKS ERDF Meter PLC plug ADSL box J B Inverter PLC over Electric cable BATTERIES W MBUS radio 868 MHz SMANet over RS 485 RJ45 cable Figure 88 Testing scheme with PLC plugs Reliability between the MC11 and the gateway The first reliability tests revealed a problem of compatibility of the MC11 detection of the TIC signal with the Linky meters of the Landis Gyr brand In one of the laboratories the L G Linky meter was replaced with an ITRON meter Measurements performed with a spy supplied by EDELIA gave the following frame reception averages Average Maximum Standard deviation I is 00 36 00 00 04 16 ConceptGrid 00 05 39 00 41 59 00 04 10 The various analyses performed concluded that radio problems are caused by a combination of various factors e Radio environment the risk of radio collision is especially high when the number of sensors on the frequ
10. essent ennt nnne nnne nnn 78 EIBUTOSZ Battery continet Str UG CUTS assault EIER EAD nine 79 Figure 33 Single Line diagram of the battery container ss 79 Figure 34 Single Line Diagram of the PCS Container sr 81 Figure 35 Single line diagram of the storage transformer 82 Figure 36 Telecom architecture for the PSB storage asset 83 Figure 37 MV grid connection of the PSB storage asset eee 84 Figure 38 Grid connection of the auxiliary supply sse 85 Tuesday 21 October 2014 6 niil UNA DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS Figure 39 Circuit breaker and meter for the auxiliary feeder 85 Figure 40 Single Line Diagram for the PCS AUXILIAIRIES rs 86 Figure 41 Single Line Diagram for the battery container auxiliaries 87 Figure 42 Civil works for the PSB storage asset sr 91 Figure 43 Installation phase for the PSB storage asset 91 Figure 44 Fire Suppression System FSS eese reete 94 PISTE d e EXEOBIOL E O a aera E UEM eee ere eee 96 CuSO eee denon Enee APO tet nn ee ee en ei 96 Figure 47 Device for Exchanging Operational Information DETE 99 Figure 48 Localisation of the emergency stop push button ss 99 Figure 49 Regional Control CODO 3 man
11. HMI uses only 3 functionalities of Modbus Protocol 03 0x03 Read Holding Registers 06 0x06 Write Single Register 16 0x10 Write Multiple registers Modbus protocol has been monitored via RS485 The correct format of every command received from or sent to Gateway has been verified Example of MODBUS Protocol Monitor 64 03 12 20 00 07 09 4F gt HMI read Modbus Address 0x1220 64 03 OE 00 5D 00 00 00 00 00 00 00 00 00 15 00 10 17 4F 64 03 12 40 00 04 49 50 gt HMI read Modbus Address 0x1240 64 03 08 4E CO 69 C9 00 00 00 00 EA 83 64 03 12 60 00 08 48 9F gt HMI read Modbus Address 0x1260 64 03 10 00 12 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 90 Conclusion The test has been succeeded All the details are described in the internal confidential document M208 Battery Protocol Test doc Tuesday 21 October 2014 161 IPC a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU a Mas fui lat INNOVATION FOR ENERGY NETWORKS Verify congruence of data Date of the tests November 2013 The congruence of data is verified in two different steps 1 First it was checked whether the data received from Gateway in Modbus Protocol correspond with data monitored via the CANOpen Bus 2 Second all received data by HMI were verified via Assist Software with particular attention to values and measurements units The written data from HMI to MBMM and the received data from MBMM to HMI hav
12. Mea ou lat INNOVATION FOR ENERGY NETWORKS The identification and application of a multiple criterion analysis makes it possible to build specifications ensuring transparent selection of installers Based on a normative and certification approach this analysis makes it possible by quality indicators to select the minimum prerequisites that must be met by applicants for the project The indicators or selection criteria were defined so as to be transparent objective and non discriminatory for the installers The results of this action take the form of specifications which were validated by a selected panel of professionals in February 2013 in order to ensure a good match between objectives and certification The establishment implementation and method of dissemination of these specifications were explained at the public meeting that EDF Commerce M diterran e organized in February 2013 with the support of building scientific and technical research centre CSTB There was no technical requirement for PV modules quality But the French regulation gives some payback if the PV panels are incorporate to the building the CSTB had to make a verification of the conformity of the PV electricity production giving by the installer and regarding to PV modules installed 4 1 5 Identification of solar potential and site analysis The solar potential of the six districts identified within the framework of the project was determined in order to
13. lat INNOVATION FOR ENERGY NETWORKS 1 MVA transformer PCS CONTAINER Auxiliary hue Control PCS circuit et protection LV Metering Battery Container Figure 34 Single Line Diagram of the PCS Container b Ancillary circuit The PCS has three ancillary circuits A 400 Vac distribution mainly for rotating equipments pumps and fans A 230 Vac distribution for lightning and power socket distribution inside the container A230 Vac UPS secured for control distribution HMI c Ancillaries with the main power consumption The two main consuming ancillaries are The cooling unit It is installed inside the container in front of the LV power and control cubicle The interface connects the PCS and the cooling unit by two pipes The two pumps represents approximately 1 1 kW power consumption The shelter and heat exchanger An external heat exchanger is required to cool down the cooling water circuit of the PCS It is installed on the roof of the PCS container There are three fans representing 3x0 74 kW power consumption Transformer container The PCS is connected to the MV grid by three power wires through a MV cell including the 1 MVA power transformer Tuesday 21 October 2014 81 AU ie DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU 4 Maa te dat a INNOVATION FOR ENERGY NETWORKS The 20 kV cell is composed of
14. D So S NN M oo 000000000 See Se ee ae ee ci cm m e ng CN 69 e ev Figure 5 Sunday 2013 06 09 measurements Moreover these early morning overruns appear to be independent of the day of the week Indeed they have been observed on a Sunday as well as a Monday or even a Thursday 7 rank harmonic Figure 6 shows an overrun of the relative amplitude of the 7 rank voltage harmonic slight overrun of 596 However this overrun between 3pm and 4pm is of very low significance The reactive power presents a slight drop and at the same time H7 voltage harmonics levels drop as well around 4pm This could possibly be due to a harmonic resonance related to capacitor banks of reactive compensation This assumption remains to be confirmed Tuesday 21 October 2014 18 QUT fie DEMO6 dD6 6 Halfway assessment of the smart solar district f GRI EU NE n INNOVATION FOR ENERGY NETWORKS 6 D j D 5000 1 N 4 4 y LU 2 v 10000 Ez A N E IN 2v E 3 j m T harm ViMoy H7 z T harm V2Moy H7 E 15000 T harm 3MoyH7 P r active OWN oy 2 20000 1 rs 25000 2 2222222z2z2z22222z22222222222zzz2zzzzszzs oo m 0 0 0 60 0 0 06 0 0 0 60 0 60 06 60 0 6 60 0 606 0 0 6 0 6 0 6 0 6 6 E Ww 05 eO EOM Ou Tm Mu C M Ww Mw wmueWwIMwwmuwu tW O C MM NN D wm c LD CO MMM P P W DO m D DO 0 C C vc fX f tm o80c0dodo0o020 888 8358 88 Mte A m mA em m A o A mmn MN NN N Figure
15. NG MCU amp FCUs Socomec Modbus Specification V1 2 ITEMS UNDER TEST RESULT General verifications Switch On Off Operation Mode Enable On Alarm Reset simulated some different alarm conditions Standby Normal Mode Active Power Reactive Power Tuesday 21 October 2014 193 DEMO6 dD6 6 Halfway assessment of the smart solar district verified the correct functionality removing cable or blocking protocol free running counter is updated by master every 1 sec Test of all bits Test of all bits Test of all bits Verified in particular status of Bit12 Local Mode Enabled Cos PHI Time variables 0x1162 and 0x1163 All other variables in the table Test of all parameters System States System Warnings System Alarms System Unit Measurements System Unit Statistics System Settings Date amp Time Battery Specific Area nili hia Gripe a Mis out 4 am INNOVATION FOR ENERGY NETWORKS Conclusion The test was quite positive but there are some pending points that we will solve during the final tests of the full equipment W38 Tuesday 21 October 2014 194 JA a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU 4 Ma C ib Tan INNOVATION FOR ENERGY NETWORKS Next Steps In order to complete or to confirm the previous described tests a full week of tests is planned in W38 of 2014 with all the contributors SAFT ALSTOM SOCOMEC on t
16. P un A e G RIDE FEU EE INNOVATION FOR ENERGY NETWORKS DEMO6 dD6 6 Halfway assessment of smart solar district f This project has received funding from the European Union s Seventh Framework Programme for research technological development and demonstration under grant agreement n 268206 CO FUNDED BY x JE THE EUROPEAN UNION 3 NN d ib at er E A mM Ca IP TENA DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU a Mai te hb Tan INNOVATION FOR ENERGY NETWORKS ID amp Title dD6 6 Halfway assessment of the smart solar district V1 0 Number of pages Version e Short Description This deliverable aims at presenting the halfway assessment of the demonstrator installations on site experiment and first results Storage assets PV panels measurement devices and OLTC transformer are presented e Revision history Version Date Modifications nature Author ERDF EDF SOCOMEC p Oo es es Oo a a qi NN e Accessibility B Public O Consortium EC O Restricted to a specific Group EC If restricted please specify here the group O Confidential EC e Owner Main responsible Technical coordination Thomas DRIZARD of DEMO 6 ERDF e Author s Contributor s Company name s oO Z B o 5 D d UJ O O O m ERDF EDF SOCOMEC e Reviewer s Company name s j i i st CEZ Distribuce
17. Tuesday 21 October 2014 147 AI PUMA DEMO6 dD6 6 Halfway assessment of the smart solar district criptey Maa ful lat z INNOVATION FOR ENERGY NETWORKS Reset statistics System Configuration if start the procedure isn t possible go out without complete the procedure Main Menu set Preferences Language Data and Time Buzzer Display Password Main Menu set system configuration Main Menu set PCS settings Country Network code Connection parameters only frequency threshold is possible modify AC interface protection Active Power Reactive power Main Menu set Battery Setting Battery type Battery parameters charge threshold Maintenance parameters not displayed SOH calculation not displayed Main Menu set Option Device Verify if the optional displayed are necessary Main Menu set Connectivity Peripherals Services Main Menu Service firmware version System Main Menu Service SN Main Menu Communication Code Main Menu Upgrade FW Upgrade HMI firmware Upgrade languages Conclusion Most of the tests have been passed However some of them have to be replayed during the final tests with the last firmware version Tuesday 21 October 2014 148 a ie DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU alls Dont dab am r la INNOVATION FOR ENERGY NETWORKS Abnormal functioning tests Date of the tests October 2013 The objective of these tests is to demonstrate either on the
18. closed e The starting sequence of the battery can then be carried out ON OFF button on the BMM This allows pre charging the inverter while limiting the inrush current due to the capacitors Once the system is running the disconnect switch can be maneuvered in a short period of time the capacitors remain loaded but if this protection is open for too long 30 s the starting sequence must be carried out once again This procedure to be followed is described in the safety instructions installed close to the system but anyway if the battery is off for some reason installer will have to come to check and restart the system Over circuit and short circuit behavior On the AC side the system is protected by the network connection infinite short circuit power and over current protections The inverter short circuit power is 12 KW which is suitable with the chosen protections On the DC side the system is protected downstream by the battery fuse and upstream by a C32 circuit breaker Differential protections The differential protections used are those recommended by the inverter manufacturer SMA Tests showed the proper functioning of these protections resistive grounding leakage 30 mA Grounding connection diagram On the AC side of the inverter the grounded connection is Voltage Transformer On the DC side no battery pole is grounded floating DC voltage Transient on the DC bus Tests for operating the DC dis
19. ik an INNOVATION FOR ENERGY NETWORKS The alarm list Fka Alarms Al 20 20Latest z Vie ARMS WebFGVie MN oO File Generic e terracontrol Applications Help id Q9 Q oln ne seomxe Tim Gv ALSTOM AH aHARARER Ese em eS Capacit totale 0 98 2kW Energie stock e Capacit restante MCU CARROS EMIGRA SOITE 7 aD mme Seal Mme e RA Courant Tension kV 0 0 24 0 Fr quence Hz 0 55 Puissance Active kw 1100 0 1100 0 Puissance R active kVAR 1100 0 1100 0 Con signes Mode STOP m Batterie AUTO MAI URGENT 0 00 kw 300 0 00 kw Convention de signe 4 D D charge de la batterie A NiceGrid 192 168 110 51 12 08 14 16 25 18 d NiceGrid 192 168 110 51 12 08 14 16 25 18 4 F F Lj _MCU hem WebFG View b Measuremen b 2070 NEED os 12 08 14 Figure 52 Main screen of the storage HMI Battery box The following information associated with the battery state is displayed in the battery box Total capacity 560 kWh Stored energy in kWh Remaining capacity in kWh Charging discharging power in kW Positive values are associated with discharge Battery State of charge SOC in 96 with a visual display Battery status Nominal Standby Stopped Number of closed contactors Tuesday 21 October 2014 103 DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU Pa ee fut a INNOVATION FOR ENERGY
20. 200 4 y Phase 3 190 Time 13 06 2014 00 00 13 06 2014 06 00 13 06 2014 12 00 13 06 2014 18 00 14 06 2014 00 00 Figure 20 Voltage measurement for a three phase meter To improve readability the holes are replaced by a 230V voltage in the next figure It is however important to keep in mind that this does not reflect the true evolution of voltage This is why this approximation has never been used subsequently Voltage V 250 240 Voltage Phase 1 230 Voltage 220 Phase 2 210 Voltage 200 d Phase 3 190 Time 13 06 2014 00 00 13 06 2014 06 00 13 06 2014 12 00 13 06 2014 18 00 14 06 2014 00 00 Recording only the values out of the 10 range to save on the data storage costs makes sense when rolling out the meters across the whole country as these are the only important values from a regulation perspective However in a project such as NICE GRID that aims to assess the impact of PV production and mitigation measures on the voltage more information is required Indeed the 10 threshold prevents us from seeing most of the variations during the day and makes any accurate analysis impossible All we can conclude is that increases or decreases in voltage ona phase tend to be balanced by the other phases this can lead to surprising situations such as high voltage in the evening when consumption is at a maximum and PV production at a minimum Tuesday 21 October 2014 29 i iin DEMOS6 dD6 6 Halfway assessment
21. 21 October 2014 74 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID4Eu Me eres FOR wae ah ran There will be two storage assets connected to the low voltage grid at around 400 m of the secondary substation in order to maximize the effect of the storage asset on the feeder voltage curve These storage assets are integrated in a 10 feet container the PCS and the battery modules are in the same container These containers are located on a client field and a site owned by the municipality They will be installed during autumn 2014 These storage assets have a power of 33 kW and an energy capacity of 106 kWh Use cases associated with storage assets PV integration For grid storage this use case consists in storing PV energy mostly between 12 00 and 16 00 when the PV generation is high This reduces grid constraints current and voltage This use case is relevant for SSB and LVGB storage assets For the first one SSB the PV excess energy at secondary substation level will be stored The secondary substation often has an excess of PV energy a threshold will be chosen For example if the chosen threshold for backfeed energy is 100 kW the storage asset will start to charge as shown in the next figure Resulting load curve at Dock trachel secondary substation kW 100 0 O O QL O co O D QO O CO LO CO CO LO 9 PPP PH PHS PS PP A SS RSR RC WO S9 Beyond 100 kW 100 the storage asset
22. One modsi power correction tergerature 29 C or 115 C ter se 1a HA COM vatage 19V ac XZV tor D Se mVY DUO 5 Customer Ramet Ast SVU duppi voltage Sv ty D En HU LONO Custerves Neset Auto BUU us3ly vatage Sv or ne 1 59 HW LONE Customer Reset Auto Resut of contacter test Exsectes contact closed MA COWDFF Custom Resut of comacur test Expected contacter apeeed CAUOFF Gots re Magsered tatery curent UAX J x UR oc 3504 tor 26 WA COWDEFT Anaskte vue of rmmssarec tettery current VAXIT2 x MD or 2494 tor e SOC cwculntar nvi epciated for 28 m ONO Comtorner Resat Avio ZU cacantat nai epcated fer se 728 HW ONDET i Castzmar Reset Autz BUU suzgly vsttage 18v Ye ne 0 5a Avenel Crecut breauw Setectet ooesec far Se HW ONCE Custoree Reset Coctavous charge curent Ine gt ot evel Bagery Comments 1 1 x NS CT Cortnacus charge ourreet 134 Age 203 evel Batiery curveet 12 x MR C Cet msg esatanco sonar te evel Cel mem nytance vargiot n The SOC ndustrar has not beat regeested far ee T more rt OWO An SVU bosi has nct responded to fte DU fer see zy cie Hy OO PP C An SVU board has not esconjed to Sie BUM fer se 3 cycus wy DNO Modul gamer cenonecson tereerature 32 C tor ne 1 ENV LOIPOFF Casto Modele 2t etr cotes tergerature MIC v ne 18 v CON DFF1 Casto Banery current sensor cut af range Cest TEO HW OWOEFF Customer Res At east one auttte
23. Safety procedure for the PSB Tuesday 21 October 2014 117 He JR a DEMO6 dD6 6 Halfway assessment of the smart solar district d GRI E al i dab 1 e 4 INNOVATION FOR ENERGY NETWORKS IF THE FIRE ALARMS SOUNDS The triggering of the alarm appears under this form on the black Human Machine Interface HMI A A au Ces 3 3 2 2Zz z CM ajje12345678 v 7 4 CEE amp 02 juin 2014 15 04 46 System Ping ADSL ACR ALIVE amp 02 juin 2014 15 04 38 Svstem Pina ADSL ACR DEAD A 02 juin 2014 11 49 46 ALARME INCENDIE ALIVE amp 02 juin 2014 11 49 38 System Ping ADSL ACR DEAD 02 juin 2014 10 43 43 System Ping ADSL ACR ALIVE Open the feeder SAFT in the primary substation 2 Call firemen SDIS 06 au 04 93 22 75 90 for intervention at the battery of the primary substation BROC CARROS remind that the battery must not be sprayed with water only carbon dioxide CO2 3 Callthe ERDF agency AMEPS a Pushthe emergency stop button b Openthe circuit breaker for auxiliaries Tuesday 21 October 2014 118 DEMO6 dD6 6 Halfway assessment of the smart solar district GRrID4eu a FOR wae LEE A WHAT TO DO IN CASE OF ALARM An alarm appears under this form on the black Human Machine Interface HMI All All Cailletiers v ae 11213 415 6 7 8 x Ala S O Tw al eme amp 22 mai 2014 11 35 26 Carros Batterie SAFT Standby OU
24. TW d DEMOS dD6 6 Halfway assessment of the smart solar district GRIDGEU Mns ful lat td n INNOVATION FOR ENERGY NETWORKS Voltage over the different phases at the end of the network S Cailletiers substation 23 06 2014 Lad ID SA UA M Time 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Phase 1 Phase 2 Phase 3 Load of the different phases LINKY Power Cailletiers substation 23 06 2014 W n n mAh 5000 e af 4 LW QS LA Time 0 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Phase 1 Phase 2 Phase 3 The penetration of LINKY meters on this feeder is slightly better than for the Colombie feeder so the comparison of the load with the voltage variations should prove easier It is quite clear from the graph that once more the three phases are not really balanced with phase 2 being the most loaded and phase 3 the least This translates quite well to the voltage variations where the voltage variations replicate almost all the load variations with the lowest voltage present on the most loaded curve Even the peak of phase 1 s load around 17 00 has a clear impact on the voltage It is only during the middle of the night that phase 1 s voltage drops under phase 2 s while its load remains inferior The presence of PV can be noticed by comparing phase 1 and phase 2 loads during the afternoon and during the evening Indeed the two curves b
25. absorbs excess PV energy Figure 29 Resulting load curve at Dock Trachel secondary substation For the second ones LVGB storage will be installed where the constraints are more likely to be present 400 m away from the corresponding secondary substation The storage assets will charge energy between 12 00 and 16 00 on sunny days in order to avoid overvoltage occurrences In both cases the charge schedule is planned by the Network Battery Aggregator NBA and implemented after activation orders from the Network Energy Manager NEM The NBA is developed by ARMINES and will be operated by ERDF It is in charge of aggregating the grid batteries in order to respond to the power need request of the NEM Tuesday 21 October 2014 75 I m ilia DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lal INNOVATION FOR ENERGY NETWORKS This PV integration experimentation will take place during summer and these three storage assets will be used as levers to remove grid constraints due to PV and thus contribute to PV integration within the distribution grid Load shedding This use case is involving the four grid storage assets thus representing around 1300 kW of aggregated power for discharge During cold days in winter the French TSO RTE is able to send request for load shedding It usually occurs between 18 00 and 20 00 Grid storage batteries are used as demand response levers in combinatio
26. dD6 6 Halfway assessment of the smart solar district GRI acier mnt INNOVATION FOR ENERGY NETWORKS Tuesday 21 October 2014 114 DEMO6 dD6 6 Halfway assessment of the smart solar district ee INNOVATION FOR ENERGY NETWORKS dices 3 1 11 Appen Appendix 1 Primary substation map HE Hale moe Cloture G i 7 Lo Materlels t A ie e 0M iu N PROJET quipement Extralt du plan d ensemble d 115 Tuesday 21 October 2014 GT DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU a Mas fu lat at a INNOVATION FOR ENERGY NETWORKS Appendix 2 Technical date of the PSB storage asset Main electrical characteristics Nominal voltage Maximum voltage 18 Nominal capacity C 3 20 C Minimum capacity C 3 20 C Maximum continuous charge current 25 C Orc 20 C Maximum continuous discharge current Mechanical characteristics Container height ISO 668 2896 max mm O Container width ISO 668 2438 max mm th ISO 6i 6058 max mm 15 000 kg IP 34 IP54 Oto 55 20 to 55 CEI 6204 Overvoltage Category Il Insulation resistor 1000 VDC gt 100 MOhm Dielectric 3000 Vrms Leakage curent gt 3 5 mA 3 1 amp 4 Class S4 Tuesday 21 October 2014 116 es rU DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU ae SET T INNOVATION FOR ENERGY NETWORKS Appendix 3
27. dD6 6 Halfway assessment of the smart solar district GRID feu INNOVATION FOR sae Lars Difference between the voltage at the end meter and at the substation meter Phase 2 i g Comparison of the LINKY and PowerFactory data Colombie substation T T T T T T T T T T T T T T 23 06 201400 00 23 06 201408 00 23 06 201416 00 26 06 201400 00 26 06 201408 00 26 06 201416 00 28 06 201400 00 28 06 201408 00 28 06 201416 00 Time LINKY data PowerFactory data Difference between the voltage at the end meter and at the substation meter Phase 3 a Comparison of the LINKY and PowerFactory data Colombie substation un L 35 o 1 E un 20 25 hy W j Wu 30 4 35 T T T T T T T T T T T T T T T 23 06 2014 00 00 23 06 2014 08 00 23 06 2014 16 00 26 06 2014 00 00 26 06 2014 08 00 26 06 2014 16 00 28 06 2014 00 00 28 06 2014 08 00 28 06 2014 16 00 Time LINKY data PowerFactory data The results of phase 1 are not very satisfactory but it must be noted that there are very few customers with LINKY meters connected to this phase Most of the load connected to phase 1 is thus obtained either by inputting profiled curves and by assuming that the load of the 3 phase customers is evenly distributed on the three phases which is not always true Moreover as the Tuesday 21 October 2014 64 JA a DEMOS6
28. dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas ful lat ui INNOVATION FOR ENERGY NETWORKS Impact of engaged customers In this section we will take the study case that challenges the grid the most production multiplied by six and change the load of some consumers in order to replicate the presence of engaged customers using the impact of engaged customers estimated in Appendix Il This will allow us to evaluate the number of engaged customers necessary to alleviate the constraints created by a very high penetration of PV production As all of the known production was connected to phase 2 we will only modify the load of consumers connected to this phase There are eight one phase customers equipped with a LINKY meter and connected to phase 2 of the feeder 06033001593 of the Colombie substation five of these customers have an electric water heater and could in theory be incentivised to shift their load to the afternoon We ran the model in three different situations no customers engaged three customers engaged and five customers engaged Voltage Impact of the engaged customers on the voltage variations of Phase 1 between the V end meter and the substation meter 5 15 25 Y 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 No customer 3 customers 5 customers engaged engaged engaged Time Tuesday 21 October 2014 70 oe DEMO6 dD6 6 Halfway assessment of the smart solar d
29. 1 Halfway assessment of the grid storage assets The NICE GRID project includes grid storage assets as levers to integrate massive PV generation to operate load shedding and to test islanding on a commercial district There are four grid storage assets operated by the French Distribution System Operator DSO ERDF and installed at different location of the distribution grid primary substation secondary substation low voltage grid According to its location each storage asset is able to perform one two or three of the different NICE GRID use cases Over the past year the storage asset located at the primary substation of Carros has been installed This 1 MW 560 kWh Li ion based asset is composed of a battery container a converter container and a transformer and is supplied through a MV feeder for the main power circuit and a LV feeder for the auxiliary circuit Furthermore it communicates remotely with ERDF s Regional Control Center in charge of monitoring the storage asset Installing such a storage asset required a lot of preparation site selection administrative procedures civil works and tests It required also a deep risk analysis in order to assess and implement safety measures The storage asset created new constraints for ERDF grid management which is divided between control remote management and operation on site management In order to use the storage asset efficiently and safely ERDF had to train controllers
30. 1 KW it can then provide 960 W c The consumption losses of the system in waiting mode no load no charge discharge command The inverter consumption in waiting mode no output power with the remote control on is around 40 W The battery BMM consumption is 7 W manufacturer data In the outdoor version a small HVAC Heating Ventilation and Air Conditioning is added to the battery resulting in a yet undetermined added consumption The total battery consumption is estimated around 10 W but need to be measured Therefore the total consumption of the energy storage system without any load is estimated around 50 W Incidents recorded during the tests As of the date of this report no incident has been recorded during the tests 3 3 3 Conclusion The results of the testing show a correct integration of the battery and the inverter The operating constraints of the battery are fully taken into consideration and the system is controllable These results also give some important technical characteristics relevant to the design of the control system response time measurement precision performances Tuesday 21 October 2014 210 Fi ie DEMO6 dD6 6 Halfway assessment of the smart solar district j GRI EU 4 Mala Pi lat a INNOVATION FOR ENERGY NETWORKS 3 3 4 External documents Outdoor Intensium Home R f 774917 774956 774957 Figure 68 13 2400 mu outdoor intensium home v2 fr pdf p
31. 2494 SB th 8 4F 1C 2104 00 00 0i 48 2493 Conclusion The test has been succeeded All the details are described in the internal confidential document M208 Battery Protocol Test doc Tuesday 21 October 2014 158 o amp nipZlci DEMOS6 dD6 6 Halfway assessment of the smart solar district j GRI EU alza twi Uf am INNOVATION FOR ENERGY NETWORKS Gateway Configuration The gateway manufacturer provides software to set up its gateway Firmware Compositor The most important points include the communication settings and the mapping between MODBUS and CANOpen TPDO RPDO and TSDO RSDO Communication Settings MODBUS side Modbus RTU RS485 Serial Interface Baud rate 38400 8N1 Dev ID 100 CANOpen side Dev ID 100 Baud rate 250kbs Mapping Transmit PDOs HMI gt MBMM Transmut POO CO6 ID Mapping Receive PDOs HMI MBMM Tuesday 21 October 2014 159 DEMO6 dD6 6 Halfway assessment of the smart solar district INNOVATION FOR ENERGY NETWORKS Mapping SDOs HMI MBMM ModBus Cand Adde Word Hi Word Lo Word aw Index Subln ex nByte mnemanico Ox1280 0x2114 Number amp MM in parallel ox 0x2116 Number BMM d sconnected 0x2116 Number 5MM requering disconnection 0x211D SOH 0x211E Voall man battery group Ox211F 0x2120 0x2121 0x2122 0x211C Ox211C 0x211C 0x211C 0x2002 0x2002 0x2002 0x2002 0x2002 0x2002 0x2103 0x2123 0x2123 0x2123 0x2123 0x2125 0x
32. 3 em Om ow 7 sor perto 123227 to Los 73 aman 2 Tuesday 21 October 2014 189 GU ee DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU Any current overshoot during cut off of one battery cabinet Tek FUR in oat 1 Acus P 47 Le x an F es prt a te end ch 10 052 EMEN wy 2 006 Chi 20 0 x pel 4014 17743 21 With two batteries cabinets the charge current is 45A after cut off of one battery cabinet the current is reduced to 38A Q Disconnection during battery discharging As showed below there are two batteries cabinet connected in parallel in discharging condition the IMD setting is 400A f j bj HHHHHEHHHHHHHHHHHHBHH HE E A AH 1 LUI IELH Gees IHFHEEEEEEEHEEEEEEHEHEEEEEEE E A I Hz IL t y t 1 Now one battery cabinet is cut off and the new IMD setting is 300A Tuesday 21 October 2014 190 DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU Pa ee bal a INNOVATION FOR ENERGY NETWORKS Fe Et Vetia Hews Tho Dep Curzyxs Meme Man LUtees Hep Position Scale No current overshoot can be observed during the cutting off of one battery cabinet Conclusion The test has been succeeded All the details are described in the internal confidential document M208 ABNORMAL TEST doc Converter disconnection in case of opening request coming from MBMM Date of
33. 6 Sunday 2013 04 14 measurements 2 1 4 Influence of 140 kWp PV generator connection A 140 kWp PV producer was connected to the Dock Trachel substation at 2013 11 07 The objective of this subchapter is to observe the 5 and 7 rank voltage harmonics between October and November to analyze if this connection has had an impact on these harmonics 5 rank harmonic j j 140 kWp connection i I l l l I l l l l I OV1 13 07 013 101013 131013 08 1013 221013 251013 291013 O31U13 081113 Owiv13 12108 151113 19 1913 211U03 241113 FAVI wie Figure 7 H5 voltage harmonic resolution 10 min October and November Tuesday 21 October 2014 19 ud DEMOS6 dD6 6 Halfway assessment of the smart solar district GRI A EU e 1 di meme FOR ENERGY NETWORKS Average value October November Nicegrid V1 Moy H5 ee 72 Curve Nicegrid V2 Moy H5 2 92 2 78 ll Nicegrid V3 Moy H5 2 48 12 37 Figure 8 H5 voltage harmonic average values October and November We can see that the average values of H5 voltage harmonics for November are lower than the ones for October We can just notice a slight increase of these values on November 6 7 and 8 but then to drop back to same values than October 2013 11 07 H5 voltage harmonics 0 06 r 05 11 2013 Somme de T harm V1Moy H5 5 11 2013 Somme de T harm V2M oy H5 05 11 2012 Somme de T harm V3Moy H5
34. 600 kg Environmental conditions Tuesday 21 October 2014 135 DEMO6 dD6 6 Halfway assessment of the smart solar district p A _ olin fl j E LL aa 4 4 E MEM w n i t INNOVATION FOR ENERGY NETWORKS G SYNERION Module 24E Operating temperature range C Dissipation W Requested cooling M h Without condensation 76 M BMM Module Operating temperature range C Dissipation W Requested cooling M h Without condensation 76 M ESSU panel 24 Modules SYNERION 24E 1 BMM Operating temperature range C Dissipation W Requested cooling M h Without condensation 76 Tuesday 21 October 2014 10 3 40 Optimum at 30 C 10 Natural convection lt 60 Optimum at 50 2 000 20 gt 60 Natural convection 95 3 000 10 3 40 Optimum at 30 C lt 300W Natural convection lt 60 Optimum at 50 136 JJ ia o DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU 4 Maa D lait a INNOVATION FOR ENERGY NETWORKS 2 000 M 3 2 3 Tests description amp results SUNSYS PCS 33TR Tools In order to perform the tests described in the following paragraphs SOCOMEC has built equipment composed of the following main components A grid connection ADC source simulator An AC source simulator ASUNSYS PCS 33TR Wattm
35. 7 validated by Technical Committee on October 21 e Approver s Company name s CEZ Distribuce ENEL Distribuzione ERDF Approved by Steering Committee on October 21 2014 IBERDROLA Distribucion RWE VATTENFALL Eldistribution 2 DEMO6 4 Tuesday 21 October 2014 niil UNA DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS Table of content EM dcl a eee eee eee eee 6 1 INTRODUCTION AND SCOPE OF THE DOCUMENT 9 1 1 Scope of the Document RL 9 1 2 SNC TS DOCUMEN seasea 9 UC PHONO QUIE UU TU UU MTS 10 2 ASSESSMENT OF HARMONICS INJECTION AND DECENTRALISED VOLTAGE CONTROL FUNCTIONS sicui spnsiiin sa nang ncndusa cana gasasesacunssncueess 13 2 1 Halfway assessment of harmonics injections 13 2 1 1 Harmonics injection in a substation with a lot of connected PV 9 016 6 OT D E E 13 2 1 2 Observation on the harmonic voltages cccccccsseeeseeeeseeeeseeeeeees 14 DS ANYS LI a ae ad de 15 2 1 4 Influence of 140 kWp PV generator connection 19 2 1 5 Results 23 2 2 Measuring devices installed and decentralized PV 24 2 2 OO T 24 2 2 2 Potential impact of customer engagement on the voltage 25 2 2 3 Usage of the LINKY smart meter 27 2 2 4 Usage of the PME PMI meters n nnnennoennennnnsnsnnnernnnrnsrsrn
36. Customer Reset amp uto reset Battery can be discharge 20 An SMU board has not responded to the BMM for one cycle HA ON OFF Customer Reset Auto reset Major alarm Request for the opening of the battery contactor ES Saft Battery States Alarms OX yz ESI EXT State Alarms MBMM Input MBMM Fault BMM 1 Fault BMM 2 Fault Alarms Word Warnings Word Value Description Acro Value Description 20 Battery group current gt IMD 204 during 2 seconds IMD_ 20 On Off 2D Battery group current gt IMR 104 during 2 seconds IMR_ 20 Operation Mode Active 20 Customer watchdog toggle bit inactive during 3 seconds COM 20 Operation Mode End 20 Communication problem with at least one BMM for more than 3 seconds COM Qo Battery Ready 2D Tmax cell Tmin cell among BMMs connected 10 during 2 seconds HIGH 20 Inverter Ready 2n Number of BMM connected lt 0 and MBMM mode NOMINAL UND 20 Sleep Off On to restart 2D Difference of current between ESSUs 204 during 600 seconds CUR Qo Alarm alarm reset is needed 20 Difference of voltage between ESSUs gt 2 during 2 seconds VOL Qo Standby 20 Bad MBMM software CRC detected SOF 20 Charging 20 Bad MBMM parameters CRC detected PAR 20 Discharging 20 Bad MBMM blackbox CRC detected during PBIT tests BLA Qo General Alarm 20 Bad MBMM RAM memory detected BAD 3E 4 General Warning 20 Input data out of range detected SCU BMMs or parameters DA
37. E E E EN E E HE Conclusion The test has been succeeded Maximum gap All the details are described in the internal confidential document Circular_Capability xlsx Tuesday 21 October 2014 139 ae a DEMOS dD6 6 Halfway assessment of the smart solar district GRID Eu a Ma T E a INNOVATION FOR ENERGY NETWORKS Overload characteristics Date of the tests November 2013 amp January 2014 The objective of this test is to prove that the SUNSYS PSC 33TR is able to withstand an overload situation about 110 during 30 minutes either charging or discharging sequence with the respect of the Battery voltage range Type Quantity of V min V max V min V max modules Module Module String String SYNERION 24E PCS CAPABILITY AND OVERLOAD Vgrid nominal poa eat n iom TTD om m gt w yw 00 ae 309 330 Lai ote we rm om se Li 350 tx win hase Vv Time min I Hu bee 105 EE qu poo 10 H qum 113 Soutmax The converter is able to deliver the following maximum power e 110 of nominal power for 30 minutes e 105 of nominal power for 1 hour Tuesday 21 October 2014 140 P nl DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID Jey A rea FOR ml iran A new overload is possible after a time that it is regulated from the following function PA F rg Time min The time needed to allow an
38. ES DC Currant A hee IRI i GC volue iv 3 amp t 2 i a Battery efficiency The efficiency is measured after a test of charge 0 gt 100kWh and discharge 100kWh OkWh at nominal power The discharge DC energy measured was 99245Wh after 3 hours The charge DC energy measured was 103834Wh after 4 hours Tuesday 21 October 2014 173 DEMO6 dD6 6 Halfway assessment of the smart solar district 100000 0 20000 0 0 0 0 00 30 00 100 00 Energy Wh 20000 0 150000 0 The battery efficiency is 95 58 Battery efficiency 150 00 200 00 450 00 300 00 350 00 Converter current limitation according to MBMM limit Grip4ey a FOR eat iran energy ange DC 400 00 450 00 energy tal Energy To do the test it was necessary to disable the Battery Vcell max control and Battery Group Voltage by firmware The test is done during the recharge condition with 7596 Pn The IMR default is 60A but with only one module setting at 75 Pn the max current is 35A Current Limit Control i gt e mm e E 40 E en in in e Battery Voltage un 5 OC Current A MA continuo us LA hey Group Voltage V HINEFINBEINEFIEISEFSEFSRISHISRHIRREINFIBEISEFIEFPAERIIRITRREIRRIHSFIBEPIFIIEPIEFIEFIRIARRINEIHEEIBEPIFISEFIELI in Ci ed Pm um m Pd TOW M cd m oi R S Tuesday 21 October 2014 C i Fj u Fe UD ms an e
39. Finally the customer s decision is subject to two constraints the timetables of the installers selected for the visit for physical confirmation of their quote and the season since it is not always possible to know the electricity buyback price because this price revised each quarter is announced only once the quarter is well underway Accordingly everything combined the time elapsing between identification of a potential customer and their signature of the agreement can be as much as around three months Tuesday 21 October 2014 230 he DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS So we couldn t reach the objective for all the solar districts 30 of the district electricity consumption is bringing by the PV electricity production but we reach it for 3 of them Two districts will benefit of a production of 24kWc for one hostel and an additional 140kWc for the other one enterprise The last district is expected to benefit 18kWc 6 housings Tuesday 21 October 2014 231 A d DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID u Maa te dat Tof hei ill 3 INNOVATION FOR ENERGY NETWORKS 4 1 12 Main documents used in the process Communication document AM A CONSUM ACTOR IN THE SMART SOLAR DISTRICT Guide of the CONSUM ACTOR explaining instructively the potential benefits of demand management NICE GRID c est
40. INNOVATION FOR ENERGY NETWORKS GRID4Eu Warning the 3 min interval is not complied with OK OK OK OK OK OK 261 UP Sa i DEMO6 dD6 6 Halfway assessment of the smart solar district d GRID4 E 4 Maa T c sila a INNOVATION FOR ENERGY NETWORKS 4 5 2 Appendix 2 Pictures of the 2 installations Figure 89 Outdoor battery at the Conceptgrid laboratory Tuesday 21 October 2014 262 nt te B DEMOS dD6 6 Halfway assessment of the smart solar district GRi EU et hes INNOVATION FOR ENERGY NETWORKS Figure 90 Indoor battery at the MM E laboratory 4 6 References 1 PE E13 14 05 Test programme Tests for validation of the local smart system managing the residential battery NiceGrid project 2014 2 LV4 12 1 Specification of the architecture and components residential customers 3 NiceGrid Edela gateway algorithm specifications v2 9 amp v3 0 4 SDU MTH BD 13 0650 INDUSTRIAL BATTERY UNIT SAFT Li ion unit Intensium Home 4kWh battery system 5 SDU MTH BD 13 2400 INDUSTRIAL BATTERY UNIT SAFT Li ion unit Outdoor Intensium Home 4kWh battery system 6 SI80H 60H IA fr 20W Installation instructions SUNNY ISLAND 6 0H 8 0H 7 SI60H 80H BE fr 20W Operating instructions SUNNY ISLAND 6 0H 8 0H SUNNY REMOTE CONTROL Tuesday 21 October 2014 263
41. LINKY meter The furthest meter on the feeder is 650 m from the substation The figure below highlights the lines belonging to the feeder and indicates the location of the substation middle and end of the network meters Tuesday 21 October 2014 44 d a DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU 4 Maa Pot 2 an INNOVATION FOR ENERGY NETWORKS Ner T N a Substation xe Y The data we have at our disposal allows us to plot the evolution of the voltage over time It gives us the figures below Voltage variations over time Phase 1 Voltage Colombie substation V 250 245 240 235 230 4 225 4 220 4 215 4 210 4 205 4 200 f T T T T T 1 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 Time Meter at the Meter in the middle Meter at the end of substation of the network the outlet Tuesday 21 October 2014 45 DEMO6 dD6 6 Halfway assessment of the smart solar district j GRI EU ar ee df am INNOVATION FOR ENERGY NETWORKS Voltage variations over time Phase 2 Voltage Colombie substation V 250 a 245 4 240 4 M AA A v LN A 235 y u ANR V ZA Am AY N A NA san Z V RP zA E V TX 225 A N JW 220 215 210 4 205 200 4 T T T T T T 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 Time Meter at th
42. NETWORKS Unit Valeur Capacit totale kWh 0 560 Energie stock e kwh 0 420 Capacit restante kWh 0 140 m 0 98 2kW Figure 53 Battery box within the storage asset HMI PCS box The following information associated with the PCS state is displayed in the PCS box State of the PCS fault standby stopped Monitoring mode local remote Alarms and alarms acknowledgment Measured outputs Current A Voltage kV Frequency Hz Active power kW Reactive power kW O O O MESURES SORTIE ONDULEUR un Limites Valeur Basse Haute Courant 0 40 0 037 Tension kV 0 0 24 0 20 469 Fr quence Hz 0 20 49 975 Puissance Active kW 1100 0 0 982 Puissance R active kVAR 1100 0 0 304 Figure 54 PCS box of the storage asset HMI Instruction box Tuesday 21 October 2014 104 DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU Ha fut a INNOVATION FOR ENERGY NETWORKS The instruction box allows for sending battery schedules It is represented in the figure below Figure 55 Instruction box of the storage asset HMI Output power box Figure 56 Output power box of the storage asset HMI The output power box provides the load curve of the storage asset as shown in the figure above Event box Tuesday 21 October 2014 105 I Clin DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas ful lat a INNOVATION FOR ENERG
43. Object CANOpen UPS Uninterruptible Power Supply VMD Maximum Charge Voltage Tuesday 21 October 2014 123 DEMO6 dD6 6 Halfway assessment of the smart solar district 4 GRII TEU 4 Mas INNOVATION FOR ENERGY NETWORKS 3 2 1 Technical reminders Objective of the full system The S3kW containers will be localized on 2 different points of the LV grid in order to support it in the stability of electrical values mainly the voltage in our study case This type of system will ensure the management shaving shifting of the local productions amp consumptions peaks by receiving from central system set points for active power amp reactive power To be confirmed The target of the project is to make the demonstration that this kind of solution allows the massive integration of PV plants without impact on the grid and to reduce the reverse currents flows on it General communication architecture Outside of the container Inside of the container Simplified single line Diagram AA e s La Sa L Tuesday 21 October 2014 124 AiR GiT DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Pr eae en INNOVATION FOR ENERGY NETWORKS 3 2 2 Equipment description SUNSYS PCS 33TR TR with insulation transfomer Introduction The SUNSYS PCS Family is a bidirectional converter system acting as a current generator The SUNSYS PCS is a m
44. October 2014 43 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal INNOVATION FOR ENERGY NETWORKS 2 2 8 Appendices Appendix Analysis of the LINKY voltage data Scope ofthe analysis Due to the volume of data recorded since the beginning of the project some choices were made regarding the focus of our analysis We studied the data of three summer days in three different solar districts Cailletiers Colombie and Lou Souleou These districts were chosen for several reasons They are residential districts that appear likely to be constrained by the penetration of PV production in the future long LV networks low demand in the afternoon many roofs available The penetration of LINKY meters was relatively high to provide us with accurate information on the load of each phase 3 phased meters were available to retrieve voltage data on all three phases at once As described in section 2 we selected three meters in each district near the substation in the middle of a feeder and at the end of the feeder to assess the evolution of the voltage over the network during the day Evolution of the voltage Colombie substation Feeder 06033001593 This feeder connects 40 customers to the grid Thirty two of these customers are equipped with a LINKY meter and four are producers Three producers are connected on phase 2 while the phase of the fourth one is unknown as it is not fitted with a
45. analysis revealed that only one section of the ICPE is applicable it is the section 2925 Workshops of batteries Upon reaching an electrical power of 50kW a declaration D must be done The following table gives an overview of the inventory done for the storage asset Item Application to the storage asset Nature and the maximum quantities of substances No products are stored They will be brought on site products or materials that will be or are used or for maintenance stored for the activities Power and capacity of the used machines 1 MW and 560 kWh Water usage No water grid connection Tight container Retention reservoir available Water evacuation Tight container Rain water on the container will be drained by the existing water evacuation system Gas emissions Not applicable Noise vibration and smell Not applicable Waste In normal conditions no waste In case of problem waste will be contained in retention reservoir and evacuated by a specialized company Safety Retention reservoir for each battery rack Safety instruction displayed for operators Automatic monitoring of equipments See section 4 ICPE declarations have only been sent for the PSB and SSB storage asset as they have an electrical power above 50 kW They have been submitted respectively in autumn 2013 and spring 2014 and have been accepted without any restriction or comment Building permit several entities have been consulted ERDF as legal
46. and DC startup currents OK with reservations noticeable disconnection operation Over circuit and short circuit OK behaviour Differential protections OK Grounding connection OK diagram Transient on the DC bus OK Safety chain OK Internal communication OK No self tests management but Battery management OK maintenance visit every 6 months Risk analysis A risk analysis for the battery has been achieved by the manufacturer It gives installation and operation conditions for the battery At the project level a risk analysis for the full system has also been achieved This risk analysis will be checked by an independent control office before the installation in the customer s premises Safety features identified Safety features of the battery are clearly identified and are sufficient to ensure its safe operation independently of the rest of the system It mainly concerns the supervision of each part of the battery voltage some specific temperature values and the total current by the Battery Management Module BMM These supervision functions are software but hardware safeties are also present for redundancy In case of anomaly detection an alarm is generated on the communication bus and when appropriate depending on the gravity of the anomaly the main switch is open The battery is then completely isolated from the rest of the system The correct operation of this electrical switch is automatically tested every 6 mo
47. and no injection During the tests injection periods were observed Operating analysis showed a good response of the system to injection appropriate reduction in the discharge However the response time did not make it possible to completely prevent injection A test is underway to place the installation in a critical case for circuit breaker tripping and the results should be similar These observations are due to the MC11 sending period of 3 minutes possibly extended in the event of reception problems which cannot fully ensure non injection or no circuit breaker tripping of the installation In order to prevent these two phenomena the safety margins and factors should be adapted in order to reduce the risks of placing the system in a critical situation Low set point values A management inhibition function when the set point value is low can place the inverter in a linear zone When the charge or discharge set point value is less than 100W no order is sent to the inverter SOC jumps During the tests SOC jumps of between 1 and 2 were regularly observed These were provided for as of the algorithm design stage and their management is ensured by the upper lower SOC strips However larger jumps up to 5 were observed occasionally at the end of charging or discharging By increasing the upper SOC strip and reducing the floating charge power the appearance of these jumps or their impact was able to be reduced Communication
48. are much more important than those of typical feeders Voltage variations over time Phase 1 Voltage Vi Colombie substation 250 245 240 235 230 225 220 215 210 205 Time 200 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 Meter at the Meter in the middle Meter at the end of substation of the network the outlet Assessing the involvement of engaged customers The LINKY meters were also used to assess the involvement of the customers participating in the project Indeed it is essential to know how much load can be shifted to the production period by engaged customers as this will determine the number of engaged customers necessary to mitigate the risks posed by PV production on low voltage networks Tuesday 21 October 2014 35 QUIS a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat INNOVATION FOR ENERGY NETWORKS The analysis of the power data during the beginning of the 2014 summer experiment is carried out in Appendix II and provides us with some feedback on that subject The general result is that engaged customers with an electric water heater triggered remotely by the project will see a massive change in their consumption pattern on a solar day as their consumption will peak for about one hour during the afternoon The effect of this change in behaviour on the voltage of the local grid remains to be confirmed but still this first result tend t
49. as checks and audits upon delivery of said items This action ensures the effective quality of the installations executed with a view to efficiency and exemplarity of the installations executed within the framework of the project 4 1 9 Establishment of a panel of NICE GRID installers with specific specifications for the NICE GRID requirements Work performance is still a major subject of concern for private customers who want to install photovoltaic panels on their roof Tuesday 21 October 2014 228 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mea ou lat INNOVATION FOR ENERGY NETWORKS So as to reassure them and in light of the context surrounding the photovoltaic power market EDF decided with the support of the CSTB to establish a panel of industrial installers capable of meeting requests for the implementation of photovoltaic installations that EDF is going to promote These installers had to comply with the specific criteria and requirements worked out by the CSTB and sign a commitment charter To establish this panel of installers the CSTB provided EDF with the list of all the companies present in this market the list of PV trade associations and non profit organizations certification organizations and the French environment and energy management agency ADEME as well as business magazines EDF inserted in these publications an advertisement announcing a public meeting to present
50. be installed during autumn 2014 The process is quite similar as ERDF used the experience gained on the PSB installation This section aims at describing the differences with the PSB as well as the actual status of the three other grid storage asset the secondary substation battery SSB and the two low voltage grid batteries LVGB Comparison between the PSB and the other batteries The three other grid storage assets are low voltage storage assets I e they are connected to the LV distribution grid 400 V This has the following consequences There is no need for a dedicated ancillary supply The two LVGB have an ancillary circuit derived from the power circuit and the SSB has an ancillary circuit derived from the General Distribution Panel GDP of the secondary substation Instead of a DEIE which is normally used for MV generators Remote Switch Interfaces ITI are used They are normally used on the MV voltage to remotely reconfigure the grid the use of ITI on the low voltage grid to remotely open the circuit breaker of the storage assets in case of an emergency is an innovation for ERDF The operators are not from AMEPS but from the Grid Operation Agency AREX Although the grid storage assets are located on the LV grid they will still be controlled by the ACR which normally only controls the MV grid Here are the further differences with the PSB PCS are supplied by SOCOMEC using 33 kVA standard units The three
51. built equipment composed of the following main components A grid connection SAFT battery set 2 ESSU 53kWh 2 BMM 1 MBMM An AC source simulator ASUNSYS PCS 33TR Wattmeter Yokogawa WTS3000 A CAN bus analyser via PCAN Explorer An Oscilloscope DPO4054 Details about these components Brands models last calibration or reference are described in the tests reports BATTERY PCS RS TN AC SIMULATOR Tuesday 21 October 2014 155 NU uil te DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU Maza ch d INNOVATION FOR ENERGY NETWORKS iY n EIL AN m yug bs E et ee 7 Ft wid lit oy E i LI MODBUS RTU CANOpen Over RS485 serial link Over CAN Bus 250kbit s AC SIMULATOR Communication The communication link between SOCOMEC SUNSYS PCS 33TR HMI and SAFT MBMM is possible using a gateway to translate different protocols SUNSYS PCS supports the standard MODBUS RTU Application layer protocol Over RS485 while MBMM supports Standard CANOpen protocol Over CAN bus CANOpen Electrical Signal Date of the tests November 2013 Tuesday 21 October 2014 156 I aai DEMOS dD6 6 Halfway assessment of the smart solar district GRID T Mna LJ Hi INNOVATION FOR ENERGY NETWORKS The objective of this test
52. cabinet is mainly composed of External Power Supply EPS distribution External power supply and the protection of the air conditioning system lightening overvoltage protection Safe External Power Supply SEPS distribution External power supply and the protections of the FSS Fans Lighting system 230V ac 24Vnc inverter lightening overvoltage protection 24Vpc distribution 230V4c 24Vpc inverter to power supply ESSU BMM MBMM and accessories emergency pushbuttons line doors switches sensors line I O for Air conditioning and Fire Suppression System MBMM Ground fault detector on battery DC bus CAN Open bus network lightning overvoltage protection DC Network Lightening overvoltage protection manual switch disconnector to isolate the system during the maintenance phases Earth connection Tuesday 21 October 2014 78 DEMO6 dD6 6 Halfway assessment of the smart solar district d GRI EU Maa tel ilb an INNOVATION FOR ENERGY NETWORKS w ES B ee m DATA Routing Z4VDC SON AC Routing from EPS 2230 VAC Routing from SEPS m Fire Security Routing DC Power out LJ DC Power out ightin Door sensor b Single Line Diagram Fire Detector below the ceiling Fire Detector inside the ceiling Inerting Gaz raie tit HVAC Figure 32 Battery container structure ESSU1 ESSU Figure 33 Single Line diagram
53. chez moi dans mon quartier Gr ce l installation de panneaux photovolta ques et de moyens de stockage d nergie je peux participer une nouvelle g n ration de quartier solaire intelligent La partid pation l exp rimentation d pend d un ensemble de conditions d ligibilit remplir par le Participant En fonction du profil diff rentes modalit s de participation NICE GRID pourront tre propos es Communication document A brochure presenting the Smart solar equipment offer described in section 4 Tuesday 21 October 2014 232 dl DEMOS6 dD6 6 Halfway assessment of the smart solar district GRI EU ah nc FOR ENERGY lah an EXPERIENCE EQUIPEMENT SOLAIRE INTELLIGENT gt eDF FAITES L EXP RIENCE D UNE GESTION INTELLIGENTE DE L LECTRICIT SOLAIRE EN 2014 ET 2015 L EXPERIMENTATION NICE GRID C EST A CARROS DANS VOTRE QUARTIER DEMANDEZ DES MAINTENANT A BENEFICIER D UN ACCOMPAGNEMENT ET D UN SOUTIEN FINANCIER D EDF POUR DEVENIR PRODUCTEUR STOCKEUR D LECTRICIT Tuesday 21 October 2014 233 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID U INNOVATION FOR ENERGY NETWORKS EN VOUS ENGAGEANT DANS L EXP RIENCE NICE GRID EQUIPEMENT SOLAIRE INTELLIGENT EDF facilite votre acquisition d une installation de production lectrique photovolta que Une aide financi re Un accompagnement Un choix entre plusieurs Le raccordem
54. dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lat INNOVATION FOR ENERGY NETWORKS voltage variations on the LV network are quite small for this phase it is much more likely to display residual impacts of the MV voltage variations that would not have been masked by our method Phase 2 and 3 are better equipped with LINKY meters and the comparison of the voltage measures with the PowerFactory results is much more satisfactory The variations of voltage measured by LINKY meters are mirrored by the results of the model and the curves seem to be well synchronised When differences between the two sources of data occur they represent a difference in the amplitude of the variations not an opposition of sign These differences regarding the amplitude of the variations can be explained by the fact that only 80 of the customers on this feeder are equipped with LINKY meters Tuesday 21 October 2014 65 anii ilia DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat INNOVATION FOR ENERGY NETWORKS Conclusion on the comparison of the PowerFactory and LINKY voltage data We have seen that despite the several approximations that are made in our study including the assumption that 3 phase customers have a perfectly balanced load the usage of up to 20 of profiled loads the bypass of the MV voltage variations and the assumption that the 10 minute step values are synchronous the result
55. is to verify the conformity of the navigation the architecture of menus and displays the animation of the variable status and measures the parameters the data logging and the maintenance information The main dashboard screen ESS Status Energy Storage Rated Power KW SWITCH OFF Energy direction Battery Status Charge status as a 9 Instantaneous Power kW PCS unit System view Press UP DOWN to change mc xdule Help message area Always present displays a help message to guide the user through the display functions The SUNSYS PCS power screen x as 40 x 5056 x 70 x cB x 9056 gt 956 3areen The Battery status screen Tuesday 21 October 2014 146 AP be DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU rrr T en INNOVATION FOR ENERGY NETWORKS SOC z 87 5 96 62 5 96 SOC lt 87 5 96 37 5 s SOC s 62 5 96 12 5 96 s SOC s 37 5 96 SYS TE Qu Press UP DOWN to change module D E E E Tests synthesis e i a i Verify the two graphics conditions charges and discharges Main Menu statistics Graphs Daily Trend it isn t clear Discharge duration the graph isn t in centre at hours reference Main Menu Measurement PCS Power Battery Measures time before charging discharging not managed in the SAFT battery Main Menu Alarm amp Warning Alarm Main Menu History log Alarm reset
56. is to verify whether electrical signals CAN bus are clean by observing with oscilloscope the timings the edges status and the general levels QD oov i 200 50 0MS s Identifier 20M points 4 Nov 2013 11 34 43 ES Conclusion The test has been succeeded All the details are described in the internal confidential document M208 Battery Protocol Test doc Tuesday 21 October 2014 157 oe p GRIDGEU Pre ver x n INNOVATION FOR ENERGY NETWORKS DEMO6 dD6 6 Halfway assessment of the smart solar district Monitor CANOpen Bus Date of the tests November 2013 The objective of this test is to verify the timings amp the completeness of exchanged data between the gateway and the MBMM for the 2 types of CANOpen frames PDO Process Data Object The Process Data Object protocol is used to process real time data periodical transmission SDO Service Data Object The SDO protocol is used for setting and for reading values contextual transmission CANOpen frames have been monitored via PCAN Explorer Y Receive Transmit vX t3 me 4 i Fiter X None t D CAN4 pec Symbol Data Timeouts Cyde Time Count 1 18th 7 4A 00 90 01 JF 01 13 95 2 13803 281h 5 j 00 00 00 00 99 2 13803 38 1h 7 1 SE SD 02 00 1 99 2 13803 41h 8 0 F9 99 3 13803 10th 1 5 99 2 13801 764h 1 992 9 1367 O00h 2 0100 400 2 20th 8 00 00 01 00 00 00 00 amp 559 6 1662 301 8 FF FF FF PF FF 00000 1200 831 60th 8 40 1E 21 00 00 385
57. load management is facing news challenges in terms of power quality Indeed such networks are based on numerous innovations in various fields including in particular the power electronics Consequences in terms of wave quality are strong because power electronics based systems cause harmonics and distributed generation in general increases the stress on LV voltage control within 10 Quality can also be degraded when the short circuit power available is low especially during islanding or when there is a risk of voltage harmonic resonances Nice Grid demonstrator allows an overall assessment of the true quality of the supplied electric wave and impacts of new uses on the electric wave To assess the quality of the electric wave it is necessary to measure voltage current and harmonics at different points of the network The purpose of this chapter is to evaluate the temporal correlation between the harmonic over voltages observed and the photovoltaic generation at the Dock Trachel HV LV substation especially after the connection of a 140 kWp PV generator Harmonics on the network are measured before and after the connection of this new PV generator to analyze its effects Instrumentation Measurement equipment Alptec 24441 has been installed at the Dock Trachel substation for over a year to measure variations of power demand 3s aggregation points to determine the performances of the future battery inverters or other islanding sy
58. network 230 V 50 Hz Basement Batteries premises Sunny Island Sunny Perot EE Control Figure 84 Single line diagram of the installation in the MM E laboratory Indoor battery Inthe ConceptGrid laboratory This installation is not monitored Only the information reported by the EDELIA gateway and the data recordings of the inverter on the SD Card of the SRC are available The electric power supply is single ohase The Linky meter of the ITRON brand is configured in base load tariff The battery cabinet used is of the outdoor type This installation was used mainly for the operating tests and certain limit tests Tuesday 21 October 2014 250 QUT Ma a DEMO6 dD6 6 Halfway assessment of the smart solar district GRID tu 4 Ma C E a INNOVATION FOR ENERGY NETWORKS T Single phase network TTI 230 V 50 Hz House GPRS Gateway Energy Meter SOCOMEC CT Sunny Island a Sunny Remote Contral Figure 85 Single line diagram of the installation in the ConceptGrid Outdoor battery 4 3 4 Test conditions The following table lists the various operating parameters of the management algorithm incorporated in the EDELIA gateway as they were set at the start of the tests During the tests adjustments were made to these parameters Field Name Description Critical SOC before emergency stoppage at 3 of the SOC CRITICAL Inverter SOC MIN Minimum
59. of the electrical switch Important operational characteristics o Basic operation of the system It is possible to control the system operating point The power is given in signed absolute value positive for discharge negative for charge The nominal discharging power is 4600 W nominal Tuesday 21 October 2014 206 DEMO6 dD6 6 Halfway assessment of the smart solar district Ir P GRIDGEU a Bc ttt dai en INNOVATION FOR ENERGY NETWORKS power of the inverter and the nominal charging power is 2000 W maximum charging power of the battery o Precision compared to the given command The deviation of the measured power compared to the command given to the system is measured for different charge and discharge operating points The accuracy of measurements is 596 We also measure the gap between the power displayed by the system and the command These measurements are made in steady state Power instruction W 2000 2300 2530 2760 3680 4600 1000 1050 1100 1300 2000 It can be seen that Deviation measured power command command 96 Discharge 1 2 2 7 2 5 4 2 2 1 2 Charge 5 9 7 2 8 3 3 9 37 Deviation displayed power command command 1 2 0 7 0 3 0 0 2 0 8 0 5 2 9 2 2 0 5 0 7 e In discharge the system reaches perfectly its operating point the deviation compared to the real measurement is in the sensor tolerance range e In charge static error around 3 rema
60. of contactor test Expected contactor closed Hv ON OFF Customer Reset Auto reset Operation Mode End 2D Result of contactor test Expected contactor opened HA ON OFF Auto reset Contactor opening Battery Ready 20 Measured battery current gt MAX 1 2 x IMR or 3504 for 2s Hv ON OFF Customer Reset Contactor opening Inverter Ready 20 Absolute value of measured battery current gt MAX 1 2 x IMD or 3504 for 2s Hv ON OFF Customer Reset Contactor opening Sleep Off On to restart 20 SOC calculation not updated for 2s HWY ON OFF Customer Reset amp uto reset Alarm alarm reset is needed 20 SOH calculation not updated for 72hHvV ON OFF Customer Reset Auto reset Standby 20 BMU supply voltage 16 for 0 5s Auto reset Charging 4 Circuit breaker detected opened for 3s HW ON OFF Customer Reset Auto reset Contactor opening ESSU circuit breaker must be manually reset Discharging 20 Continuous charge current too high 1st level Battery current gt 1 1 x IMR_C for 2s Hv ON OFF Customer Reset Auto reset General Alarm 20 Continuous charge current too high 2nd level Battery current 1 2 x IMR_C for 2s Hv ON OFF Customer Reset Auto reset General Warning 20 Cell internal resistance variation 1st level Cell internal resistance variation is above warning level HA ON OFF Customer Reset Auto reset Battery can be charge 20 The SOC adjustment has not been requested for 1 month Hv ON OFF
61. of fire firefighters centre has received the information to exclusively use non conductive fluid such as CO when they intervene They will also set a water curtain to protect adjacent objects Furthermore retention is integrated to each rack with a capacity of up to 100 of the total volume of electrolyte in all the elements of the cabinet Container access ERDF surrounded each storage asset by a fence located at a sufficient distance to open the side doors and allow longitudinal and unrestricted access to the inside of a container on foot The idea is to restrict the access to authorized staff by limiting the ground surface Battery is not releasing hydrogen paragraph 2 1 of section 2925 of the ICPE on minimum distances from the boundaries of ownership does not apply Voir section 3 2 Site selection Storage asset is located outside of any volcanic and highly windy area to limit the amount of dust which may cause short circuits in all electrical installations To prevent the deformation of the container and keep it perfectly sealed storage is located on stable ground Prevention against electrical risks The PSB storage asset has two separate electrical power supplies Medium Voltage MV supply 20 kV from the primary substation Low Voltage LV supply 400V from the LV network passing through the adjacent street Tuesday 21 October 2014 94 a DEMOS6 dD6 6 Halfway assessment of the smart solar dist
62. of the MV supply alarm level 5 2 Loss of the LV auxiliaries supply alarm level 5 3 Opening the DEIE in case of emergency alarm level 3 4 Communication loss between ACR and MCU alarm level 5 Tuesday 21 October 2014 92 JU a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal INNOVATION FOR ENERGY NETWORKS The final tests reports were submitted to ERDF on March 19 2014 3 1 4 Risk analysis ERDF had to conduct a deep risk analysis of the PSB storage asset based on internal SAFT analysis and exchanges with its control and operation teams as well as with the fire fighters This section summarises the resulting analysis that described the main internal and external risks associated with the storage asset and the measures implemented to mitigate them Internal risks Internal risks are risks proper to the battery and its components According to SAFT events related to the use of lithium ion batteries are the following Fire Evolution of toxic gases carbon monoxide CO and hydrogen fluoride HF A complete combustion would lead to the release of 3 m of gas per kWh installed This gas would be released into the container which would be able to contain a few m if combustion was incomplete Larger amount of gas would be discharged to the outside through a safety valve Other gaseous substances can also be released in small quantities from plastics polypropylene and other cabl
63. of the battery Installation of terminal covers inside the PCS container ERDF installed covers on terminal under voltage within the PCS to prevent electrical risks Tuesday 21 October 2014 99 oil DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU a Mea T dat 1 INNOVATION FOR ENERGY NETWORKS Update of the grounding system to comply with the rules of access to the network established by the French standard NF C18 510 Control principles The Regional Control Centre ACR based in Toulon is responsible for controlling the MV voltage grid It is operational 24 24 and 7 7 lt has a dedicated storage asset HMI see next section in order to monitor and control the storage asset This was installed during the test phase in order to collect feedback from the grid controllers and optimise it The ACR is able to Send charge and discharge schedules to the battery Remotely open the main circuit breaker of the storage asset Retrieve the alarms of the PCS The PCS deals with all alarms from the battery or the PCS Gather the operational data of the storage asset state of charge Furthermore the connection between the ACR and the storage asset is tested every minute adjustable parameter In case of no response from the storage system a level 3 alarm is triggered the battery stops and the grid controller uses the DEIE to ensure the opening of the main power circuit The following cont
64. of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS How to get a better assessment of the voltage variations with the LINKY meter So as to obtain more accurate measurements and a clearer picture of the evolution of voltage during the day a few key meters were modified to record all voltage values Indeed LINKY meters can be used as real voltage meters and record the average voltage every 10 minutes on one phase or on the three phases depending on type of meter In order not to use too much storage space each low voltage feeder that was monitored had up to three meters with a full voltage measurement As the project s objective is to mitigate increases in voltage on the network the modified meters were selected so that they would provide us with an overview of the voltage over the entire length of their feeder meaning that measurements had to be taken close to the substation in the middle of the network and at the end of the line Voltage meter Ge on t lay f y 4 PV producer Figure 21 Voltage measurement Priority was given first to three phased meters as they give simultaneously the phase neutral voltage on the three phases thus providing a better overview of the network However when no three phased meter was available at an interesting location the project settled for the modification of three one phased meters connected to different phases and located close from
65. or not exceeding contracted power and the house PV production These tests also made it possible to detect e An inverter management problem following the transition to version 3 1 which must be corrected to ensure satisfactory operation of the system e A weakness of the battery which seems to accept rather excessive charge powers and this can cause stoppage of the battery requiring a manual intervention to start again e These two points are currently being dealt with The first summer 2014 was used to evaluate the performance of storage solution via hot water cylinders or displacement of consumption through price incentives The second summer 2015 will also test the use of electric storage planned deployment on winter 2014 2015 Tuesday 21 October 2014 259 DEMO6 dD6 6 Halfway assessment of the smart solar district QT nd AM GRIDGEU Mas wl lal NE 1 INNOVATION FOR ENERGY NETWORKS 4 5 Appendices 4 5 1 Appendix 1 Family Name otatus Result Installation Initial installation of the system Completed OK V1 1 3 Operation Nominal operation of the default Completed OK algorithm Default charge discharge power Completed OK SOC OH verification Completed OK Nominal operation of the Completed OK preparation algorithm Nominal operation of the Completed OK modulation algorithm Mode sequences Completed OK Change or cancellation of orders Completed Warning Limits Verification of the SOC MAX charge limit Completed OK or 909
66. peak production period 10 00 16 00 In the end this leads us to estimate that between 18 and 30 engaged customers with an electric water heater would be needed to balance the twenty four producers This is quite similar to the first guess that was put forward in Appendix II Tuesday 21 October 2014 71 ICT 9 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal z INNOVATION FOR ENERGY NETWORKS Conclusion In this appendix we made the most of the available model of the low voltage network to try and scale up the results of our experiments We focused on a specific feeder and started by looking at the impacts an increase in production would have on the different phases This allowed us to determine when the constraints created by PV production became too difficult to adapt to for a classic network This was estimated at around 40 of PV penetration for the selected feeder We then tried to mitigate the negative effects of the PV production by incentivising customers equipped with an electric water heater to shift part of their load to the afternoon This led us to confirm two conclusions that were first put forward in Appendix II The first is that the major part of the customers impact is felt over an hour long period corresponding to the water heater consumption The second is that triggering the water heaters does have a large impact on the voltage and could be used as an effective way of limiting
67. person has to submit a building permit request signed by an architect The building permit request is composed of eight documents PCI Site plan Tuesday 21 October 2014 89 JP 9s DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS PC2 Ground plan PC3 Sectional drawings PC4 Notice describing the land and presenting the project PC5 Facades and roofs drawings PC6 Graphic material for assessing the integration of the construction project in its environment PC7 and 8 Photographs to locate the field in the near and distant environment These documents have been sent in 10 copies to the Carros municipality This large amount of copies corresponds to the large number of public stakeholders which have to be consulted including the firefighting prevention department Today two building permits have been approved and two are still under discussion As lithium ion based batteries are a new technology at this scale it brought a lot a questions and discussions about their implementation at this scale in suburban areas like Carros The two remaining building permit requests were approved in August 2014 Civil works Civil works for the PSB storage asset consisted in four main tasks building the prefabricated hosting for the 1 MVA transformer installing a 2 m high fence around the site Installing concrete blocks to support the batter
68. protected On the DC side protection against indirect contacts is ensured by a voltage never exceeding 120V and by an internal isolation transformer in the inverter e The battery is equipped with a visible and accessible disconnect switch e The battery is locked in a cabinet e Since the battery does not release hydrogen or any other type of gas in normal condition Tuesday 21 October 2014 202 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID4Eu mem FOR a ah ran only the manufacturers recommendations regarding free space and ventilation must be respected e Additional labels will be put on each component in concordance with the electrical diagram to be able to identify them easily and for safety reasons confer Figure 65 A Figure 65 Example of additional labels ISOLER LES SOURCES AVANT TOUTE INTERVENTION Coupure utilisation a c le Protections and conduits dimensions e The resistance value of the customer s local grounding connection must be measured and equal to no more than 100 ohms NF C15 100 e The tie breaker calibre must be adapted to the storage system nominal power 4 6 kW e The differential switch between the tie breaker and the customer s panel must have a current rating adapted to the tie breaker calibre 63 A for AGCP 30 60 and 100 A beyond e his differential switch has been chosen with respect to type A because of the inverter in the installation e A surge pr
69. residential housing covered by the experiment and EDF has endeavoured to identify potential participants in the project according to this breakdown The objective of a solar district was to have 30 of the district consumption bring by solar electricity production depending on the district this objective was represented 8 to 20 new PV producers to recruit To perform this recruitment EDF put in place a communication campaign targeted on the inhabitants of these six districts and selected and designed a technical and financial support offer for private individuals wanting to become equipped For EDF the aim was in particular to facilitate the acquisition of photovoltaic panels in the context of the project by providing Technical aspects Technical quality of the photovoltaic installation set up on their houses Certification and commitment of the suppliers and installers of these installations Information aspects The forecast return on capital employed for these installations Neutrality with regard to a panel of installers and the choice of installer 4 1 2 Recruitment process established by EDF The recruitment process established by EDF for the customer assistance scheme with the support of building scientific and technical research centre CSTB is described briefly below e Identification of potential customers in the six solar districts e Establishment of a panel of photovoltaic panel installers who meet quality criter
70. responsible for the delivery of a constant secondary voltage of 404 V when running autonomously It will thus adapt to any variation of the primary voltage and adjust its primary to secondary voltage ratio accordingly It will be able to fulfil this role autonomously but will also be fitted with a communication device so that it is integrated as an extra flexibility source in the Network Energy Manager of the project When commanded to do so by the NEM it will follow a planning of voltage set points instead of just maintaining a constant secondary voltage The transformer that will be used in the project will be able to operate on a 10 6 range around the 20 kV 400 V ratio This means that the transformer will be able to cope with primary voltages between 18 000 V and 21 600 V and still deliver a 404 V secondary voltage To do this it will be fitted with 9 taps each of them will correspond to a 2 step The OLTC transformer s power will be 400 kVA but the transformer could take up as much space as a 630 kVA transformer due to the additional devices It will be installed by September 2014 Tuesday 21 October 2014 223 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID4EU a FOR a at e 4 Assessment of the PV onsite installation This section presents a review of PV installations to date a progress report on the recruitment of participants in PV management experiments and finally a summary of the tests carried out
71. shifted by an engaged consumer also allowed us to give a first estimate of the number of engaged customers needed to compensate power wise the presence of residential PV producers one engaged customer and one classic customer per producer should be enough Moreover this study highlighted the need to refine the solar period process in order to spread the current 1 hour peak over the whole solar production period this could be achieved by triggering the electric water heaters successively rather than all together at the start of the period While this is currently done at a national level with electric water heaters during the night in France it would be much more difficult to implement in our context because of the small number of customers per feeder around 50 customers only 10 to 20 of those take part in the load shifting which make the aggregation more complex It may be more efficient to target larger groups of customers perhaps by looking at MV feeders rather than LV feeders Finally while we gave an estimate of the number of engaged customers needed to compensate the presence of PV producers This estimate was only based on considerations regarding the production and the demand While this should translate into reduced voltage variations it is still necessary to check that this is true especially if the volume of production and the number of engaged customers are increased This will be addressed in Appendix IV Tuesday 21 Oc
72. show no problems preventing satisfactory operation of the local smart system The latter satisfactorily manages the system s various operating modes default preparation modulation Alarm reporting is performed correctly Management of limit cases floating charge high and low SOC threshold etc and degraded modes means it is possible to limit cases requiring manual intervention to a minimum A few tests still have to be completed in particular measurement verification calculation of the system s overall efficiency and electric power outage However these tests revealed a few weaknesses of the system e Incompatibility of the MC11 with the version 1 Linky meters of the Landys GYR brand e Unreliability of broadcast sending of TIC data by the MC11 e Time interval of 3 minutes for these data making it impossible to ensure non injection Tuesday 21 October 2014 258 ICT 9 DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS and no circuit breaker tripping unless for the latter point the customer s contract power is increased or the battery s charge power is severely limited To ensure the end of 2014 deployment management solution presented in this document will be deployed on ITRON meters and will limit the power of the batteries The project team is considering the implementation of a rapid feedback loop to provide a solution to ensure the non injection
73. than 3 seconds Tmax cell Tmin cell among BMMs connected 10 during 2 seconds Number of BMM connected 0 and MBMM mode NOMINAL Difference of current between ESSUs 204 during 600 seconds Difference af voltage between ESSUs 2 during 2 seconds Bad MBMM software CRO detected Bad MBMM parameters CRC detected Bad MBMM blackbox CRC detected during PBIT tests Bad MBMM RAM memory detected Input data out of range detected SCU BMMs or parameters Output data out of range detected MB MBMM Blackbox filled ta 80 Parameters out of range detected If ESSU faut code n2 Battery contactor activation on short circuit fuses bown detected on all ESSUs connected Overvoltage test The test is to check the trip threshold if the voltage of the cells is more than 4 13V In this case the MBMM sends a command to the internal contactor to open the connection between battery cabinet and converter In this case the modules of converter system switch off The abnormal test is done supplying current even if the MBMM sends a command to reduce the current to 0 IMR 0 In this way the voltage battery increase the charge until it reaches 4 13V by cell Tuesday 21 October 2014 186 Nosti am DEMOS6 dD6 6 Halfway assessment of the smart solar district cRiD4 EU INNOVATION FOR ENERGY NETWORKS X ESI Saft Battery States Alarms ni m ESI Saft DBG faa X m M MBMM Input MBMM Fault BMM 1 Fault BMM 2 Fault
74. the negative impact of PV production on voltage even though it would be extremely difficult to implement at a local level In the end this legitimises the approach of the project which is to engage customers into adopting new consumption patterns in order to move consumption to the PV production period However this also highlights the need to trigger customers successively in order to ensure that the whole production period is addressed and not just a couple of hours This is similar to what is done at a national level where electric water heaters are triggered at different times during the night but it could prove more difficult to set up at a local level as fewer customers are available Moreover it would be useful to complete the system with diversified offers that would engage customers who do not have electric water heaters Residential storage with Li lon battery would represent an additional solution to move the production to the consumption period rather than the opposite Such a complex system with such a wide range of offers and incentives may be too difficult to implement at a local level leading us to think that looking at larger groups of customers such as MV feeders rather than LV feeders may be more efficient Tuesday 21 October 2014 72 UAE a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lal INNOVATION FOR ENERGY NETWORKS 3 Assessment of the batteries and inverters experiments 3
75. very erratic consumption lengthened the time before reaching the set point value although without exceeding the allotted time Modulation mode In modulation mode the system must follow a fixed set point power value over a given period within the limits of the constraints of the inverter battery and the instantaneous consumption of the site As for the other modes compliance with the set point value in charging posed no problem In discharging the set point value was not always able to be complied with given the low consumption in the MM E However set point value following was regularly interrupted by tripping of the watchdog caused by Tuesday 21 October 2014 253 IPC 9s DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS the absence of data reception from the MC11 for more than 10 minutes 1 A zn P IL A ET i p I p LT F li i l F iig M j 4 M L T Q VA Figure 11 Modulation punctuated by safety stoppages This limitation is the direct consequence of the radio problems encountered between the MC11 and the gateway Mode sequences Sequencing of operating modes posed no problems during the tests and the sequence took place satisfactorily Limit tests High SOC The high SOC limit is directly secured by the operation of the battery inverter system which cannot be charged beyond 100 For reasons of efficiency howeve
76. 013 11 11 2013 12 11 2013 13 11 2013 14 11 2013 15 11 2013 16 11 2013 17 11 2013 200000 100000 P ma 00 40 00 01 20 00 02 00 00 02 40 00 03 20 00 04 00 00 04 40 00 05 20 00 06 00 00 06 40 00 07 20 00 16 40 00 17 20 00 18 00 00 18 40 00 19 20 00 20 00 00 20 40 00 21 20 00 22 00 00 22 40 00 23 20 00 100000 200000 300000 Figure 14 Consumption at the Dock Trachel substation W November 2013 from 1 st to 17 highlighting 9 10 11 and 16 17 Tuesday 21 October 2014 22 M si 9 DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lal INNOVATION FOR ENERGY NETWORKS 2 1 5 Results All overruns of 5 rank voltage harmonics level appear before the start of PV production between 4am and 7 50am at the latest Increases of the voltage harmonics level do not appear to be temporally correlated with PV generation contrarily to the drops of voltage harmonics levels Indeed the PV production increases the short circuit power without emitting harmonic disturbances it allows reducing the H5 voltage harmonics Currently it is not possible to know the cause of threshold overruns Future instrumentation of all feeders will allow knowing if the overruns come from a single feeder and therefore a specific consumer After the connection of a new 140 kWp generator on the Dock Trachel substation average values of 5 and 7 ran
77. 014 26 06 2014 26 06 2014 26 06 2014 28 06 2014 28 06 2014 28 06 2014 28 06 2014 00 00 06 00 12 00 18 00 00 00 06 00 12 00 18 00 00 00 06 00 12 00 18 00 Time Phase 1 Phase 2 Phase 3 Voltage variations over time Middle of the network meter Voltage V Colombie substation 245 sx No t LS aN ai Vial dv n PME TU AN WW A RAT er AA A X LP Mol le IMP Vo sco RE 210 205 23 06 2014 23 06 2014 23 06 2014 23 06 2014 26 06 2014 26 06 2014 26 06 2014 26 06 2014 28 06 2014 28 06 2014 28 06 2014 28 06 2014 00 00 06 00 12 00 18 00 00 00 06 00 12 00 18 00 00 00 06 00 12 00 18 00 Time e Phase 1 Phase 2 Phase 3 Voltage variations over time End of network meter Voltage V Colombie substation 245 s OY IPM AR File dens T WA a Pn r LAMPS Cn a i T wey MT ai O m ME T wl MU y L a Ps 3 NUI o PII D au wt Lu Wu Ww Fh MSN Vt MA iud oy o AM a F Cy sS RS nl ey 200 23 06 2014 23 06 2014 23 06 2014 23 06 2014 26 06 2014 26 06 2014 26 06 2014 26 06 2014 28 06 2014 28 06 2014 28 06 2014 28 06 2014 00 00 06 00 12 00 18 00 00 00 06 00 12 00 18 00 00 00 06 00 12 00 18 00 Time e Phase 1 Phase 2 Phase 3 Tuesday 21 October 2014 47 AU ie DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU a Bes ful lat n INNOVATION FOR ENERGY NETWORKS It appears quite clearly that th
78. 041068010278 tuerm 041068009491 ca 0603301268 Figure 24 Dock trachel substation Tuesday 21 October 2014 o GRI EU a Bis Mont di m INNOVATION FOR ENERGY NETWORKS 32 udi GRID EU labi am DEMO6 dD6 6 Halfway assessment of the smart solar district a ao ENERGY E a oy A4 34 at eh EL I LY 041167003338 We 041167003574 y 2 041167003399 F7 ei s ad 4 m enenessis 041167003515 LA ne f c e P 4 041167003228 o Pm F E 041167003709 041167003310 p in 04116700340 7 X t 041068009554 a 7 d I t ess s E 7 zi f iy 2 LS EU rx y y PE wt bi r e e a yi x ai f LS 041167003516 041167003366 67003268 041068009566 1 phase meter 3 3 phase meter J Vv feeder d Figure 26 Plaine 1 substation Colombie substation gt Key i phase meter x3 3 phase meter C tv feeder 33 Figure 25 Colombie substation Tuesday JT A ay INNOVATION FOR ENERGY NETWORKS a Ma 7T DEMO6 dD6 6 Halfway assessment of the smart solar district 3 041068013274 ion x3 Figure 27 Lou Souleou substation zo primi zt Fr phase meter x3 3 phase meter O LV feeder te pr j ETE q ed 1 phase meter f Lou Souleou substation Key Rosemarines substa L Tuesday Figure 2
79. 1 MV protection cell including o disconnector with double earthing switch o fuses for power transformer protection o current transformers CT with 2 secondary for PCS measurement and ERDF counting 1MV measurement cell including o disconnector with earthing switch o fuses for Voltage Transformers VTs o with 2 secondary 1 for ERDF metering and 1 for PCS measurement and protection relay A power transformer 1 MVA 1 protection relay for voltage min and max frequency and homopolar protection DEIE device A metering device for ERDF ICE meter Figure 35 Single line diagram of the storage transformer 14 The DEIE is used to open remotely the power circuit 1 gt This meter is used to measure power consumption of the storage asset auxiliaries are not taken into account Tuesday 21 October 2014 82 DEMO6 dD6 6 Halfway assessment of the smart solar district GRrID4eu e eres FOR wae Lara Telecom The control system of the PCS is in charge of managing any remote set point for load leveling and interact with the SAFT battery MBMM the 1 MVA power transformer and the associated interrupter fuse the Master Control Unit MCU see section 5 and some of the equipment of ERDF 20 kV substation The following communication can be mentioned The PCS and the Battery MBMM communicates through MODBUS This allows to manage and control charge discharge of the battery and retrieving alarms The PCS and MCU communica
80. 120 TPOO t x2 10 TPOO fa210 50 3 tutt TOO J Suzi 1 TPOO_4 Stew 7110 TEDO amp em OTi TPDO 4 Stew 02112 TPOO 4 Su Ox2113 TPDO b 2117 TOQ 2 Qt te TOO I Gap tha TPOO_2 hta TPDO 3 711 TFDO 3 E2124 800 Getta 200 ox 00 ntt 20 aro 800 Guat re 500 Gat ir 000012 SOO Gea t t S00 OGI me DE 4 d E f L D L ee hy IGCCCCGECCUC v v we wu En 02 T Y M o o WU En Gd qa X o uw a S C4 En En Ww X En 34 4a C 2 X En UU X En 22 o 4 0 En En uS C 4a C1 ww ww Emergency redundant hardware Chane i actwe far ss SOS Hy CONIDFF Short orced Getectes Ratery Current 4 for Dee Hy LONIOFF LIC Loto rpari SOC fer tuy LORIOFT Customer Rees deter Mody terepersture COC fer e Le HW DOF Customer Reset Aute r Model terepecsture lt 20 C fer ne De IW LONIOFT Customer Reset Asto Modes urvperstass 25 C fer se Le HIY ONO Custeesee Hana Asto Cet wetege 4 CSV for me 2 HA LOVE Custeree Reset Asts tesat Cet ostage 4 13V for o 23 9 COMIOFF Custoree Reset Aato reset C Cet optage 2 7V fer ve 28 HW ONO Custoree Reset amp uto eset Ce g49ge 257 for se 25 WW ONIOET Customer Reset Contacter opening Cet stage out of trecge 1 5V P WA CONDFT II Costamer Reset Auto Lows of more than 1 sf module temperatures for e 18 VW DIVOFT Cus
81. 2014 56 JA a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lat INNOVATION FOR ENERGY NETWORKS Given the currently low penetration of PV producers less than 10 it proved difficult to assess their impact on voltage beyond the fact that they reduce the load on their phase during the afternoon thus indirectly increasing the voltage as showed by the fact that the phases where PV producers are connected are often the least loaded during the afternoon In the end most of the voltage variations are linked directly to the evolution of the load on the three phases When one phase is clearly the most resp the least loaded it tends to have the lowest resp the highest voltage and to increase resp decrease the voltage on the other phases Thus the unbalance of the phases was one of the main reasons behind the largest voltage variations as it often amplified the variation due to the load by adding cross phases effects Tuesday 21 October 2014 57 i Clin DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS Appendix Il Analysis of the LINKY power data and estimation of the load shifted by engaged customers Scope of the analysis This analysis focuses on the first month or so of the 2014 summer experiment It uses the power data recorded by the LINKY meters over the period 30 05 2014 09 07 2014 to assess the volu
82. 2100 0x2100 0x2100 0x2100 0x2100 0x2053 0x2053 0x2053 elealslelwulalwelnrle lelz Voell max battery group Ambient temperature Tmax connect Tmax connect MBMM Fault Codes 1 8 MBMM Fault Codes 9 16 MBMM Fault Codes 17 24 MBMM Fault Codes 25 32 EMM Warning 1 8 EMM Warning 9 16 BMM Warning 17 24 BMM Warning 25 32 BMM Warning 33 40 BMM Warning 41 48 Connection Strategy Reset MBMM Alarm 1 8 Reset MEMM Alarm 9 16 Reset MBMM Alarm 17 24 Reset MBMM Alarm 25 32 MEMM Reset Cmd BMM Synchro SMM Number BMM Synchro SMU Number BMM Synchro Object Number BMM Synchro SubIndex BMM Syncrho Synchronization BMM Reset FsuR 1 8 BMM Reset Fault 9 16 BMM Reset Faut 17 24 M o000100020500 H H FF WA MN e x y ew leledle winie oe EE As Kf C Dm LL wwe A amp A Ww ba ws ns l b D ut tm mms RM RM mM mms mm h1OQ OO O0 0 0 00 0 0 0 0 0 0 0 o ono ve p Se nm pet i 1 t 1 t n t i 1 1 t L t t t t i 1 1 t 1 1 t t t t 1 1 t t 1 WIP P N A ws O b Uu x b n o 09 ND M Tuesday 21 October 2014 160 he DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lal INNOVATION FOR ENERGY NETWORKS m Monitor Modbus Protocol Date of the tests November 2013 The objective of this test is to verify the completeness of exchanged data between the SUNSYS PCS 33TR HMI and the gateway for the 2 types of CANOpen frames
83. 275 50 0 15 0 43 18211 50 0 16 0 21 Tuesday 21 October 2014 180 DEMO6 dD6 6 Halfway assessment of the smart solar district 664 13 76 9130 44 0 16 0 24 0 49 8 98334 662 13 57 mye wp o PP i ww ej ey Wy JD VER Xo E 13 84 9184 32 0 15 0 08 0 21 9 12236 662 13 78 my ee oup om meme OS SR S RS Dove wo MU 13 86 9193 95 0 16 0 09 0 24 9 12236 662 13 78 RSI RS RSS ES i wp E e m Dom wo n pep um wm pow wo T ow ow epp ep wp wp WE Owpoe Qo el m vm veo 7 7 661 ERBEN Dd ed NE EBEN ER RE EE eee 3 33 Conclusion The test has been succeeded Response time lt 20ms Converter V l error 1 SOC from MBMM is linear during charge discharge at P constant Converter Off when receive SOC 0 or under Vcell min or Vbatt min Major alarm gt Battery contactor open Converter stopped by Alarm Minor alarm Battery General Warning converter on MBMM opening contactor request gt Pconverter 0 switch OFF The converter respects the MBMM limits Battery Efficiency 95 5 Current limitation is equivalent to P set point variation Voltage limitation is managed with loop control o Reduction 1 P Pn s o Rising 0 2 P Pn s e MBMM Limitation Delay MBMM updating PCS Timing lt 400ms 80ms 480ms Tuesday 21 October 2014 181 w 2 mil DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU ae SET T INNOVATION FOR ENERGY NETWORKS All the details ar
84. 5 10509 40 671 34 15 69 10533 80 671 20 15 75 10569 60 671 0 Co 15 69 10530 50 670 9 C1 15 69 10529 00 670 83 15 69 10526 40 67 42 30 63 20440 50 8 45 95 30503 70 O O Co N O 663 4 663 14 46 01 30512 70 662 85 46 00 30492 90 45 89 30448 30 ior 662 56 46 01 30482 40 662 27 46 16 30567 90 659 47 55 56 36640 60 Tuesday 21 October 2014 179 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID4EU fu am TTE FOR sae NETWORKS Charge test Al 80A i EEI 0 36 0 16 E 24 0 08 E 0 2196 0 15 y 0 2796 0 22 E 0 2296 0 53 I 0 1696 0 04 p 0 19 0 00 E 0 1696 0 67 27190 20 i 0 1896 0 18 27170 20 E 0 20 0 29 27267 30 i 1296 0 54 i i i i i i i i i d f Ml PCS PCS DC Current Active Power KW AV 1kV AP 30kW DC Voltage V A TT ENG as as EN Le a LE m a a EN a ME NN TT Bini EN RR a NN Mlle EE EE EE ME EE Ne EE Nl NN 32428 70 32484 70 32405 00 32490 30 32539 00 32441 20 32409 50 27232 50 27141 40 0 13 0 12 27163 40 0 15 0 22 27193 80 17 0 29 27286 30 0 09 0 29 18235 60 0 20 1 09 18198 30 0 11 0 21 18187 70 0 21 0 31 18198 40 0 22 0 26 18189 40 0 22 0 28 18163 10 m 0 12 18280 70 0 14 0 40 18192 20 14 0 04 18
85. 6 PE DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU e SEE FOR ENERGY ih an Some customers will have their electric water heater turned on remotely Customers with PV production and a residential battery will have their battery charging 2 2 3 Usage of the LINKY smart meter What is LINKY The LINKY smart meter is a communicating meter that is going to be rolled out in France These smart meters will provide much more details regarding the consumption and the quality of electricity than the current meters such as the consumption at a 10 minute step or the voltage They will also be operable remotely thus reducing the need for onsite interventions and the delay for maintenance The communication between each meter and the information system that centralises the data is divided into two main steps First the meter sends the information to a concentrator localised in the secondary substation using Power Line Carrier PLC communication Then the concentrator communicates with the supervision centre through GPRS The electricity suppliers will then have access to some of the data that relate to their customers Le SI Linky mare l riterface avec les autres SI d ERDF et traite leurs dernandes M m Figure 18 linky infrastructure Tuesday 21 October 2014 27 ICT 9 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal
86. 6 SOCTarget 10096 in preparation Verification of the SOC MIN discharge limit Completed OK or 0 SOCTarget 15 in preparation Floating charge test Completed OK Safety charge Completed OK Minimum charge and discharge powers Completed OK Tests for no circuit breaker tripping and no In progress injection SOC jump measurements in cases of In progress charge or discharge at high power SOC jump measurements in cases of In progress charge or discharge at low power Communication ADSL communication via PLC connectors Completed OK Tuesday 21 October 2014 260 DEMO6 dD6 6 Halfway assessment of the smart solar district Degraded Data Reliability of MC11 gateway communication Loss of inverter communication in charging preparation or modulation mode Loss of inverter communication in discharging preparation modulation mode Loss of inverter communication on standby Loss of meter communication MC11 Loss of ADSL communication of the gateway during mode Loss of ADSL communication of the gateway before a sequence preparation modulation Loss of Inverter Battery communication Grid power outage Energy measurements Alarm reporting to the PFD Measurement of Inverter Battery system efficiency Tuesday 21 October 2014 Completed Completed Completed Completed Completed NOT completed Completed In progress NOT completed In progress Completed In progress 1 fui RE an
87. 6 2014 00 00 28 06 2014 12 00 Time Linky Phase 1 Linky Phase 2 Linky Phase 3 PowerFactory Phase 1 PowerFactory Phase 2 PowerFactory Phase 3 As we want to focus on the model s reliability when it comes to the voltage variations caused by the low voltage network we decided to mask the variations caused by the upstream network at the secondary of the transformer This is done by working on the difference between the voltage at the end middle of the network meters and the voltage at the meter located close to the substation rather than directly on the voltage at the end middle of the network meters This makes the voltage data of both sources comparable without having to input MV voltage data into PowerFactory Comparison of the voltage variations We can then plot the voltage variations over the low voltage network using the data supplied by the LINKY meters and the PowerFactory model For the Colombie substation it gives us the three figures below Difference between the voltage at the end meter and at the substation meter Phase 1 TED Comparison of the LINKY and PowerFactory data Colombie substation V E 10 JA NC Ye TNA TAY df A s An 5 10 4 23 06 2014 00 00 23 06 201408 00 23 06 201416 00 26 06 201400 00 26 06 201408 00 26 06 201416 00 28 06 201400 00 28 06 201408 00 28 06 2014 16 00 Ti ime LINKY data PowerFactory data Tuesday 21 October 2014 63 PE DEMO6
88. 8 Rosemarines substation Gr DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fu lat E 1 INNOVATION FOR ENERGY NETWORKS These selected meters give us a more accurate overview of the evolution of voltage over time and make it possible for us to analyse the way the voltage varies throughout the network over time For example the figure below displays the evolution of voltage on Phase 1 over a week day at the three sample meters of one of Colombie substation s feeder 0603301593 This feeder has one of the highest penetrations of PV production in the project 1096 making it one of the most likely to display increases in voltage The meter situated the closest to the substation provides us with data showing that the voltage at the substation is not constant during the whole day variations on the MV level affect it It must be noted that the MV variations are smaller than average in Carros as the MV feeders are short and strong The variations of the two meters situated further downstream appear much more difficult to analyse with a very large gap between the mid and end network voltage Deeper analysis is required to unscramble these data it is carried out in Appendix l It must however already be highlighted that the voltage variations on this feeder should not be regarded as standard This feeder is very long and its phases are unbalanced the combination of these factors leads to voltage variations that
89. A Harmonic voltage level 0 03 Sum of harm V V3Mean H5 2013 08 24 L 50 Sum of DORO 2013 08 24 0 02 Sum of subst PtriMean kW 2013 08 24 A 100 y 0 01 150 0 I THEE PTT PEHEHEEHEEHIEEEDPIP N PNN PTT TTT TTT A oT aT HHUH 200 D QOG GSS fs GLO GU G fo G O G O CG G GCG G G GC GU G GS OG Gs SFFRAATFSAFHMASSHAFAARSSARTAVSASASAA D Q we C M T V MUO r0 gg D C v f mm LUN LU uw 00001 Cc D CN CD OcooooooO Om eme eee m 9 NANN NN ex e Figure 3 Saturday 2013 08 24 measurements Figure 3 shows measurements for August 24 2013 with a turbulent production But as August 22 relative amplitude overruns of harmonic voltages are over the 6 limit well before the start of the PV production Moreover as before the PV production increases the short circuit power and limits H5 voltage harmonics To ensure that the measurement equipment clock has not offset from the production meters clocks we have also analyzed measurement from the SMB SMI Small and Medium Businesses Small and Medium Industries meter installed at the Dock Trachel substation As seen on Figure 4 the measurements from the SMB SMI meter and the ones from the Alptec Prtrimean are completely synchronous Power 0 07 4 250 P producer 200 0 06 150 0 05 100 gt 0 04 30 Sum of harm V V1Mean H5 S i 0 z Sum of harm V V2Mean H5 gt 2 0 03 Sum of harm V V3Mean H5 o and 50 E
90. AC side or the DC side in case of short circuits that the SUNSYS PCS is always safe and not the source of fire Short circuit on the IGBT electronic board A short circuit is created on the IGBT Insulated Gate Bipolar Transistor electronic board Phase 1 amp 2 during discharging mode with a SOC equivalent to 50 Internal diagram on the IGBT board and localisation of the short circuits Phase 1 D vD39 3 ul SODe0 LL4148 VD10 Short circuits are created thanks to relays mounted on the board Tuesday 21 October 2014 149 LM DEMOS6 dD6 6 Halfway assessment of the smart solar district 4 GRI EU 4 4 INNOVATION FOR ENERGY NETWORKS Tuesday 21 October 2014 150 DEMO6 dD6 6 Halfway assessment of the smart solar district Hereafter the recorded curves during the short circuit 4cg Complete M Pos S00 0uUs SAL a RICH g Azione Hichiama forma d onda lal fil seleziona Hichiama Messun file CHI T m vBy CH2 T rm vBy M 2 50ms CH4 280m CHS 1 00 CHA 5 mwv 22 0tt 15 12 20 lt 10Hz Tuesday 21 October 2014 UT ci GRIDG4EU Pre ver he INNOVATION FOR ENERGY NETWORKS CH1 Output Current Phase 1 100A div CH2 Output Current Phase 2 100A div CH3 Output Current Phase 3 100A div CH4 Trigger TP8 Enable Converter 5V div It can be seen the peak of the current at the time of the short circuit of the IGBT board 151 DEMO6 dD6 6 H
91. Addr ESIM Battery Max Cell Temperature 20 Standby EXTE 2 t 4131 mv BatteryGroupcellMax ModBus Addr ESIM Battery Min Cell Temperature 2n Charging EXTE g t 0 C Ambient_Temperature ModBus Addr ESIM Battery Max Cell voltage 20 Discharging EXTE Wm C Tmax_Connections ModBus Addr pouwa rezexkdte Aieka 3 4 General Alarm FXTF baa rec Imin Connections Moe A dicic Conclusion The test has been succeeded All the details are described in the internal confidential document M208 ABNORMAL TEST doc Over discharge condition Date of the tests January 2014 The test is made by disabling the Vcell min Battery Group lt 2 7V SOC _connected 0 controls V Battery Group Min Opening Request from BMM Current Limit Used IMD 5A The first part of discharge is at nominal power Near the end of discharge the power is reduced to avoid any damage of the battery for over discharge The over discharge test is a strong stress for the battery The cell voltage arrives below 2 5V During the test the first battery cabinet BMM 2 with cell voltage 2 5V switches off and the discharge continues with the other battery cabinet BMM 1 Tuesday 21 October 2014 187 IN T DEMOS dD6 6 Halfway assessment of the smart solar district GRIDGEU as oit en INNOVATION FOR ENERGY NETWORKS When one cabinet is disconnected automatically the MBMM sends a command to the converter to limit the max d
92. D6 6 Halfway assessment of the smart solar district GRID EU Mas fu lat INNOVATION FOR ENERGY NETWORKS The objective of this test is to validate the logical sequences of the different state machines Main State Machine The union of the SUNSYS PCS and SAFT Battery is named Energy Conversion amp Storage equipment ECSE The ECSE is typically managed by an external Energy Manager System EMS controller ERDF NEM amp NBA in the Nice Grid Project which has the task to define the rules for the energy exchanges between the storage system and the grid The ECSE implements the following main state machine EXIT SLEEP SWIICHED OFF ALARM BATTERY READY fal El OPERA LUS AL With the following state and transition conditions INIT During this state SUNSYS PCS is not supplied HMI and Converter Module are switched off 1 At system power up the PCS automatically enters the SWITCHED OFF State from the INIT State SWITCHED OFF During this state the DC and AC contactors are opened Tuesday 21 October 2014 164 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal z INNOVATION FOR ENERGY NETWORKS Only the HMI is supplied by aux AC It establishes the communication with the MBMM through the Gateway and verifies the State of the MBMM 2 When EMS sends Switch On Command if MBMM is in the standby condition HMI sends first the Conne
93. D6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lal INNOVATION FOR ENERGY NETWORKS P Active power set points Case N 2 First test with the original firmware fie Ede Verts Mors cg Ing Deplay Cursors Meagure Masks Math MyScope bes teip Eston Cursi Pas LEA A Curis Pos 7 75a M a Pe co o 1 A current overshoot can be seen either on the AC side and the DC side The worst case is when the load is applied in the crest of voltage The time from O to the current overshoot peak is about 1 4ms To reduce this effect it has been inserted a ramp to limit this peak Tuesday 21 October 2014 144 II a DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS Second test with the updated firmware fle Edt Vertical Morizj Acq Ing Qtsplay Cursors Mec ure Masks Math MyScope bes Help c E oL w A CWAWSWAWAWAWAWAWAWAWAWAT Position W WIN V Maoge eae Woe Y V uw Factas 10 Conclusion The test has been succeeded All the details are described in the internal confidential documents M208 Q step response doc amp M208 P step response doc Tuesday 21 October 2014 145 DEMO6 dD6 6 Halfway assessment of the smart solar district GRI TEU 4 INNOVATION FOR ENERGY NETWORKS SUNSYS PCS HMI test Date of the tests February 2014 The objective of this test
94. DGEU Mas lat z INNOVATION FOR ENERGY NETWORKS The objectives of the tests presented here are to check e The correct integration of components from different manufacturing suppliers and the proper functioning of the full system especially regarding its security e The compliance with the existing standards and regulations for the electrical connection the French standard called NF C 15 100 e The appropriateness of important parameters for example response time in regards with the project needs The results of the functional and components unitary tests for example inverter electromagnetic compatibility are not given here and the management tests are presented in the part Assessment of PV installation The tests have been conducted by EDF R amp D on ConceptGrid a new connected test facility where a full installation has been completed protection system inverter and battery but without the communication box Furthermore design and calculation of power connection have been validated by an independent control office SOCOTEC 3 3 2 Results Tests studies results are focused on the following points e System documentation e Regulatory compliance and electrical connection diagram e Specific tests and studies for the security of the full system e Important operational characteristics e Incidents recorded during the tests System documentation Summary table Tests Studies Results Comments System representativenes
95. Document Acrobat Figure 69 MPS ZE HK VDE01261A1VFR13 fr 15 d claration SMA conformit DIN pdf Tuesday 21 October 2014 211 I ne DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas tut lat INNOVATION FOR ENERGY NETWORKS 3 4 Halfway assessment of the OLTC transformer NICE GRID is a demonstration project which namely aims to facilitate the integration of massive PV production on low voltage networks Indeed this decentralised PV production creates constraints on the low voltage networks These constraints include increases in voltage in the production area This happens mainly when the local production becomes largely superior to the local demand NICE GRID s purpose is to explore new ways of accommodating large amounts of PV production This means designing and testing smart systems capable of managing these increases in voltage rather than systematically resorting to the crude solution that is the reinforcement of the network One of these systems is the on load tap changing transformer OLTC also called solar transformer This kind of transformer is able to adapt its turns ratio ie the ratio between the turns of the primary and secondary windings without interrupting the supply The OLTC transformer basically enables secondary substations to do something that all the French primary substations could do before which is modifying the ratio between the primary and secondary voltage Typical seconda
96. F Customer Reset Auto reset Contactor opening CEL To V 10 BetteryGroupVoltage ModBus Addr 20 Loss of more than 50 of module temperatures for 1s HW ON OFF Customer Reset Auto reset Contactor o TM To A BatteryGroupCurrent ModBus Addr 20 One module power connection temperature 29 C or 115 C for 1s HV ON OFF Customer Reset Auto res TCC Ts BatteryGroupStatus ModBus Addr 50 CON voltage 15V or 32V for 0 5s HW ON OFF Customer Reset Auto rese cot ts BMM OpeningRequire ModBus Addr oo BMU supply voltage 32V for 0 5s HW ON OFF Customer Reset Auto reset BMI To BMM_OpeningRequire ModBus Addr 20 BMU supply voltage 8Y for 0 5s Hv ON OFF Customer Reset Auto reset EM To BMM OpeningRequire ModBus Addr 0 Result of contactor test Expected contactor closed HV ON OFF Customer Reset Auto reset MAIM To a N_BMM_connected ModBus Addr lt gt BMM SelfTestRequired ModBus Addr Ww nersys OMS state Machine cO SST ToT IET z T N BMM in parallel ModBus Addr ESIM MainState Machine 20 Battery Ready EXTE T N_BMM_disconnected ModBus Addr ESIM Normal State Machine 20 Inverter Ready EXTE T N BMM requiring dis ModBus Addr ESIM Commissioning Equalization Freshening St Sleep Off On to restart EXTE Trio cu SOH ModBus Addr ESIM State of Charge State Machine 4 Alarm alarm reset is needed EXTE f 409 mY BatteryGroupcellMin ModBus
97. Figure 80 Sunny Island and Sunny Remote Control SRC The SRC has a slot for insertion of an SD card on which the inverter records its operating data at 1 min intervals and events such as alarms EDELIA gateway The gateway serves as an interface between the PFD and the local system It also contains the algorithm for battery management according to local parameters consumption condition of the battery etc and requests coming from the PFD It communicates cf document 2 III via Internet Ethernet cable link to the internet customer s box or GPRS with the PFD via an RS485 cable SMANET protocol with the SMA inverter connection to an USB port via radio EN13757 4 868MHz with the TIC MC11 reader in Receive mode only Tuesday 21 October 2014 244 IPC 9s DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lat INNOVATION FOR ENERGY NETWORKS Figure 81 EDELIA gateway EDELIA TIC reader MC11 The TIC reader transmitter MC11 is connected to the customer remote information TIC output of the ERDF electronic meters It is compatible with the communicating meters Linky used in the context of NiceGrid It recovers the information sent over this output such as the energy set point the current tariff period etc which it sends in broadcast mode to the gateway It communicates via an encrypted one way radio link with this gateway A LED indicates the status of
98. I A 22 mai 2014 11 35 26 Carros Onduleur PEM Niv4 ALARME A 22 mai 2014 11 35 25 Carros Onduleur PEM Niv5 ALARME A 22 mai 2014 11 35 25 Carros Onduleur PEM Niv2 ALARME Alarm level 1 or 2 no action from the ERDF Agence Conduite R gionale Alarm level 3 4 or 5 1 Checkthat the battery status changed from Stop to Standby Check that the number of closed contactors 0 3 If number of closed contactors gt 0 open the non urgent DEIE SAFT GRID from the feeder SAFT Tuesday 21 October 2014 119 o DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDAEU Me eres FOR etl Lars ALARM INTERUPTION OF ACR PCS CONNECTION gt 1 MIN e his appears under this form on the black Human Machine Interface au Este rz nm AJ amp 12345678 lt zim Al A ET A 02 juin 2014 15 04 46 System Ping ADSL ACR ey J 02 juin 2014 15 04 38 System Ping ADSL ACR ey Open the non urgent DEIE SAFT GRID from the feeder SAFT Tuesday 21 October 2014 120 DEMO6 dD6 6 Halfway assessment of the smart solar district C GRI 3 2 Halfway assessment of grid batteries and converters experiments The target of this section is to describe all the tests which have been performed on the SUNSYS PCS 33TR in order to demonstrate the compliance of its functionalities capabilities performances amp protections with the requirements of the Nice Grid project for th
99. NERGY NETWORKS Voltage variations over time Phase 3 Volt illeti i oltage Cailletiers substation V 250 245 4 240 4 235 4 230 4j 225 7 220 4 215 4 210 4 205 4 200 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 Meter at the Meter in the middle Meter at the end of substation of the network the outlet On these figures it is worth noticing that the voltage curves corresponding to the meters at the substation and in the middle of the network are extremely close especially if you compare them with the curve of the meter at the end of the network This is due to the fact that despite our commitment to the choice of a meter situated in the middle of the feeder this choice was based on geographical data It appears that though this meter is roughly located in the middle of the line the load is unevenly distributed across the line whose end is much more loaded than its beginning Therefore the voltage variations between the middle and the end meters are more significant than the ones between the substation and middle meters Similarly to the feeder of the Colombie substation the voltage variations on the three phases are synchronised on the three days studied We will thus proceed similarly and focus on the 23 06 2014 to try and analyse the cause of these changes by comparing the voltage variations with the load curve of each phase Tuesday 21 October 2014 Time 00 52 sit
100. ORKS 2 Preparation mode The PFD sends to the gateway a target SOC to be reached before the end of the allotted period while taking into account the customer s consumption 3 Modulation mode In this third mode the PFD provides a set point value in charge or discharge power during a defined period of time that the gateway tries to comply with as well as possible depending on the customer s consumption The following table summarizes these various operating modes Customers with Customers with Base load peak off peak tariff tariff To charge the most possible during the peak hours To discharge the most possible duringt he off peak hours To limit the customer loss To maintain the battery level around SOC gop Default mode To charge or discharge the battery to reach SOCiarget To respect the charge discharge hours Charge or discharge the battery to reach SOCtarget Preparation mode To follow as well as possible the To follow as well as possible the Modulation mode PFD set point PFD set point Protection mechanisms High SOC protection When the battery s SOC reaches the value SOC_MAX the gateway stops battery charging unless a higher preparation target SOC overrides this rule Low SOC protection When the battery s SOC reaches the value SOC_MIN the gateway stops battery discharging unless a lower preparation target SOC overrides this rule Critical SOC protection The gateway has a prot
101. October and November 21 Figure 12 H7 voltage harmonic average values October and November 21 Figure 13 H7 voltage harmonic V1 November 2013 from 6t to 171 22 Figure 14 Consumption at the Dock Trachel substation W November 2013 from 1st to 17 highlighting 9 10 11 and 16 17 s 22 SUES 0 cies Baan 0 Lie fos TODO a eee ene eee eee 24 Figure 16 Consumption and production curve eese neret enn nnn nennen 25 Figure 17 Consumption and production curve adjusted sss 26 Figure T9 nk OPES UC DUE sirene uses didi c iue ned iac setup eee 27 Figure 19 Voltage measurement at 10 for a one phase meter 28 Figure 20 Voltage measurement for a three phase meter sess 29 Figure 21 Voltage measurement sn 30 Figure 22 Cailletiers substation nr 31 Figure 23 Pesquier SuDSUALEIOL ele ne de ran ini e sir estes eaii Ies 31 Figure 24 Dock trachel substation esee ennt nnne nnns 32 Figure 20 Plaine L SHDSEAEBOD etate eqtene tura n auus a E ME EUER E Oaai 33 Figure 25 Colombie substation sn 33 Figure 27 Lou Souleou substation nn 34 Figure 28 Rosemarines substation nn 34 Figure 29 Resulting load curve at Dock Trachel secondary substation 75 Figure 30 Storage asset at the primary substation ss 77 Figure 31 Battery container composition
102. PS ZE Hk VDE01261A1VFR13 fr 15 d claration SMA conformit DIN pdf Decoupling protection The inverter must be equipped with a decoupling protection in conformity with the Distribution System Operator DSO reference sources Yet by default this inverter is in conformity with VDE ARN 4105 but its parameters are configurable so with some configuration it can be in conformity with the mandatory standard for a power connection in France VDE 0126 1 1 VFR 2013 The decoupling thresholds for the standard VDE 0126 1 1 VFR 2013 are 0 8 V4 184 V lt V lt 1 15 Vn 264 5 V 47 5 Hz f 50 4 Hz Detailed installation instructions and wiring diagram 500mA ERDF t Circuit breaker Surge protectio pPoecessssesss l D l 3 i cc Circuit _ breaker Grounding 20A connection 0 v Derivation panel L L E g S 2 3 P o D E S S end Tuesday 21 October 2014 199 DEMO6 dD6 6 Halfway assessment of the smart solar district Surge protection device mandatory m wem LS s um zum me mn 9 L s 10mm DC wire length b section 50 mm circuit breaker DC C120N Inverter protection panel Two circuit breakers 1P Neutral Towards derivation panel Figure 63 Single line electrical diagram QR eee GRIDGEU Pra ver x e n INNOVATION FOR ENERGY NETWORKS A single line electrical diagram has been designed and validate
103. R_C LBS MBMM MCU NBA NEM PCS PDO PLC a UNA GRID Etu a Mai E al z INNOVATION FOR ENERGY NETWORKS Automatic Grid Disconnection Protection Anti Islanding Device or Protection Batteries Management Module SAFT Broadband over Power Lines Modem ALSTOM Controlled Area Network Circuit Breaker Distribution System Operator Energy Converter amp Storage Equipment SOCOMEC Converter SAFT Batteries Energy Manager System NEM amp NBA in the Nice Grid Project Energy Storage System Unit SAFT String Batteries Field Control Unit ALSTOM Fire Safety System General Distribution Panel Human Machine Interface Heating Ventilation Air Conditioning Maximum Discharge Current Maximum Charge Current max 5 seconds Maximum Continuous Charge Current Load Break Switch Master Batteries Management Module SAFT Master Control Unit ALSTOM Network Batteries Aggregator which controls the operation of grid batteries Network Energy Manager Power Converter amp Storage System SOCOMEC Process Data Object CANOpen Power Line Communication Carrier Tuesday 21 October 2014 122 de be DEMO6 dD6 6 Halfway assessment of the smart solar district j GRID EU rr eut LA en INNOVATION FOR ENERGY NETWORKS PV PhotoVoltaic RSDO Received Service Data Object CANOpen SDO Service Data Object CANOpen SOC State Of Charge of the batteries SPD Surge Protection Device TSDO Transmitted Service Data
104. SOC for discharge SOC MAX Maximum SOC for charge SOC 0H Reference SOC at midnight CHARGE MARGIN No circuit breaker tripping margin DISCHARGE MARGIN No reinjection margin 200W Tuesday 21 October 2014 251 DEMO6 dD6 6 Halfway assessment of the smart solar district MIN CHARGE POWER MAX CHARGE POWER MIN DISCHARGE POWER MAX DISCHARGE POWER FLOATING POWER Min charge power Max charge power Min discharge power Max discharge power Floating charge power de Eh GRIDGEU Mas ve dat 9a INNOVATION FOR ENERGY NETWORKS Lower SOC strip SOC STRIP INF allowance for self discharge Upper SOC strip SOC STRIP SUP allowance for hysteresis in charging DEFAULT POWER PCT Percentage of power in default mode WD TIMEOUT Watchdog tripping timeout minutes Figure 86 Single line diagram of the complete installation in the laboratory 4 3 5 Test procedure The first tests concerned the reliability of transmission between the MC11 and the gateway During these tests the Linky meter of the L G brand was replaced by a meter of the ITRON brand since problems of compatibility were detected on the MC11 Landis Gyr meter pair cf S Since the inverter was originally planned for the German electricity grid SMA provided us with a procedure to change certain decoupling parameters to bring it into line with French regulations These adjustments were possible only after updating the SUNNY ISLAND software from version 3 0 t
105. Sum of production DORO c I 002 100 Sum of subst PtriMean kW 450 Sum of SMB SMI substation 0 01 200 0 Hit Poth dd PETE UPPER HG P H I SSSSESSSSSSSSSSSSSSSSSSSESSRSES eceososcosceosesseosoesososesososesooosoossosesse A T6 922 13 34 51 Ga e ae ee X3 4i Sem 3 D VA Pees 23 93 COUR CN x SSH NM tH ER DOS Sn NM THU SR ES OS S ANH 200000000000 meme unu Figure 4 Saturday 2013 06 22 measurements For all overruns of 5 rank harmonic voltages noted this happened before the start of PV Tuesday 21 October 2014 17 DEMO6 dD6 6 Halfway assessment of the smart solar district GRI a ln es sla T an INNOVATION FOR ENERGY NETWORKS production except Sunday June 9 with a very slight overrun negligible at 18 10 on a day when the production is very turbulent see Figure 5 0 07 250 Power 200 0 06 150 0 05 100 E 50 r 0 04 Sum of harm V V1Mean H5 o 1 amp 0 5 Sum of harm V V2Mean H5 gt 2 0 02 i 50 Sum of harm V V3Mean H5 o E L 100 Sum of production DORO T 002 450 Sum of subst PtriMean kW Sum of SMB SMI substation 200 0 01 250 0 ITHTTHTHTIHTHTITITTTTH TTT TTT TTT TTT TTT TT TT THE TUTUTUTUTTTITTITI 300 OO 0 H 29 9 0 909 09 0 99 A A e a a ee S SS Sas PNR Se eae 2 SSSR FIRE eo eo eo oe oo D SD Se So QD OS Se CAFN TONSA TEAN AONTNNTON EN OS e AN M M D D 0 OD eon M UN a5 n
106. T 20 Battery can be charge 2 Output data out of range detected MBMM DAT 20 Battery can be discharge 3 14 MBMM Blackbox filled to 80 BLA 20 Parameters out of range detected PAR 20 If ESSU fault code n2 Battery contactor activation on short circuit fuses blown detected on all ESSUs connected SHO 20 Battery group current gt IMR_C 54 during 2 seconds IMR_ 20 Difference of software version detected among BMMs DIFF Minor alarm gt No opening request Conclusion The test has been succeeded All the details are described in the internal confidential document M208 ABNORMAL TEST doc Battery disconnection in case of Overcurrent and Overvoltage Tuesday 21 October 2014 185 it Ms DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas tu lat Ph n INNOVATION FOR ENERGY NETWORKS Date of the tests January 2014 Q Overcurrent test During the recharge even if the MBMM requires the ending of the charge because it has sent the command at the converter to reduce at OA the current IMR 20 the converter supplies more of 10A and after two seconds the MBMM cuts off the DC voltage the overcurrent protection is ok pz ESI Saft Battery States Alarms L X Battery group current IMD 204 during 2 seconds Battery group current IMF 104 during 2 seconds Customer watchdog toggle bit inactive during 3 seconds Communication problem with at least ane GMM for more
107. This example would have been extremely difficult to tackle with a classic transformer as the secondary voltage variations 10 8 added with the primary voltage variations 5 9 exceed the acceptable 10 range This highlights the potential of OLTC transformers for solar districts districts with a high penetration of PV production Tuesday 21 October 2014 214 QUIS a DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS Adjustment intervals The OLTC transformer operates on a 14 wide range There is a finite number of taps on the winding that define which ratios within this 8 6 range around the 20 kV 400V ratio can be selected The interval between the different taps is an important issue A large interval could affect the quality of the power and the devices connected due to the important variations of the voltage when the transformer changes the tap position A small interval would multiply the number of taps and affect the cost and the maintenance of the system Usually the interval between the taps in a transmission transformer is 1 5 For other distribution OLTC transformers intervals are comprised between 1 5 and 2 5 These intervals do not create any issues for the downstream customers when the transformer changes from one tap to the next We decided to settle for a 2 adjustment interval which would have resulted in the use of 8 taps to co
108. Tiri e g 50000 SENS NSENSENS T A Es ANA T NET NS oce C4 M M MF HH T D di NN NN M 09 11 2013 Ooo 00 0009 0 0 0 00 OGO qQ 7 e oc oc c 0 0C NNN NS 10 11 2013 100000 t 11 11 2013 12 11 2013 150000 13 11 2013 200000 250000 Figure 10 Consumption at the Dock Trachel substation W November 2013 from 1 to 13 So 5 rank voltage harmonics decrease during the month without matching a priori a strong PV production we cannot conclusively determine the cause of this increase in these voltage harmonics of November 7 and 8 7 rank harmonic As for 5 rank the average values of voltage harmonics are lower in November than in October We do not see a sudden rise on November 7 rac Donn es Temps d int gration Tension hamong Se Ro M 041013 071013 101013 131 13 181013 19 1013 22 10 13 251013 2 031113 06 11 13 0911 13 12 1113 151113 18 11 13 211113 241113 27 1113 30 11 13 Figure 11 H7 voltage harmonic resolution 10min October and November Nicegrid V2 Moy H5 2 07 96 ll Nicegrid V3 Moy H5 2 17 2 14 96 Figure 12 H7 voltage harmonic average values October and November Tuesday 21 October 2014 21 ndm DEMOS dD6 6 Halfway assessment of the smart solar district GRD GORI U nalka aat 2 ENERGY NETWORKS However we can notice that on November 9 10 11 and 16 17 th
109. VATION FOR ENERGY NETWORKS supervision centre it is in constant interaction with the network The Linky meter is able to receive orders and transmit information remotely To do this it communicates to a hub a kind of mini computer installed inside transformation substations managed by ERDF The hub is linked to the ERDF supervision centre Master Control Unit MCU The Master Control Unit MCU is a computer responsible for monitoring the PSB storage asset it communicates with the Field Control Units FCU installed at each storage asset level SSB and LVGB Through a small SCADA system the Master Control Unit can act as data historian protocol driver etc minimising the dependency of the system reliability on the communication availability The Distributed Control Units support advanced power applications such as active power control voltage fluctuation smoothing and islanding monitoring The communication links are the following For the PSB storage assets PCS lt gt MCU lt gt ACR and NBA For the SSB and LVGB PCS lt gt FCU lt gt MCU lt gt ACR and NBA Power Converter System PCS The PCS is a bidirectional system which makes it possible to charge the batteries from the grid and to discharge the batteries on the grid Relying on an Insulated Gate Bipolar Transistor IGBT based 4 quadrant converter system it can convert direct current into alternate current and vice versa lt serves as charger of the battery c
110. Y NETWORKS MCU CARROS EMIGRA SOITE ZI 1ere RUE ule Qr A AG A Tme Gah tame AJ device Time OF Al NiceGrid 2192 168 110 51 12 08 14 16 25 18 4 Figure 57 Event Box of the Storage asset HMI The event box of the storage asset HMI provides the list of all the occurred events Some of them are linked with alarms Alarms have five levels of severity level 5 is the highest level Battery and PCS alarms are managed automatically by the PCS In case of an alarm the PCS and the battery will be set in safety mode power circuit opened The only role of the ACR controller outside workable hours in case of an alarm is to check that the PCS is stopped If it is not the case the controller opens the power circuit though the DEIE system reliable and in operation for renewable energy generators 3 1 7 First results of the PSB The storage asset at the primary substation is now under operation and ERDF gathered some first results This section describes the first results with some charge and discharge schedules and computes the efficiency of the system This efficiency will be computed in the final deliverable Tuesday 21 October 2014 106 niil UNA DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat INNOVATION FOR ENERGY NETWORKS 3 1 8 Overview of the status of the other storage assets The PSB storage asset is operational and the three additional grid batteries will
111. a C hb Tan INNOVATION FOR ENERGY NETWORKS E terrabrowser Supervision RDP RDP TCP HTTP TCP Socket TCP SSH SFTP Figure 51 Architecture The function of the MCU regarding the storage asset is 1 The storage asset HMI from the MCU makes it possible to send a charge discharge schedule of active power for the storage asset for the next 24 hours at a 30 minutes time step 2 The MCU gathers the schedule from the HMI e terrabrowser and sends the corresponding instructions set points to the battery through the PCS using the OPC protocol 3 Operating data of the storage asset are sent to the MCU via the OPC protocol These data can be displayed though the HMI of the MCU 4 Thecontrollers in the ACR can monitor in real time the operation of PCS Battery in particular a Displaying alarms b Monitoring the battery SOC c Monitoring the system state d Controlling the operating modes of the system start stop standby Presentation of the interface The storage asset HMI is displayed on a dedicated computer at ACR It must be simple to use and there should not be too many alarm sounds in order for the controllers to work properly The main display from the HMI is presented on the next figure There are several boxes for he battery state The PCS state The instructions The load curve Tuesday 21 October 2014 102 II N DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Hs 76
112. achine Interface HMI located at the Regional Control Centre ACR designed for the remote display of the storage assets state and the monitoring of these assets ACR Agence Conduite R gionale Regional Control Center AMEPS Agence de Maintenance et Exploitation des Postes Sources Agency for maintenance and operation of primary substation AREX Agence d Exploitation R seau Agency for grid operation BMM Batteries Management Module SAFT BPL Broadband over Power Lines Modem ALSTOM CAN Controlled Area Network DEIE Dispositif d Echange d Information d Exploitation device used to opean remotely the main circuit breaker of the storage asset DREAL eee EE T Direction R gionale de l Environnement de l Am nagement et du Logement Regional Directorate for Environment Planning and Housing DSO Distribution System Operator ESSU Energy Storage System Unit SAFT Batteries FCU Field Control Unit ALSTOM FSS Fire Safety System GDP General Distribution Panel HMI Human Machine Interface HVAC Heating Ventilation Air Conditioning ICPE Classified Installations for the Protection of Environment LV Low Voltage LVGB Low Voltage Grid Battery MBMM Master Batteries Management Module SAFT Batteries MCU Master Control Unit ALSTOM My Medium Voltage NBA i Network Batteries Aggregator which controls the operation of grid batteries NEM Network Energy Manager Tuesday 21 October 2014 113 wk o E TREU DEMO6
113. age LV grid Low Voltage Grid Battery LVGB Primary Substation Battery PSB This storage asset was the first to be installed in December 2013 It is located at the Broc Carros Primary Substation that supplies the area of Carros and represents around 20 MW of peak consumption The site belongs to ERDF and the storage asset is composed of three containers dedicated to the battery the Power Converter System PCS and a transformer The storage asset has a power of 1 MW and an energy capacity of 560 kWh Secondary substation Battery SSB This storage asset will be installed during autumn 2014 close to the secondary Substation of Dock Trachel This secondary substation supplies a professional area of 12 clients with around 250 kW of peak consumption and 430 kW of PV installed capacity The PCS of this storage asset will be located in the secondary substation building whereas the battery container will be located on the car park of a commercial client The storage asset has a power of 250 kW and an energy capacity of 600 kWh Low Voltage Grid Battery LVGB ERDF can also shed load using a similar interface The battery has a power of 1 MW the PCS a power of 264 kW but the power is limited by French regulation on the low voltage grid Clients can contract up to 250 kW when they are connected to the distribution grid Here the storage asset is connected to a dedicated feeder of the secondary substation Tuesday
114. agement Modules for several BMM management SYNERION LI ION MODULES In order to reach ESSU voltage levels the battery is based on a modular architecture with a 28VDC maximum voltage module The module consists of 14 cells willing in two branches in parallel of seven cells each This assembly is named 2P7S I PE Lette Du rT jal 4V ma UEST de SYNERION 2P 7S module characteristics SYNERION 24E 2P 7S model view The Synerion Battery module is realised with following sub parts e one SMU electronic board e one BUSBAR electronic board e harness between electronics boards The main functions ensured by the SMU 1 board are to monitore each cells voltage monitore module temperature at different points balance each cells calculate module SOH Tuesday 21 October 2014 130 JU DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fu lat INNOVATION FOR ENERGY NETWORKS send cells voltage module temperatures alarms information SOH receive self test request alarms reset request balancing consign current SOC manage self test to verify the functionalities manage power supply converte module voltage to 5V to supply High Voltage electronic functions wake up and deactivation when an external supply signal is present or not control self power signal to be supplied even if the external signal is not present communicate with maintenance tool diagnostic and reprogrammi
115. aints concern the battery These constraints are clearly identified in the manufacturer s data sheet The 3 party installer will be provided with a training session informing him of the risks and procedures when dealing with the transport of Li lon battery Tuesday 21 October 2014 201 niil UNA DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat INNOVATION FOR ENERGY NETWORKS Information for the insurance company template of a letter that has to be sent by the customer to his insurance company has been prepared explaining particularly the presence of the battery in the energy storage system provided to the customer Regulatory compliance and electrical connection diagram Summary table Tests Studies Results Comments Compliance with standard NF C15 100 OK with reservations Additional labels Protections and conduits OK 5 dimensions Compliance with standard NF C15 100 Even if the electrical installation standards do not deal with installation of storage systems via battery connected to the grid the NICE GRID systems compliance is estimated relative to NF C15 100 standard and based on UTE C15 712 1 and C15 712 2 standard guides The installation principles considered in our project reference to the document presenting the installation recommendations state that e he customers existing installation will not be deeply modified indeed the system will be added as an addit
116. alfway assessment of the smart solar district GRID4EU ae hes INNOVATION FOR ENERGY NETWORKS When the short circuit appears the SUNSYS PCS asks immediately the opening of the DC contactor After the test we can assess the following situation The AC contactor is still operational The DC contactor is still operational The battery is still operational The DC fuses are OK The AC fuses of the phase 1 amp 2 are blown but the AC fuses of the phase 3 are OK When we switch on the module the alarm AC voltage fault appears After replacement of the faulty components all the functionalities of the power module are recovered Conclusion The test has been succeeded Tuesday 21 October 2014 152 DEMO6 dD6 6 Halfway assessment of the smart solar district f GRI EU f T a a Dt ai INNOVATION FOR ENERGY NETWORKS Short circuit on the DC capacitors A short circuit is created on the DC capacitors board during charging mode under 18 6A amp 580VDC Le a i f 4 P In order to analyse possible fire propagation a gas fibre is applied on the SUNSYS PCS State of the DC capacitors board after the test Tuesday 21 October 2014 153 DEMO6 dD6 6 Halfway assessment of the smart solar district a E GRII EU a Mis te l A INNOVATION FOR ENERGY NETWORKS Unlike the previous test the contactors opening are not o
117. an manage set points for the battery and is retrieving the battery alarms PCS communicates with the MCU to exchange storage assets state values set points alarms Regional Control Centre ACR The 31 Agence Conduite R gionale ACR Regional Control Center ensure the proper functioning of the MV grid 24 24 Each one ensures continuity of supply to one to two million of end customers ACRs are always looking to optimize the power scheme by allocating the most favorable power flows in primary substations PS on the MV network and secondary substations They aim to restore quickly the customer supply in the event of a service interruption They also ensure secure access to the network for technician interventions operating staff subcontracting companies Storage asset A storage asset is a combination between a battery working with direct current DC and a Power Converter System PCS working as a charger for the battery and a bidirectional converter from direct current DC to alternative current AC Storage asset HMI The insulated gate bipolar transistor IGBT is a three terminal power semiconductor device primarily used as an electronic switch In newer devices it is noted for combining high efficiency and fast switching Tuesday 21 October 2014 112 DEMO6 dD6 6 Halfway assessment of the smart solar district UNA GRIDGEU a Ble tat RE INNOVATION FOR ENERGY NETWORKS The storage asset HMI is a Human M
118. and technicians furthermore new control and operation strategies had to be defined In particular a storage asset Human Machine Interface HMI has been developed by ALSTOM GRID in order to monitor remotely the state of the storage asset send charge and discharge schedules and retrieve potential alarms from the system Alarms are ranked according to their severity level and specific treatment is available for each type of alarm The first results for charge discharge tests enable the storage asset efficiency computation The auxiliaries like HVAC which are running 24 24 have to be taken into account in such a computation This experience gained on the first storage asset is now used for the three other ones which will be installed during autumn 2014 The storage asset that operates islanding requires adjustments at the secondary substation some islanding equipment has already been installed and civil works completed The two storage assets located on the LV grid are integrated in containers which have already been built and the civil works on site have begun This deliverable focuses only on grid storage asset different from residential storge assets installed at customer premises 4 kWh 4 6 kW ERDF manages 95 of the French distribution grid composed of MV 20 kV and LV 400V network Primary substation is 225 kV 20 kV station HV MV and secondary substation is 20 kV 400 V Alstom Grid is in charge of three mai
119. at allowed for the installation of a smart meter for instance some were on a tariff that was not compatible with the version of LINKY rolled out in the project Moreover the change of the ancient meter to the LINKY meter was encourage but no compulsory as this is only a demonstration project On a general note the data collected by the PME PMI meters will be used within Alstom s solar console to provide the user with a quick visualisation of the load in each solar district and of the PV production of the area It may eventually enable the development of advanced micro grid functions On a more technical subject the retrieval of the data makes use of several technologies Data points are transmitted every ten minutes to the project s server by a WebdynTIC A WebdynTIC is a communicating platform that periodically retrieves the data from the meters and uploads it to a server chosen by the user The data streams are communicated by Broadband PowerLine BPL a fast PLC technology compatible with MV networks to the primary substation where a broadband internet connection to the ERDF network retrieves them to the server An additional retrieval takes place on a daily basis through a GSM channel Tuesday 21 October 2014 37 I a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lal INNOVATION FOR ENERGY NETWORKS 2 2 5 Usage of the ALPTEC measuring devices Requirements for additional measures The prev
120. ation of set point The delay time is the same as the previous test Pa TEE salt Head Saft Debug Value UM Acronimous Description ai i Value UM Acronimous Description Td 1 ID _Eatt ry Unit Modus Addre T ID Battery Unit ModBus Adira al qas 95 SOC available Modus Addre boo WW SOC avalabis ee EM aq S8 k SOC connected Mock Addre E A A HELME IM continuous Modus Addre ot d i F ann A1 iti biei Aad 4 0 Al D Modis Adare tle Edt Vertical HorizfAcq Trig Display Cursors Measure Masks Math RE ites Help Cursi Pos 200 0us Curs Pos 78 5ms FL TRNTTET ei Tuesday 21 October 2014 176 IPC 9s DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lat INNOVATION FOR ENERGY NETWORKS Measure the time from the MBMM limitation to the real voltage reduction Set point limitation during battery discharge The VMD is set to higher value 670V than the measure of battery voltage 663 3V The converter reduces the power in 80ms IE A d 319 4 IMR ModB fie C Tmax Module ModB Le C Trin Module ModB v0 YMD ye 0 v 10 YMR ModB v 10 Battery Group Voltage i ri fai eas ud ema ed a arie hdi E Fie Edt Vertical Horiz Acq Iro Display Cursors Measure Masks Math MyScope Utiities Help Batons Cursi Pos 200 Oy Curs P
121. ay assessment of the smart solar district GRID EU ailes Mort ufi en INNOVATION FOR ENERGY NETWORKS Collection of the data needed by the installers to produce quotes is performed by the CSTB 4 1 7 Verification of the conformity of the technical proposals with the project criteria This verification aims to analyse and evaluate the conformity of all the installers dossiers with the requirements of the specification criteria cf 3 objective and non discriminatory criteria and to analyse and evaluate the conformity of all the proposals quotes produced with the criteria of the technical requirements questionnaire cf 5 objective and technical criteria An evaluation is also made of the consistency of the proposal with the production potential expected when identifying the solar potential cf 4 The technical proposals are compiled by the CSTB from the database built beforehand The CSTB ensures compliance with the commitments made by the installers within the framework of the experiment including response times for example 4 1 8 Verification of conformity of the proposals with the work performed This procedure concerns deployment of the technical solutions selected by customers on the identified sites Since the stated will of the CSTB is to ensure continuity in this project worksite checks and audits are performed randomly during the works to check the consistency between the proposals and the installed items as well
122. be noticed on these figures is the small amplitude of the voltage variations in comparison with what happens on the Cailletiers and Colombie feeders This amplitude can be affected by three different factors the load the length of the line and the unbalance between the phases which is directly linked to the load The Lou Souleou feeder is much shorter than the other two 350 m against 540 m for Cailletiers and 650 m for Colombie but displays a load superior to the load of Colombie and inferior to Cailletiers which is relatively well balanced during the 10 00 18 00 period ie the period during which most of the voltage variations occur Thus the voltage variations in Lou Souleou cannot be due to the unbalance of the phases as we suspected it was the case for Cailletiers and Colombie If we focus on the comparison between Lou Souleou and Colombie the amplitude of the voltage variations is divided by three in Lou Souleou while the load is slightly superior and the line half the length of the one in Colombie Lou Souleou s higher load should partly compensate the much shorter line length and should at least mean that the voltage variations amplitude is not divided by three Thus the fact that the load is better balanced in Lou Souleou probably has a stabilising effect on Tuesday 21 October 2014 55 ae a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU 4 Maa C d ib Tan INNOVATION FOR ENERGY NETWORKS the vo
123. check that PowerFactory provides us with reliable models of the solar districts power systems by comparing the voltage variations obtained by running calculations on the LINKY and PME PMI power data If the models proved to be reliable the next step would be to multiply the penetration of PV production by a coefficient to simulate the future growth of PV production and to assess when constraints really start to appear on the network Then replicating the behaviour of engaged customers that move their consumption to the afternoon when incentivised to would allow us to evaluate the ratio of engaged consumers necessary to alleviate the constraints caused by PV production and to check whether the conclusions of Appendix Il are confirmed when PV is introduced on a larger scale The comparison of the LINKY data on voltage with the results given by the PowerFactory model is detailed in Appendix Ill The scaling up of the experiment using PowerFactory is presented and analysed in Appendix IV Tuesday 21 October 2014 42 JA 9 DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lat INNOVATION FOR ENERGY NETWORKS 2 2 Conclusion This report introduced the various devices installed in the field to monitor the daily behaviour of the grid in the NICE GRID project These devices are essential to the project and to Smart Grids in general as getting a better knowledge of the distribution network constraints is nece
124. chine Interface HMI for the storage asset has been an iterative work involving Alstom Grid SAFT and ERDF This storage asset HMI is available at the ACR in order to display the state of the storage asset including the possible alarms There are two versions of the HMI A black one which is simplified and allows the technicians of the ACR to monitor the asset with the charge and discharge schedules for active power and the display of the alarms A blue one which is more specific to the PCS It is possible to connect with the PCS to have more information regarding the PCS alarms It is possible to achieve a better diagnostic and to send charge and discharge schedule with reactive and active power The black HMI is described in this section This storage asset HMI will be extended for the other grid batteries Buttons are already present as shown in the following figure CARROS EMIGRA SOITE ZI lere RUE Figure 50 Selection table Master Control Unit MCU The Master Control Unit MCU is a computer responsible for monitoring the storage asset The selected architecture is presented on the next figure The storage asset is monitored though a remote HMI on the NBA server There is no connection between the NEM and the MCU for the moment The storage asset is still controlled manually through the ACR Tuesday 21 October 2014 101 es DEMO6 dD6 6 Halfway assessment of the smart solar district d GRI EU 4 M
125. classify the expected levels of production potential The aim was to validate the estimates of the professionals who reply to the specifications cf S3 The results thus obtained can therefore partially ensure evaluation of the proposed dossiers complementing the checks described in 2 4 4 1 6 Definition and application of a set of technical requirements for potential customers A questionnaire was produced to identify all the technical and practical criteria of the sites receiving a photovoltaic installation This questionnaire should enable installers to make a blind estimate for the installations they have to execute without favouring anyone It can thus be used to place installers in competition with one another It is the quality of the dossiers presented that should be used as the criterion for selection by the customer Customers can then contact the installer of their choice This questionnaire is built in three sections The first section covers the structure roof covering part the second section the electrical safety and sizing part and the last section the electricity generation storage and energy part These three criteria make it possible to build the questionnaire but above all they allow collection of all the information needed by the installers The questionnaire was validated by the professionals to ensure its consistency at a meeting held with the PV installers Tuesday 21 October 2014 227 JU a DEMOS6 dD6 6 Halfw
126. cols data variables identical to the ones that will be implemented on the field Furthermore no safety feature is carried out by the communication gateway or the local control system they can be replaced by a simple PC or by the SMA inverter control software Sunny Data Control for the tests The communication channel used to control the inverter is the RS485 channel and all the safety features are present and operational The battery tested here is the indoor battery very similar to the outdoor version that will be used in NICE GRID The indoor and outdoor versions presented on Figure 62 have no functional differences The two versions are installed in ConceptGrid and their installation has been also validated by an independent control office SOCOTEC Figure 62 Indoor and outdoor versions of the battery Tuesday 21 October 2014 198 M si a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat INNOVATION FOR ENERGY NETWORKS General information Information about each component battery and inverter is given in manufacturers documentation Some data are presented here on an indicative basis Inverter nominal power 4600 VA Battery capacity 4 kWh Battery voltage MIN MAX 42V 56 V Constraints on battery use depending on the state of charge and temperature Battery storage constraints CE marking Both the battery and inverter have CE marking confer external document M
127. connect switch to charge and discharge have not showed evidence of important over voltage on the DC bus 60 V Tuesday 21 October 2014 205 UP a DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat z INNOVATION FOR ENERGY NETWORKS Safety chain Wherever possible some safety chains of the battery were tested example hardware redundancy too important current All tests showed a proper operation Internal communication The system has two communication links e Between the inverter and the outside link to set the operating point and send alarms for example e Between the battery and the inverter this link allows the battery to send over time its voltage and current limits Although this link is not a safety feature as the loss of sucha link does not stop the monitoring of the battery by the BMM it allows the inverter to meet the charging and discharging constraints The loss of the communication link between the battery and the inverter causes a complete system shut off charging and discharging powers are then null However the system keeps using the battery to power its auxiliaries see chapter No load losses Such a situation if not monitored or detected results in a significant battery discharge and can if prolonged cause irretrievable damage to the battery Re establishing communication leads to an automatic system restart The loss of the communication link between the i
128. container is installed on a plot elevated relatively to the adjacent roadway Separated from the road by a concrete gutter 80cm deep and 60cm wide 4m away from the boundary of ownership Enclosed by a wire fence 2 3m high Given the fact that this location of Carros has never experienced this type of accident and the street is not busy the risk is considered very unlikely to occur Lightning This risk is prevented by the implemented anti lightning system Direct protection primary protection device capturing lightning current low impedance grounding protection against indirect effects secondary protection which prevents the risk of malfunctions due to surges through the implementation of various measures lightning arrestors earth connections The entire storage area is connected with neutral earth ground 1 O and interconnected earths no identified risk Fire of a building or facility nearby To remove the risk of a domino effect following a fire close to the container SAFT recommends that it should be at a distance of 9 m such that the radiation will be less than 8 kW m This recommendation is not feasible on the site but it is considered that the 3 m that separate the battery from the next building primary substation building and the PCS container are sufficient given the very low fire risk linked to an intrinsic defect in the battery and the risk from bushtire or motor vehicle collision Firefigh
129. converter enters the SLEEP State SLEEP Tuesday 21 October 2014 165 M si 9 DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lat INNOVATION FOR ENERGY NETWORKS During this state DC and AC contactors are opened and the PCS is disconnected from the grid 7 SUNSYS PCS returns in SWITCHED OFF State after the EMS resets the SLEEP State ALARM During this state only HMI is supplied by aux AC while Converter Module is switched off the Battery is always disconnected 8 If EMS sends Alarm Reset HMI tries to reset the alarms using MBMM Faults Reset or BMM Faults Reset procedures If procedure of reset can be performed then PCS jump to SWITCHED OFF State otherwise remains in this state Active Alarm In case of active alarm the system enters the ALARM State from any other state Alarm can be generated by the SUNSYS PCS or by the Battery SUNSYS PCS Alarm can be activated from HMI or from the Convert Module Battery Alarm is activated only in case of MBMM in Safe Mode This is considered as a critical condition All other alerts reported by the SAFT batteries without Safe Mode active are in turn reported by the SUNSYS PCS but do not cause a system stop Tuesday 21 October 2014 166 JAI OU DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas tu lat Ph f INNOVATION FOR ENERGY NETWORKS OPERATIONAL State Machi
130. cting IEC 61000 4 7 Class l Class A as per IEC 61000 4 30 Voltage harmonic Measuring range H2 H51 Current harmonic Measurement steps 200 ms 10 min 1 h 24h Measures respecting IEC 61000 4 7 Class l Class A as per IEC 61000 4 30 Phases unbalance Class A as per IEC 61000 4 30 Tuesday 21 October 2014 40 IU DEMOS6 dD6 6 Halfway assessment of the smart solar district GRI V EU et ai memes FOR ENERGY NETWORKS Distortion power As per IEC 61036 class 2 Shape logged in case of a voltage or current Shape of the voltage and current wave event Before the installation of the ALPTEC 3000 in July 2014 the Dock Trachel substation was already fitted with a monitoring system Indeed an ALPTEC 2444i had been installed for around two years It monitored the rapid variations of the power needs 3 second step values to evaluate the performance required of the systems that will be installed for the islanding experiment including the battery inverters Despite the number of parameters logged by this system it was not able to give a description of the state of the grid that differentiated the state of the different feeders thus its eventual replacement by the ALPTEC 3000 A feeder by feeder description is indeed necessary to the project in this district This is due to the fact that this substation distributes the electricity to the largest PV producers of the project and that each of them has their own ded
131. ction Strategy Command and then the Authorization to Close After DC contactor is closed SUNSYS PCS modules are supplied by DC voltage and the MBMM is in Nominal condition the SUNSYS PCS jumps to BATTERY READY State BATTERY READY During this state the DC contactor is closed and converter module switched on If all grid checks are successfully completed SUNSYS PCS informs the EMS that ECSE is ready to Start 3 In case of Contactor Opening Required on all BMMs or in case of Switch Off command from EMS the SUNSYS PCS sends the Opening Command and goes back to SWITCHED OFF State 4 When EMS sends this Operation mode Enable command the ECSE jumps to OPERATIONAL State 6 In case of inactivity of the PCS no set point sent by EMS during 30 minutes and low Battery SOC the converter enters the SLEEP State OPERATIONAL During this state the DC contactor is closed the AC contactor is closed and the SUNSYS PCS is connected to the grid and starts operating according with the set point sent by EMS 3 In case of Contactor Opening Required on all BMM or in case of Switch Off command from EMS the SUNSYS PCS sends the Opening command and goes back to SWITCHED OFF State 5 When EMS send the Operation mode Disable command ECSE jump to BATTERY READY State 6 In case of inactivity of the SUNSYS PCS any set point sent by EMS for 30 minutes and low Battery SOC the
132. ctricity consumption and production data of the participant customers The confidentiality of customer data Measures to be taken if the customer no longer wanted to take part in the project Measures to be taken if the customer wanted to sell their house 4 1 11 PV installations performed and feedback The implementation process of the PV panels was satisfactory on the following points e In its technical assistance measures the support of the CSTB is a major asset for EDF Tuesday 21 October 2014 229 UP a DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal z INNOVATION FOR ENERGY NETWORKS This support is a real guarantee of trustworthiness and neutrality which encourages customers to agree to take part in the project e n the content of the commercial offer aiming to reduce the payback period for the PV installation to at most 6 years e In performance of the works since worksite visits and audits effectively made it possible to eliminate negligent installers and nonconforming equipment However the economic and political environment is not conducive to PV installation The electricity buyback price fell constantly during the first two years of the project as well as the tax credit from which customers benefit The great majority of the identified potential customers intend to materialize their choice of PV equipment For the 24 customers identified the ratios are as follows 30 s
133. d by an electrical control office It consists of a derivation panel downstream of the tie breaker general equipment for control and protection as well as a panel located next to the storage system No battery pole is connected to the ground the earthling connection scheme on the AC side is a VT voltage transformer Installation instructions for each component are described in manufacturers documentation A training session for the installer is planned in September 2014 to present the procedures and the installation of the full system Information to the Distribution System Operator for the connection All the needed information is available single line diagram inverter power The connection principle is similar to the one for a classical load Safety data sheet The battery safety data sheet is provided by the supplier confer external document 13 2400 mu outdoor intensium home v2 fr pdf Functional description The functional description is not mandatory for the tests Emissions description The main component most likely to release emissions is the Li lon battery In normal operation no Tuesday 21 October 2014 200 ol a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU ae eee T INNOVATION FOR ENERGY NETWORKS emission is released On accidental operations fire released emissions are described in the battery safety data sheet It consists mainly of carbon mo
134. d in selected districts that correspond to the seven solar districts of the project as well as some neighbourhoods with a high penetration of electric heating These meters now provide the project with data streams that consist in 10 minute points which is consistent with the decree that deals with 10 minute averages However these data points are only retrieved to the server on a daily basis Voltage measurements at 10 By default voltage is only measured when it is out of the 230V 10 range This is a way of Saving on storage space This means that the resulting curves are holey as no data is recorded as long as the voltage is within the 10 range Such a figure can be found below pen Voltage measurementat 10 for a one phase meter 250 240 230 220 Voltage Phase 1 210 200 y 190 Time 13 06 2014 00 00 13 06 2014 06 00 13 06 2014 12 00 13 06 2014 18 00 14 06 2014 00 00 Figure 19 Voltage measurement at 10 for a one phase meter Tuesday 21 October 2014 28 a Gr DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fu lat d n INNOVATION FOR ENERGY NETWORKS If the meter is three phased then it will log the voltage of the three phases every time one of the phases is out of the acceptable range Voltage Voltage measurementat 10 for a three phase meter V 250 240 4 T 7 Voltage Phase 1 230 7 _ 220 Voltage Phase 2 210 4 Voltage
135. dary substation The transformer of this substation is currently a 630 kVA transformer but it is oversized and a 400 kVA OLTC transformer will be enough The fact that the building currently accommodates a 630 kVA transformer assures us that it will be large enough for a 400 kVA OLTC transformer even though the OLTC modifications make it slightly bigger than a classic 400 kVA transformer The detailed technical specifications of the current transformer are included in Section 2 3 last figure of the section it has a transformation ratio of 20 KV 410V with three taps that give it a 2 5 operation range however those taps cannot be changed on load Moving to a 20 kV 404V 8 OLTC transformer will thus clearly improve the performances of the substation The figure below displays the schematics of the future installation including the cables that will pass underneath the technical raised flooring Tuesday 21 October 2014 222 IU OU DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas tu lat fta 4 INNOVATION FOR ENERGY NETWORKS 230 V AC Line LINKY Concentrator CPL Line under the floor T101 and power supply Transformer control box LV panel ITRON meter Figure 77 Plan of the Cailletiers secondary substation TIPI General LV distribution panel IS Switches FUS Fuse 3 4 4 Conclusion The on load tap changing transformer that is going to be used in the NICE GRID project will be
136. der A halt in reception of TIC frames by the gateway causes resetting of the set point value by the gateway after the time defined by the Watchdog An alarm is sent to the PFD Inverter Battery When the communication cable linking the battery to the inverter is disconnected battery charging or discharging stops and the inverter goes to alarm mode Electric power outage This test has not yet been performed Data measurement and collection Energy measurements Verification of the measurements reported via the gateway is in progress Alarms During the various tests the alarms related to malfunctions were suitably sent to the PFD In particular one of these alarms made it possible to identify a problem at the battery level which is being dealt with Efficiency of the inverter battery system Tuesday 21 October 2014 257 UP a DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat INNOVATION FOR ENERGY NETWORKS The overall efficiency of the complete system including the power supply for auxiliaries will be calculated at the end of the tests 4 4 Conclusion The implementation process of the PV panels was satisfactory on the following points n its technical assistance measures the support of the CSTB is a major asset for EDF This support is a real guarantee of trustworthiness and neutrality which encourages customers to agree to take part in the project In the content
137. district GRID EU Mas fu lat a TE INNOVATION FOR ENERGY NETWORKS To manage the grid and ensure the respect of the different constraints ERDF needs to carefully monitor the grid In this deliverable we look at the different measuring devices used in NICE GRID and then use them to assess the evolution of the voltage on the grid in the project and to analyse the efficiency of the voltage control methods tested in the project 2 2 2 Potential impact of customer engagement on the voltage Voltage and load curve Historically the French network was built to transport the electricity from a few large producers to a great number of consumers This led to the creation of a distribution network designed to supply electricity to the consumers connected to the medium or low voltage networks Thus as every consumption of electricity leads to a decrease in the voltage one of the main issues when building the distribution network was to ensure that the voltage did not drop under 230V 10 Indeed the only increases in voltage between phase and neutral were due to the network phases being unbalanced and they were rare This paradigm is now changing as the penetration rate of the production on the distribution network is increasing namely thanks to PV production When the penetration rate is high enough production can at certain times overcome consumption on a low voltage feeder leading to an increase in voltage rather than a decrease As th
138. done by AMEPS for primary substations and AREX for the MV and LV grid ACR can call on technicians from AMEPS and AREX to intervene on site and the technicians have to report to the ACR DEIE DEIE Dispositif d Echange d Information Exploitation Device for exchanging operating information The DEIE is a communicating device installed between a renewable energy generator connected to the MV grid and the Regional Control Center ACR Its functionalities are Displaying U voltage P active power and Q reactive power Coupled decoupled state lts order abilities are Decoupling Limitation of generation power to a set value P and Q Modification of the automatic isolation during works under MV voltage Load shedding request Within the NICE GRID project the DEIE allows the ACR to remotely switch off the power supply circuit of the PSB storage asset Islanding In the NICE GRID project islanding consists in disconnecting a secondary substation feeding 12 commercial clients from the main grid and supplying it only with a Li ion based storage asset and installed PV generators Linky meter Linky is a communicating meter which means that it can receive and send data without the need for the physical presence of a technician Installed in end consumer s properties and linked to a Tuesday 21 October 2014 111 a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal z INNO
139. e On Grid application In this project the SUNSYS PCS 33TH is associated with the following equipment Lithium lon batteries their management system gt SAFT BPL Modem Field Control Unit FCU gt ALSTOM So a part of the tests plan was dedicated to the compatibility between these equipment and theirs interfaces In the real application of the Nice Grid project all these equipment will be integrated in 3 10ft containers of 33kW and 106kWh like illustrated by the following figure Low level signals General Distribution Panel AC cables routing routing Circuit Breaker grid connection enciosure DC cables routing Power Converter System Fire Safety System Li ton Batteries String For the preliminary tests described hereafter the devices were not integrated in the container and were not associated with the additional auxiliaries like the HVAC Air conditioning and the FSS Fire Safety System The full tests of the container will be performed in September amp October 2014 after its construction in the SOCOMEC factory and in Concept Grid EDF R amp D laboratory These tests are not critical in case of gap with the expectations because the impact will affect only the logical sequences easy to solve Tuesday 21 October 2014 121 DEMO6 dD6 6 Halfway assessment of the smart solar district AGDP AID or AIP BMM BPL CAN CB DSO ECSE EMS ESSU FCU FSS GDP HMI HVAC IMD IMR IM
140. e LVGB storage assets which could be difficult to find Regarding the PSB storage asset it has been installed on a field owned by ERDF the storage asset on the primary substation field For the other storage assets as described in the last section it is more difficult because ERDF does not own any sites on the low voltage area Another important step is to meet the architects of the municipality Here the architect of Nice C te d Azur NCA had to be consulted For these storage assets they demanded a trees hedge in front of the storage asset This step is relevant for sub urban area In Carros the site selection has also to comply with the flood protection plan fire protection and environmental requirements DREAL and ICPE Declaration Two preliminary administrative steps regarding environment shall be conducted a declaration to the DREAL an administrative body representing the Ministry of Ecology Sustainable Development and Energy at the regional level and an ICPE declaration Declaration to the DREAL The Regional Directorate for Environment Planning and Housing DREAL represents the only driver at the regional level for the implementation of public policies of the Ministry of Ecology Sustainable Development and Energy Under the authority of the regional prefect DREALS are responsible for developing and implementing government policies on climate change biodiversity construction urban planning transport infrastructu
141. e Meter in the middle Meter at the end of substation of the network the outlet Voltage variations over time Phase 3 Voltage Colombie substation V 250 4 245 4 240 4 235 4 PAAR 230 LA Y C 225 K An ba 220 4 215 4 210 4 L 205 4 200 T 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 Time Meter at the Meter in the middle Meter at the end of substation of the network the outlet These figures show how the voltage variations tend to grow proportionally the further we get from the substation As mentioned previously the voltage variations at the substation are only due to the MV variations The subsequent variations are due to the different customers producers and consumers connected to the low voltage network upstream of the meter which explains why the end meter displays the most important variations lt is also possible to observe the evolution of the three phases on each meter Tuesday 21 October 2014 46 DEMO6 dD6 6 Halfway assessment of the smart solar district INNOVATION FOR ENERGY NETWORKS Voltage variations over time Substation meter Colombie substation Voltage V 250 245 240 e mn Aie A AT Pen VEN VA 70 n NY AA NE ines yy SAT ur 230 d nem Ni AAAA V ed ET ds AVAIT Ver NAT pi ae a th HATA inm V 225 210 215 210 205 200 1 T r T T T y T T T T cr T T 7 7 T T F q T 23 06 2014 23 06 2014 23 06 2014 23 06 2014 26 06 2
142. e been validated with the same process These are the windows of Assist Software used to control all MBMM data during running Tuesday 21 October 2014 162 DEMO6 dD6 6 Halfway assessment of the smart solar district 4 GRI 1 x Bh Tes E a INNOVATION FOR ENERGY NETWORKS Ceacr ton Ace ndm v t l LA re ra vin 10 mnj O fenery Vst SOC _svatatte SOC owed MA z27 9nucus vo LE Toutes iioa T n Module vun uva Batany2o2azV2 mge Bytery Qnae a Correr Bata 2 22 ste Buu Opeenghenured t t BUM Opesmghecpsrect_ 17 32 BUM Oseengbengureg 35 49 H SUM corrected BUM eiftestCucy erwei M SuM in parate H SM dwconnecta M BAM necu eco Zo BanerrOrsss V ten DeteryGr2a3 cell an Arteont_ ereershre Tex Cassectona Tren_Cateectors 4864 45317993 Oct 200 Modus Address Ox1220 42325 5313055 1221 Modus 632 8 0x1222 Motive 231093 01223 Modius A12 88 0x1224 Motive Address 0x 1225 kadhas Address 01226 usdfus d tens Ox1240 Modbus Address Gxt Dat Wadfus d ress Ox 242 V 531055 Que Modos Address Ox 2 0 totus 531055 Ox 1 2512 Vadfus Adaowes Ox 204 Modbus Adtresa Ox 28 Modiue 632985 Coct 208 Modus dtrees Ox126T7 toting 5319895 12530 Madfum Address Ox 251 DTA 230955 0123 Madius Address Ox 1205 odios 531093 061295 Modius Actress Cx 1705 Vodiue 531093 Ox 1206 Usifiwe 4337088 01297 Modes Address Dx 1235 TPOO 3 aiba TTDO 3 tases TFDO 3 210e TPDO fa2
143. e described in the internal confidential document M208 SCARICA BATTERIE doc Tuesday 21 October 2014 182 N si a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal z INNOVATION FOR ENERGY NETWORKS Abnormal functioning tests Communication Fault Date of the tests January 2014 If during the battery charge or discharge the communication between e Converter and gateway is cut off the module switches off in few seconds e Battery Cabinet and gateway is cut off the module switches off in few seconds e Gateway is switched off the module switches off in few seconds In all these cases the alarm on display is A23 Battery Communication Fail memorised alarm Tuesday 21 October 2014 183 DEMO6 dD6 6 Halfway assessment of the smart solar district A ESI EXT State Alarms Status Word Alarms Word Warnings Word Value Description WatchDog Alarm Battery Overvoltage Battery comunication fault Battery Alarm Thermal Protection Active Thermal Protection Active Conclusion The test has been succeeded All the details are described in the internal confidential document M208 ABNORMAL TEST doc Major alarms and minor alarms Date of the tests January 2014 Value Description Acro 4 System General Alarm 4000 2D External Shutdown Activated 4001 20 leak fault 4002 0 leak sensor fault 4003 0 Low In
144. e insulation material PVC electronic cards but these are not specific to the use of a lithium ion battery Cut through presence of voltage on an accessible area normally not under tension Evolution of liquids In terms of liquid effluent in normal operation the system of energy storage itself generates no liquid discharge Under fault conditions leading to a degradation of the storage system there is no liquid waste External risks These risks are associated with the external environment Cataclysms Earthquakes hurricanes volcanoes floods dam failures falling aircraft Storage is located in an area not subject to these risks Even if one of these major events was to cause the ruin of the storage system the loss of the system would only represent a small fraction of the total damage of the disaster Lightning Soil quality Malicious act Bushfire Road accident Tuesday 21 October 2014 93 el DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU a Milai ful lat n INNOVATION FOR ENERGY NETWORKS Implemented measures Fire Each container is equipped with a system for detecting flames heat and smoke as well as sprinklers when needed If for some reason the cells had to climb to a temperature above 150 C for over 15 minutes the fire protection system would operate by releasing nitrogen in the container Figure 44 Fire Suppression System FSS Evolution of liquids In case
145. e network was not designed with this possibility in mind the 230V 10 threshold can sometimes be breached this is even more likely in areas where the balance of the phases has not been respected The fact that most of the production connected to the low voltage network is PV makes this even more likely Indeed PV production tends to be installed in residential areas where the demand is quite low when the PV production is maximal midday Power Household consumption PV production Time of the day Figure 16 Consumption and production curve The importance of the residential areas when it comes to the integration of PV production is reflected in the NICE GRID project by the presence of six residential areas among the seven solar Tuesday 21 October 2014 25 ICT ne DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS districts of the project In each of these solar districts the project is experimenting innovative ways of matching the solar production curve with the demand curve in order to mitigate the risk of overvoltages While new technologies are necessary to the integration of PV production the project lays the emphasis on the importance of engaging the customer in the process Engaging the customer Engaging the customers and having them participate in the experiments is one of the main objectives of the NICE GRID project Indeed whi
146. e values of 7 rank voltage harmonic seem a bit higher Figure 13 0 05 H7 voltage harmonic V1 0 045 0 04 0 035 06 11 2013 07 11 2013 0 03 08 11 2013 09 11 2013 0 025 Ms Fai Ay 10 11 2013 RY 11 11 2013 zs a BD 22 1 2013 amp AA UM JY 13 11 2013 NW 14 11 2013 0 015 MS UN MON NC j AN IND Y JA 15 11 2013 A 16 11 2013 X KES ee w AAA VID Prices 0 005 VS NJ S HEBESSSHSSHBEERSMEEHERUHBHSBSEHBBSHSHEHSSRBEIHBEHBHEHBSENMIBBHEBHHHBHBHHHAHWBHBHHNHEnHHEBEHE PESSESSSSSRSSPSSSSSSSESSSERSSSESSES SR SSSERSESCSESSER EE soo S Q OO OS 0 0 0 CC O0 9 D OS ee OO Se CO oO Se SO CO Se SO OO OO Se OS OO CC 0 2 SO OO OO ee CO OS CO Se SMFSERSEMNSHRSMASRSRSEMESESRASESARARRERSMSRSASRARSSMRESRSHRERSAES S Seo e e nn mom ec cC tow Hv D M 9 Quo Q m em nn ec M TO OT wW ww P MF m m e mos nm m e 22 2 20 Occ OD oo 6 2 2 2 05 GO Q Se e m rom ce e e 0m ov v o0 om c9 c v oc om NNN c c n rn oc th h Figure 13 H7 voltage harmonic V1 November 2013 from 6 to 17 When we have a look at the load curve at the substation Figure 14 we can see that these days correspond to lower consumptions and a priori larger productions 300000 Consumption at the substation 01 11 2013 02 11 2013 03 11 2013 04 11 2013 05 11 2013 06 11 2013 07 11 2013 08 11 2013 09 11 2013 10 11 2
147. e variations of voltage on the three phases are synchronised and very likely to be created by each other The next figures focus on the 23 06 2014 and allow a comparison of the evolution of the aggregated load and voltage on each phase Voltage over the different phases at the end of the network sal Colombie substation 23 06 2014 HR Wy y Time 200 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Phase 1 Phase 2 Phase 3 Load of the different phases LINKY Power Colombie substation 23 06 2014 W 18000 16000 14000 12000 10000 8000 v i 6000 5 ar D 4000 2000 Time 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Phase 1 Phase 2 Phase 3 If we analyse the evolution of the voltage by looking at the load curves aggregated by phase it is possible to explain the global shape of the voltage curves The minimum in voltage of phase 3 is reached exactly when the load on this phase peaks At this moment the system is largely unbalanced as the load on phase 3 is roughly equal to the sum of the loads on the other two phases This unbalance explains the fact that the voltage on phase 1 and 2 peak at the same time to compensate the drop in voltage on phase 3 On a more general note phase 1 is the less loaded of the three phases and quite logically displays the highest voltage curve The fact that the voltage on phase 2 sticks closer t
148. ect at the feeder level Five of the fifty three LINKY equipped consumers of the Cailletiers feeder studied in Appendix are participating in the summer experiment The previous section gave us an estimate of the average load shift that is achieved by each of them and we will now assess their effect on the global load of the feeder The figure below plots the consumption of an average customer on a normal day blue and on a solar day red all customers are aggregated whether they are engaged or not in the project Power Consumption of an average customer in Cailletiers and effect of solar days e S S S S S e S S e S Ss S e e e e e e ge e e e S PP PP LY LT qd PP PP qd qd LT LT dv LL LL LT d d F YF TF o HF Oo F HT FT QU GS KY KF S YF FF FTF FT FF FF TF KY VY Time Normal day Solar day This figure shows that even with only 10 of the consumers engaged in the project the effect on the load curve is already noticeable Conclusion This analysis focused on the impacts of incentivising a customer to shift its consumption to the afternoon on days of important solar production It showed that even with only 10 of customers engaged in the project we already have results that can be noticed by looking at aggregated curves Tuesday 21 October 2014 59 JA 9 DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lat INNOVATION FOR ENERGY NETWORKS Looking at the volume of load
149. ection mode when the SOC reaches a critical low threshold SOC_CRITICAL whatever the operating mode default preparation power it gives the inverter the order to recharge the battery to a power of FLOATING_POWER or higher value if the current mode requires recharging the battery This recharging is stopped when the SOC reaches SOC_MIN Moreover the inverter also has its own parameter determining the minimum value of the SOC authorizing battery discharging Below this value which is set to a point lower than the SOC_CRITICAL the inverter stops any discharging Finally below 3 for more than 5 min the inverter is switched off and a manual action is Source EDELIA Tuesday 21 October 2014 246 QUIS a DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat z INNOVATION FOR ENERGY NETWORKS necessary to restart it No circuit breaker tripping When the battery is recharging it consumes energy on the grid This consumption is added to that of the customer in whose home the battery is installed Charge management must take into account the total consumption of the house with the battery to prevent exceeding the customer s contract power and thus causing circuit breaker tripping of the installation When it receives consumption data from the MC11 every 3 min in theory the gateway checks that the power consumed does not exceed the contract power given by the Linky meter and adjusts the battery
150. ed for positive HJ 45 connectors with caps Battery Management Module BMM bh c I LET 24M Communication modules wires Figure 78 SAFT indoor battery Power cables of 50mm Color code is represented to connect the BMM Black for negative and red for positive Switch disconnector mS HT 230Vac terminal blocks Humidity controller Main grounding Insulator to connect the cabinet Thermostat Color code is represented Black for negative and red for positive Tuesday 21 October 2014 243 a Gr DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU acl ut df am INNOVATION FOR ENERGY NETWORKS Figure 79 SAFT outdoor battery SMA Sunny Island inverter The SMA inverter serves as the interface between the battery and the electricity grid In particular it is this device which controls battery charging or discharging according to requests from the gateway taking into account the real time operating parameters provided by the battery itself It is a 6 0H Sunny Island inverter equipped with its wired remote control SRC Sunny Remote Control cf documents 6 and 7 Rated power AC 4 6 kW Rated input DC voltage 48 V Battery types Pb FLA VRLA Li lon Capacity range of Li lon batteries 50 to 10 000 Ah European efficiency 94 396 Consumption Standby lt 4 W Open circuit and discharge lt 27 W
151. ehave in the same way during the evening leading us to think that a similar number of customers are connected to them but they display a gap during the afternoon that is probably due to the fact that there are more producers on phase 1 This production leads to the unbalance of the phases during the afternoon and indirectly to the voltage gap Tuesday 21 October 2014 53 i GT DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat at a INNOVATION FOR ENERGY NETWORKS Voltage variations over time Phase 1 Volt i oltage Lou Souleou substation V 250 4 245 240 4 235 4 210 Time 23 06 2014 OC 1 c o 23 06 2014 18 00 24 06 2014 00 00 Meter at the end of the outlet SM z 0 d u In the end on this feeder it proves quite easy to explain the voltage variations via the unbalance of the network The link between high voltage and low load appears quite strongly and proves resilient to variations of the load during a large part of the day Still this also means that the penetration of the production on the feeder is too small to create issues of high voltage as the unbalance of the three phases remains the main driver of the voltage variations Lou Souleou substation Feeder 0603300742 This feeder connects 41 customers to the grid Thirty seven of these customers are equipped with a LINKY meter Two of these customers are producers both connected to phase 1 The data we
152. ei B CD D CS E Wi S u el Dd cubo gom M mm or mm M cp xy TT L ow Time 3 sec 174 JA a DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS The test is passed because the battery current IMR continuous is limited from the MBMM if the voltage control is faulty Measure the time from the MBMM limitation to the real current reduction Set point limitation during battery discharge In the picture below it is possible to see the time from the moment when HMI recognizes the change of current limit to the moment when the current is limited 80ms Every 400ms HMI received from Gateway updated current measures so the maximum delay to recognize a setting modification is 400ms so the maximum delay to have the real current modification is 400 80ms Fle Edk Vertical Horz Acq Trig Display Cursors Meagre Masks Math MyScope Utities Help coD Curs Pos U US Curs Pos T br IMD from 400 Al default to 20A new limit gt from 36KW to 12KW Tuesday 21 October 2014 175 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID4Eu mt db INNOVATION FOR ENERGY NETWORKS Set point limitation during battery charge In the first picture the recharge current limit IMR_continous is that imposed from MBMM 64A IMR continous is set to a new value of 20A In the oscilloscope screen shoot it is possible to analyse this vari
153. eliability regarding TIC data transmission between the MC11 and the gateway Heception problems were a priori attributed to the disturbed environment of the laboratory but it was decided to investigate this point in greater detail during the validation tests The limitations of the prototype compared with the planned final version historical TIC poor transmission between the MC11 and the gateway meant that improvements were considered in order to increase the robustness of the algorithm in degraded operation 4 3 3 Description of the installations and the test instrumentation Two installations have been made to operate the test see pictures in Annexe 2 In the Multi Energy Home MM E laboratory This laboratory has an acquisition system which measures continuously every 10s the average battery charge and discharge power values and installation injection and extraction The electric power supply is single phase The Linky meter of the L G brand is configured in PEAK OFF PEAK tariff with off peak hours from 11 00 pm to 7 00 am The battery cabinet used is of the indoor type The following diagram shows the installation in the laboratory 9 An indoor battery and a outdoor battery have been tested in EDF Labs cf Figure 84 and figure 85 Tuesday 21 October 2014 249 am el 9a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU az ttl T INNOVATION FOR ENERGY NETWORKS T Single phase
154. ency band is high e MC11 Gateway distance since the power of the signal weakens based on a factor of the square of the distance e Length of the sent frame the standard TIC frame being longer than an historical TIC frame the risk of radio collision is statistically higher The operating conditions on the two test sites cannot be considered as critical clean radio Tuesday 21 October 2014 256 a DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat z INNOVATION FOR ENERGY NETWORKS environment small MC11 gateway distance target frame length Reception problems were regularly observed between the MC11 and the gateway These are due to radio collisions on frames not retransmitted broadcast transmission So far no technical solution has been able to be provided Tests in degraded mode Loss of communication Gateway Inverter The cable between the gateway and the inverter was disconnected in 2 operating configurations battery in charging and discharging mode in these configurations the inverter stopped when the SOC reached its operating limits 100 for charging FedlnSOCStp for discharging Gateway ADSL box In the event of interruption of communication between the gateway and the PFD the gateway correctly performs the instructions that it has stored in memory then goes into default mode When communication returns remote control can be resumed Gateway TIC rea
155. ent gratuit pouvant atteindre 6 000 r als par un organisme Propositions commerciales de votre installation ind pendant le Centre d installateurs signataires au r seau lectrique scientifique et Technique du d un accord de collaboration B timent CSTB avec EDF dans le cadre du proget NICE GRID EDF met du soleil dans votre budget k Un nouveau revenu l lectricit produite par vos panneaux photovolta ques est rachet e par EDF au tarif en vigueur pendant la dur e du contrat de rachat k Une r serve d nergie moindre colt stock e un prix avantageux Heures Creuses pendant les heures de plus grand ensoleillement ou pendant la mit dans une batterie install e gratuitement chez vous pour la dur e de l exp rience b Une consommation d lectricit un tarif avantageux entre 12h et 16h pendant les 40 jours les plus ensoleill s de l t 2014 puis de l t 2015 t Un suivi gratuit et d taill de vos consommations et de votre production d lectricit solaire via un service en ligne offert pendant la dur e de l experimentation k Une tablette num rique offerte pour vous remercier de devenir Consormm acteur du syst me nerg tique am compl tur armadas per la berir cin ricum zd sim pr smells var DEF es et Erit che iatale cie pates phia qu ars rbai moment orockectibls se sie nt cee am SO pir dires cun dieu PV aczcrmpargnant de proe et dim corem desperata Cutie cilm ant le kr 71 juilet 2074 A F
156. er Ei 19114 le 2 ER Tm 124 3 2 2 Equipment description ccccecccseecceeeeeseeeceeeeeaeeeeseeeseeeesaeeeeaeeeeas 125 3 2 3 Tests description amp Tesulls eee eiae ehe Hb ee tienne 137 3 2 4 References ses tes oto Sete tiu nee o veo KIDS eee eee 195 3 3 Results of electrical tests on individual batteries 196 Sue COH SORGE a N E SEU I RIIV MUSKIMORU CU HOME 196 CS RAI 1e LES LEZ 197 SC 9 CONCUSSION e E 210 3 3 4 External documents seeseeessessesssseeseeee nennen 211 3 4 Halfway assessment of the OLTC transformer 212 3 4 1 Choice of the OLTC transformer in the NICE GRID project 213 3 4 2 Integration of the OLTC transformer to the project 216 3 4 3 Development and installation of the OLTC transformer 217 3 4 4 Conclusion nnne nennen nnne nnne anne ann 223 4 ASSESSMENT OF THE PV ONSITE INSTALLATION 224 4 1 Review of the PV implementation process and of PV installations D FOMAO RENE EET TE E T EO TT 225 4 1 1 NICE GRID an ambitious photovoltaic power project on a voluntary SE Edi eee 225 4 1 2 Recruitment process established by EDF 225 4 1 3 Description of the Smart solar equipment offer 226 4 1 4 Definition and establishment of the specifications fo
157. er ke cest cin h EL cu PE reram im 4 ierat peor im rin fip tin Harm Plein Heure Creuse L bers menm nace a lle an la Carne Communication document Notices in the town of Carros to raise inhabitants awareness of the project Tuesday 21 October 2014 234 B e DEMO6 dD6 6 Halfway assessment of the smart solar district eDF NICE GRID 1 C EST A CARROS C EST DANS MON QUARTIER INNOVATION FOR ENERGY NETWORKS EDF Soci t anonyme au capital de 924 433 331 Siege social 22 30 avenue de Wagram 75008 Parts 552 087 317 ACS Parts Le groupe EDF ast certifi ISO 14001 mai 2013 3K NICE GRID cr dit photo fotolia L nergie est notre meonir Gcomomisons Ia on QUARNICON S GAIRE INTELL d Tuesday 21 October 2014 235 JA a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mea ou lat INNOVATION FOR ENERGY NETWORKS 4 2 Offers proposed by EDF to customers to encourage the introduction of PV The massive introduction of new energies such as photovoltaic power on the grid creates new challenges for the electrical system which must adapt to receive these forms of production which are intermittent and erratic Strengthening the grid or building production facilities which would back up the intermittent production sources would be possible solutions but they are expensive for the community In the NICE GRID project we are in fact testing an alternative which inv
158. er on once the Network Battery Aggregator NBA is implemented it will be able to send instructions to the four storage assets as well as to aggregate them in order to deliver services for the different use cases Tuesday 21 October 2014 110 QUIS a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat INNOVATION FOR ENERGY NETWORKS 3 1 10 Glossary Agency for Maintenance and Operation of Primary Substation AMEPS This agency is in charge of the operation of primary substations on a 24 24 basis The technicians maintain and operate the primary substations and are involved in the operation of the PSB storage asset Outside workable hours they are able to set the storage asset on safety mode During workable hours they are able to troubleshoot the storage asset Contactor A contactor is an electrically controlled switch used for switching a power circuit similar to a relay except it has higher current ratings A contactor is controlled by a circuit which has a much lower power level than the switched circuit Within the NICE GRID storage asset each ESSU has a contactor Control and operation of the distribution grid Within ERDF grid management is separated between control remotely and operation on site Control is done by the ACR which monitors only the MV grid and primary substations and BECS which is in charge of LV grid and secondary substation ACR is working 24 24 Operation is
159. eter Yokogawa WT3000 An oscilloscope Details about these components Brands models last calibration or reference are described in the tests reports RSTN DC SIMULATOR PCS Tuesday 21 October 2014 137 DEMO6 dD6 6 Halfway assessment of the smart solar district 4 GRIDGEU 4 4 INNOVATION FOR ENERGY NETWORKS Capabilities P Q circular characteristics Date of the tests November 2013 amp January 2014 The objective of this test is to verify that the SUNSYS PCS is able to follow the rated power in the four quadrants P 0 Discharging amp Q gt 0 Capacitive load P lt 0 Charging amp Q gt 0 Capacitive load P 0 Discharging amp Q lt 0 Inductive load P lt 0 Charging amp Q gt 0 Capacitive load The target to pass the tests is an error lt 5 Tuesday 21 October 2014 138 DEMO6 dD6 6 Halfway assessment of the smart solar district d GRII INNOVATION ENERGY NETWORKS P Q CAPABILITY E mn NL tt BEFSNEENNNMANNE pf i tt Ll ee Att tt tt e tt fio tt tt TP ge eee ff fuga pose fo top dde E a e NENNEN BE Vi LLL ui N mn IN Ni LX 1 A A B RM y F Reference Discharge with O lt 0 Discharge with Q0 Charge with Q 0 aim Charge with Q 0 ii fi CENTER eee et a BERNER TT eee SIIN EE Re Pe EE A pt tt NET et TE AT TT Pt Oee TT S Zt CERTA ILL HERUM
160. evice used to opean remotely PEE the main circuit breaker of the storage asset Direction R gionale de l Environnement de l Am nagement et du Logement Regional Directorate for Environment Planning and Housing DREAL DSO Distribution System Operator Energy Converter amp Storage Equipment SOCOMEC Converter SAFT Batteries EMS Energy Manager System NEM amp NBA in the Nice Grid Project Energy Storage System Unit SAFT String Batteries FCU Field Control Unit ALSTOM Tuesday 21 October 2014 10 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID4EU ene FOR a ab HMI Human Machine Interface Tuesday 21 October 2014 BS iE 2 D 5 D 5 9 m 1 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID4EU ene FOR a ab RPDO Received Process Data Object CANOpen NC HN Safety and Monitoring Unit electronic board inside each battery module CN NN Tuesday 21 October 2014 12 QUIE a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat a INNOVATION FOR ENERGY NETWORKS 2 Assessment of harmonics injection and decentralised voltage control functions 2 1 Halfway assessment of harmonics injections 2 1 1 Harmonics injection in a substation with a lot of connected PV production Context The realization of Smart Grids able to accept many low power producers and to implement flexibility both in network operation and
161. f the NICE GRID project In order to handle the massive insertion of distributed photovoltaic energy resources in a specific area the aim of the NICE GRID project is to exploit flexibilities such as energy storage to manage supply demand balance In addition to these residential storage systems the NICE GRID project will mainly test on grid storage demand response and islanding of a low voltage distribution grid Linky NICE GRID installation Meter r 1 i l i Inverter l i protection siia l l panel DES Communication p ue box few Circuit l Fr a l EX breaker I p I porn LT l Derivation ne nel SMA Sunny uu P Island inverter l l RS Fan and battery Sunny Remote heating Es Liu Control des i l power Supply o l l SAFT Intensium x Home battery in an Existing external cabinet l panel Figure 61 Residential energy storage system diagram The systems considered in this case presented on Figure 61 consist of a 4 kWh Li lon battery produced by SAFT and a 4 6 kVA inverter manufactured by SMA These systems are controlled both locally with higher priority and by a centralized management system which manage their aggregation They will be connected downstream of the customers supply location i e in their premises by a 3 party installer assigned by the project Tuesday 21 October 2014 196 niil UNA DEMOS6 dD6 6 Halfway assessment of the smart solar district GRI
162. f the PCS are under construction Civil works are under process in the secondary substation in order to install the PCS and auxiliary cabinets The penetration sleeves under the roadway between the PCS and the battery container have been realised The parallel circuit breaker PCB which will disconnect the district from the main grid during islanding operation has been installed and integrated in a parallel cabinet This coupling cabinet adjacent to the GDP of the primary substation is shown on the picture below Figure 58 Parallel cabinet in the Dock Trachel secondary substation Low Voltage Grid Battery LVGB Here are the main features of the LVGB storage asset The battery and the PCS are integrated in the same 10 feet container 18 French Post company 1 250 kW is the maximum power to be connected to the LV grid Tuesday 21 October 2014 108 er o DEMOS6 dD6 6 Halfway assessment of the smart solar district GRI EU 4 Mala T lat a INNOVATION FOR ENERGY NETWORKS There are two ESSUs per container reaching 106 kWh of energy capacity Each container has a 33 kW PCS Each container is connected to the LV grid and metered with a SME meter Ancillary circuit and power circuit are supplied by the same grid connection Here is the status of the SSB installation by September 2014 The first container which will be tested at the Renardi res research centre is built as shown in the next pict
163. ference between the peak hour or base load price of your electricity supply contract and the off peak hour price applied to your electricity consumption from 12 pm to 4 00 pm during the Solar Days In all cases customers continue to pay for their electricity consumption from 12 pm to 4 00 pm at the price indicated in their electricity supply contract The prices can be looked up on the particuliers edf com website Tuesday 21 October 2014 237 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID a Mai et lat a INNOVATION FOR ENERGY NETWORKS Cas d un dient au tarif Base Cas d un dient avec des Heures Creuses EDITT de habh 12345 67 amp 8 10111213 14 15 16 17 18 19 20 21 22 23 LL Plages horaires 3 Heures Pleines E Heures Creuses Base Heures Solaires Smart hot water cylinder d NICE GRID The SMART HOT WATER CYLINDER experiment began in June 2014 Why is it smart It s smart because it will be charged automatically at the times when the district s panels are productive about 40 days from 1 May to 30 September thereby preventing excess production which could result in some solar panels being disconnected from the electricity grid This recharging takes place in addition to its normal operation at night so there is no impact on the customer s comfort And Tuesday 21 October 2014 238 ol am a DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU 4 Ma C lat Jn
164. g LV network volatile consumers and some producers This type of substation will maximise the use of the tap changer to adapt the primary to secondary voltage ratio of the transformer in real time Given the current repartition of the transformers power in the M diterran e area the OLTC transformer is going to be a 400 kVA transformer Due to the additional devices required for the OLTC feature the transformer will take more space than a classic 400 kVA transformer Its size will be somewhere between a 400 kVA and a 630 kVa transformer 3 4 3 Development and installation of the OLTC transformer Current state of development Given the specifications stated earlier in this report 400kVA 20 000kV A404V 8 9 taps the project selected the OLTC transformer Minera a model developed by SCHNEIDER ELECTRIC The tap changer used is the iT AP by MR Maschinenfabrik Reinhausen it is capable of 700 000 operations before maintenance is required Pictures of the transformer during its development are available below Figure 71 regulation box of OLTC transformer Tuesday 21 October 2014 217 mr 9 e DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU Maa 7 INNOVATION FOR ENERGY NETWORKS Figure 72 Built OLTC transformer ERDF and SCHNEIDER ELECTRIC are currently running tests on the OLTC transformer in order to make sure that it will be reliable both in its transforming role and in its vo
165. ge But this parameter does not seem to have a significant influence on the response times Efficiency The efficiency of the energy storage system can be divided into three categories e The inverter conversion instantaneous efficiency e he charge discharge efficiency of the battery e he consumption losses of the system in waiting mode no load no charge discharge command a The inverter conversion instantaneous efficiency Tuesday 21 October 2014 208 DEMO6 dD6 6 Halfway assessment of the smart solar district GREY memi FOR our tal an SMA Sunny Island inverter Figure 66 Inverter conversion instantaneous efficiency The instantaneous conversion efficiency measurements between the AC and DC sides of the inverter are given in the following table Power kW Efficiency Discharge 0 460 0 88 1 150 0 92 2 3 0 94 3 45 0 93 4 6 0 92 Charge 0 2 0 76 0 5 0 88 1 0 94 1 5 0 96 2 0 96 These measurements are coherent with the data given by the manufacturer b The charge discharge efficiency of the battery SAFT Intensium Home battery Figure 67 Battery charge discharge efficiency Tuesday 21 October 2014 209 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal INNOVATION FOR ENERGY NETWORKS Tests have also been conducted to measure the charge discharge efficiency of the battery The result is that the battery efficiency is 0 96 if the battery is charged with
166. grid storage assets are involved in PV integration as they are located close to PV generators Here are the similarities with the PSB The same storage asset HMI will be used at ACR ACR can open remotely the power supply through a proper ERDF system The control and operation strategy will be the same Regarding operation for example all the technicians will be able to set the storage asset in safety but only two technicians will be able to troubleshooting in workable hours Secondary Substation Battery SSB Here are the main features of the SSB storage asset Tuesday 21 October 2014 107 a a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Ms e flat T INNOVATION FOR ENERGY NETWORKS The battery container is similar to the PSB battery container but it has more capacity 600 kWh It is located on the parking of LA POSTE separated by a road from the secondary substation The Power Conversion Systems are located within the secondary substation building 4 modules of 66 kVA are combined in order to reach 250 kW of nominal power i e the maximum power for a client en the LV grid The storage asset is connected to a direct LV feeder with a SME meter Auxiliary circuit is supplied by the GDP of the secondary substation Here is the status of the SSB installation by September 2014 The battery container is ready to be installed The General Distribution Panel GDP o
167. have at our disposal allows us to plot the evolution of the voltage over time It gives us the figures below The furthest meter on the feeder is 350 m from the substation The figure below highlights the lines belonging to the feeder and indicates the location of the substation middle and end of the network meters Similarly to the Cailletiers feeder this feeder displays a load that is unevenly distributed along the line Even though the middle meter was selected to roughly correspond to the geographic middle of the line the figures make it quite obvious that most of the load is between the substation and middle meters Tuesday 21 October 2014 54 GT DEMO6 dD6 6 Halfway assessment of the smart solar district GRID tu Mas t lat at a INNOVATION FOR ENERGY NETWORKS Voltage variations over time Phase 2 pou Lou Souleou substation 250 4 245 4 240 4 235 4 230 4 225 4 220 4 215 4 210 4 Time 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Meter at the Meter in the middle Meter ihe end of substation of the network the outlet Voltage variations over time Phase 3 ioa Lou Souleou substation 250 4 245 4 240 4 235 4 230 225 4 220 4 215 4 210 4 Time 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Meter at the Meter in the middle Meter at the end of substation of the network the outlet A second feature that should
168. he CAN bus to the BMM Note that the SMU sends data either on BMM request or periodically The BMM collects all the data of all the SMU boards composing the battery system and manage alarms to the customer The table below gives the discharge current limits continuous and pulse 5 seconds versus temperature Tec IMD_ C A Table 4 IMD C and IMD depending on the temperature AN When a full discharge has been performed it is recommended to charge the module immediately within 1 day or if not possible to switch off the BMM in order to stop the internal consumption of battery electronics If one cell is over discharged 2V the battery is out of order and SAFT shall be contacted For lithium ion technology when the cell voltage reaches a very low value the battery may no longer be operational The alarm value includes tolerance but under this limit the battery life cannot be guaranteed Before discharging the battery cabinet it was fully charged SOC 100 Tuesday 21 October 2014 171 QUT TM DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU 4 Be te iat a INNOVATION FOR ENERGY NETWORKS Discharge test at 32KW 55 a EOD DI di hme OL 300600 00 OQ DO EOD DO 230 DU SEM DUO P 2DODD DO 400 00 15000 DG SO DUCI 10080 DG 00 00 DC Current A 5000 00 100 00 ON Dog 5 DCI 100 00 150 00 Discharge time min Time of discharge 3 hours
169. he first container It will be also the first opportunity to tests also all the auxiliaries HVAC amp FSS enslavement Then during October amp November the first container will be fully tested on the Concept Grid Les Renardi res EDF R amp D laboratory site with the consideration of real grid disturbance These tests will be supported by the document M190V_NiceGrid_OnGrid_rev04 docx which is still under construction 3 2 4 References Pe REFO1 REF02 REF03 REF04 REF05 Communication amp state machine SOCOMEC PCS Islanding Modbus Protocol REV 07 specifications between SUNYS PCS amp SAFT battery Specific communication SOCOMEC EnergyStorage Modbus Protocol SAFT REV 03 specification for SAFT battery Specification of the energy SOCOMEC PCS Saft Battery REV 01 storage management of SAFT battery Communication specification NG MCU amp FCUs SOCOMEC Modbus Specification V1 2 between SUNYS PCS amp ALSTOM FCU Main tests plan M190V NiceGrid OnGrid revO4 Tuesday 21 October 2014 195 ol m DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU ailes ttl T INNOVATION FOR ENERGY NETWORKS 3 3 Results of electrical tests on individual batteries 3 3 1 Context This chapter presents the results of the tests conducted on residential energy storage systems which are owned by the project partners and will be installed at individual customers premises as part o
170. he smart solar district GRIDGEU Mas tut lat INNOVATION FOR ENERGY NETWORKS 3 1 2 Characteristics of the Primary Substation Battery PSB This 1 MW Primary Substation Battery PSB storage asset consists of the following elements a1 MW 560 kWh Li ion battery container a20 kV feeder fuse protection switch for connection to the 20 kV switchgear 20kV 500 V 1 MVA power transformer a 1 MW Power Converter System PCS including the PCS control system for Li ion battery charging discharging and monitoring functions Associated auxiliary and protection devices The 20 kV feeder and the 1 MVA power transformer are installed on the site of the primary substation of Carros The PCS and the associated control system are integrated on a 20 feet container The Li ion battery is integrated as well in a 20 feet container i ll n Connected to Ne Intensiur Max od ERDF eniin EE 20 kV cables Saft Li ion Battery Power Converter Transformer 1MW 1MW 560 kWh 1MW 500Vac and 20 kV fuse interruptor Figure 30 Storage asset at the primary substation Composition Battery container a Description The battery and other equipments to manage the system are installed in a 20 feet container A battery module is composed of two parallel strings of 7 Li lon cells connected in series An electronic board integrated in the module allows for manage thing cells balancing sending data such as end of charge o
171. i 100 Figure 50 Selection table nn 101 POUR D LR CU CU EO la einen 102 Figure 52 Main screen of the storage HMI rss 103 Figure 53 Battery box within the storage asset HMT eee 104 Figure 54 PCS box of the storage asset HMT esee nennen nennen 104 Figure 55 Instruction box of the storage asset HMI see 105 Figure 56 Output power box of the storage asset HMI 105 Figure 57 Event Box of the Storage asset HMI eese nennen 106 Figure 58 Parallel cabinet in the Dock Trachel secondary substation 108 Figure 59 Built container at SOCOMEC factory in Benfeld 109 Figure 60 Grid connection for the LVGB near Cailletiers secondary substation 109 Figure 61 Residential energy storage system diagram ss 196 Figure 62 Indoor and outdoor versions of the battery ss 198 Figure 63 Single line electrical diagram iii 200 Figure 64 Safety distance around the battery in MM 201 Figure 65 Example of additional labels sess 203 Figure 66 Inverter conversion instantaneous efficiency ss 209 Figure 67 Battery charge discharge efficiency sin 209 Figure 68 13 2400 mu outdoor intensium home v2 fr pdf ss 211 Figure 69 MPS ZE HK VDE01261A1VFR13 fr 15 d claration SMA conformit bi M E 211 Figure 70 Clas
172. ia defined in cooperation with the CSTB e Definition of communication strategy and the associated resources workforce communication tools events incentives etc e Launch of the recruitment campaign e Analysis and processing of potential customers Tuesday 21 October 2014 225 QUIE a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat a INNOVATION FOR ENERGY NETWORKS e Promoting the EDF commercial offer with the assistance of the CSTB e Customer agreement signature of agreements execution and commissioning of photovoltaic installations and ecosystem 4 1 3 Description of the Smart solar equipment offer The aim was to facilitate customers acquisition of a photovoltaic installation together with a battery throughout the period of the NICE GRID experiment Under the NICE GRID experiment therefore EDF proposes Financial aid of up to 6 000 This amount capped at 6 000 is designed to reduce the payback period of PV panels by six years It depends on the photovoltaic panel installation that will be executed amount production potential etc This aid is awarded to the first 50 signatories of the quote by a PV installer supporting the project and the experiment agreements This offer was valid until 31 July 2014 Results are presenting in 2 11 paragraph Assistance provided by an independent organization Centre Scientifique et Technique du Batiment CSTB A choice of
173. icated feeder Even though the ALPTEC 2444i was not advanced enough for the monitoring of the Dock Trachel substation given the requirements linked to the islanding experiment it proved its utility That is why the Cailletiers substation has also been fitted with ALPTEC 2444i for the past two years and the Colombie substation should soon have its own too 8 TN CARROS os d E x DEN 6 distribution substations e far district EN Cailletiers cS AE PU 550 customers C5 S ust Solar district and ending Bo Modifier dans Google Map Maker Signaler Tuesday 21 October 2014 41 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lal INNOVATION FOR ENERGY NETWORKS 2 2 6 Usage of PowerFactory to extend the results What is PowerFactory Power Factory is a power system modelling software developed by DIgSILENT It has been extensively modified by experts at ERDF to tailor it to the needs of the distribution system operator and namely to the field of opportunities opened by Smart Grid applications The distribution network and its characteristics geographical as well as technical are wholly modelled in the software that can run calculations to assess the state of the network given a set of consumption and production curves It is even capable of running asymmetrical calculations on the three phases of low voltage networks using the phases given by the LINKY meters The outputs can be c
174. igned the agreement with EDF and are or will be equipped with PV panels 46 customer s decision pending 13 dossiers in the process of invitation to tender from the panel of installers 11 did not follow up These few customers identified by EDF as potential customers then assisted according to the scheme in the end did not materialize the installation of photovoltaic panels on the roof of their house The reasons why these customers pulled out are of two orders financial because the cost of the customer s investment is not compatible with their available cash at the time about 5000 to 6000 technical because in most situations it is necessary to confirm incorporation in the building to cut out the under tile sheeting and this can create fragility in the roof waterproofing system Moreover the gestation of a potential customer s dossier takes a relatively long time given the various stages required until the customer s final decision making process Three main periods can be noted The first period involving setting an appointment for the CSTB s technical visit taking into account the timetables of the customer and the CSTB and weather conditions covers about fifteen days Then compilation of the technical dossier after the visit sending it to the installers the time allotted for their replies analysis on return by the CSTB and finally sending to EDF for transmission to the customer takes around five weeks
175. ins in some cases which only represents a 30 W error Measurements accuracy The deviation between the real measurement and the information sent by the system is given in the following table Power instruction W Tuesday 21 October 2014 2000 2300 2530 2760 3680 4600 Discharge Deviation measured power displayed power displayed power 1 98 2 2 4 2 2 5 207 niil UNA DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lal INNOVATION FOR ENERGY NETWORKS Charge 1000 5 4 1050 4 2 1100 5 2 1300 3 45 2000 4 5 The deviation between the measured and the displayed values is in the tolerance range of the sensor This shows that the power information displayed by the system is a good indicator within 5 which represents a 230 W error in the worse case Response time The transition time from one operating point to another in steady state are measured with a 1 second tolerance The powers are positive in discharge and negative in charge Initial power kW Final power kW Time s Rate kW s 0 4 6 7 0 66 0 2 5 0 4 4 6 2 12 0 55 2 4 6 14 0 47 4 6 0 7 0 66 2 0 6 0 33 0 2 3 7 0 33 0 1 5 0 2 1 2 3 9 0 37 2 3 1 10 0 33 The rate of change seems to be constant whatever the transition carried out taking into account measurement errors We can note a pessimistic value 0 2 kW s The previous measurements have been realized at a 60 state of char
176. interval status operation standby warning error SOC current P charge or discharge power meters etc In the event of a warning or error message sent by the inverter it transmits the error code in real time Summary of gateway prototype development tests In early 2014 development tests for a prototype of the gateway were performed in the MM E laboratory The main objectives of these tests were to Tuesday 21 October 2014 247 E ia o DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU TE AE en INNOVATION FOR ENERGY NETWORKS Validate the choice of management algorithm in order to finalize its specifications Test in real time the SMANET communication protocol with the inverter since EDELIA has no inverter The prototype consisted of a laptop computer under Windows on which the algorithm was run Communication with the inverter was implemented via a radio interface a USB key at the computer end and a box with an RS485 interface at the inverter end supplied by WATTECO Since WATTECO has pulled out of the project a cable connected communication solution has had to be examined and EDELIA has had to include management of the SMANET protocol in its software Since the MC11 box of the prototype was not configured to read the standard TIC the Linky meter was configured as an historical TIC In this mode some data especially those relating to injection are not present A gateway prototype then
177. ion and consumption template curves w 2000 4 1800 4 1600 4 1400 4 1200 1000 4 800 600 400 200 Time 0 i 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Consumption Production Once all the consumers and producers of a substation have their load curve calculations are run and the voltage data is exported lt is then possible to compare the voltage variations of the PowerFactory model with the ones measured by LINKY to assess the reliability of PowerFactory as a modelling tool of our low voltage networks Focusing on the low voltage network voltage variations As no MV voltage data was inputted into the PowerFactory model the voltage baseline at the substation is considered as constant in the model calculations As we have seen in Appendix I this is not the case in real life where the voltage at the substation varies constantly The next figure displays the differences between the two sources of data the PowerFactory calculations and the LINKY measures for the Colombie substation Tuesday 21 October 2014 62 QI ii s E DEMOS6 dD6 6 Halfway assessment of the smart solar district j GRI EU 4 Mala C lat a INNOVATION FOR ENERGY NETWORKS Voltage Voltage variations at the substation meter LINKY and PowerFactory data V Colombie substation 250 4 un Vir ueni Seit N w un lt 23 06 2014 00 00 23 06 2014 12 00 26 06 2014 00 00 26 06 2014 12 00 28 0
178. ional derivation downstream of the tie breaker e Since it is not possible to check the customer s existing installation it must be protected by adding a 30mA differential switch e Overvoltage protection is ensured on the AC side alternatively at the inverter output by a circuit breaker installed in the derivation panel downstream the tie breaker and by another circuit breaker installed in the panel close to the inverter in accordance with C15 712 1 guide scheme for the surpluses injection installations e he overcurrent protection on the DC side is ensured by a fuse in the battery in accordance with the high short circuit power Similarly the protection on the AC side of the inverter ensures a protection on the DC side Finally it is important to note that the conduit between the battery and the inverter has a maximum length of 2m If this conduit is longer than 2m then an additional circuit breaker will be added e Protection against direct contacts is ensured on the AC side by the use of adapted conduits mechanically protected On the DC side the protection is ensured mechanically conduits between the battery and the inverter must be protected and by the fact that the DC bus voltage is less than 60V in all cases e Protection against indirect contacts is ensured on the AC side from the inverter to the grid by a differential protection From the grid to the inverter the protection is ensured by the use of class 2 conduits mechanically
179. ious sections tackled the subject of the LINKY and PME PMI meters that provide the network operator with data regarding the power and the voltage variations These data are critical when it comes to maintaining the voltage within the 230 V 10 range especially if the penetration of PV production is high However the assessment of power quality is not limited to them and parameters such as harmonics rapid voltage spikes and flicker also need to be monitored Indeed even though it is true that the network will need to be better monitored and controlled to mitigate the increases in voltage that can be created by decentralised production these increases are not the only type of problems that can affect low voltage networks in the future New usages such as electric vehicles decentralised production or the management of flexible loads require the use of power electronics that can have a massive impact on power quality On top of the variations of voltage monitored with LINKY it is thus necessary to assess the level of harmonics the flicker and the rapid variations of voltage To monitor and analyse these phenomena 10 minute step recordings are not enough and additional devices have to be installed to log data on a second by second basis The project needed to install such devices in order to complete its assessment of the network behaviour when the penetration of PV production is high The next section will detail these additional equipments es
180. ischarge current IMD By program the value setting is IMD 5A When also the cell voltage of second battery cabinet reaches 2 5V the discharge finishes For over discharge reasons now the system remains in stand by condition unless the cell voltage will be gt 2 7V This slow charge is made by two BMM 35 4 3 P ABNORMAL TEST OVER DISCHARGE V 30 3 9 25 3 5 P 20 kw 3 1 50 36 15 bw 2 7 Max m Voltage cell V e HIN DIM BMM1 2 3 Voltage 5 Switch Switch cell V OFF OFF 0 1 9 lt time gt Conclusion The test has been succeeded All the details are described in the internal confidential document M208 ABNORMAL TEST doc Disconnection battery cabinet during charge amp discharge Date of the tests January 2014 Tuesday 21 October 2014 188 DEMO6 dD6 6 Halfway assessment of the smart solar district 4 GRI EU ass heat tla oe INNOVATION FOR ENERGY NETWORKS Disconnection during battery charging As showed below there are two batteries cabinet connected in parallel in charging condition the IMR continous setting is 76A and the charging current is 45A ven VS femme Deyen Le 1 2d ue ae Fee AO Oo Oe v ru ete Ads bud LD VON are t tons 4 2271 PO IOS IT d bats e FOO ane aber A277 OO ae y ja e tes cater be Lt O aN nu ro rx Pe feta eel Our pren i he one ee VOO m te
181. istrict GRIDGEU a Mia i t lat n INNOVATION FOR ENERGY NETWORKS Voltage Impact of the engaged customers on the voltage variations of Phase 2 between the V end meter and the substation meter 45 35 4 B 15 D 5 S ADF T Y eA Z AN pp an sif c 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 Time No customer 3 customers 5 customers engaged engaged engaged Voltage Impact of the engaged customers on the voltage variations of Phase 3 between the V end meter and the substation meter 15 4 el 5 15 TES ART Nc 00 00 2808 2034 08 00 j5 08 2014 12 00 28 66 2014 18 00 Time No customer 3 customers 5 customers engaged engaged engaged The impact of the load shift is quite clear on the voltage curve with a fairly large drop in the voltage of phase 2 during the 14 00 16 00 period Of course voltage on the other two phases goes up to compensate These results were obtained on a feeder to which the equivalent of twenty four four times six producers are connected The results of the simulations show that having three customers with an electric water heater shifting their load is sufficient to reduce the voltage increase by 10V for around one hour while having five of those customers can allow you to negate any increase in voltage for the same duration However the voltage increase lasts for several hours in total so more customers would be needed to compensate the production during the
182. ks voltage harmonics are lower on November than on October There is a slight increase in 5 rank voltage harmonics between November 6 and 7 but since these levels decrease for the rest of the month and do not correspond to an increase in production we cannot conclude on the origin of this low increase On the other hand we can see a very slight increase of 7 rank voltage harmonics on days where consumption is more negative a fortiori higher production These data do not support the hypothesis that connecting a 140 kWp PV producer impacts the harmonic levels but encourages us to monitor these phenomena with more data including production data and data for each feeder and on sunny summer days Tuesday 21 October 2014 23 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID TEU T e eres mp ENERGY NETWORKS 2 2 Measuring devices installed and decentralized PV 2 2 1 Introduction ERDF is responsible for the quality and the continuity of the electricity supply in France Thanks to its management of the low and medium voltage networks the quality of supply in France is one of the best in Europe Still the company has to keep investing and innovating namely in order to adapt the network to the ever increasing penetration rate of renewable production on the distribution level Several indicators have been implemented to assess and improve the quality of the electricity supply The Crit re B is one of the be
183. le technologies such as batteries can be used to move part of the production to the peak consumption period engaged customers can move some of their consumption to the production period without requiring complex devices such as batteries Moving consumption so that the load better matches the production on the low voltage network is an efficient way of mitigating the risk of an increase in voltage Indeed it can prevent the production from overcoming the demand This highlights the tight links that exist between local load curves and local voltage variations as well as the importance of the social dimension of the project for its scientific results Power Engaged household consumption Time of the day Figure 17 Consumption and production curve adjusted To engage the customers who live in areas where PV production could be a problem the project has put in place several experiments that all rely on the idea of solar off peak periods Every summer forty days are selected as solar days and on these days the customers taking part in the project benefit from four additional off peak hours between 12pm and 4pm Depending on the customer s level of involvement in the project these hours are used differently Some customers will only be urged to increase their consumption during that time thanks to the lower prices A solar district is a secondary substation and its corresponding customers Tuesday 21 October 2014 2
184. lfway assessment of the smart solar district adii UNA GRIDGEU Mas etl lal 9a INNOVATION FOR ENERGY NETWORKS The so called solar days are indicated to the customer by EDF the day before by SMS message or email Each participant is entitled to detailed monitoring of their electricity consumption and their production where applicable 4 2 2 Results obtained for the first summer 2014 The results for the first summer as at 31 July 2014 are as follows recruitment on 475 inhabitants V ee Written agreements Active agreements 6 agreement for PV installation Smart solar equipment PV 24 Battery agreement at battery Signature of customers in October SUMMER es omart hot water cylinder cylinder management via 30 25 24 Linky Solar bonus 44 37 36 TOTAL 98 68 60 Recruitment is continuing in particular via a sponsorship campaign to reach about one hundred consum actors in the solar districts i e a recruitment target of 20 of the inhabitants of the solar districts 4 3 Individual battery management 4 3 1 Introduction Scope of tests Within the framework of the NiceGrid Smart Grids demonstration project the use of a residential battery is experimented in response to various requests from grid managers This battery is one of the levers allowing implementation of the Use Cases defined for the project Reduction in peak power Massive introduction of PV 9 Active actually take part in the expe
185. ltage by preventing any cross phase impact where a high voltage on one phase entails a low voltage on the others If we look at the figures below we can directly compare the evolution of the load on the three phases with the voltage variations The high penetration of LINKY meters on this feeder 90 leads to a fairly accurate match up of the load and voltage variations on a phase by phase basis This is reinforced by the lack of cross phase impact that was mentioned before Load of the different phases LINKY Power Lou Souleou substation 23 06 2014 W 20000 18000 16000 14000 12000 BAL Lente Roa 4000 4 2000 Time 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Phase 1 Phase 2 Phase 3 Voltage over the different phases at the end of the network Voltage Lou Souleou substation 23 06 2014 V 25 245 240 235 30 225 220 215 Time 210 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Phase 1 Phase 2 Phase 3 Conclusion on the evolution of the voltage This analysis focused on a few selected feeders of substations that are likely to be constrained in the future because of PV production in the afternoon at a time where the demand is quite low The feeders were also chosen to have a high penetration of LINKY meters so that the information at our disposal was as comprehensive as possible Tuesday 21 October
186. ltage maintaining one Its installation and first operation are scheduled to take place in September 2014 in autonomous mode The remote operation of the OLTC transformer should be implemented before summer 2015 The finished product should look like the picture below Future location of the transformer Seven solar districts have been identified in the Nice Grid project Cailletiers Colombie Docks Trachel Lou Souleou Pesquier Plaine 1 and Rosemarines They are the districts where the summer experiments that deal with the integration of PV production take place They all correspond to districts where the high penetration of PV production is likely to create constraints on the network and thus were logical candidates to the installation of the OLTC transformer A solar district is a secondary substation and its corresponding customers Tuesday 21 October 2014 218 QU At DEMO6 dD6 6 Halfway assessment of the smart solar district d GRI EU Maa 7 hb tan INNOVATION FOR ENERGY NETWORKS L4 ba US CH v pm Pesquier e Colombie Sthnerder T afe la CN Automation SAS X ze n t Docks Trachel M90 Rou 3 Rosemarines c amp Im Lou Souleou 8 qv 500 m v S o Poe Ys Figure 73 Location of the main solar districts In the end the Cailletiers district was selected as the location of the OLTC transformer currently under development This distric
187. me of energy that engaged customers shifted to the afternoon when they were incentivised to by the project It is only a first analysis of the effect the incentive has on the customers behaviour It focuses only on customers equipped with an electric water heater and connected to the Cailletiers feeder n 0603302475 EDF is in charge of the more detailed analysis of the customers behaviour during the 2014 summer experiment Evolution of the consumption Using the project s databases it was possible to single out the load curves of the customers that have their electric water heater turned on remotely during the summer experiments and to compare their usual consumption with their consumption over a solar day during which they are incentivised to shift their consumption to the 12 00 16 00 period The figure below plots the average consumption of an engaged customer on a normal day blue and on a solar day red Power Consumption of an engaged customer equipped with an electric water heater W and effect of solar days Cailletiers substation June 2014 4500 4000 3500 3000 2500 2000 1500 1000 500 Normal day Solar day The load shift is proven quite efficient with a large increase of the consumption during the solar period The consumption increase during the 12 00 16 00 period can be divided into two At first there is a clear peak in consumption that is due to the electric water heaters that are
188. meter Data exchange e cemmunication uo worl tie through radio K ae bandwidth LA ui EM v Webservice Energy to follow Gateway v consumption Edelia s 7 and production on m Other electric devices E E Cofnmunicating Sensor te Regulator Inverter Em Batterie Tuesday 21 October 2014 241 M si a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS SAFT 4 kWh Li lon battery The electrochemical storage device is an NCA Nickel Cadmium Aluminium type Li lon battery the main characteristics of which are as follows Capacity 82 Ah 4 kWh the charging time of the battery depends on the power load 48 VDC 2 SYNERION 24V modules in series Pmax discharge 7 6 kW Pmax Charge 4 kW A Efficiency charge or discharge gt 95 96 The 3 modules 2 SYNERION 1 BMM are contained in a cabinet which comes in 2 versions for the project indoor version doc 4 and outdoor version doc 5 Indoor version P20 95 kg Gas Management System Cables on the top Outdoor version P54 95 kg Heating system and ventilation Cables on the bottom Tuesday 21 October 2014 242 DEMO6 dD6 6 Halfway assessment of the smart solar district GRIEU a FOR ETIN tal an Power cables of 50 mm 2 m long Color code black for negative and r
189. n components related to the storage asset the supply of the 1 MW power converter the development of a Human Machine Interface HMI and the supply of a Master Control Unit to manage the storage asset Heat Ventilation Air Conditioning Tuesday 21 October 2014 73 UNA DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal INNOVATION FOR ENERGY NETWORKS 3 1 1 Introduction to the storage assets One way to increase the integration of photovoltaic PV electricity in distribution grids is to install storage assets at various points of the grid For this purpose Li ion batteries supplied by SAFT as well as battery converters supplied by ALSTOM GRID and SOCOMEC partners in the project will be used Grid storage assets allow the local electricity management optimization at different levels of the distribution grid The batteries will be used to control the massive injection of PV generated power into the grid and to shed load at the request of the French TSO RTE In addition to this a 250 kW 600kWh storage asset will be used to test islanding of a district at specific periods Storage assets The NICE GRID project is testing grid storage assets at the following three levels 1 storage asset at a primary substation HV MV Primary Substation Battery PSB 1 storage asset at a secondary substation MV LV Secondary Substation Battery SSB 2 storage assets connected to the Low Volt
190. n with commercial and residential levers They will discharge between 18 00 and 20 00 during cold days in order to relieve the grid mostly following an RTE request on a day ahead basis But ERDF can also use these storage assets for its own use with the same interface In both cases the charge schedule is planned by the Network Battery Aggregator NBA and implemented after activation orders from the Network Energy Manager NEM Islanding This last use case only concerns the SSB storage asset This storage asset is located close to the secondary substation Dock Trachel supplying 12 commercial clients With 430 kW of installed PV capacity and a 600 kWh storage asset it will be possible to disconnect this district for the main grid this is called islanding It consists in disconnecting the district from the main grid during 4 hours and supplying it only with the storage asset and the installed PV generators This experimentation will be first done in a scheduled way and then in an unforeseen way requiring black start Islanding capabilities will be tested in spring and autumn 2015 Synthesis Storage Power Energy PV integration Load Islanding asset capacity shedding PSB 1 MW 560 kWh X SSB 250 KW 600 kWh X X X LVGB 33 KW 106 kWh X X x2 10 French R seau de Transport de l Electricit RTE is in charge of 100 of the French transmission grid Tuesday 21 October 2014 76 I iin DEMOS6 dD6 6 Halfway assessment of t
191. nd 7 7 For the distinction between control and operation within ERDF see the glossary These two teams had to be trained to the new equipments and ERDF implemented some adjustments to comply with its established control and operation rules and to ensure more safety and reliability Adjustments proposed by ERDF As a client of the storage asset ERDF demanded several adjustments in order to ensure a safe operation These adjustments are listed below Possibility to open remotely the main circuit breaker of the PCS through a proprietary ERDF technology The Device for Exchanging Operational Information DEIE is the mean to automate the exchange of information and control renewable energy generators connected to the Medium Voltage grid It communicates with the Regional Control Center ACR through an ERDF protocol called SIT R The DEIE makes it possible to remotely open the main circuit breaker of the PCS Tuesday 21 October 2014 98 ETT na DEMOS6 dD6 6 Halfway assessment of the smart solar district A GRI EU 1 T ae D T Vn INNOVATION FOR ENERGY NETWORKS Figure 47 Device for Exchanging Operational Information DEIE 3 1 5 1 1 Installation of an emergency stop push button reachable from outside Figure 48 Localisation of the emergency stop push button An emergency stop push button is located outside the fenced area in a cabinet which can be opened with a triangular key It opens the DC circuit breakers
192. nd the 1 MVA transformer but also the auxiliaries of the battery container with two different circuits described above SEPS secured and EPS standard Tuesday 21 October 2014 86 wt ASTU o DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU an eee T INNOVATION FOR ENERGY NETWORKS 230 Vac 400 Vac A 230Vac 50hz R 230Vac 50hz Alimentation s curis e Safe External Power External Power Supply C l1 f CT nc TNC 020006 027006 32A 254 BATTERY CONTAINER 020007 40A 30mA 022010 022013 020009 4 020015 020Q12 021003 021016 021011 6A 10A 2A 2A 2A 20A 2A 2A 21006 2A Interrupteur 046KM17 X 046KM14 X 046KM12 046KM10 Presence of voltage Lightning Socket Fans Fans Fire ESSUS ESSUS7 suppression pp 10 system FSS Figure 41 Single Line Diagram for the battery container auxiliaries Tuesday 21 October 2014 87 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal z INNOVATION FOR ENERGY NETWORKS 3 1 3 Installation Installation and commissioning of the storage assets require several administrative and testing steps which ERDF had to tackle The risk analysis is described in section 4 Site selection In order to install such a storage asset and to respect the appropriate safety distance a location with a minimum size of 50 m is necessary even for th
193. ne In this mode active and reactive power exchanged with the grid can be dynamically controlled by the EMS via FCU through P setpoint amp Q_setpoint The following state machine can be taken as a reference v System first power up t ee A E AC RER Self tunmg and calibration I 1 mun M 9 DISCHARGE DISCHARGE COMPLETED _ Only at first power on of the SUNSYS PCS a self tuning calibration process is performed by the machine This operation can take about 1 minute When all checks are successfully completed SUNSYS PCS advises the EMS that ECSE is ready to start and waits in standby condition The PCS updates continuously some information about its state for the EMS useful to know if it is possible charge or discharge battery e Flag Battery can be charged gt This flag is active when SUNSYS PCS receives from MBMM values of o IMR gt 0A o IMR C gt 0A When both values go to zero this flag is deactivated e Flag Battery can be discharged 3 This flag is active when SUNSYS PCS receives from MBMM values of o IMD gt 0A Tuesday 21 October 2014 167 JU DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fu lat INNOVATION FOR ENERGY NETWORKS When value goes to zero this flag is deactivated e Flag Battery fully discharged gt This flag is active when SUNSYS PCS receives from MBMM values of o SOC 0 20 in real situation o Ba
194. nection of the PSB storage asset Auxiliary power supply The storage asset also benefits from a LV power supply 36 kVA three phase type II for supplying the PCS and battery auxiliaries 16 i e meter and breaker at the boundary of property Tuesday 21 October 2014 84 DEMO6 dD6 6 Halfway assessment of the smart solar district GRII TEU e ENERGY 400V T LEON PCS Battery IL X b NEN ut dus F NM bent ent MN E ue T 230V Existing LV grid Transformer 1000 kVA Figure 38 Grid connection of the auxiliary supply meter and a circuit breaker 60 A 3 Phases are located at the edge of the perimeter fence substation as shown in the following picture i E z ra T um E e 39 qe breaker and meter ne de ena feeder After the circuit breaker the cables are connected to the GDP of the PCS as shown in the next Single Line Diagram Tuesday 21 October 2014 85 DEMO6 dD6 6 Halfway assessment of the smart solar district Ni P ERDF 400 3 PH N AUXILIAIRES CONTENEUR PCS 400V 3 PHASES N DISTRIBUTION UPS Figure 40 Single Line Diagram for the PCS AUXILIAIRIES PCS BATTERY NN 230V AC 230VAC 230VAC 220V AC HVAC AUXILIARY COOLING m H am 2NWAC Lx PCS UCS SOCKETS PCS UNIT BATTERY ee wee GRIDGEU Pre not 48 en 1 INNOVATION FOR ENERGY NETWORKS The GDP of the PCS is thus supplying the auxiliaries of the PCS a
195. ng protecte and filter inputs and outputs Each module contains e two power interfaces one for the positive and the other one for negative e two signal connectors same connector one for the input and the second one for the output signal BMM The ESSU is a high power energy storage system compatible with high DC voltage and performance which could reach up to 1KV amp 160kW ESSU Each ESSU Energy Storage System Unit is an electrical string of 24 series connected modules and a BMM altogether assembled into a double side 19 rack The Battery Management Module BMM will perform all the functions necessary to manage and protect the Li ion cells An electronic module called BMM is required to manage and monitor several Synerion modules serial connected The main functions of the BMM are e Monitoring each module of the string voltage temperature current alarms e Protecting the string with battery algorithms IMD IMR etc e Managing the electrical connection of the string on the DC Bus opening closing contactor e Communicating with the MBMM The modules and the BMM are mounted in 19 cabinets ESSU integration Tuesday 21 October 2014 131 o DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU INNOVATION FOR ENERGY NETWORKS ESSU EE Outgoing connections SYNERION 24E Module Tuesday 21 October 2014 132 m v4 DEMO6 dD6 6 Half
196. noxide CO and others combustion products in very small quantities The installation recommendations take into account these emissions this is why outdoor version of the battery has been chosen by the project and will be installed in the customer s premises Layout diagram Layout guidelines are given for each component for example the battery must not be installed in a living room At the project level a risk analysis has been achieved containing layout recommendation for the full system If flammable wall If non flammable wall NNNNNNNNNNNNNNNNNN Distance for flammable Distance for non Distance for flammable Distance for non things flammable things things flammable things Figure 64 Safety distance around the battery in mm Restriction of use Restrictions of use are given for each component for example an indoor battery must not be used outdoor At the project level a risk analysis has been achieved containing restrictions of use for the full system Action to be taken against any failure in the system Actions to be taken in case of a failure and the identification of each failure are given for each component A prevention data sheet has been written and will be given to the residential customers so they know how to react in case of a system failure Furthermore at the project level a risk analysis has been achieved synthesizing all the actions for the full system Transport constraints The strongest constr
197. nstrumentation 249 4 3 4 Test conditions 251 LC OL OS esee E a 252 4 3 6 Test results and analysis interpretation 253 d 4 CONCUSSION a ee ee ee MM on 258 a Os FOS NOIR de A 260 4 5 1 Appendix US nan cures ated ahacaiaedatiaasteadmbacteniatadstadtasanaladvastudstatad 260 acier qa a a dou 262 Ae O IR GTC USNC CS 263 Tuesday 21 October 2014 5 niil UNA DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU a Mas lat INNOVATION FOR ENERGY NETWORKS List of figures Figure 1 Instrumentation diagram of the Dock Trachel substation 14 Figure 2 Thursday 2013 08 22 measurements eese eene 16 Figure 3 Saturday 2013 08 24 measurements nn 17 Figure 4 Saturday 2013 06 22 measurements nn 17 Figure 5 Sunday 2013 06 09 measurements nn 18 Figure 6 Sunday 2013 04 14 measurements nn 19 Figure 7 H5 voltage harmonic resolution 10 min October and November 19 Figure 8 H5 voltage harmonic average values October and November 20 Figure 9 5t rank voltage harmonics November 2013 5 6 and 7 sss 20 Figure 10 Consumption at the Dock Trachel substation W November 2013 from 1st i 21 Figure 11 H7 voltage harmonic resolution 10min
198. nths In case of severe anomaly on one of the cells which may appears in spite of the safety features of the BMM they are equipped with a CID Current Interruption Device The CID is a valve which opens in case of overpressure inside the cell and mechanically interrupts the flow of electrical current The internal features rely on opening the circuit indeed the battery manufacturer assures Tuesday 21 October 2014 204 QUIS a DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal z INNOVATION FOR ENERGY NETWORKS us that when there is no current there is no risk of fire in the battery Decoupling protection After some modification in the configuration parameters the decoupling protection is compliant with the standard VDE 0126 1 1 VFR 2013 which decoupling thresholds are e 0 8 V 184 V lt V lt 1 15 Vn 264 5 V e 47 5 Hz lt f lt 50 4 Hz for VFR 2013 Reconnection to the network The reconnection time to the network after a power cut due to the decoupling protection is 5 s in accordance with VDE 0126 1 1 AC and DC startup currents The startup current on the AC side at the input breaker closing of the inverter is very low below 1 A peak This does not require any specific adaptation for the protections On the DC side the pre charging sequence of the battery must be respected which means e The DC disconnect switch of the battery customer noticeable disconnection must be
199. nverter and the outside has no effect The system then applies the last instruction received respecting the battery constraints If this instruction corresponds to a charging operation this is not a problem since the inverter will meet the operating constraints of the battery But if this instruction is a discharging operation the battery will then be drained It is therefore necessary to set a SOC State Of Charge minimum limit for inverter operation as permitted by the different configuration settings of the inverter Battery management The charging and discharging laboratory tests of the battery showed that voltage and current parameters are respected in all configurations Sunny Data Control software is used to give instructions to the inverter via the RS485 link e Installation installation and setup must be done correctly e Power start charging at battery Pmax e Operation put into operation by setting the parameter FedinSpntCom to Enable Then sending instructions in real and reactive power by the parameters FedlnPwrAtCom and FedinPwrRiCom positive in discharge and negative in charge These parameters are met in regards to the battery constraints A reservation can be made on the fact that every 6 months a battery self test is performed opening and closing of the electrical switch but not taken into account today by the SMA inverter That is why the installer will do a maintenance visit every 6 months to test the proper functioning
200. o indicate that electric water heaters could be used to compensate the PV production on the condition that several water heaters are triggered successively 2 2 4 Usage of the PME PMI meters Complementing the LINKY data As seen in the previous section the LINKY meters are the cornerstone of the Smart Grid infrastructure in France as they provide the network operator with the information necessary to the future day to day monitoring and management of the low voltage networks This information includes the demand the production and the voltage However even though the LINKY meters are to play a major role in the monitoring of the low voltage network Smart Grid projects often complete them with additional meters situated in critical positions the NICE GRID project opted for PME PMI meters The PME PMI meters are traditionally used as equivalent to LINKY meters for customers contracting a power superior to 36 kVA In NICE GRID these meters are indeed used for large customers but eight additional meters have also been included and are used to monitor each of the seven substations corresponding to the solar districts as well as one of the main PV producers Role of the PME PMI meters located in the substations The first function of these meters is to offer a quick and simple way of checking the LINKY data regarding demand and production Indeed the aggregation of the loads recorded by the LINKY meters downstream of each PME PMI meter sh
201. o the voltage on phase 1 than to the voltage on phase 3 despite a load that oscillates between those of phase 1 and 3 could maybe be explained by the presence of PV production on phase 2 This production may be the source of local voltage increases Tuesday 21 October 2014 48 IPC a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lat INNOVATION FOR ENERGY NETWORKS Other features of the voltage figure that cannot be properly explained by the load figure are the variations of voltage on phase 2 from the evening to the late morning Indeed phase 2 voltage gets closer to phase 3 but not lower even though the load curves show clearly that except during the afternoon the load on phase 2 is higher than on phase 3 These discrepancies could be linked to the fact that only 80 of the customers connected to the feeder that is being studied are equipped with LINKY meters This means that about 20 of the load is missing It is likely that this missing load is not perfectly balanced between the three phases and it could explain discrepancies that are spread over most of the day Tuesday 21 October 2014 49 a GRI EU a Bici Meet di m INNOVATION FOR ENERGY NETWORKS DEMO6 dD6 6 Halfway assessment of the smart solar district Cailletiers substation Feeder 0603302475 This feeder connects 69 customers to the grid Fifty nine of these customers are equipped with a LINKY meter Six of
202. o version 3 1 Note that for the prototype tests the inverter software version was number 2 3 During the tests improvements were made to the management algorithm in particular regarding the following aspects e Floating charge e Robustness with regard to possible inverter malfunctions The following table summarizes these changes Date of P Firmware Specifications Description of change version garcia deployment 2014 T of an UTC Local time difference causing off peak charge 2 hours Correction of a problem of collection punctuality Reactivation of FedlnSpntCom at each starting of the inverter 20 August 20 August Correction of a FedinSocStr Stp initialization problem 20 August Reduction of floating charge power Figure 87 Table of changes in the management algorithm Tuesday 21 October 2014 252 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal INNOVATION FOR ENERGY NETWORKS 4 3 6 Test results and analysis interpretation The list of tests is given below together with their interpretation when they have been completed The complete performance report at the date of the document is presented in Appendix 1 Operating tests Default operation On the BASE LOAD tariff default operation which involves keeping the battery at a SOC of 15 SOC_OH causes in nominal operating conditions regular so called floating recharging to compensate for the sys
203. oducers equipped consumers equipped producers 3 on phase 2 06033001593 950m 36 29 4 3 1 unknown Reaction to the increase of the PV production The increase of the PV production was simulated by multiplying the power of the existing installations rather than creating new ones This approximation can have some local impacts but the voltage variations calculated by PowerFactory should still be quite representative of the situation on the feeder Tuesday 21 October 2014 67 DEMO6 dD6 6 Halfway assessment of the smart solar district F GRI EU Voltage Impact of the production level in Colombie on the voltage variations of Phase 1 V between the end meter and the substation meter 25 T T T T 7 T T 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 Time Normal production Production x 2 Production x 3 Productionx 4 Production x 5 Production x 6 Voltage Impact of the production level in Colombie on the voltage variations of Phase 2 V between the end meter and the substation meter 35 PS Ne AN N 15 4 NAN Po V f HA E PM V 5 N 5 OND rw 7 F AN ES 15 25 T T 7 T T r r T 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 Time Normal production Production x 2 Production x 3 Production x 4 Production x 5 Production x 6 Tuesday 21 October 2014 68 A OU DEMOS6 dD6 6 Halfwa
204. odular architecture solution Modulo 33kW which allows A maximised yield thank to Dynamic Power Control function DPC An upgradeable solution A high level of availability Easy secured amp fast maintenances operations thanks to Hot Swap solution Modular Architecture Tuesday 21 October 2014 125 LM DEMOS6 dD6 6 Halfway assessment of the smart solar district GRI 4 INNOVATION FOR ENERGY NETWORKS Example for 100kVA PCS 1 Communication siots 2 Module output switches 3 Module input switches 3 x 33 KW modules 4 Connections DPC Function Q Power Sharing Mode All the converter modules work permanently in parallel and balance each other the requested power whatever the level of this power Dynamic Power Control This function allows a wattmetric management of the modules According to the power requested by the battery or the load the PCS will use only the optimized number of converter modules Power Sharing Mode Dynamic Power Control z BENEFITS i Higher efficiency at low power e Longer life of the converter 2 MIN IM IE NEN RUN NI RN RN RN RN Lower dissipation AC power rating Reduced need for air conditioning Z encres M DPO Less noise Tuesday 21 October 2014 126 anii Clin DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lat INNOVATION FOR ENERGY NETWORKS The PCS SUNSYS is already ready
205. of the battery container 12 Source SAFT Tuesday 21 October 2014 79 DEMO6 dD6 6 Halfway assessment of the smart solar district f GRII TEU INNOVATION FOR sar tal ran c Ancillaries with the main power consumption The main consuming ancillary is the HVAC system with a nominal power consumption of 3 7 kW PCS container a Description The Power Converter System PCS is part of the storage substation The main functions of the PCS are Ensure the correct energy adequation and transfer charging or discharging mode between the 20 kV network on AC side and the battery system on DC side Manage any setting point for load leveling from a remote operator automatic or manual mode The 1 MW converter the associated control system and the coolin ng are located in 20 feet container Relying on an Insulated Gate Bipolar Transistor IGBT based 4 quadrant converter system The converter control system communicates and manages the MBMM to assume the proper and secure operation of batteries All required AC and DC protections are included in the 20 feet container a Single Line Diagram 13 The insulated gate bipolar transistor IGBT is a three terminal power semiconductor device primarily used as an electronic switch and in newer devices is noted for combining high efficiency and fast switching Tuesday 21 October 2014 80 AU DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU a Bes fu
206. of the commercial offer aiming to reduce the payback period for the PV installation to at most 6 years n performance of the works since worksite visits and audits effectively made it possible to eliminate negligent installers and nonconforming equipment However the economic and political environment is not conducive to PV installation The electricity buyback price fell constantly during the first two years of the project as well as the tax credit from which customers benefit So we could not reach the objective for all the solar districts 30 of the district electricity consumption is bringing by the PV electricity production but we reach it for 3 of them Two districts will benefit of a production of 24kWc for one hostel and an additional 140kWc for the other one enterprise The last district is expected to benefit 18kWc 6 housings However the participation of people for management of the PV in their neighborhood was pretty good Indeed 14 of prospects have signed a participation agreement So they agreed to store electricity in a battery or engage their hot water or move their consumption during peak production Recruitment is continuing in particular via a sponsorship campaign to reach about one hundred consum actors in the solar districts i e a recruitment target of 20 of the inhabitants of the solar districts Now for the individual battery management system the tests in progress are on the whole satisfactory and
207. olves adapting consumption to production and not the opposite as was done in the incumbent system To achieve this the customer is invited to play a far more active role interacting with the network Within the framework of the NICE GRID project EDF proposes to its customers in Carros private individuals or businesses to take part in this ambitious project which announces the city of tomorrow Concretely EDF presents consumers of the 6 solar districts with 3 offers or experiments to take part in a new generation of smart solar districts Solar bonus Smart hot water cylinder Smart solar equipment Tuesday 21 October 2014 236 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID Eu a Be T E a INNOVATION FOR ENERGY NETWORKS 4 2 1 Description of the offers Solar bonus EXPERIENCE LE BONUS SOLAIRE A During the 40 solar days of the summer of 2014 and then the summer of 2015 indicated the day before by SMS and or e mail the district produces more electricity than it consumes between 12 pm and 4 00 pm EDF invites customers in this experiment to shift their electricity consumption to these hours called solar hours At the end of each summer EDF pays a gift cheque enabling the customer to benefit from a price equivalent to off peak hours for their electricity consumption during the Solar Hours The amount of this gift cheque is calculated according to the following formula the dif
208. one another The localisations of these sample meters in the seven secondary substation that take part in the mitigating the increase in voltage due to PV production experiment are detailed next Tuesday 21 October 2014 30 DEMO6 dD6 6 Halfway assessment of the smart solar district GREY i INNOVATION FOR ENERGY NETWORKS 7 041167003270 NS JI er Cailletiers substation 041167003330 NS i X 041167003257 e V9 Key or Pe 1 1 phase meter Pd 041167003300 e Wo Hy 041167003301 fa ETA f g LV feeder N A P LE Pd 52 1 E if E D LA N si 041068010147 Sas ARN en LE tT oN 041068010268 e 041068009514 Xs Ton gt 041167003295 0603302460 M e I i 4021167003258 04116700332 f cet 041068010153 d Y 72 ML 041068010293 041167003297 om Cosmo 041167003298 tompteurprod 041167003264 We 4 O7 f m 4 Ps i j EE Figure 22 Cailletiers substation Pesquier substation Key Oo 1 phase meter NS X 3 phase meter D LV feeder N 041068010142 2 ts rz f M i M m lt u wre j a 7 c Racer oa VA si A Figure 23 Pesquier substation Tuesday 21 October 2014 31 DEMO6 dD6 6 Halfway assessment of the smart solar district Dock Trachel substation Key O l phase meter x3 Q phase meter g LV feeder 041068009599 0603301089
209. ontainers battery PCS once on the site near the primary substation Check earth continuity Battery PCS Check the adjustment of measures for insulation resistance 100 KQ System response when measured insulation resistance is too low Check voltage at the end of charging lt 818 V Check voltage at the end of discharging 22609 V Fallback position if loss maximum current value from the MBMM Check maximum current lt 505 A Complete charge with all ESSUs Complete discharge with all ESSUs Complete charge with only one ESSU Complete discharge with only one ESSU Justification for the choice of the strategy of connecting ESSU and test Disconnecting an operating ESSU operating then reconnecting it after creation of a significant imbalance e g discharging highly an ESSU Stop the air conditioning and full charge discharge if possible if the system allows Check of all the orders to the system A Order inconsistent instruction if possible Check of all the retrieved variables during all the tests Check of fallback position in case of communication loss between battery and PCS Check temperature regulation in the container Check fallback position in case of loss of battery auxiliary supply Check fallback position in case of loss of PCS auxiliary supply Check that MBMM alarms are taken into account in the PCS The four most important tests for ERDF are the following 1 Loss
210. os IA duc Test at Pn 36K Tuesday 21 October 2014 177 IPC 9s DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lat INNOVATION FOR ENERGY NETWORKS Set point limitation during battery charge The VMR is set to lower value 550V than the measure of battery voltage 665V The converter reduces the power in 2000ms from the trigger T 18 C Tmax_Module h Fie C Tmin_Module h T 5040 v 10 YMD tv v 10 VME 10 Batteryoroup Voltage ri PAi Batara ema ii oe ee Ri Fle Eck Yertkel Moru Acq Trig Oepley Cursors Meagure Mass Math MyScope Lees Help Curis Pos 4 ens Cuts Pos 1 956s estat Pn736Kw Pn Oo STATIC MEASURES PRECISION On tables hereafter are reported the accuracy of the measures made during the cycles of charge and discharge The accuracy is respected at the full scale of measure Tuesday 21 October 2014 178 fu hi a INNOVATION FOR ENERGY NETWORKS N s a DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Bes Ly Discharge test AV 1kV AI 80A AP 30kW Active Power kW PCS DC Voltage V PCS DC Current A 674 26 3 40 2290 84 674 22 2299 56 674 17 2301 01 674 1 3 40 2294 45 2 38 673 00 3 54 E i NN Bud NN ome a D D i i i D i i E i D i i Vdc V P W Co 674 0 3 42 2304 02 674 0 3 41 2300 97 674 01 3 41 2301 17 671 50 15 6
211. otection device is installed in the inverter storage system line in accordance with UTE C15 712 guide recommendations e A 32 circuit breaker protects the inverter line manufacturer recommendation e A 30 mA 32 A type A differential circuit breaker is installed at the inverter AC output manufacturer recommendation e A surge protection device is mandatory if the conduit between the inverter and the installation remaining equipments is longer than 10 m in accordance with UTE C15 712 1 guide e The battery protection fuse calibre is 200 A e The grounding connector cross section for the inverter must be at least 16 mm copper manufacturer recommendation e The alternative conductors cross section for the inverter must be at least 10 mm copper manufacturer recommendation e The battery is delivered with two 50 mm aluminium wires with a length of 2 m If necessary these wires could be extended but an additional DC circuit breaker must be added Tuesday 21 October 2014 203 he UNA DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS Specific tests and studies for the security of the full system Summary table Test Studies Results Comments HER anal Sb OK Risk analysis at the project level for the full system Safety features identified OK Decoupling protection OK ESI ud xls configuration Reconnection to the network OK Procedure to follow for a AC
212. other overload situation is e 60 minutes at 100 of nominal power e 10 minutes at less than 50 of nominal power Conclusion The test has been succeeded Tuesday 21 October 2014 141 M si 9 DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fui lat z INNOVATION FOR ENERGY NETWORKS Response time during P amp Q set points variations Date of the tests Date of the tests November 2013 amp January 2014 The objective of this test is to prove the capacity of the SUNSYS PCS 33TR to act quickly when a set point is modified The target is a response time lower than 100ms for the following sequences Q Reactive power set points 0 gt 50 of Qn Inductive load 0 gt 100 of Qn Inductive load 0 gt 50 of Qn Capacitive load 0 gt 100 of Qn Capacitive load 100 of Qn gt 100 of Qn 100 of Qn 3 100 of Qn P Active power set points 0 gt 50 of Pn Discharging 0 gt 75 of Pn Discharging 75 gt 0 of Pn Discharging 0 gt 50 of Pn Charging 0 gt 75 of Pn Charging 75 gt 0 of Pn Charging In order to avoid a heavy document only 1 test of each part will be illustrated hereafter Tuesday 21 October 2014 142 DEMO6 dD6 6 Halfway assessment of the smart solar district GRID4EU a FOR a at e Q Reactive power set points Case N 5 AC out put Voltas ze Tuesday 21 October 2014 143 anii Clin DEMOS6 d
213. ould be roughly similar to the load recorded by the PME PMI meter however it will not be identical as only about 9096 of the customers are equipped with LINKY meters The second function is to provide the network operator with a practical solution for the real time monitoring and management of the network Having only a few meters makes it possible to retrieve the data as often as it is measured while the LINKY data suffers from a gap between the frequency of measuring every ten minutes and the frequency of retrieval every day that is due to the large number of LINKY meters Retrieving some aggregated data every ten minutes is necessary to the real time management of the network as a daily retrieval is only good enough for billings post event analysis and predictions regarding the next day Thus fitting PME PMI meters in the most interesting secondary substations is a good way of gaining global information that can be collected more easily and used closer to real time For instance there are about 630 LINKY meters in the seven solar districts of NICE GRID They represent a quantity of data that is much more difficult to retrieve and process in real time than the seven PME PMI meters needed to fit the solar substations Tuesday 21 October 2014 36 UP a DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS If we combine the two functions we see that the project co
214. pecially the one fitted on the feeders of the Dock Trachel secondary substation as this is the substation with the largest consumers and producers including a 200 kWp PV producer Measuring devices Measuring devices such as the ones required by the project are used industrially in primary substations as the monitoring at that level is already quite thorough Installing such devices in secondary substations is thus quite similar to the matter of the solar transformer an OLTC transformer installed in a secondary substation as it corresponds to moving some advanced functions further downstream to gain in accuracy and in flexibility ALPES TECHNOLOGY has developed a range of measuring devices that respond to the project s requirements These products are called ALPTEC and each one of them is capable of monitoring all the transformers and feeders over the three phases of a substation thanks to a set of modular sensors SmartCAN After two years with a simpler ALPTEC that will be presented later on the Dock Trachel substation has been fitted with an ALPTEC 3000 since mid July 2014 This monitoring system can provide measures allowing the assessment of power quality CEI 61000 4 30 standard as well as the remote operation of the network IEC 60870 5 104 and IEC 61850 The ALPTEC 3000 monitors all the electrical parameters including power quality on every feeder of the Dock Trachel substation and takes a series of measurements eve
215. perated during the short circuit However the battery fuses are not blown and the battery is still operational The AC contactor and fuses are also in a good health There is no trace on the gas fibre The only damage component is the DC capacitors board After replacement of the faulty components all the functionalities of the power module are recovered Conclusion The test has been succeeded Conformity with the standard Because the SUNSYS PCS range is in terms of hardware amp firmware the equivalent of the SUNSYS PV inverters range its certification is inherited from it CE marking Safety TUV certification gt V NON EMC VV VV V Tuesday 21 October 2014 CE EN 62477 EN 60950 278 EN 62109 1 TUV EN 62109 2 7 Electromagnetic Compatibility Directive EN 61000 3 11 EN 61000 3 12 EN 61000 6 2 EN 61000 6 3 v J CREI Ven ACCREDIA X GT DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mea C d ab an INNOVATION FOR ENERGY NETWORKS Grid codes e CEI 021 Italy LV io CEI 016 Italy MV VDE 0126 1 1 VDE 0126 1 1 A1 VFR2013 VFR2014 France LV The certificates are available In order to be compliant with a regional grid code the dedicated parameters have to be properly set SUNSYS PCS 33TR amp SAFT Battery Tools In order to perform the tests described in the following paragraphs SOCOMEC has
216. r the algorithm stops all charging at 90 SOC MAX Floating charge The floating charge is designed to offset losses due to self consumption by the inverter and the battery It is started whenever the SOC diverges by more than 5 SOC_STRIP_INF below the current SOC set point value When the SOC goes below the bar of SOCtarget 5 the battery is recharged up to SOCtarget In its initial version the algorithm did not specifically define the floating charge This was implicit due to failure to reach the set point value The power of the charge was therefore the default power used in default or preparation mode and hence oversized for recharging the battery by 5 200Wh Tuesday 21 October 2014 254 UP a DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat z INNOVATION FOR ENERGY NETWORKS A change was therefore made to limit the power in the lower SOC strip to 1000W FLOATING_POWER Under these conditions a floating charge lasts about ten minutes Safety charge When the SOC goes below the 8 bar the battery is recharged up to 15 The same behaviour as for the safety charge is observed e When the gateway stops recharging at 15 it may occur that a SOC jump raises this value to 18 which generates a battery discharge of up to 15 the operating mode being the default mode The change for the floating charge above was likewise applied to limit this phenomenon No circuit breaker tripping
217. r PV installers 226 4 1 5 Identification of solar potential and site analysis 227 4 1 6 Definition and application of a set of technical requirements for potential customers 227 4 1 7 Verification of the conformity of the technical proposals with the eife CLONO ROT ETT 228 4 1 8 Verification of conformity of the proposals with the work performed 228 4 1 9 Establishment of a panel of NICE GRID installers with specific specifications for the NICE GRID requirements 228 Tuesday 21 October 2014 4 niil UNA DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS 4 1 10 Formalization of EDF s commitment to its customers taking part in the NICE GRID OC XD TIMONLS tuin tot aniier EEn inai 229 4 1 11 PV installations performed and feedback 229 4 1 12 Main documents used in the process 232 4 2 Offers proposed by EDF to customers to encourage the introduction of PV 236 12 1 WeSC MOHOMMON INC OMe NT T T E T UT 23 4 2 2 Results obtained for the first summer 2014 240 4 3 Individual battery management VV 240 4 3 1 Introduction Scope of tests VU 240 4 3 2 Description of tested equipment eeeeeeeeeseeeeeee 241 4 3 3 Description of the installations and the test i
218. r district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS lower and the data rate higher Measures are retrieved on a daily basis by a remote reading server operated by EDF R amp D They are saved with a back up for redundancy on a server dedicated to the storage of measuring series data An audit of the power quality as defined in the CEI 61000 4 30 is carried out monthly as well as an additional deeper analysis of the voltage and current harmonics that uses specific software Such as SAV or PQHM to focus on the assessment of the impacts of the new usages Table 1 Technical specifications of the ALTEC 3000 Average effective values at the 200 ms not Parameters monitored logged 3s 1A min 1 h 24 h 45 57 5Hz optional 60Hz Frequency Sensor resolution 10 mHz Intrinsic error 30 MHz Class A as per IEC 61000 4 30 10240 Hz synchronised using the network frequency PLL Sampling frequency Accuracy 10 cycles FFT Fast Fourier Transform Bandwidth 30 2200 Hz RMS Measure of 1 period half period sliding window Voltage drop and surge Reference voltage U ref Intrinsic error lt 1 de Unom Class A as per IEC 61000 4 30 PST 10 minute average PLT 2 hour average Measures respecting IEC 61000 4 15 Flicker Measuring range 0 20 Intrinsic error lt 5 de Unom Class A as per IEC 61000 4 30 Measuring range H2 H51 Measurement steps 200 ms 10 min 1 h 24h Measures respe
219. re energy security industrial activities and pollution prevention A document describing the storage assets and its use cases has been sent to the DREAL Provence Alpes Cote d Azur in 2013 m ICPE Declaration The regulation of Classified Installations for the Protection of Environment ICPE part of the Environmental Code aims to establish technical and procedural rules for facilities which could have significant impacts on the site environment or human health of local residents It is therefore necessary to establish an inventory of some physical data describing the system amount of materials with certain characteristics of risks installed electric power etc 1 French Direction r gionale de l environnement de l am nagement et du logement Tuesday 21 October 2014 88 UP a DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat z INNOVATION FOR ENERGY NETWORKS Below certain thresholds for these physical quantities no ICPE prescription is applicable There are several regimes declaration D authorization A special authorization SA To date due to the recent appearance on the market of lithium ion batteries the ICPE regulation is not very clear However in the context of a precautionary principle it was necessary to make a broad interpretation of the headings of the sections in order to identify what are the technical and regulatory rules that can apply to the asset The
220. re indicative of the power electronics quality That is why threshold overrun for these two ranks has been examined particularly The rms values of harmonic voltages averaged over 10 minutes must not exceed 6 for rank 5 and 5 for rank 7 EN 50160 standard The table below reflects the overruns for these harmonics from September 2012 to September 2013 N Event type Date Hour Phase Peak V Duration 5 Harmonic 7 2013 04 14 15 50 00 16 3 12 01 10min 6 Harmonic 7 2013 04 14 15 20 00 14 3 11 66 10min 8 Harmonic 5 2013 06 09 18 10 00 18 2 14 17 50min 14 Harmonic 5 2013 06 09 07 40 00 15 2 14 17 40min 15 Harmonic 5 2013 06 09 06 40 00 10 2 14 09 40min Tuesday 21 October 2014 14 IE a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal INNOVATION FOR ENERGY NETWORKS 16 Harmonic 5 2013 06 09 06 20 00 19 2 14 25 10min 6 Harmonic 5 2013 06 10 05 50 00 03 1 14 93 30min 7 Harmonic 5 2013 06 10 05 30 00 13 2 14 84 50min 4 Harmonic 5 2013 06 22 07 50 00 17 2 14 30min 5 Harmonic 5 2013 06 22 06 00 00 07 1 14 95 2h30min 23 Harmonic 5 2013 08 19 07 20 00 00 1 13 86 10min 21 Harmonic 5 2013 08 20 06 50 00 18 2 13 97 30min 22 Harmonic 5 2013 08 20 06 30 00 16 1 14 19 50min 18 Harmonic 5 2013 08 21 07 40 00 18 1 13 96 10min 19 Harmonic 5 2013 08 21 06 50 00 00 2 14 45 30min 20 Harmonic 5 2013 08 21 06 50 00 00 1 14 35 30min 16 Harmonic 5 2013 08 22 06 40 00 15 1 14 82 40min 17 Ha
221. replaced the computer and this led to the following architecture which has become definitive for the validation tests ERDF Meter Inverter BATTERIES W MBUS radio 868 MHz SMANet over RS 485 RJ45 cable TCP IP ETHERNET cable Figure 83 Final prototype architecture doc 3 Tuesday 21 October 2014 248 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS These tests made it possible to check that the management algorithm corresponded to the definition of the need doc 2 and in particular battery management in the various modes They also contributed to e Determination of connector systems and the physical characteristics of communication with the inverter e Consolidation of the data exchanged between the gateway and inverter operating parameters operating values alarms e Improvement of alarm management between the battery and the inverter entailing an update of the battery parameters by SAFT e Definition of the TIC data allowing monitoring of the site s extraction and injection e Adjustment of the algorithm s operating parameters cf Table S 0 During these tests the decision was taken to eliminate the three phase sites from the scope of the experiment since overall TIC data and not phase by phase cannot ensure satisfactory functioning of the algorithm These tests also highlighted problems of r
222. rict GRIDGEU Mas lat z INNOVATION FOR ENERGY NETWORKS It was decided to connect the battery on a dedicated MV feeder to ensure the presence of a reliable mean of disjunction and remote monitoring by the Regional Control Center ACR of Toulon This dedicated circuit breaker is redundant with the MV switch upstream from the 20 kV transformer ALSTOM s main circuit breaker installed at the transformer secondary circuit associated with the inverter Main DC circuit breaker installed in conversion output AC DC DC circuit breakers 700 Vpc input of each ESSU The normally open contactors at the top of each battery module The MV feeder is coupled to an anti islanding protection in line with the French regulation thresholds The key element relating to electrical safety is that the 700 Vpc contactors are normally open i e they must receive an external power supply to remain closed Consequently any cut on the auxiliary table has the effect of instantly opening the contactors and interrupting the power supply in all individual cells These multiple barriers on the main circuit validated by the various project stakeholders seem sufficient to ensure the opening of the circuit if necessary Moreover according to SAFT the absence of current in cells guarantees ERDF against the risk of fire In addition a LV supply 400V 36 kVA is provided for supplying the auxiliaries and HMI tool for local control of the inve
223. riments the technical requirements for the customer s subscription are met Tuesday 21 October 2014 240 DEMO6 dD6 6 Halfway assessment of the smart solar district cnp e eres FOR ae ah ran Management of this battery is performed by a local smart system EDELIA box itself servo controlled by a remote platform managing demand Depending on the request from the PFD the local smart system can use three battery management strategies 1 Default mode no load 2 Preparation mode SOC to be reached by a given date 3 Modulation mode charge or discharge power to be applied insofar as possible during a defined period of time This document presents a summary of the tests underway at EDF Lab les Renardi res in the Multi Energy Home laboratory and the ConceptGrid tests at EDF Lab les Renardieres which validate the operation of this local smart system before it is deployed on the experimental sites 4 3 2 Description of tested equipment The tested system consists of an electrochemical storage system INTENSIUM HOME from SAFT a6 0H SUNNY ISLAND inverter system from SMA the local smart system itself consisting of o an EDELIA gateway o a TIC reader transmitter MC11 supplied by EDELIA Diagram presenting all the storage and management equipment deployed PV Network Producing meter Inverter Downstream communication r module E D A Electric flow r iive Consuming
224. rmonic 5 2013 08 22 06 40 00 15 2 14 73 40min 14 Harmonic 5 2013 08 23 06 50 00 00 2 14 16 30min 15 Harmonic 5 2013 08 23 06 40 00 10 1 14 02 40min 9 Harmonic 5 2013 08 24 06 30 00 18 1 15 19 1h50min 10 Harmonic 5 2013 08 24 06 30 00 18 2 15 08 2h40min 11 Harmonic 5 2013 08 24 05 20 00 02 2 14 36 40min 12 Harmonic 5 2013 08 24 04 00 00 00 2 14 87 1h10min 13 Harmonic 5 2013 08 24 04 00 00 00 1 15 1 2h We can see that over a year 10 days have slightly exceeded the voltage harmonic level for the 5 and 7 ranks 2 1 3 Analysis 5 rank harmonic The purpose of this analysis is to test whether such harmonic peaks are synchronous with high photovoltaic production Tuesday 21 October 2014 15 AC DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU a Bes s lah an INNOVATION FOR ENERGY NETWORKS 0 07 a tem P producer 0 06 p 100 105 50 9 304 4 Sum of harm V V1Mean H5 2013 08 22 co I g 0 z Sum of harm V V2Mean H5 2013 08 22 0 j Sum of harm V V3Mean H5 2013 08 22 50 Sum of DORO 2013 08 22 c E 102 Sum of subst PtriMean kW 2013 08 22 s E 100 transformer 1 01 150 0 mA T TTTTTUTTITTTETTTTTETTITTVUTTIETTTUTTTTTUTTTTTEUTTTTTUTTTTTTTTHITTTTTTITTUTTETTTTETTTETTHTTTETTTTTTETHTTTETUTETTETTHTTTTTTITTUTTTTITTT roi 200 SSSSSSPSSSSSSSPSSSSSSSSSTSsTzqesees SAFHRAASHFMAASHFRAASHRSERANASHAVG So e
225. rol strategy was decided being able to ensure safety 24 24 and doing troubleshooting only during workable hours ACR can call on the operation teams which can then intervene on site Figure 49 Regional Control Centre Operation principles The following operation strategy was decided being able to ensure safety 24 24 and doing troubleshooting only during workable hours Tuesday 21 October 2014 100 QI a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU a Mas lat INNOVATION FOR ENERGY NETWORKS ERDF wrote and displayed instructions on site for operation teams see appendix 3 The training strategy was to form the whole team to ensure the safety and to select a few people that were trained more deeply if possible with the technicians from SAFT or ALSTOM ERDF operation teams can access the inside of the fenced area and the containers so they have been trained to the existing risks and to the related emergency measures The slow kinetic of a fire enables evacuation of the hazardous area by ERDF staff To prevent the risks associated with maintenance and troubleshooting the following measures are implemented Only trained and certified operators intervene on the containers and cabinets All metal parts are grounded with annual audit as for other ERDF facilities No smoking within the fenced area 3 1 6 Communication and Human Machine Interface HMI The design of an appropriate Human Ma
226. rrserrnsrrnene 36 2 2 5 Usage of the ALPTEC measuring devices 38 2 2 6 Usage of PowerFactory to extend the results 42 22r COOBOUSIOflssscsduvexce moreno bri qc c EIE MN RH VU UV ENUUE MUN ER 43 2 2 8 Appendices cccccscccseeceecccseeceeeceucecececseeceueeeaeesseesaueseaeeseeeseesseeens 44 3 ASSESSMENT OF THE BATTERIES AND INVERTERS EXPERIMENTS 73 3 1 Halfway assessment of the grid storage assets sssssse 73 3 1 1 Introduction to the storage assets 74 3 1 2 Characteristics of the Primary Substation Battery PSB 77 RS OO M 88 SL IIS VAY SIS a a 93 3 1 5 Control and operation principles cccceeceeseeeeeeeeeeeeeeeesseeeesaeeeeees 98 3 1 6 Communication and Human Machine Interface AMI 101 91 7 FirSt resulis Of Ine PSB a annee sense ee IEEE 106 Tuesday 21 October 2014 3 he UNA DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS 3 1 8 Overview of the status of the other storage assets 00000000 107 ILI C uel n 110 S REGE eI ic n ARI RR 111 SIT T ADDOROIGOSaxsevsdsrstenids vubeva orae mira eee em an 115 3 2 Halfway assessment of grid batteries and converters experiments 121 SEN MINE earli
227. rter This device is coupled to a UPS inverter type to ensure the continued operation of the supervision of the same set in case of power outage on the LV grid An additional emergency stop button of the battery is placed outside the container the use of this emergency stop is restricted to agents working on the local battery in the event they are faced with an accidental situation uncontrolled by the remote monitoring station Malicious act An exterior fence with access restricted to authorized staff is installed Furthermore the container is locked Tuesday 21 October 2014 95 P sull 4 t DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU a Bes ME am am INNOVATION FOR ENERGY NETWORKS LUULLUT Figure 45 Exterior fence Bushfire The fenced area has no shrub or plant likely to spread a brush fire 1 TIT TM lt 3 I d Ft fe 1 o bei t E TEMO T 3 MU iia TH E Figure 46 Fenced area Tuesday 21 October 2014 96 UP a DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS Road accident The closeness to the road could cause an external risk as a vehicle could hit the container and cause a perforation the container would not be airtight anymore The fire suppression system FSS would then lose its effectiveness as the perforation of the container would allow the presence of oxygen The
228. ry 3 seconds The figures below display how it is installed in the substation to monitor the different feeders Tuesday 21 October 2014 38 DEMO6 dD6 6 Halfway assessment of the smart solar district Transformation substation TIC Eq 62053 31 BOE 31q14 ando 1au13413 rm m m e a a T rm i tu a m Quality assessment optional Remote cantral yar marg 1301 ONQ Communication room Feeders room MV LV Transformer ISLANDING HV MV Substation 12 feeders per half bus bar PV 20kWp 200 kWp 9 Voltage measurement 3 phases o Current measurement 3 Phases N M sud 1 ts GRI EU RECEVEZ allel INNOVATION FOR ENERGY NETWORKS Synchronised system via Ethernet IEEE1588 Sampled signal 200 kHz and generation of two streams of samples ALPTEC 3000 10 kHz set 10 kHz PLL SmartCAN 10 kHz set 200 kHz set Intregration of a virtual machine that can be programmed via the IDE STRATON COPALP PLCEngine IEC61131 3 Communication stack IECG0870 5 101 5 IECG60870 5 104 5 IECG1850 Installation amp Configuration simplified as much as possible The ALPTEC 3000 s data can be retrieved remotely either by modem RTC GSM GPRS or HSPA 3G or by Ethernet wire The latter is usually favoured as the communication costs involved are Tuesday 21 October 2014 39 niil UNA DEMO6 dD6 6 Halfway assessment of the smart sola
229. ry substation transformers also have several primary to secondary ratios but they cannot move from one ratio to another while on load The final objective is to dynamically adjust the voltage at the transformer level to ensure that the voltage stays within the ranges defined by the 2007 1826 French decree authorized limits of LV voltage at home across the whole downstream distribution network Consequence of a high penetration of PV production PV producers Secondary substation a NEN T y Voltage U l as V 440V 400V Lower range 10 360V Secondary Damme 2 pm Distance to the substation m substation Tuesday 21 October 2014 212 QUAE a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS 3 4 1 Choice of the OLTC transformer in the NICE GRID project Principle In France voltage on the distribution network has to stay within the 230V 10 range The low voltage network is radial and historically current goes from upstream to downstream as there are more loads than power sources connected at this level The development of PV production is challenging this principle Indeed while the demand still outweighs the production in the evening the PV production can be higher than the demand during the day This means that some low voltage network with a high penetration of PV production can now regularly experience bo
230. s Moe ot Do reu ET ha sere Wo a Pon lee Bete s L 2 tw mes mr VU UM S Mele Duy nee tere rm a Pranvyr MAT bes tmm came erve a eget eet Wo shies Dos eoe und Mae n jl Mo pee De c sm dile fete DT 242 90 4 IR 34 tune runs i EI hs bmi OE t Res ttm BRIO POO DORIA aes Raters DN OX J Ont LA ln habea II TOO 202 At hs baton E SO Us 714 eaters e VON T m i anren dr pr Heide d aamen et reor A AM A OT Te Rr rns rere pepis 5 a aoe Eb mA hU 0 cr Paes Seb 79 WO SI hs Mab tom Om Safe Asier amp OS WO LR mls aa Ent 7 Shades tab eti te GON gt mat lon NL t c s mA te toto Ot RR estes ae ee im m di ne eom cm xi ter e sy si ai PE x Now one battery cabinet is cut off and the new IMR continous setting is 38A and the charging current is 38A Dehe haves de QR TOO 202 M ls cater dt D VO D On 7 0 ds eum R09 SO don tm a overs br 10 Oe Ont a name Dr ll Woo ere hs cet Dit uote MA lid III SO LOT Palen tma 0 08 EI AL as aater DO D4 dns Aster bii D 4 eet aeren b A D 4 eet hs carers amp 4 N IL indi un sates e NO NO fee hs amt o o Nus dort a hs eter m o Lote dia eame POO 26021 Odes Latest t woo 10 abe A o 4 Adeti SP MOJN tden aS DO DAT esters DIM WH 0219 adn teur D MD GB NIE ls caters be D Got a corer e aH a anter enm cmo 92 99 more rl Go est na care Do 2 69
231. s OK General information OK CE marking OK li VDE 0126 1 1 Declaration of compliance of Compliant to 0126 OK VER 2013 with some the decoupling protection l configuration Installation instructions and OK Procedure and training for the wiring diagram full system installation Declaration of connection to the Distribution System OK Operator Battery safety data sheet OK Functional description Non applicable Emissions description OK der and OK Risk analysis at the project level for the full system recommendations Risk analysis at the project Restriction of use OK level for the full system Tuesday 21 October 2014 197 ETT ities DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU E INNOVATION FOR ENERGY NETWORKS Action to be taken against Risk analysis at the project OK any failure in the system level for the full system Transport constraints OK Constraints and information Template of a letter that can for customer s insurance OK be sent by the customer to his company insurance company System representativeness The tested system is composed of the SAFT battery and the SMA inverter The communication gateway and the local management system were not available during the test but their performances have been measured and are reported in the part Assessment of PV installation However the system can be controlled for the tests via a PC using a communication link and proto
232. s of the model are fairly close to the measures of the LINKY meters This leads us to conclude that the calculations are reliable as long as the description of the network especially the position and the phase of the customers is accurate Getting a high quality picture of the networks and of their customers is thus the main challenge for network operators who plan on modelling them Tuesday 21 October 2014 66 JP 9s DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lat INNOVATION FOR ENERGY NETWORKS Appendix IV Scaling up the results of the experiments with PowerFactory Objectives Appendix IIl concluded that when the description of a network is accurate characteristics of the equipments connection to the phases load curves the results of the PowerFactory calculations are close to the measures collected by the LINKY meters This makes it possible for us to use PowerFactory in order to estimate how the network would respond to increased levels of production when high voltage constraints would start to appear and to what extent engaged customers could alleviate these constraints We focused on the Colombie feeder studied in Appendix and on the 23 06 2014 When increasing the number of engaged customers we focused on the customers equipped with an electric water heater Number of consumers Number of producers Length of Phase of the the feeder number of LINKY number of LINKY pr
233. s set point charge value Since the time interval 3 min is too high to ensure no circuit breaker tripping in real time a safety factor is applied to the battery s set point charge value and a safety margin is applied to the maximum power to reduce the risk No injection Conversely when the battery is discharging it must not inject energy into the grid The power supplied by the battery must not exceed that consumed by the customer When it receives consumption data from the MC11 every 3 min in theory the gateway checks that the power injected into the grid is zero and adjusts the battery s set point discharge value Since the time interval 3 min is too high to ensure no injection in real time a safety factor is applied to the battery s set point discharge value and a safety margin is applied to the reinjection threshold to reduce the risk Limiting operating losses The inverter s power supply is provided by the battery The inverter specifications indicate own consumption of lt 27 W in normal operation lt 4 W in standby mode To limit operating losses the inverter is placed in standby mode when no charge or discharge is requested of the system Data reporting The gateway reports every hour the collected data from the Linky meter via the MC11 with a 3 mn interval extraction and injection set point current tariff period date etc the PDF receive the collected data every 10 mn from the inverter with a 1 mn
234. several commercial proposals by installers who are signatories of a cooperation agreement with EDF within the framework of the NICE GRID project Free connection of your installation to the electricity grid The offer also proposes e A new source of income the electricity produced by the photovoltaic panels is bought by EDF at the price applicable throughout the period of the buyback agreement e A least cost power reserve stored at an attractive off peak hour price during maximum sunlight hours or during the night in a battery installed on the customer s premises The battery is free of charge for the period of the experiment from December 2014 to September 2015 e Electricity consumption at an attractive price between 12 pm and 4 pm during the 40 sunniest days of the summer of 2014 and then the summer of 2015 e Free detailed monitoring of solar power consumption and production via an online service offered throughout the period of the experiment e A digital tablet offered to thank the customer for becoming a Consum actor of the energy system 4 1 4 Definition and establishment of the specifications for PV installers For customers having the base load option or the peak hour off peak hour option Only for customers having the peak hour off peak hour option Tablet delivered after installing the battery Tuesday 21 October 2014 226 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU
235. si hos ated more than J trees WA OWOFF i Customer A Net omm B sect muttertped by tse NDEN for merits VJ CHOP Customer R Deis betwee na and ma cel tecpersires o af noces 10 C fer ne Faut ce V PON ER Z13 y CIOFF Custerse Reset 4ato reeet Czriac Deta betwee rmm ad mas oe votages o af focuses 100 V for ne 22 H Cet niea esolatce sartina a s5tot sure evel HA OWDFF Castore CAN messages not renewed comecsy By De BUM daring B 99331 penod OF Nember of cet not consates wih expecteo configuration WW ONWOFF Ce Two or more 3UUs dort have tre sere esfware vermon WA CONCEFT Cart Errar in the tasctos caicalateg ND and MR Vy DIVO Customer Ragat SVU test pverrse TED Ay Oto Not used Not used het used It is important to note that this monitoring has been permanently used from November 2013 until now in order to sniff a huge quantity of frames and to detect some possible transmission fault A couple of faulty cases have been detected on the MBMM side and solved Conclusion The test has been succeeded All the details are described in the internal confidential document M208 Battery Protocol Test doc State Machine Tuesday 21 October 2014 Date of the tests December 2013 EME CELL CELL CELL CELL CELL TVA 00 COR 244 LIA MAN wd 163 on y ye uw ow bPbbbbMPPP m m mom 05 www Ww ow Oo r T c uw uw rr v m un gt gt bP Pb AN he DEMOS6 d
236. sic transformer technical specifications sess 216 Figure 71 regulation box of OLTC transformer ir 217 Figure 72 Built OLTC transformer essere nennen nnne tete ni 218 Figure 73 Location of the main solar districts ss 219 Figure 74 Entrance of Cailletiers secondary substation sess 220 Figure 75 Photo of the actual transformer at Cailletiers secondary substation 221 Figure 76 Photo of Cailletiers secondary substation ss 222 Figure 77 Plan of the Cailletiers secondary substation sss 223 Figure 78 SAFT indoor battery essere entente tenete tete tenete tenente tenen 243 Figure 80 Sunny Island and Sunny Remote Control SRC 244 Figure 81 EDELIA gateway onines tip IU Nn mU DEI Nen NEUE 245 Heure 92 DM ERA adu edad ore Caner mtu addu tem aper ice 245 Tuesday 21 October 2014 7 JA 9 DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal z INNOVATION FOR ENERGY NETWORKS Figure 83 Final prototype architecture doc 3 ns 248 Figure 84 Single line diagram of the installation in the MM E laboratory Indoor DA A eee ee ere 250 Figure 85 Single line diagram of the installation in the ConceptGrid Outdoor battery 251 Figure 86 Single line diagram of the complete installation in the laboratory
237. solar district GRIDGEU Mas ta lat z INNOVATION FOR ENERGY NETWORKS Humidity Without condensation 5295 SE Without de rating m 1000 Compliance with standards and directives CERTIFICATION REFERENCE STANDARDS CE MARK 2004 108 CE EMC 2006 95 CE Safety Low Voltage Marked for inverter safety TUV EN 62109 1 EN 62109 2 EN 60950 1 2007 Information transmission system only EMC test EN 61000 6 3 2007 EN 61000 6 2 2006 EN 61000 3 12 2006 EN 61000 3 11 2001 As the SUNSYS PCS range is globally based on the SUNSYS PV inverter range most of the standards amp directives compliancy have been already qualified by a third party Tuesday 21 October 2014 129 UP DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas tu lat Ph f INNOVATION FOR ENERGY NETWORKS SAFT Lithium lon Batteries amp their management system Introduction Within the frame of NICE GRID project SAFT will deliver a battery system solution based on Li ion technology This technology is used for enhanced capabilities for both energy and power discharges Using modular construction SAFT has designed a standard and scalable energy storage solution that meets a wide variety of application needs The system relies on three main modules The SYNEHION Module of lithium ion module The BMM Batteries Management Modules for 1 string of SYNERION modules The MBMM Master Batteries Man
238. ssary if we want to manage them more efficiently A first round of analysis was then carried out on the data recorded by the project It highlighted the links that exist between parameters directly related to the customers connected to the low voltage network such as demand and production and parameters more relevant to the power quality such as voltage These links legitimise the angle of the project which is to make the distribution system more efficient by incentivising the customers to have a smarter consumption in order to increase the quality of the power without having to reinforce the network These analyses also allowed us to estimate the impact of the load shifting from engaged customers This is an essential piece of information as it directly impacts the number of engaged customers needed to balance a given number of PV producers The next step was to verify the accuracy of the power system model provided by PowerFactory Having a model of our networks made it possible for us to scale up both the penetration of the PV production and the percentage of customers involved in the project This gave us an estimation of the level of penetration of PV production that can create voltage constraints on a low voltage network around 40 for the Colombie substation It also allowed us to do a first evaluation of the number of engaged customers needed to alleviate these constraints about one engaged customer per residential producer Tuesday 21
239. st examples it was created to curb the average outage time But outage time is not the only indicator of a good quality of supply voltage is also very important as recurring and large increases or decreases in voltage can damage appliances That is why the voltage delivered to the end consumer has to be kept within an acceptable range This range was set to 230 10 via a European and French decree Average voltage over 10 minutes Un 10 253V Un k i 230V m Ime Un 10 207V Figure 15 Voltage range It is important to keep in mind that this range refers to an average of the voltage over ten minutes This means that the voltage can actually increase to more than 230 10 for a few seconds even minutes as long as the 10 minute average remains lower The constraints regarding the quality of electricity supply have been set so that consumers have access to a reliable source of electricity that will not damage their equipments but these are not the only constraints that ERDF has to deal with Indeed ERDF must also ensure that the network is operated within the constraints of its different components These constraints usually translate in a maximum amount of electricity that can transit through each element such as lines and transformers and breaching those constraints eventually results in damages to said equipments Tuesday 21 October 2014 24 M acd sul DEMOS6 dD6 6 Halfway assessment of the smart solar
240. stems and to measure harmonic voltages and currents at the station Currently the data reported are e 10 minute interval harmonics up to the 50 rank e 3 second interval following data Single voltage Vimean Single voltage Vomean Single voltage V3mean Phase phase voltage Ujomean Phase phase voltage Us3mean Phase phase voltage U31mean Frequency fimean Frequency fomean O O O O O O Tuesday 21 October 2014 13 M sd a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU a Maa T c dat a 1 INNOVATION FOR ENERGY NETWORKS Frequency f3mean Active power Pimean Active power Pomean Active power P3mean Active power Prrimean Reactive power Qimean Reactive power Qomean Reactive power Q3mean Reactive power Qriimean O O O O O O Q O 9 Business PV 90 kWp Home MV LV Transformer ISLANDING Business Battery Installation in standing November 2014 PV 200 kWp 140 kWp Businesses HV MV Substation 7 Voltage measurement point 3 phases Q Current measurement point 3 phases N Figure 1 Instrumentation diagram of the Dock Trachel substation On Figure 1 each PV generator corresponds to the sum of small three phased PV production units with a power from 10 to 15 kWp So the global tested network is composed of around 40 PV inverters from different manufacturers 2 1 2 Observation on the harmonic voltages The rank 5 and 7 of the harmonic voltages a
241. sulation Resistance 4004 20 AC side Lightning protection A005 20 DC side Lightning protection 4006 0 Output Contactor Fault 4007 0 Output Trasfo Overtemperature 4008 0 System AC voltage fault 4009 0 System AC frequency fault 4010 20 Voltage Quality Alarm 4011 20 Parallel fault A012 0 Super Visor WatchDog Alarm 4013 0 System MicroP failure 4014 20 System wrong configuration A015 2D Module 1 General Alarm 4016 20 Module 2 General Alarm 4017 20 Module 3 General Alarm A018 20 Module 4 General Alarm A019 20 Module 5 General Alarm 4020 2D Module 6 General Alarm 4021 20 Battery Overvoltage A022 3E 1 Comunication Fault 4023 0 Battery Alarm 4024 GRID EU Pree SEIT TEA a FOR ENERGY NETWORKS With the major alarms the battery connections to the converter are not possible Contactor opening Tuesday 21 October 2014 184 r E DEMOS6 dD6 6 Halfway assessment of the smart solar district ff GRI EU 4 Maa Ton silat a INNOVATION FOR ENERGY NETWORKS At the contrary with minor alarms the connections are still possible pz ESI Saft Battery States Alarms yz ESI EXT State Alarms MBMM Input MBMM Fault BMM 1 Fault BMM 2 Fault Status Word Alarms Word Warnings Word Value Description 20 BMU supply voltage 32V for 0 5s Hv ON OFF Customer Reset Auto reset On Off 20 BMU supply voltage 8v for 0 5s HWY ON OFF Customer Reset amp uto reset Operation Mode Active 20 Result
242. t is a typical example of a residential area with multiple single family detached houses and a total of around 120 customers The low voltage feeeders can be as long as 500 meters and consist in both underground and overhead lines of various cross sections These features all increase the likelihood of the apparition of constraints on the low voltage network constraints that could be alleviated by the OLTC transformer Tuesday 21 October 2014 219 pr s DEMOS dD6 6 Halfway assessment of the smart solar district GRI WAS ns SRL a INNOVATION FOR ENERGY NETWORKS A look at the Cailletiers substation and at the future implantation of the OLTC transformer Pictures of the prefabricated building housing the Cailletiers substation are located below Two doors allow access to the interior the one on the right gives direct access to the transformer while the one on the left leads to the MV connectors the LV feeders and the metering equipments Figure 74 Entrance of Cailletiers secondary substation Tuesday 21 October 2014 220 ei DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU INNOVATION FOR ENERGY NETWORKS Figure 75 Photo of the actual transformer at Cailletiers secondary substation Tuesday 21 October 2014 221 ET Gili DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU dl INNOVATION FOR ENERGY NETWORKS Figure 76 Photo of Cailletiers secon
243. t nN m rw uou rn co d c o oec rw oc TANA ou cod oc M eo oe oo vr 0 0 coe ast ret ast as mec ce m c cmm AANA AN o Figure 2 Thursday 2013 08 22 measurements Figure 2 shows the production of one PV infrastructure connected to the substation DORO 190 kWp the power drawn off at the distribution substation and the relative amplitude of 5 rank harmonic voltages for the 3 phases This business day shows a smooth PV generation a cloudless day We can assume that the production of other PV installations connected to this station is proportional to that producer We can notice that between 7am and 8am the relative amplitude exceeds the voltage limits set by EN 50160 standard However these overruns do not correspond to a PV inverters startup as the facility begins to produce only around 8am at low power When PV inverters reach their maximum relative amplitudes of harmonic voltages remain low Indeed having an electrical production increases the short circuit power In the condition where production does not emit harmonic disturbances it reduces the levels of H5 voltage harmonic We can clearly see this phenomenon on the graph Tuesday 21 October 2014 16 QU 27 9 i DEMO6 dD6 6 Halfway assessment of the smart solar district d GRID4 EU acier mnt AR INNOVATION FOR ENERGY NETWORKS Power 200 D s a VAN NA re Sum of harm V V1Mean H5 2013 08 24 Ves A lt Sum of harm V V2Mean H5 2013 08 24 M
244. te through an OPC link The MCU hosts the Human Machine Interface HMI described in section 6 ERDF decided to add to this telecom architecture the possibility to order the opening of the power supply circuit battery and PCS through its own reliable infrastructure The DEIE is able to open the main circuit breaker of the storage asset It communicates though RTC with SIT R ERDF own SCADA for MV feeders and primary substation monitoring at the Regional Control Center ACR The ACR can open the main circuit breakers remotely through the DEIE ACR Storage SIT R assets HMI PSB STORAGE ASSET Battery Panel PC Box ADSL PRIMARY VPN SUBSTATION 2o20 d oe mmmm mm mm mm mm mm mm mm mm mm mm me Figure 36 Telecom architecture for the PSB storage asset Tuesday 21 October 2014 83 A ds DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU ada cet dil en INNOVATION FOR ENERGY NETWORKS Grid connection Main power supply The 1 MVA transformer of the storage asset is connected to the MV distribution grid through an underground 20kV cable connected to the dedicated 20 kV feeder SAFT directly from the 225 20 kV primary substation A dedicated meter ICE usually used for some MV clients is metering the consumption of the power supply circuit Rame B MV PCS Battery 1000 kW 1000 kW 500V AO 1 f 700V DC Figure 37 MV grid con
245. tem s self discharge We note e An excessive recharge power given the SOC to be achieved 5 in the test configuration gt change in the algorithm to manage the floating charge concept with an appropriate power e A discharge sometimes follows the charge when an SOC jump occurs after stopping charging gt increase in the SOC_STRIP_SUP parameter the role of which is to allow for these SOC jumps In PEAK OFF PEAK tariff the operation which involves charging in off peak hours and then discharging in peak hours highlighted the following behaviour specific to the test sites e In off peak hours charging is very rapid 1 hour because the consumption profile of the test sites is low e In peak hours discharging is slow and even insufficient 215 hours because the consumption profile of the test site is low or even no consumption can be observed This second point made it possible to observe regularly the response of the algorithm concerning non injection Concerning the first point these results led to the proposal of a reduction in the charge discharge factor in order to reduce the risks of circuit breaker tripping on the sites of customers whose consumption profile will be more erratic and higher Preparation mode Several preparation orders were sent at 90 or 15 of SOC In satisfactory radio reception conditions all the orders were carried out The same observations as in the default mode were made in the MM E where the low and
246. teries and OLTC transformer Section 3 1 gives a feed back of the first large scale storage asset installed on site Section 3 2 is a report of the laboratory testing of the 33 kW battery container which will be installed on site near Cailletiers and Colombie secondary substation Section 3 3 is a report of the laboratory testing of the residential battery Section 3 4 presents the main principles and the actual status of the On Load Tap Cha nger transformer to be installed at Cailletiers secondary substation The third section is an assessment of the PV onsite installation including the presentation of the different offers by EDF Tuesday 21 October 2014 9 adii UNA DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lat INNOVATION FOR ENERGY NETWORKS CO gt e lt 3 un gt CR Agence Conduite R gionale Regional Control Center Automatic Grid Disconnection Protection AID or AIP Anti Islanding Device or Protection Agence de Maintenance et Exploitation des Postes Sources Agency for maintenance and operation of primary substation Agence d Exploitation R seau Agency for grid operation gt gt gt 21615 8 m x lt U U op BMM Batteries Management Module SAFT BPL Broadband over Power Lines Modem ALSTOM BPL Broadband over Power Lines Modem ALSTOM CAN Controlled Area Network Circuit Breaker UJ Dispositif d Echange d Information d Exploitation d
247. ters In case of fire firefighters receive the information to use only CO in case of intervention opecific training has been provided on site by the manufacturer SAFT They will set a water curtain to protect the adjacent building In case of a firefighter intervention ERDF would have previously Opened the MV feeder supplying the storage asset at the primary substation Pushed the emergency stop button located on the property line redundant with the FSS system which opens the 10 contactors Cut the LV auxiliary circuit breaker 36 kVA manually on site Tuesday 21 October 2014 97 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal INNOVATION FOR ENERGY NETWORKS Periodic inspection Periodic visits are planned they include the verification of the following security system fire extinguishers electrical earthing ventilation and air conditioning 3 1 5 Control and operation principles Within ERDF the primary substation equipments are managed through two entities The control team based at the Regional Control Center ACR is in charge of controlling remotely the MV grid this includes namely the primary substations and renewable generators connected to the MV grid The operation team called AMEPS Agency for Maintenance and Operation of Primary Substation is in charge of operation and maintenance for primary substations The technicians intervene on site 24 24 a
248. th increases and decreases in voltage on the same day The OLTC transformer s objective is to maintain the voltage within the 10 range at all time by adapting its primary to secondary voltage ratio The NICE GRID projects aims to replace a classic 20kV 400V transformer by a 20kV 400V OLTC transformer Adaptation to variations of the primary voltage The OLTC transformer can be an asset to a distribution network with a high penetration of PV production as it can provide a constant secondary voltage by adapting its turns ratio to the variations of the primary voltage On a distribution network fitted with a classic transformer the 10 range has to cater for both medium and low voltage variations This can prove difficult as the MV network voltage can vary up to 5 thus leaving only a small range of acceptable variations for the LV network The objective of the OLTC transformer is to compensate these medium voltage variations in order to leave the complete 10 range for the variations on the low voltage network Take a substation with two feeders that has to supply both consumers generating a 10 decrease in voltage and producers generating an 8 increase in voltage The transformer of this substation should be set to provide 400V 1 as a secondary voltage at all time As shown by the figure below this would ensure that the voltage is always maintained within the 400V 10 range However this figure also shows how important it is
249. the NICE GRID project this meeting was open to all PV installers In addition to this announcement and to mobilize the professionals EDF sent each of them a letter of invitation to this event Following this meeting the interested installers complying with the criteria signed a commitment charter called a Collaboration Agreement and became privileged interlocutors of those taking part in the experiment 4 1 10 Formalization of EDF s commitment to its customers taking part in the NICE GRID experiment Following the communication and recruitment campaigns inhabitants of Carros expressed interest in joining the NICE GRID project These candidates for the experiment had personalized contacts with the EDF sales teams They then benefited from the assistance process described in section 2 with a view to having photovoltaic panels installed on their roof They received a visit by the CSTB and quotes from photovoltaic installers approved by the CSTB and when they took their decision to effectively undertake the panel installation work EDF proposed to them drawing up an Agreement on participation in the NICE GRID experiment This agreement specifies the respective commitments and responsibilities of the two parties throughout the duration of the project and in particular The reference of the quote indicating the equipment that will be installed The financial assistance granted by EDF and its method of payment Access to the ele
250. the TIC link for a few minutes Some technical characteristics cf document 2 S III Operation on non replaceable battery Service life about three years Radio protocol EN13757 4 868MHz Data sending every 3 min Radio range about 30 metres indoors Figure 82 TIC MC11 reader Operating principle Depending on the requests from the PFD the current tariff period and the various energy flows on the site the gateway calculates set point battery charge and discharge values which it sends to the inverter so that the latter may apply them if they are appropriate for the limits of the inverter battery system Otherwise the inverter may stop charging or discharging or else change the set point value to make it compatible with the operating limits There are three possible management modes 1 Default mode No request is made by the PFD In this case the gateway applies 2 strategies depending on whether the customer has a PEAK OFF PEAK or BASE LOAD tariff In the case of a PEAK OFF PEAK tariff the battery is charged in off peak hours and discharged in peak hours according to the customer s consumption For a BASE LOAD tariff no charging or discharging is performed In all cases the gateway ensures that the battery s SOC is at SOC 0H at 00h00 every day Tuesday 21 October 2014 245 ETT ae DEMO6 dD6 6 Halfway assessment of the smart solar district f GRI EU a ht Tan a Mess nn O INNOVATION FOR ENERGY NETW
251. the tests January 2014 Tuesday 21 October 2014 191 PE DEMO6 dD6 6 Halfway assessment of the smart solar district GRI LE EU ta n memes FOR ENERGY aT wonss The test is made by disabling the security parameter SOC 0 so the voltage can reach the value allowing the MBMM command During the discharge test when one cell voltage of battery cabinet is lower than 2 7V the BMM sends a command to MBMM and immediately it sends to the converter the opening contactor request The converter reduces to 0 the power and sends the command to open the contactors At this moment all the cabinet contactors are opened ne m Lon pee wu ww Lee Ue pw pd f I qoe k T wes ste 2A ABET tee ved m P omoes wmm Conclusion The test has been succeeded All the details are described in the internal confidential document M208 SCARICA BATTERIE doc Tuesday 21 October 2014 192 o DEMOS dD6 6 Halfway assessment of the smart solar district GRI EU 4 Maa Po dhh a INNOVATION FOR ENERGY NETWORKS Communication between SUNSYS PCS 33 amp ALSTOM FCU Date of the tests March 2014 The objective of this test is to verify the completeness of exchanged data between the ALSTOM FCU amp the SOCOMEC SUNSYS PCS MODBUS TCP IP Over Ethernet The tests have been based on the following specification built in collaboration with ALSTOM
252. these customers are producers two of them are connected to phase 1 and four to phase 3 The furthest meter on the feeder is 540 m from the substation The figure below highlights the lines belonging to the feeder and indicates the location of the substation middle and end of the network meters nu nd Ehd meter ds b mx The data we have at our disposal allows us to plot the evolution of the voltage over time It gives us the figures below Tuesday 21 October 2014 50 A enip lc INNOVATION FOR ENERGY NETWORKS DEMO6 dD6 6 Halfway assessment of the smart solar district Voltage variations over time Phase 1 Voltage Cailletiers substation v 250 245 240 s ID el AT Nr PP A LA VW Vw Wa WW un mt pV 215 210 205 200 Time 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Meter at the Meter in the middle Meter at the end of substation of the network the outlet Voltage variations over time Phase 2 Cailletiers substation Voltage V 250 245 240 235 230 225 220 215 210 205 200 Time 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 24 06 2014 00 00 Meter at the Meter in the middle Meter at the end of substation of the network the outlet Tuesday 21 October 2014 51 A OU DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fu lat d n INNOVATION FOR E
253. to validate the battery management solution proposed for storing the electricity produced by these panels This section consists of three parts 7 1 Description of the measures adopted to facilitate the acquisition of photovoltaic panels and review of installations performed 7 2 Description of EDF offers for PV management and initial recruitment results 7 3 Description of the tests carried out to validate the battery management solution deployed within the framework of the NICE GRID project PR romney PFO jeanne TG lee ee memoire meme Ca State Of Charge as of the battery SO meneame Se Sunny Remote Control EDELIA EDF subsidiary French utility CSTB Building Scientific and technical research center Tuesday 21 October 2014 224 UP a DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas tu lat a INNOVATION FOR ENERGY NETWORKS 4 1 Review of the PV implementation process and of PV installations performed 4 1 1 NICE GRID an ambitious photovoltaic power project on a voluntary basis The demonstrator has ambitious objectives for integration of photovoltaic power and demand response capacity in Carros commune Since participation in the project is on a voluntary basis EDF has worked out a recruitment process to bring together the largest number of participants and to insure the quality of PV panels ERDF has defined six geographic areas called solar districts about 500
254. to be interfaced with its environment Network Management System Scada NEM Batteries Management System BMS Compatible with different type of batteries technologies Internal single line diagram Batteries DC Option IMD K1 Option Q70 SPD OUT AC main network Technical features Electrical features DC input Voltage VDC 450 gt 850 Max Current Charge amp Discharge A 80 AC output Nominal voltage 400 3PH VAC Voltage range 320 gt 480 3PH Integrated VAC Tuesday 21 October 2014 127 Arm N DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lal INNOVATION FOR ENERGY NETWORKS output Frequency Hz 50 transformer Frequency range Hz 47 5 gt 51 5 Rated power IW 33 300 Maximum power 96 11096 for 30 min Rated current A 48 Max current A 53 Power factor range 1 Total harmonic distortion 96 lt 3 Efficiency according to European standard 96 Consumption IW 30 Control Unit Mechanical features Height 1400 mm Width 600 mm Depth 795 mm Surface 0 5 m Weight 330 Kg lt 60 dB Environmental conditions Thermal Operating temperature range C 5 gt 40 Environmental category Indoor space Dissipation W 1 750 Requested cooling 1280 m h Tuesday 21 October 2014 128 UE a DEMOS6 dD6 6 Halfway assessment of the smart
255. to maintain the 400V 1 secondary voltage constantly as any variation of that voltage could result in an irregular variation of the voltage at the end of one of the feeders Tuesday 21 October 2014 213 DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU INNOVATION FOR ENERGY NETWORKS Voltage evolution on two different feeders Secondary substation PV producers Voltage U V 4v E 2 2 404V E 2 2 2 2 2 2 Secondary Distance to the substation m U blue outlet PV producers substation U red outlet consumers The provision of a constant secondary voltage is where the OLTC transformer is required Indeed itis able to dynamically adjust its primary to secondary ratio depending on the variations of the primary voltage The French voltage plan of 2011 plans for variations at different levels the primary substation the medium voltage network and the secondary substation extreme variations are given in the table below Primary substation 2 2 Total primary voltage variation This table means that the primary voltage of the transformer could vary between 20kV 5 and 20kV 9 Thus to ensure that it can provide a constant 400V 1 secondary voltage the OLTC transformer should be able to operate in the 8 6 range around the 20kV 400V transformation ratio or 7 range around the 20kV 404V transformation ratio
256. tober 2014 60 a DEMO6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat z INNOVATION FOR ENERGY NETWORKS Appendix Ill Comparison of the voltage variations measured by the LINKY meters with the calculations run on PowerFactory Scope of the comparison This comparison is based on the LINKY data that was analysed in Appendix I The load curves of all the consumers and producers fitted with LINKY meters are inputted into the PowerFactory models of the three solar secondary substations named Colombie Cailletiers and Lou Souleou The analysis is done on the three feeders that were detailed and displayed in Appendix The table below summarises some information on them Colombie Cailletiers Lou Souleou 06033001593 0603302475 0603300742 Length of the feeder 650m 540 m 350m Number of consumers number of LINKY 36 29 63 53 39 35 equipped consumers Number of producers number of LINKY 4 3 6 6 2 2 equipped producers 3 on phase 2 2 on phase 1 Phase of the producers 2 on phase 1 1 unknown 4 on phase 3 The consumers resp producers who have not been equipped with a LINKY meter are given a template load curve which corresponds to the average consumption resp production of all LINKY equipped customers Tuesday 21 October 2014 61 TW d DEMOS dD6 6 Halfway assessment of the smart solar district GRIDGEU Mns ful lat T INNOVATION FOR ENERGY NETWORKS Power Product
257. triggered remotely at 14 00 This peak only lasts for one hour as the heaters switch off when all the water has been heated During the rest of the period the increase in consumption is less important as it is only based on more classic usages such as washing machines The load shift during this second Tuesday 21 October 2014 58 _ iin DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas fui lal INNOVATION FOR ENERGY NETWORKS hour is similar to the load shift of an engaged customer that doesn t have an electric water heater about 500 W The average total consumption over the 12 00 16 00 period is 8 5 kWh for an engaged customer with an electric water heater turned on remotely and only 3 kWh for a classic customer Thus it would seem that energy wise one engaged customer and one classic customer would on average consume the production of a typical 3 kWp PV installation However this is not reflecting the actual power variations To balance a PV installation both power wise and energy wise it would be necessary to smooth the 14 00 15 00 peak and to spread it over the whole solar production period This could either be achieved by controlling the power of the water heaters to make sure they need the whole period to heat all the water or more easily by having the electric water heaters triggered successively similarly to what is already done with electric water heaters during the night in France Eff
258. ttery Group Voltage lt VMD o Vcell Min Battery Group lt 2070mV When this flag is active the converter module stops and remains in this condition until a new charge set point During CHARGE with P_setpoint lt 0 or DISCHARGE with P setpoint gt 0 the SUNSYS PCS continuously verifies if the set point received from EMS requires a value of current above the recommended current limit of the MBMM In any case the SUNSYS PCS limits the current to IMR_C or IMD values e CHARGE In this phase the SUNSYS PCS uses VMR as voltage reference and limits its current to IMR_C There is also a control to limit the Vcell Max Battery Group SUNSYS PCS verifies it doesn t overcome value of 4080mV If it happens P setpoint is forced to zero stops CHARGE until Vcell Max returns under this critical value This situation can happen when battery is quite unbalanced in this case it s possible to have low values of SOC and Battery Group Voltage but a high value of Vcell Max Battery Group S lde from PCS to Battery Saiurabon mamit 4 Weall Max Rielational 40a Operator e DISCHARGE at the end of discharge the SUNSYS PCS automatically stops operating if at least one of these situations is verified o SOC 0 20 in real situation o Battery Group Voltage lt VMD o Vcell Min Battery Group 2070mV At the same moment the flag of Fully Discharged is activated Tuesday 21 October 2014 168
259. uld in a future experiment re evaluate the consumption predictions on the day by comparing the PME PMI data of the morning with what was predicted Role of the PME PMI meter equipping a solar producer This meter is used to quickly assess the level of PV production of the seven solar districts Indeed the project calculated in 2013 the ratio between the production of each district and the production of this installation For instance all the PV producers downstream of the Cailletiers substation represent about 12 of this main producer This approximation is made possible by the fact that Carros is a relatively small city and that we measure the average production over 10 minute Both these factors combined lead to the conclusion that any change in weather can be considered as affecting simultaneously all the different producers Eventually this meter and its 10 minute step data will allow the project to recalibrate its production predictions on the day by simply checking whether the sun is shining as much as predicted General use of the PME PMI meters and retrieval of the data In addition to their value when it comes to predictions PME PMI meters can also be used to have a more complete overview of each solar district Indeed despite the project s best efforts only around 90 of the customers within the seven solar districts are equipped with LINKY meters One of the main reasons is that some of the customers were not in situations th
260. ures The two other ones which will be installed in Carros will be ready by the beginning and the end of October x Nice GRID pe a ALSTOM eRDF Innovative Power Solutions w d E C e Q ui N Figure 59 Built container at SOCOMEC factory in Benfeld Civil works are ongoing For one asset the grid connection is already built as shown in the picture below x Figure 60 Grid connection for the LVGB near Cailletiers secondary substation Tuesday 21 October 2014 109 M si 9 DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas lat INNOVATION FOR ENERGY NETWORKS 3 1 9 Conclusion The installation and commissioning of the storage asset is a new process at ERDF and requires a lot of different steps on the administrative security and training side The experience gained on the PSB storage asset will be used to install the further three grid storage assets These assets will be used for the next winter experimentation December 2014 One of the main lessons learned is the importance of safety procedures ERDF conducted a deep safety analysis and elaborated some adjustments during the installation to comply with safety procedures The work must implicate every stakeholder manufacturers ERDF control and operation teams fire fighters municipality owner of the site For now only one storage asset is under operation and the charge discharge schedules are sent from the ACR Lat
261. ustomised to provide the user with information regarding the load of the lines the voltage at different points of the network the aggregated power by feeder or any other electrical data Application to the project The objective was to use the power data recorded by LINKY and PME PMI meters during the different NICE GRID experimentations to try and scale their results up by running calculations on districts with increased production and increased number of engaged consumers Indeed the number of producers in the seven solar districts while higher than average is still too low to really face issues of increased voltage despite the efforts that went into recruiting customers to the project see Appendix A good example is that none of the residential district is currently facing the risk of having more production than consumption during the day Similarly even though the engaged customers already have an impact on the aggregated load curves see Appendix II the number of customers that accepted to move their consumption on solar days would also be insufficient if the production was to reach a more considerable level according to Appendix Il compensating one 3 kW PV producer would require one engaged customer All in all analysing the results of the experiments provides us with important feedback on how the grid copes with a small increase in PV production and with the current variations of the load over the day The idea is to
262. ver temperature overcharge over discharge The Battery Management Module BMM is required to manage and monitor several modules series connected 11 Dimensions 6058 x 2896 x 2438 mm Tuesday 21 October 2014 77 I ilia DEMOS6 dD6 6 Halfway assessment of the smart solar district GRIDGEU Mas fu lat INNOVATION FOR ENERGY NETWORKS The battery system is composed of ten parallel Energy Storage System Units ESSUs and one Master Battery Management Module MBMM The ESSU stores and provides energy to the application Each ESSU is made up of 29 modules and one BMM The MBMM Master BMM is the top level processing component of the ESSUs Its main roles are to drive the parallelization of the units during connection disconnection phases to perform monitoring at battery level to communicate with the PCS etc Synerion 24 M Rack 4 parallel strings of 56 kWh 700 V 1 string 29 modules plus 1 BMM Synerion 24 M 24 V 80 Ah module VL41M cell Gd Intensium Max 560 kWh containerized battery 1 1 MW Figure 31 Battery container composition So as to optimize the yield of the system the ambient temperature inside the container is regulated Therefore an HVAC system is used for temperature regulation A Fire Suppression System FSS with fire detection and fire suppression is installed inside the container in order to prevent the system from a faulty situation venting of a cell The distribution
263. ver the 8 6 range However it appeared that the common number of taps on an OLTC distribution transformer is 9 We decided to make the most of this and to add a 296 margin at the higher end of the operation range This means that our OLTC transformer ends up converting a primary voltage of 20kV 8 into a secondary voltage of 400V 1 see table on the next page Comparing this table with the next page figure of a classic transformer technical specifications is a good way of summarising the differences between a classic transformer and an OLTC transformer Indeed it highlights the fact that an OLTC transformer can adapt to a larger spectrum of primary voltage Moreover the OLTC transformer will adapt more accurately to these primary voltages than a classic transformer and finally it will do so while on load Primary taps and associated primary to secondary ratios of the OLTC transformer Secondary voltage Primary voltage 21 600 V 21 200 V 20 800 V 20 400 V 20 000 V 19 600 V 19 200 V 18 800 V Tuesday 21 October 2014 215 A t DEMO6 dD6 6 Halfway assessment of the smart solar district 4 GRII FEU x FOR Sar tal an EgssronwsreunT TRIPHASE 50 Hz oso npo 28 98 40 T nsions E Kcu Courants tbtal a Petre des gt c 7 Shoat e DS cem totale 1342 Er fe CT A ion AJ ASPERA S D E hx Figure 70 Classic transformer technical specifications
264. way assessment of the smart solar district GRIDCTEU INNOVATION FOR ENERGY NETWORKS Technical Features Electrical features SYNERION Module 24E at 25 C Nominal 25 2 VDC Max 28 2 VDC Min 21 VDC Maximum continuous discharge A 160 Maximum continuous recharge A 45 Maximum continuous discharge W 3800 Maximum continuous recharge W 1150 Peak discharge in 5 sec W 8500 Peak recharge in 5 sec W 5500 C 5 25 C 87 Ah C 5 2200 Wh Recharge time h 3 BMM Module Nominal up to VDC 1000 Maximum continuous A 200 Inrush 300ms 90 W Stabilized 7 W 24 5 VDC Tuesday 21 October 2014 133 wall TUM DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU C calc met i A INNOVATION FOR ENERGY NETWORKS ESSU panel 24 Modules SYNERION 24E 1 BMM at 25 C Max 677 VDC Maximum continuous discharge A Maximum continuous discharge W 91 200 TBC by SAFT Peak discharge in 5 sec 204 000 TBC by IW SAFT Capacity 87 Ah rs pee we Um Tuesday 21 October 2014 134 A Emm DEMOS6 dD6 6 Halfway assessment of the smart solar district GRID EU INNOVATION FOR ENERGY NETWORKS Mechanical features SYNERION Module24E Width 448 mm Weight 18 5 kg BMM Module Width 483 mm Weight 14 2 kg ESSU panel 24 Modules SYNERION 24E 1 BMM Width 1 200 mm Weight
265. y and PCS containers installing pipe sleeves and cables for grid connection These civil works were completed in autumn 2014 and the following pictures show the different phases of installation Tuesday 21 October 2014 90 mM de d a DEMO6 dD6 6 Halfway assessment of the smart solar district GRI EU 4 Maa Pot 2 an INNOVATION FOR ENERGY NETWORKS Figure 42 Civil works for the PSB storage asset Installation Installation of the battery and PCS containers was done by November 2013 as shown in the following pictures Figure 43 Installation phase for the PSB storage asset Tuesday 21 October 2014 91 UP a DEMO6 dD6 6 Halfway assessment of the smart solar district GRID EU Mas lal z INNOVATION FOR ENERGY NETWORKS Testing phase After the installation of the three elements of the storage assets tests have been conducted between December 2013 and March 2014 During this test phase the storage asset was operated by SAFT battery container and ALSTOM GRID converter and transformer The following list gives an overview of the different tests Check installation conditions Check lightning chock between PCS and battery Check communication MBMM PCS Check FSS of the battery Check status fire Check HVAC of the battery and if it stops while the doors are open Check emergency stop Check earth continuity Check insulation resistance Check EMC levels in the c
266. y assessment of the smart solar district GRID EU Mas fu lat a d n INNOVATION FOR ENERGY NETWORKS Voltage Impact of the production level in Colombie on the voltage variations of Phase 3 V between the end meter and the substation meter 5 25 4 23 06 2014 00 00 23 06 2014 06 00 23 06 2014 12 00 23 06 2014 18 00 Time Normal production Production x 2 Production x 3 Production x 4 Production x 5 Production x 6 The impact of the increase in production is very clear on these figures We saw in Appendix that all the production was connected to Phase 2 and there is a large increase in voltage on this phase during the 8 00 20 00 period This increase in voltage is compensated on the other phases by a synchronised decrease similarly to the cross phases impacts that were highlighted in Appendix I According to French regulation the voltage should remain within the 230 V 10 range ie between 207 V and 253 V Our simulations allow us to see that when we reach a production multiplied by four we can have voltage variations going from 10 V to 20 V Given that the 1096 range is also supposed to cater for the MV voltage variations we can assume that such a level of production could eventually lead to breaching the regulation In the case of the feeder we are studying multiplying the production by four is equivalent to a penetration ratio of around 409 Tuesday 21 October 2014 69 A ia DEMOS6

DEMO6 - dD6.6 Halfway assessment of smart solar district

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