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Sunny Island - SMA Solar Technology AG

1. Data Storage Fig 3 21 Data communication with serial interface BWRI33 12 EE F 49 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 13 Please read chapter 8 3 carefully 3 7 5 Assignment of COM3 Interface The service interface COM3 can only be used as an RS232 interface It is meant for service maintenance and necessary software updates To be able to update the software an additional PC programme is required Table 3 4 shows the pin assign ment Table 3 4 Assignment of Sunny Island interface COM3 BWRI33 12 EE 50 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 8 Communication in a Three Phase Island Grid The following figure shows which interconnecting cables can be installed for commu nication in a three phase island grid to ensure convenient and troublefree operation Sunny Island Master Slave 1 Slave 2 Sunny Boy Control ENO9 PRES O LA ZNOD S BUS Communication Interface RS485 1200 Baud Sunny Net PC Interface RS485 19200 Baud SMA Net Service Interface RS232 Sunny Boy Sunny Boy Sunny Boy Fig 3 22 Communication in a three phase island grid I gt Please read chapter 8 3 carefully BWRI33 12 EE 51 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 4 Operating Instructions The Sunny Island is operated wit
2. Diesel start KI 14 ere 13 Diesel Ko contactor 14 sk spre 113 Mains K3 14 ln AC F2 I outlet Y l Sync switch K5 Diesel sync input N Sunny Island AT Generator all mo I An ok y start AT E 8 i ae external distribution utility grid Generator Fig 3 14 Connection to generator and utility This relay shall not overcharge the 24 V auxiliary supply output SMA order name SI BP24 A relay complying with the requirements is available with the SMA order name SI BPRETR The switch over times can also be reduced just by a little more expenditure Fig 3 15 BWRI33 12 EE y 38 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Diesel K1 start 14 13 Diesel K2 contactor 14 A soe 113 Mains Ka f 14 Yn a F2 outlet a L 13 SI sr contactor K4 evel ene 13 Sync switch K5 14 L Diesel sync input N Sunny Island Generator start al N external distribution utility grid Generator al N gt N N gt ESS a
3. Zz Fig 3 15 Example of an accelerated switch over generator and utility This relay shall not overcharge the 24 V auxiliary supply output SMA order name SI BP24 A relay complying with the requirements is available with the SMA order name SI BPRETR 3 4 9 Connection of a Battery Room Fan and Electrolyte Pump If lead acid battery arrays with liquid electrolytes are used as energy stores the con trol of an electrolyte circulation pump is to be connected via the relay terminal K7 A battery room fan can be controlled via the relay terminal K8 Switch on and switch off criteria can be defined via the menu of the Sunny Island For wiring see Fig 3 16 The switched current of the relays K7 and K8 is a maximum of 5 A at 230 V AC A detailed limit curve is shown in chapter 18 BWRI33 12 EE 3 39 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Battery fan Battery circulation Battery Room Fan AC Outlet 3 o Sunny Island external Distribution Fig 3 16 Connection of a battery room fan and electrolyte pump 3 4 10 Connection of a Dump Load If there is a surplus of energy in the island grid which is not utilized but cannot be stored either because the batteries are fully charged it makes sense to connect an additional consumer dump load It is connected to one of the relays not yet used otherwise K1 to K8 as shown in Fig 3 17 Th
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5. switch on limit if battery state is below switch off limit If the same bat tery state is set for both the switch on and the switch off limits the relay is controlled as for the Consumer type e If the same values have been entered under the parameters 710 K1 t2 be gin and 711_K1 t2 end a simple setting to a battery state dependent control of this relay has already been finished Often however especially in island grids supplied by PV an operating mode is desired where the devices are controlled depending on the battery state but additionally also depending on the time of the day To this end it is possible to define a second time period special time period t2 from 710_K1 t2 begin to 711_K1 t2 end For this second period battery states for switching of the relay can be selected again The setting is made accordingly as described above but with the parameters 714_K1 On t2 and 715_k1 Off t2 e To activate the battery state dependent relay control the parameter 701_Man K1 has to be set to AUTO BWRI33 12 EE z 90 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Switching consumers off and on 725 K3 Off t1 724 K3 On t1 Relay state L2 N4 after SI start 722_K3 12 begin 728 K3 12 end sen P 2h A Q 4 4h 2 on 20h y D 18h 6h so 16h 8h o
6. Typ 3 3 contacts start stop relays K1 K2 K5 EcoPower Ecopower CHP see also chapter 16 Starting phase sequence of different generator types The Sunny Island reduces its current input in charge operation RUN 1 0 OFF not at all 1 F_MAINS as a function of generator fre quency 2 I DIESEL as a function of generator cur rent converter required see chapter 3 4 5 as a function of generator fre quency and current converter required see chapter 3 4 5 Max number of attempts to start the generator be fore the state Fail Locked is reached see also parameter 618 After the minimum run time of the generator has expired the counter will be reset Current transformer ratio in A per 5 A for meas urement of generator current i 1 37 E SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARALL 3 9 Parameter Unit Min Max Default Description 607_lgen max 610_tGen glow 611 tGen crank 612 tGen warm s 613_tGen minrun 614_tGen cool 615_tGen stop 616_tGen lock 617_tGen fail 1 618_tGen faillock Max generator current per phase only applies if 604_GenSet Ctrl is set accordingly Length of time the relay is controlled to glow up the generator Length of time the relay is controlled to crank the generator Warm up time of generator Minimum run time of generator 5 al o o 00 o 00 o
7. installer After you have switched on the Sunny Island DC fuse you will reach as already known from chapter 5 the INIT 0 0 menu where you select the menu item New Battery with the arrow keys and confirm this with ENTER Now enter the pass word for level 1 installer 0 0 INIT Fassword Fig 6 2 Display to enter password In contrast to configuration via New System only those settings that concern the battery are reset after correctly entering the password After entering the password you will reach a menu where selected essential parame ters for the exchanged battery have to be set BWRI33 12 EE gt 66 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Parameter oetout Desorption U i 501_Cbatnom 350 Ah Nominal capacity of the battery of 10 hours This always has to be entered as defined in the manufacturer s instructions even if the battery has already aged In case the manufacturer did not specify a capacity of 10 hours select the specification that is nearest to the capacity of 10 hours 502_Bat Type Lead acid Lead acid battery with Lead acid liquid electrolyte Fleece electrolyte bound in fleece Gel electrolyte bound in gel 503 Ubat nom 60 0 V Nominal battery voltage Normally 60 V have to be set For exceptions see chapter 11 3 506 acid density 1 28 kg l Nominal acid density of electrolyte should be entered as d
8. After fastening and checking the secure position of the mounting slide the Sunny Is land is hung into the intended strap on the mounting slide and positioned with the cor rect orientation To prevent lifting up the Sunny Island is fastened on the wall with two screws 4 5 mm and the corresponding dowels M6 see below BWRI33 12 EE E 1 8 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 560 mm Diameter of drilled holes 8 5 mm Fig 3 1 Mounting slide with fastening points BWRI33 12 EE 1 9 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 267 5 A A LO N o y mn foe LO x 9 Q Q O Q 2 O 10 CE o xe tal Lo O E 7 A Tt foo y y Fig 3 2 Side view of the Sunny Island with dimensions 3 3 Electric Connection The electric connection of the Sunny Boy can be done once the device is correctly mounted in its position The storage battery and the grid connection to subdistribution are connected to the lower part of the Sunny Island At the bottom of the enclosure there are seven heavy gauge conduit threaded joints four PG 13 5 and three PG16 BWRI33 12 EE 20 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 3 1 Preparing the Connection Take off the case lid of the inverter s lower part To this end remove the two hexagon socket screws M5 accessible from t
9. BWRI33 12 EE e 1 30 SMA Regelsysteme GmbH Sunny Island PARALL 3 9 Parameter 310 Auto Start 312 COM1 Proto 313 COM1 Baud 316 COM2 Proto 317 COM2 Baud BWRI33 12 EE Unit Min Max 255 Default Installation amp Operating Instructions Description Number of autostart attempts 0 autostart off within one hour After one hour of operation the counter will be reset Autostart means that approx 10 sec after a switch off due to error or the like the Sunny Island re starts In addition the Sunny Island starts automatically after switching on the DC voltage when the Autostart is activated ATTENTION The Sunny Island s low battery load mode is not affected by this setting Running in that mode it is thus possible that the Sunny Island will start from time to time even if this parameter is set to 0 s Parameter 535 State Stop T for details Communication protocol COM1 0 None interface not in use 1 SMANET interface based on SMANet protocol 2 SUNNYNET interface based on SunnyNet protocol For communication to Sunny Boys set to SUNNYNET Baud rate COM1 bits s 2 1200 5 9600 6 19200 For communication to Sunny Boys or Sunny Boy Controls set to 1200 In three phase operation all inverters have to be set to 19200 Communication protocol COM2 0 None interface not in use 1 SMANET interface based on SMANet pro tocol 2 SUNNYNET interface based on Sunny
10. cccceceeeeeeeeeeeeeeeeeeeeeeeeeeeees 109 10 4 Menu EVTHIS 4 4 State Protocol oooomoonccccncnnnnnccccnonccccccccncnnnnnnannns 109 11 Battery ManageMenbaraocisspicaa iio a 110 Tti CHARGING Methods carta oda 111 172 Battery SES Lae 112 BWRI33 12 EE 6 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 11 3 Failure of Individual Cells veces cacti orcas cota catechins cae costae 115 12 Operating Modes teorica ina 116 12 1 Grid Forming Operation RUN_U oooooooccccnnnccnonoccconnnnnnnnnnnnccononccnnnnnnnnnas 116 12 2 Grid Tied Operation RUN uscar sitiiii 118 123 Overload BG e Nea 119 13 Island Grids Examples Lausesumstmmmmiimnetijnvmhd eidet ondt add dudded line 121 13 1 Single Phase PV Island Grid with Generator wxxrrrrnnnnrrrrrnnnnnnnnrrnnnnnnr 121 13 2 Single Phase PV Island Grid without Generator ccccccccccncncncnnnnnnnnns 124 13 3 Single Phase PV Island Grid with Generator and Utility 126 13 4 Three Phase PV Island Grid with Generator ooocccccnnnnnncccccnccncccnnnnnnns 128 14 Overview Configurable System Parameters rrrnnnnnnrvnnnnnnnnnnnnnnnvrrrrnnnnnnnnnnn 130 15 Overview Measured Values Displayed rrrnnnnnnnnnnnnnnrrrrnnnnnnnnrnnnnnnrrrrnnnnnnnennn 146 16 Terminal Diagrams for Generator OptiONS ccccccccnnnncncccccnnnncnnnnnnnanancncnnninon 152 17 Error and Status Signals isis ia at ate eee 158 A nn A 158 17
11. ers ohmic inductive loads via relays K1 to K8 freely configurable e Terminals for battery room fan via relay K7 e Terminals for battery acid circulation via relay K8 If the relays K1 K2 K7 and K8 are not used for their special tasks they can also be freely configured BWRI33 12 EE A 22 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions can also be freely configured IS The terminals K1 to K8 can only be used if they have been equipped with their respective relays modules optionally available e Terminals for the measurement of generator voltage and current e Grid connection at F2 L and F2 N of the automatic circuit breaker as well as at the PE terminals on the right Pt UM A IL PLL OA NUAN NO I ZZ o z zz En EG 2 O 33 G6z Ru TT TO NEE ar on HE TDN tot t tN 40 tM TOM ak E ais EE at E TTENNAN tton DUO RN A Qi KKKKXU I hr SSLX ULA NX Y YY AY YY SS SS Q Q ME c 5 3 a st wo o 5 S Y YX Y Y 5 RA 2 EE o 2 gt gt gt gt 3 5 a E 5 a g 8 g c 9 2 o 3 G Fo E PS 22 8 5 amp gs ia A 2 o a 25 re 3 3 9 9 Fa gt 5 5 Sr D T se So 3 FA o De P v a 4 ZE p E E 3 E 5 0 g e 8 So w os 2 2 Q o o o a 2a 2 o5 UR me A mu a a o 8 8 a m OS a qo a 0 O Ne 86 00742 Fig 3 4 Terminal strip of the Sunny Island Table 3 1 shows the conn
12. see also chapter 16 Starting phase sequence of different generator types The Sunny Island reduces its absorption of current in charging operation RUN 1 OFF not at all F_MAINS as a function of generator frequency DIESEL aS a function of generator current converter required see BWRI33 12 EE gt 72 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Name Description chapter 3 4 5 BOTH as a function of generator frequency and current converter required see chapter 3 4 5 Table 7 1 Settings for the menu GENSET 2 2 7 3 Menu FUNCT 2 3 Special Functions This menu can only be selected after the installer password level 1 has been en tered eset I do Lnt ts Load Defau Restart Update Firmware Store Permanent Fig 7 5 Menu FUNCT 2 3 In this menu cumulative measured values can be reset default parameters loaded and a firmware update can be made IS For increased safety these functions can only be triggered in standby operation of the Sunny Island IS How to run a firmware update is described in detail in a separate docu ment This will be delivered together with the PC programme required for the update 7 4 Menu BHKW 2 5 ecopower support This menu can only be selected after the installer password level 1 has been en tered BWRI33 12 EE A 73 SMA Regelsysteme Gm
13. 0 1 rrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnen 59 Fig 6 1 Display to enter password c oooooocccccccccccccnonononncnnnnncnnnannnnnnncnnnnncnnnnnnnnnnnncnnnnnnn 62 Fig 6 2 Display to enter password ita 66 Fig 7 1 Menu selection OPERAT 0 2 ccceeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeeeeeenneeeeeeeess 69 Fig 7 2 Menu branch OPERA T 0 2 sisicio cocida iii ii aa 69 le 38 Menu START 2 AAA ARA 70 BWRI33 12 EE 1 74 a SMA Regelsysteme GmbH Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Sunny Island Installation and Operating Instructions 7 4 Menu GENSET 22 AAA Dd 71 725 Menu ENG nende 73 7 6 Menu BHKW tobas donada doin 74 8 1 Menu selection SETUP 0 3 usina telatehetecetan eiedbaliadeles 5 8 2 Menu branch SETUP 0 3 eernnnnnnnnnnovnnnnnennnnnnnnnnnennnnnnnnnnnnennnnnnnnnnnnenenn 76 8 3 Menu SETTIM aa ia 76 8 4 Menu PASSWD SI A id 77 8 5 Menu PARSY S ES ind 78 8 6 Menu PARGRD 3 4 ccccsccceseeeeeeeeeeeessaeeeesneeeesaeeeeseeeeesseeeeseneeessnneeess 80 8 7 Men PARBAT DE maera aae aar aa E Eaa ea aa R 81 8 8 Menu PARGEN Ii da 85 8 9 Menu PARRET SD lsanassiarcatetescbirrticsrbiscdieneenridienetiredetie nents 89 8 10 Setting of relays as a function of battery charge degree cceeee 91 8 11 Menu PARSB 3 8 danna caca 95 8 12 Menu PARAL
14. 711 K1 t2 end Description Operating mode of relay K1 OFF Switching relay K1 off ON Switching relay K1 on AUTO Sunny Island automatically controls relay K1 as parameter 701 but for K2 as parameter 701 but for K3 as parameter 701 but for K4 Operating mode of relay K5 OFF Switching relay K5 off ON Switching relay K5 on AUTO Sunny Island automatically controls relay K5 RUN Relay is only switched on when Sunny Island is running RUN U Relay is only switched on when Sunny Island is in grid forming operation RUN I Relay is only switched on when Sunny Island is in grid tied operation HD CTRL Relay is switched during transfer from grid forming to grid tied operation TK_CTRL Relay is switched during transfer from grid tied to grid forming operation HDTK_CTRL Relay is switched during any transfer from grid tied to grid forming operation or vice versa GEN_MANU Relay is switched if generator has already been started before the Sunny Island LOAD Relay is switched in relation to load see parameter 625 to 630 as parameter 705 but for K6 Operating mode of relay K7 OFF Switching relay K7 off ON Switching relay K7 on AUTO Sunny Island automatically controls relay K7 as parameter 707 but for K8 0 23h Begin of special time period t2 for K1 0 23h End of special time period t2 for K1 BWRI33 12 EE 93 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instruct
15. Cleaning intervals depend on local conditions as well as the operat ing mode of the Sunny Island and are to be determined in an inspection which first should be made every three months User interface display The user interface can best be cleaned with a soft moistened cloth Cleaning agents containing solvents or abrasives may not be used BWRI33 12 EE E 1 67 Bi SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions Avoid unintentionally touching the membrane keys during cleaning which could trigger unwanted functions Either clean the membrane keyboard while the device is switched off or make sure password protection is activated level 0 see chapter 8 2 Function Regularly check whether there are any failures which have to be confirmed as de scribed in chapter 10 If you do not find a plausible explanation for a failure have the island grid examined by a qualified technician Especially in the first months after commissioning of the island grid we recommend to check the inverter in short inter vals monthly or even weekly This can help you detect hidden faults in installation or configuration Spot check and evaluate the entries in the menu branch DIAG 0 4 In case of any inconsistencies have a qualified technician upgrade configuration of your island sys tem We recommend to check and evaluate the entries very frequently in the first months after commissioning Parameters As long as t
16. equipped with an advanced firmware N NIN o ojojoj o BWRI33 12 EE E 1 45 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 15 Overview Measured Values Displayed Name Unit Min Max Default Description DATSYS 1 1 SN Serial number of device Vers Firmware versions of BFR and DSP UP Counter of operating hours Name Unit Min Max Default Description DATALL 1 2 Passwort Level 1 Status Current operating state 0 INIT Initialization a INIT Initialization 2 STANDBY Waiting state 3 SLAVE Slave mode three phase ope ration 4 STARTUP Start 5 RUN_U Inverter operation island grid 6 RUN I Charging operation on grid or generator 7 GEN MANU man start of generator detected 8 HD CTRL Transfer from RUN_U to RUN I 9 TK CTRL Transfer from RUN Ito RUN U 10 SHUTDOWN Shutdown 11 ERRSHDWN Shutdown due to error 12 FAULT Fault state Batt Ah In Ah into the battery Batt Ah Out cama Ah out of the battery W in kwn b b b Imput power AC side W out kwh b lo b Output power AC side Energy Count h b b b Run time of energy counter Up Time h time since switch on Up Time Pconv Sum kw Lszo 320 o Sum of grid active power Sl three phases Qconv Sum kvar Lazo s2o 0 Sum of grid reactive power Sl three phases Sconv Sum kva 320 320 o Sum of grid apparent power SI three phases Ic
17. o No special time period for relay K4 o No special time period for relay K4 Z F After the value has fallen below L1 consumer is only switched on again when the battery state has reached N4 rising 731_K4 Off t1 r Consumer is switched off when battery state L1 has been reached falling 801_ Sunny Boys Installed Installed Table 13 2 Summary of parameters to be configured IS To monitor the battery temperature a Pt100 temperature sensor has to be connected to the Sunny Island BWRI33 12 EE E 1 25 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 13 3 Single Phase PV Island Grid with Generator and Utility In case the power supply from the public utility is insufficient due to frequent long shutdown or seasonal variations the Sunny Island can provide a more independent power supply This requires that the public utility is integrated into the island grid An example is given in chapter 16 M M Generator Grid PV Modules Consumers Sunny Boy 230 V 50 Hz 60 Hz Sunny Island Batteries U 60 V nom Fig 13 2 Sunny Island with PV generator and public utility single phase This type of plant configuration requires a very sophisticated plan ning and commissioning in order to prevent any kind of accident with live wires that are assumed to be safe to touch All local regula tions and laws must be kept to and the approval of the public utili
18. simultaneously pressing both keys Table 4 4 Key combination for fast return to status display A return to the status display is automatically made if no keys have been pressed for approx five minutes I gt If this function is triggered the password level is reset to Operator level 0 at the same time 4 1 4 Edit Mode The edit mode allows to change settings and parameters You can enter the edit mode by pressing ENTER Parameters that can be edited are selected by press ing 41 Y and gt In edit mode the parameter that is to be set or modified is shown inversely If the pa rameter is selected by pressing ENTER its value can be increased or decreased by pressing the two arrow keys Y E g the unit s ten s and hundred s digits of three digit parameters can be modified separately The user can switch from one digit to the next higher or lower digit by pressing the and gt keys BWRI33 12 EE 54 om SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions By pressing ENTER you can confirm changes cancel them by pressing ESC 4 2 Menu Structure The operator must be prevented from unintentionally modifying essential device set tings Therefore you can only enter menus where such parameters can be modified after having entered an installer password These protected menus are shown as shaded in Fig 4 2 Settings and modific
19. which can be recycled the inverters can be damaged in transit which is usually the forwarder s fault Please inspect your inverter thoroughly after it has been delivered If any damages can be detected on the packaging that could make you conclude the contents is damaged or if you detect any damage please immediately notify the forwarding com pany SMA or your local supplier can help you in this matter In any case a declaration of transport damage must be made within six days upon receipt of the product and must be stated in writing directly to the forwarding agent BWRI33 12 EE E 1 0 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 1 3 General Safety Instructions BWRI33 12 EE The Sunny Island is only suitable for installation in closed rooms Therefore do not expose it to humidity rain or direct sunlight The inverter is designed for use in places up to 2000 m 6561 ft above sea level Make sure there is sufficient air circulation in the battery room Bat teries can develop an explosive gas mixture in normal operation Use specialized tools when mounting and wiring the storage battery risk of short circuit As a precaution against injuries wear suitable clothes for handling heavy and unwieldy devices when mounting and removing the Sun ny Island such as working gloves and safety shoes The device may only be opened installed and serviced by a qualified electrician E
20. 118 13 1 Sunny Island single phase with generator and PV rrrrrrrnrrrrrnrnnnnnnn 121 13 2 Sunny Island with PV generator and public utility single phase 126 BWRI33 12 EE 1 76 SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions Fig Fig Fig Fig Fig Fig Fig 13 3 Sunny Islands with PV and generator three phase oooocccccccnnncccccnccs 128 16 1 Starting phase sequence for different generator types xrrrnrnvvrrrnnnn 152 16 2 Single phase island system with generator type 1 automatic start 153 16 3 Single phase island system with generator type 2 eects 154 16 4 Single phase island system with generator type 3 eects 155 16 5 External charging of the battery by an auxiliary generator 157 18 1 Limit CURVCS OL relayS sixties o a o o Natl 165 BWRI33 12 EE ha 1 77 e SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions 24 List of Tables Table 3 1 Table 3 2 Table 3 3 Table 3 4 Table 4 1 Table 4 2 Table 4 3 Table 4 4 Table 4 5 Table 6 1 Table 6 2 Table 7 1 Table 7 2 Table 8 1 Table 8 2 Table 8 3 BWRI33 12 EE Description of terminal Strip ooocnnnnnccnocccccccnnnoconannnncnnncncnnnnnnnnnnnnnncnnos 24 Assignment of COM1 SYNG BUS interface rrrrrrrnnnnnnnnnnnnnnnnnnnnnnnnn 44 Assignmen
21. 2 Man Stop The generator is stopped immediately 3 Man Ackn Waiting times due to failures or parameters are finished However parameterized times are kept to Description None No generator present in island grid Grid forming Generator forms the grid Mains Sunny Island is operated on public utility grid BHKW MainsSunny Island is operated together with the Ecopower CHP and on the public utility grid BHKW Island Sunny Island is operated solely together with the Ecopower CHP Mains form Sunny Island is operated together with a grid forming genera tor and on the public utility grid fast Grid form Generator is grid forming and it is switched between the gen erator and the Sunny Island without interruption special instal lation measures are necessary for this fast Mains The Sunny Island is operated on the public utility grid and it is possible to switch from the Sunny Island as grid former to the public utility grid without interruption special installation measures are necessary for this fast Mains form The Sunny Island is operated together with a grid forming generator and on the public utility grid Switching takes place without interruption special installation measure are neces sary for this 0 None No generator start by Sunny Island 1 Type 1 Autostart relays K1 K2 2 Type 2 3 contacts Run Start relays K1 K2 K5 3 Type 3 3 contacts Start Stop relays K1 K2 K5 4 EcoPower Ecopower CHP
22. 5 Connection of battery to the Sunny Island The nominal voltage of the battery to be connected is 60 V DC Never remove the battery cable during operation Always switch the inverter off first BWRI33 12 EE e 27 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions The battery cables should be as short as possible Long cables re duce efficiency and the tolerable overload and deteriorate the battery management 3 4 3 Connection of Battery Temperature Sensor A PT 100 sensor with four wire technology is required to measure the battery tem perature The sensor is connected to the inverter at the terminals X1 1 X1 4 Fig 3 6 If the temperature sensor is to be connected with a shielded cable connect the shielding to terminal X1 5 This terminal is connected to the case and thus to the PE connections of the inverter Therefore make absolutely sure to avoid creating any electric bond by attaching the temperature sensor to the battery Battery temperature Sunny Island Fig 3 6 Connection of a temperature sensor To protect the battery always connect a battery temperature sensor the Sunny Island displays a failure if no sensor is installed In a three phase island system only the master Sunny Island needs to be equipped with a battery temperature sensor BWRI33 12 EE y 28 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions IF If a battery temperature sensor is
23. 80 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARGRD 3 4 Name Description 408_Fext min 40 70 Hz min AC frequency 409_Fext max 40 70 Hz max AC frequency 411_lac chrg mx 0 16A max current which the Sunny Island may take from the AC grid in grid tied operation RUN I battery is charged thereby Table 8 2 Settings in menu PARGRD 3 4 8 5 Menu PARBAT 3 5 Parameters Battery This menu can only be selected after the installer password level 1 has been en tered Fig 8 7 Menu PARBAT 3 5 In the menu PARBAT 3 5 the operator can change the parameters for the battery management of the Sunny Island In addition to the characteristic values defined by the connected lead acid battery itself such as battery capacity battery type and nominal battery voltage the settings for optimum maintenance of the capacity can be adjusted to the plant as well e g type and frequency of full charges and regularizing charges For more details on battery management and the required settings see chapter 11 PARBAT 3 5 Name 501_Cbat nom 0 10000 Ah Nominal battery capacity of 10 hours C10 Always enter value stated by manufacturer even if battery has already aged 502_Bat Type Battery type as stated by manufacturer BWRI33 12 EE e 81 a SMA Regelsysteme GmbH Sunny Island Installation amp
24. Cooling time of generator 00 o Length of time the relay is controlled to stop the generator 180 5 Period of time the generator after having been stopped cannot be restarted via the Sunny Island can be shortened by confirmation in the GENSET 2 2 menu Period of time the generator cannot be restarted via the Sunny Island after a generator failure can be shortened by confirmation in the GENSET 2 2 menu Period of time the generator cannot be restarted via the Sunny Island after a certain number of fail ures as defined in 605 GenStRetr has occurred during start up can be shortened by confirmation in the GENSET 2 2 menu 626 PldL GenOff 100 627 PldS GenOn i 100 BWRI33 12 EE i 1 38 i SMA Regelsysteme GmbH 9 Switch off threshold in of the nominal power at one phase for the power related generator start or the power related relais only K5 or K6 If the re lays shall be switched in relation to the power the parameters 705_Man K5 and or 706_Man K6 must bei set to LOAD 9 Switch on threshold in of the nominal power based on the cumulative power within the three phase system for the power related generator start or the power related relays only K5 or K6 If the relays shall be switched in relation to the power the parameters 705 Man K5 and or 706 Man K6 must bei set to LOAD i in W M 625_PldL GenOn 100 Switch on threshold in of the nomin
25. EE E 1 80 E SMA Regelsysteme GmbH
26. L3 602_GenSet None No generator present in island grid ype Grid forming Generator forms the grid Mains Sunny Island is operated on public utility grid BHKW Mains Sunny Island is operated together with the Ecopower CHP and on the public utility grid BHKW Island Sunny Island is operated solely together with the Ecopower CHP Mains form Sunny Island is operated together with a grid forming generator and on the public utility grid fast Grid form Generator is grid forming and it is switched be tween the generator and the Sunny Island with out interruption special installation measures are necessary for this fast Mains The Sunny Island is operated on the public util ity grid and it is possible to switch from the Sunny Island as grid former to the public utility grid without interruption special installation measures are necessary for this fast Mains form The Sunny Island is operated together with a grid forming generator and on the public utility grid Switching takes place without interruption special installation measure are necessary for this 603_GenSet Inte None 0 None No generator start via Sunny Island 1 Type 1 Autostart relays K1 K2 2 Type 2 3 contacts Run Start relays K1 K2 K5 3 Type 3 3 contacts Start Stop relays K1 K2 K5 4 EcoPower Ecopower CHP see also chapter 16 Starting phase sequence of different generator types Table 6 1 Parameters to be entered for configuration via N
27. Operating Instructions PARBAT 3 5 Name 503_Ubat nom 504 Ubat min 505 Ubat max 506 acid density 507 SOG ini 508 Tbat Sense 509 Tbat max 511 Bat Fan 512 Acid Pump 513 Circ time 516 Circ Qd 518 tset full 519 tset equal 520_U float 521_tVR charge Description 0 Gel gel 1 Fleece fleece 2 Lead Acid liquid electrolyte 54 60 V Nominal battery voltage Normally set to 60 V For excep tions see chapter 11 3 51 84 V Min permissible battery voltage 51 84 V Max permissible battery voltage 1 1 1 35 kg l Nominal acid density as stated by manufacturer only taken into account if inverter is started via New System or New Battery see chapter 6 O 100 Initial battery state of charge only taken into account if in verter is started via New System or New Battery see chapter 6 If set to O the Sunny Island estimates the battery state of charge based on the battery voltage 0 Not Installed Battery temperature sensor is not installed 1 Installed Battery temperature sensor is installed Automatically set to 1 in case of single phase systems or masters in three phase systems In all other cases set to 0 Can be set to 1 for slaves with additional temperature sensors installed 30 55 C Max battery temperature permissible Battery room fan installed 0 Not Installed Battery room fan not installed 1 Installed Battery room fan is instal
28. PARSYS 3 3 Parameters SyStem ceeeeeeeeeeeeeeeeeeeeeeees 78 8 4 Menu PARGRD 3 4 Parameters Grid coccccccnnnnccccccccncccccnnnnncanancnonos 79 8 5 Menu PARBAT 3 5 Parameters Battery c ceeeeeeeeeeeeeeeeeeeeeees 81 8 6 Menu PARGEN 3 6 Parameters Generator ccccccceeeeeeeeeeeeeeeeeeees 84 8 7 Menu PARREL 3 7 Parameters RelayS c ceeeeceeeeeeeeeeeeeeeeeees 89 8 8 Menu PARSB 3 8 Parameters Sunny Bo cccceeeeeeeeeeeeeeeeteees 95 8 9 Menu PARALL 3 9 all Parameters oooocococcccncccconoccccnoccncnnnnncnnnnnccnnnnos 96 9 Operating Dala DATA iit Ge cscs eGR et a cece stantial dida 97 9 1 Menu DATAV 1 0 Overview of Measured Values cccccccccnnnnos 99 9 2 Menu DATSYS 1 1 System Dala ooooococccccccnnccccncnnnanoncnonnncccnnnnnannnnnnos 100 9 3 Menu DATALL 1 2 Overall Plant Data oooococnnnncccccccccnncccconananannnnnos 100 9 4 Menu DATBAT 1 3 Battery Data orrnnnnnnnnnnnnnnrrrnnnnnnnnnnrnnnnnrrnnnnnn 101 9 5 Menu DATGRD 1 4 Grid Data cccooococcccccccncccccnnnnncnooccnnnnncnnnnnnnnnnnnnos 104 10 Diagnosis DIAG ae nea AAA 106 10 1 Menu ACKN 4 1 Error Confirmation arnnvrrrrnnnnnnnnnnvrrrnnnnnnnnnvnnnnnnnr 108 10 2 Menu HISTOR 4 2 Overall Protocol ooonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 108 10 3 Menu ERRHIS 4 3 Error Protocol
29. Table 9 4 Menu DATBAT 1 3 BWRI33 12 EE i 1 03 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 9 5 Menu DATGRD 1 4 Grid Data This menu can only be entered after the installer password level 1 has been en tered conv e 6 6 conv 6 66 Hz conv e y SpATB DATGRDR Fig 9 8 Menu DATGRD 1 4 As there is a very large number of plant data shown in the complete level 1 menu DATALL 1 2 the menu DATGRD 1 4 only shows those data concerning the AC island grid DATGRD 1 4 Name Description Uconv eff Current grid voltage Fconv Current grid frequency Iconv eff Grid current RMS value Iconv Sum Inverter current three phases Pconv Active grid power Sunny Island Pconv Sum Total of active grid power Sunny Island three phases Qconv Reactive grid power Sunny Island Qconv Sum Total of reactive grid power Sl three phases Sconv Apparent grid power Sunny Island Sconv Sum Total of apparent grid power Sunny Island three phases Uext eff RMS value of voltage on input Diesel U Fext Current grid frequency at synchronous input port lext eff Current generator current of converter lext Sum Total of generator current three phases BWRI33 12 EE 104 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions DATGRD 1 4 Name Description Pext Current active generator power Pext Sum To
30. The menu selection OPERAT 0 2 is meant for operating steps in normal opera tion 0 2 OPERAT Chapter 6 2 2 GENSET Fig 7 2 Menu branch OPERAT 0 2 BWRI33 12 EE gt 69 5 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 7 1 Menu START 2 1 Operation of the Sunny Island Fig 7 3 Menu START 2 1 By confirming the menu entry START in the menu START 2 1 the Sunny Island can be switched from standby operation to the operating mode configured before As a default setting this is the operation as a grid forming element RUN_U where the Sunny Island forms the island grid and supplies the connected consumers The op erating mode grid forming RUN_U or grid tied RUN_1 is stipulated by set ting the parameter 602 Genset Type in the menu PARGEN 3 6 Even in grid tied operating mode the Sunny Island may be transitorily grid forming This is the case if no voltage has been found in the island grid By confirming the menu entry STOP the Sunny Island is switched back into standby mode In an island grid without any other grid forming component this means that no AC voltage is on any more When the Sunny Island is started from the state it has been delivered in the start up must be made manually The inverter can also be configured to an automatic re start see chapter 8 3 BWRI33 12 EE 5 70 SMA Regelsyst
31. and error history Table 4 5 Contents of the four menu branches The menus shown in Fig 4 2 are described in detail in chapters 7 to 10 BWRI33 12 EE 57 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 5 First Commissioning of the Sunny Island After the inverter has been installed as described in chapter 3 it can be commis sioned for the first time First insert the three batteries included in delivery into the battery tray in the terminal area of the Sunny Island The correct polarity of the batteries is shown in each individual holder Make sure that both the DC fuses F1 and the AC fuses F2 of the Sunny Island are still switched off Now switch on the fuse switch disconnector at your lead acid batteries if present see chapter 3 4 2 and the DC fuse of the Sunny Island afterwards A short signaling sound can be heard the display illumination is switched on and the message START FIRMW is displayed During the following start up phase the following mes sages are shown SUNNY ISLAND SUNNY ISLAND ND SUNNY ISLA LAND SUNNY IS ISLAND SUNNY ISLAND SUNNY Y ISLAND SUNN NY ISLAND 5 Fig 5 1 Start up phase of the Sunny Island SUNNY ISLAND Date 25 11 2002 Time 17 37 35 Vers 1 394 6 66 SN 00900565654 Fig 5 2 System message of the Sunny Island BWRI33 12 EE a 58 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions A
32. as an accessory SMA order name SI GENCASE 01 which can be firmly installed in the plant The circuit diagram is shown in Fig 16 5 The figure also shows the con nection of an external generator in different operating modes and includes instruc tions for operation According to the current configuration it may be necessary to change several pa rameters so that the following settings apply 401_Phase Mode 1Phs_Single see chapter 8 4 602_GenSet Type Grid forming 603_GenSet Interf Typ 1 702 Man K2 AUTO Table 16 1 Setting for the external charge of the battery In addition the automatic generator control of the Sunny Island must not be deacti vated menu GENSET 2 2 see chapter 7 2 BWRI33 12 EE z 1 56 E SMA Regelsysteme GmbH Installation and Operating Instructions gat uzaqytyewo pny 0 2296 195 6b BunperatJa338g auJa3xa JNJ 8181S8IN 992rE 0 USJSBYITBYISUBSJTIYJSUIIS awaysksTabay YWS a ardstagsbungyrupuss PUETSI Auuns 1002 Fh 92 TT oye Javea i i 2t p e I ar l Y l wajs s puersi UUNS sep Jaqn 4Hrojya b6unpu3 ata i uapua JYIDFU swajs s Sap Uape w q sozes auag uag 1 AF VF j a i i i i Bunqusy i KN 8 1 Eee MG a I USJTEYISNZ pun Us3uye3s JabnazJawoJ73s UAUUaJX3 uag 9 U33Je35 PUETSI UUNS G i UazTeyssuta puers Auuns we 24 vazTeyIsz nyossbunzta Jy uag p y z F h van e
33. as soon as the battery has been charged with the corresponding ampere hours related to its capacity cumulative 518 tset full 519 tset equal quired 520_U float 2 25 Float charge voltage per cell 521_tVR charge min 120 Charging time for normal charge for gel or fleece batteries see also 502_Bat Type 522 tVR full 20 5 Charging time for full charge for gel or fleece bat teries see also 502 Bat Type 523 tVR equal 48 10 Charging time for equalizing charge for gel or fleece batteries see also 502 Bat Type 524 UVR charge V 2 25 2 6 2 4 Charging voltage for normal charge per cell for gel or fleece batteries see also 502 Bat Type Please follow the instructions of the battery manu facturer 525 UVR charge V 12 25 2 6 2 4 Charging voltage for full charge per cell for gel or full fleece batteries see also 502 Bat Type Please follow the instructions of the battery manu facturer 526 UVR charge V 12 25 2 6 2 4 Charging voltage for equalizing charge per cell for equal gel or fleece batteries see also 502 Bat Type Please follow the instructions of the battery manu facturer 527 tcharge i Charging time for normal charge for lead acid bat teries see also 502_Bat Type 528_tcharge full Charging time for full charge for lead acid batter ies see also 502_Bat Type 529_tcharge equal Charging time for equalizing charge for lead acid batteries see also 502_Bat
34. batteries with a nominal voltage of 60 V If individual cells fail towards the end of the battery s expected ser vice life it may be more useful to remove them completely instead of replacing them Otherwise the remaining service life of the other cells may be decreased Any re moval of cells however must always be advised to the battery management of the Sunny Island by changing the parameter 503 Ubat nom in the menu PARBAT 3 5 accordingly The failure of individual cells should always be taken as a clear signal that the whole battery will fail within a short period of time When installing a new battery via New Battery in the INIT 0 0 menu make sure to comply with the battery nominal volt age that has to be 60 V again BWRI33 12 EE a 1 1 5 s SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 12 Operating Modes The Sunny Island can be modularly combined with other power sources and must then operate in different operating modes This chapter covers both basic grid con figurations and the resulting requirements for the Sunny Island and the other compo nents in the island grid Control of voltage and frequency in the island grid The Sunny Island can operate in the following operating modes e Grid forming RUN U the Sunny Island keeps the voltage and the frequency of the grid at a constant level e Grid tied RUN 1 the Sunny Island follows the voltage and frequency t
35. case PE 123456789 10 Termination Jumpers not mounted Resistors under the Piggy Back module must be removed Connect shield to case PE 123456789 10 Last Sunny Boy max 50 MOSR15 SP Termination for last Sunny Boy Jumper 1 mounted ds Connect shield to case PE Resistors under the Piggy Back module must be removed 1234567891 Fig 3 20 Connection of Sunny Boys at Sunny Island s COM2 RS485 BWRI33 12 EE 47 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 7 2 Multiple Connection at COM2 Interface Chapter 13 describes the exemplary integration of feeders such as diesel generators or block type thermal power plants To ensure fail safe and troublefree establishment of the communication connection please follow the instructions below IS Make sure there are termination resistors at the beginning and the end of the RS485 bus These can be activated either with jumpers within the device for the Sunny Boy Control alternatively with an external bridge between pin 7 and pin 9 or with external resistors in the plug I gt One of the devices on the RS485 bus has to be equipped with balancing resistors In the Sunny Boy Control these are already activated with jumpers inside the device so that normally no additional measures have to be taken 3 7 3 Simple Connection to PC
36. controlled by Sunny Island Connection of ex ternal utility to island grid 705_Man K5 Auto Relay 5 is controlled by Sunny Island 706_Man K6 Auto Relay K6 is controlled by Sunny Island Warming up Start ing the Diesel generator 801_ Sunny Boys Installed Installed Table 13 3 Summary of parameters to be configured IS Even in island grids with feeders independent of weather conditions we recommend to wire up the consumers in a way so as to be able to switch them off with the Sunny Island via one of the relays K1 to K8 Espe cially in case of a failure generator defective etc the battery can thus BWRI33 12 EE E 1 27 B SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions be protected against harmful conditions and emergency operation can be made as efficient as possible 13 4 Three Phase PV Island Grid with Generator Generator PV Modules Consumers Sunny Boy 3 w Q Jo D of Sunny Island Batteries Vm 60 V nom Fig 13 3 Sunny Islands with PV and generator three phase Necessary configuration The installer has to set the parameters of the Sunny Island listed in Table 13 4 The values are of course only examples The generator forms the grid and is assumed to be of type 2 A current and voltage measurement for the generator should be in stalled See chapter 3 4 5 for details Parameter Configuration Description 501_Cbatnom Nominal c
37. function see chapters 4 1 2 and 4 1 3 One line down decrease value special function see chapters 4 1 2 and 4 1 3 Scroll menu bar to the left Scroll menu bar to the right ESC Interrupt stop function special function see chapters 4 1 2 and 4 1 3 ENTER Select menu item change to edit mode confirm entry Table 4 2 Function of keys 4 1 2 Contrast in Display The Sunny Island is equipped with a display that is easily legible in the standard setup even at a strong angle If you still desire to modify the contrast you can do so starting from any menu item Furthermore you can reinitialise the display which automatically resets the contrast to the standard value BWRI33 12 EE 53 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Keys Function Operation ESC 4 Weaker contrast brighter display pressing both keys simultaneously ESC Y Stronger contrast darker display pressing both keys simultaneously Reinitialisation of the display standard contrast 1 19 1 simultaneously pressing both keys Table 4 3 Key combination to set up display 4 1 3 Return to Status Display To facilitate navigation through the individual menus the Data status display 0 1 can easily be reached starting from any menu item by simultaneously pressing Function Operation AT LV Return to status display and reset of password level
38. gt island grid PARGEN 3 6 Warming up starting generator up to BFR 1 09 PARGEN 3 6 Contactor control Sunny Island lt gt island grid PARGEN 3 6 Operating state indicator PARGEL 3 7 K5 Dumpload 2 for ecopower mini CHP Table 8 5 Special functions of relays A special function is normally assigned indirectly If e g a generator type 2 has been set in the PARGEN 3 6 menu the relay K1 is automatically assigned switching on the ignition K2 is assigned the grid contactor of the generator and K5 the cranking of the generator The special functions of the individual relays are in turn activated by setting the re spective parameters 701 to 708 to AUTO Only the special function Operating state indicator can be directly selected with these parameters I gt If a relay has been assigned both a battery state dependent control and a special function only the special function is performed IS The relays are controlled by the Sunny Island in regular operation only If the Sunny Island is switched into standby mode the AC voltage is miss ing or an error state occurs all relays are dropped out after a short pe BWRI33 12 EE 92 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions riod of time PARREL 3 7 Name 701_Man K1 702 Man K2 703_Man K3 704 Man K4 705 Man K5 706 Man K6 707 Man K7 708 Man K8 710 K1 t2 begin
39. installed later the Sunny Island will only detect it after a restart 3 4 4 Connection to AC Voltage On the power side the AC voltage is connected to the automatic circuit breaker F2 If there is only one electric circuit this can be directly supplied by the Sunny Island If there are additional devices feeding the grid such as wind generators separate cir cuits and thus an external distribution is recommended AC Outlet External distribution Sunny Island Direct consumer Fig 3 7 AC voltage connection Fig 3 7 shows an exemplary layout of a subdistribution if additional electric circuits and grid feeding devices are integrated into the system BWRI33 12 EE o 29 5 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 4 5 Connection to Generator Current and Voltage Measurement If a generator diesel gas is integrated into the island grid the diesel voltage must be measured via the input Diesel sync input of the Sunny Island All integrated monitoring and control features are not available until also the diesel current is fed to the Sunny Island via an inverter The measurement is connected as shown in Fig 3 8 Diesel current input Diesel sync input Fig 3 8 Connection of generator current and voltage measurement 1 Fuses for the protection of the generator voltage sensor cables 2 Current converter Ensure sufficient fusing of the genera
40. is also considered as sufficient re pair Only the customer is responsible for the correct selection orderly use supervision and the results of the use of software SMA reserves the right to make alterations serving the improvement of the device BWRI33 12 EE 1 70 SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions 21 Declaration of Conformity DECLARATION OF CONFORMITY for island Inverters Product Sunny Island Type SI3300 We declare thet the 519300 complies with the relevant regulotions of the European Union especially the EMC regulation according to 89 336 EWG ond the low voltage regulotian according to 73 23 EWG The inverter is therefore marked with a CE sign The device especially complies with DIN EN 50081 port 1 DIN EN 50082 part I DIN EN 50178 04 98 DE 0140 DIN EN 61000 3 2 in charging operation Miashetal 08 05 3007 SMA Regelsysieme GmbH Maki Ue Mee Meinharel ss of Wand Grid Component Beseloomari AAT INDUSTRIAL COMPUTERS SOLAR TECHNOLOGY RAILWAY TECHNOLOGT NE SA Aveta bt ADAN Bd Deg Mead Gries Voley CA PEA ME AA M3 RT ll 41915105330 Paa fea dat 94 io ar AAA o cal ribeye AAPA tr AR al A da BWRI33 12 EE 1 71 SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions 22 Contact SMA Regelsysteme GmbH Hannoversche StraBe 1 5 34266 Niestetal Germany Tel 49 561 95 22 499 Fax 49 561 95 22 460
41. man agement system processor The system management processor performs overall control data acquisition and communication The power unit is mainly controlled by the DSP Fig 2 1 shows the three basic components of the battery inverter ENE l a i 1 63 ADC I Battery l Island Grid 60 V 230 V 50 60 Hz Bat Temp Relay K1 Diesel Voltage gt Relay K2 Diesel Current wee Relay K3 l Relay K4 l Service com Relay K5 I Communi ar Relay K6 cation l Relay K7 Three Phase coni gt Relay K8 Operation i y Fig 2 1 Components of the battery inverter BWRI33 12 EE 1 3 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions The purpose of the power unit control is to tune output voltage during inverter opera tion into sinus shape to guarantee constant supply to consumers In inverter operation grid voltage is controlled to 230 V 50 Hz or 60 Hz The system management can define other rms voltage values depending on the degree of bat tery charge grid voltage and voltage of a connected diesel generator In current controlled operation there can be synchronization to an external power supply unit grid diesel generator In that operating mode the battery is e g charged to a de fined degree BWRI33 12 EE z 1 4 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 Installation The Sunny Island may only be installed by a qualified technician Please
42. read the corresponding chapters carefully All installation work must be executed in compliance with the relevant standards Please follow the general safety instructions chapter 1 3 3 1 Mounting Accessories Included in Delivery Please find below the components ensuring easy mounting and installation of the Sunny Island which are included in delivery 1 Installation and Operating Instructions 1 Slide for recommended mounting to wall Fig 3 2 4 PG 13 5 glands incl nuts 4 PG 13 5 blank screwed joints 3 PG 16 glands incl nuts 3 Alkali manganese battery cells 1 Plug for battery temperature sensor 1 Plug Diesel U The following components can be delivered as an option Pt100 contact sensor to determine the battery temperature SMA order name SI BTS It is indispensable to connect a temperature sensor BWRI33 12 EE E 1 5 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Battery fuse box for the protection of the DC cables SMA order names Sl BATCASE 01 for connection of a single Sunny Island and or SI BATCASE 03 for connection of up to three Sunny Islands e Three phase synchronization cable connection between the different Sunny Islands in three phase operation SMA order name Sl Synckabel Set Plug in relay to switch loads or start stop diesel generator etc SMA order name SI BPRE NO type resp SI BPRE OE NC type e 24 V a
43. selection of Restart by pressing ENTER This will not change any of the settings already made You will thus reach the menu branch selection SETUP 0 3 where as described in chapter 7 4 you can change the desired parameters in the corresponding PARxxx 343 3 9 menus after entering the installer password in the PASSWD 3 2 menu If you have not pressed ENTER early enough you will reach the menu branch se lection DATA 0 1 From here it is also possible to reach all menus with the in staller password and change the parameters there Changes of parameters should always be made in standby mode Otherwise the corresponding operating values will change immedi ately after pressing ENTER Then incorrect entries cannot be changed fast enough and may lead to damages in the plant BWRI33 12 EE 68 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 7 Operation OPERAT Fig 7 1 Menu selection OPERAT 0 2 The menu selection OPERAT 0 2 shows the current operating modes of the Sunny Island and of a potentially connected generator In islanding operation the Sunny Island provides constant voltage and frequency on the AC voltage side and uses the battery as a buffer storage All connected consum ers are supplied and feeding devices such as the Sunny Boy String Inverters and combustion aggregates can be operated on the AC voltage side
44. switch over situations the period of time for short interruptions can be sub stantially reduced by means of a slightly more complicated cabling Fig 3 11 Natu rally this time cannot be reduced in case of a shutdown of the generator unpre dictable for the Sunny Island manual deactivation failure due to fuel deficiency or the similar BWRI33 12 EE e 32 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Diesel contactor AC Outlet Generator external distribution Generator Fig 3 11 Example of connection for an accelerated switch over generator This relay shall not overcharge the 24 V auxiliary supply output SMA order name SI BP24 A relay complying with the requirements is available with the SMA order name SI BPRETR BWRI33 12 EE 33 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 4 7 Connection to an External Utility Such a plant option requires a particularly responsible design and accomplishment in order to prevent accidents based on the assump tion that the plant is deenergized as it is disconnected from the utility In several operating modes energy feeding into the external utility is possible via the Sunny Island The illustrated interconnection plans show the grid connection oonly in principle In any case the local applicable regulations have to be complied with and the approval of the public utility
45. t2 end 724 K3 Ont1 End of special period t2 for K3 see 711 gt Rh Oo amp Switch on threshold for K3 see 712 725_K3 Off t1 o Switch off threshold for K3 see 713 726_K3 On t2 Switch on threshold for K3 in special period t2 see 714 727_K3 Off t2 Switch off threshold for K3 in special period t2 see 715 I 728 K4t2 begin 729 K412 end Beginning of special period t2 for K4 see 710 End of special period t2 for K4 see 711 730 K4 On t1 731 K4 Off t1 Switch on threshold for K4 see 712 Switch off threshold for K4 see 713 732 K4 On t2 Switch on threshold for K4 in special period t2 see 714 733 K4 Off t2 Switch off threshold for K4 in special period t2 see 715 I 734 K5 t2 begin 735 K512 end Beginning of special period t2 for K5 see 710 EN End of special period t2 for K5 see 711 736 K5 On t1 Switch on threshold for K5 see 712 737 K5 OF 738 K5 On t2 Switch off threshold for K5 see 713 Switch on threshold for K5 in special period t2 see 714 739_K5 Off t2 Switch off threshold for K5 in special period t2 see 715 I 740 K6 t2 begin Beginning of special period t2 for K6 see 710 741 K612 end 742 K6 Ont1 End of special period t2 for K6 see 711 Switch on threshold for K6 see 712 743 K6 Off t1 744 K6 On t2 Switch off threshold for K6 see 713 Switch on threshold for K6 in special period t2 see 714 745_K6 Off t2 Switch off thres
46. within the island grid will want an uninterrupted and continuous power supply the plant operators will want a long term reliability and operation of the inverter and the batteries as well The manufacturer of the island inverter must take fundamental aspects in terms of safety into account in order to provide maximum safety for the personnel and the connected components The overload capacity of the Sunny Island depends on such requirements as well In a high overload situation more than double the nominal power the Sunny Island trips the internal AC fuse F2 after a few seconds The battery management prevents an intensive discharge that could damage the batteries in case the battery charge level is low In an overload situation between 1 3 x and 2 x nominal power the performance mainly depends on the behavior of the AC fuse The behavior of the fuse in this load range mainly depends on the ambient temperature and the tolerances of the manu facturer The thresholds that are mandatory are available in the IEC EN 60947 R In an overload Situation between nominal power and 1 3 x nominal power the per formance mainly depends on the ventilation and the resulting temperature inside the enclosure of the Sunny Island In case the Sunny Island is installed in a room within the specified ambient temperature an automatic deactivation of the Sunny Island due to overheating will normally take place after a few hours or even not at all Please not
47. 0 V Battery nominal voltage 506_acid density 1 28 kg l Nominal acid density of electrolyte 401_Phase Mode 1Phs_Single Single phase operation 402 Uconv nom 230 0 V Nominal voltage AC RUN_U 403_Fconv nom 50 00 Hz Nominal frequency AC RUN_U 602 GenSET typ Grid tied Grid tied 603 GensSet inter Typ 1 Autostart relay K1 701_Man K1 Auto Relay 1 is controlled by Sunny Island 702_Man K2 Auto Relay 1 is controlled by Sunny Island connects the generator to the island grid 801_ Sunny Boys Installed Installed Table 13 1 Summary of parameters to be configured IS Even in island grids with feeders independent of weather conditions we recommend to wire up the consumers in a way so as to be able to switch them off with the Sunny Island via one of the relays K1 to K8 Espe cially in case of a failure generator defective etc the battery can thus be protected against harmful conditions and emergency operation can be made as efficient as possible BWRI33 12 EE ag 1 22 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions IF To monitor the battery temperature a Pt100 temperature sensor has to be connected to the Sunny Island BWRI33 12 EE 1 23 E SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 13 2 Single Phase PV Island Grid without Generator In an island grid only consisting of power sources based on renewable energy optimum battery management can only be guaran
48. 1 has been en tered Fig 8 12 Menu PARALL 3 9 The menu PARALL 3 9 comprises all parameters from the PARxxx menus de scribed in the chapters above Therefore you can change the parameters from differ ent areas in this menu without having to select the corresponding special menu E g this can facilitate configuration of newly installed complex island grid plants As it makes no difference whether parameters are changed in this general menu or in the respective special menu it is important as well to set up the parameters with special care and only with the required technical know how Special care has to be applied when changing the settings Incorrect or missing settings can lead to damage to the Sunny Island as well as to the connected plant components Settings must always be changed by the installer or another qualified person BWRI33 12 EE E 96 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 9 Operating Data DATA pr STANDBY SV PSI 6 W PSUM 6 6 KW EEE iS DATA UPERA TS Fig 9 1 STATUS and menu selection DATA 0 1 What makes the Sunny Island so special are its comprehensive control and powerful system management For these two it is necessary to acquire the most different elec trical and physical variables The operator can access them in the menu branch DATA DATA Relays any key chapter 8 1 1 1 2 1 3 DATSYS DATAL
49. 2 Status Signals TET ona 160 18 Technical Diada 163 19 Servicing and MaintenanCe occcccccccnnnnnnnnononnncnonnnccnnnnnnnnnnnnnnnnnnnnnnnnnnnnnncnnnnnn 166 20 Warranty and Liability Regulations oooocccccnccccncccccanccoccnoncnonananananononnnnnnnnnnnnns 169 21 Declaration or COMO Mis a GENE 171 E O 172 23 STOL HUE ae A o be odia 173 245 WISE Ol TIDE O 178 BWRI33 12 EE A 7 pi SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Important Safety Notice The Sunny Island inverter may only be opened installed and ser viced by qualified personnel The device can still be charged with very high hazardous voltages even when disconnected Please closely follow all steps as described in this document when working on the inverter BWRI33 12 EE gr 8 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 1 Introduction By purchasing a Sunny Island you have decided to use one of the most advanced modular battery inverters The Sunny Island complies with the according European harmonized standards on electromagnetic compatibility as certified in the CE decla ration see appendix In the following you will find the installation and operating instructions of the Sunny Island battery inverter Don t worry about the size of the document it is not neces sary to read everything at once This is both installer s guide and user manual so it is used as reference for the commiss
50. 3 2 L2 3 L1 4 N4 5 N3 6 N2 7 N1 8 O1 9 02 10 03 SOC act 100 110 o Battery charge degree Ubat mean v fo oo o Mean value of battery voltage Uchrg act v b 200 o Setpoint value of battery voltage Ibat mean a hiso h 50 o Mean value of battery current Ibat Sum Aa Lazo so lo lsum of battery current Sl three phases Tbat mean dege 25 125 o Battery temperature mean value Pbat mean W 32000 32000 0 Battery power mean value BWRI33 12 EE 149 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Name Unit Min Max Default Description Pbat Sum W azoo0 s2000 o sum of battery power SI three phases SOC RSK 100 110 w of module for open circuit voltage calibration SOC diff RSK b ho bo Error SOC for open circuit voltage calibration Cbat act Current capacity Qdn full me ee ee throughput discharge since last full 100Ah charge Qdn equal me eee throughput discharge since last equaliz 100Ah ing charge tpast full a b 3700 b Time since last full charge tpast equal a Jo 8700 0 Time since last equalizing charge t Uconst chg t Uconst full t Uconst equal e ime of constant U phase for normal charges O of constant U phase for full charges o frime of constant U phase for equalizing charges ChargeOper State of battery management charging method 1 none required charge voltage for battery management 2 normal normal cha
51. 3 BOTH as a function of generator frequency and current con verter required see chapter 3 4 5 0 30 Max number of attempts to start the generator before the state Fail Locked is reached see also parameter 618 Af ter the minimum run time of the generator has expired the counter will be reset 0 1000 A per 5 A Current transformer ratio in A per 5 A for measure ment of generator current 0 500 A Max generator current per phase 1 180 s Length of time the relay is controlled to glow up the generator 1 60s Length of time the relay is controlled to crank the generator 1 900 s Warm up time of generator 1 180 min Minimum run time of generator 1 900 s Cooling time of generator 1 180 s Length of time the relay is controlled to stop the generator 1 180 min Period of time the generator after having been stopped cannot be restarted via the Sunny Island can be shortened by acknowledgement in the GENSET 2 2 menu 1 180 min Period of time the generator cannot be restarted via the Sunny Island after a generator failure can be shortened by acknowledgement in the GENSET 2 2 menu 1 168 h Period of time the generator cannot be restarted via the Sunny Island after a certain number of failures as defined in 605_GenStRetr has occurred during start up can be shortened by acknowledgement in the GENSET 2 2 menu 100 100 Switch on threshold in of the nom
52. 3 9 a i 96 9 1 STATUS and menu selection DATA 0 1 ooooccnnnnnccccccccnccncconanananannncnnnnnnns 97 9 2 Menu branch DATA escoria 97 9 3 STATUS and state of the Trelay ooooicccocionicindanaidoccicc incidan iaa 98 BWRI33 12 EE 1 75 n SMA Regelsysteme GmbH Fig Fig Fig Fig Fig Fig Fig Fig Fig FIG Fig Fig Fig Fig Fig Fig Fig Sunny Island Installation and Operating Instructions 9 4 Menu DAT AV EA bores dad 99 SMN DATSYS Taran 100 9 6 MEN DATALL Zn sgeanadanddaenadmetakntanditandedsduadn 100 9 7 Menu DATBAT 1 3 ud 102 9 8 Menu DATGRD 1 4 ii e a ni eii 104 10 1 Menu selection DIAG 0 4 rnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne 106 10 2 Menu Branch DAG vass 107 103 Mnu ACKN GE na a AAA 108 10 4 Menu HISTOR 4 2 ccccccssseecssssecesseeessseeeesssesessseeeessseeeseseneesssenenesees 108 10 5 Menu ERRHIS 4 8 ii 109 10 6 Menu EVTHIS 4 4J rrrnnnroronnnvoronnnvnrnnnverarnnversnnnvnsnnnvevannnvnssnnverennnvnsnnnnee 109 11 1 Battery states with Charging MethodS ooooooooccccccncccccncconancnonnncccnnnnaannn non 112 11 2 Dependency of the battery state on the charge degree and possible switching OPERA ONS ona 113 12 1 Sunny Island as grid forming element wurrrrrnnnnnnnnvrrrnnnnnnnnnnnnnnnrrnnnnnn 117 12 2 Sunny Island with external grid former ervnnnnnnnnnnnnnvrrrnnnnnnnnnnnnnnnnrnnnnnn
53. 35 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Sl BPRE OE 13 external distribution utility grid Fig 3 13 Connection for an accelerated switch over utility This relay shall not overcharge the 24 V auxiliary supply output SMA order name SI BP24 A relay complying with the requirements is available with the SMA order name SI BPRETR BWRI33 12 EE y 36 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 4 8 Connection to Generator and Utility Such a plant option requires a particularly responsible design and accomplishment in order to prevent accidents based on the assump tion that the plant is deenergized as it is disconnected from the utility In several operating modes energy feeding into the external utility is possible via the Sunny Island The illustrated interconnection plans show the principle grid connec tion In any case the local applicable regulations have to be complied with and the approval of the public utility company is mandatory The connection of the island grid with generator to an external utility is supported by the Sunny Island from Firmware BFR 1 50 and higher For this purpose a special external interconnection with the voltage measurement is required as shown in Fig 3 14 BWRI33 12 EE E 37 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Sh sprRE_113
54. 9 E mail hotline sma de Internet http www sma de BWRI33 12 EE 1 72 SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions 23 List of Figures Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig 2 1 Components of the battery inverter 2 eee eee eeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeees 13 3 1 Mounting slide with fastening points oooooocccccccnccccnnonanoccccnnnncnnnanananancncncnnnnns 19 3 2 Side view of the Sunny Island with dimensions rrrrrrrnnnnnvrrnnnnrrrrnnnnnnnnnnnn 20 3 3 Cable glands and terminals of the Sunny Island oooccnncnnnnnnccncccccnnnnnns 22 3 4 Terminal strip of the Sunny Island sesnnnnrrrrrnnnnrvnnnnrrrrnnnnnrnnnnnnrrrnnnnrrrnnnnnnn 23 3 5 Connection of battery to the Sunny Island ceceeeeeeeeeeeeeeeeeeeeeeeeeees 27 3 6 Connection of a temperature Sensor cc cece ee eeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeees 28 SAG Voltage CONNGCION ua 29 3 8 Connection of generator current and voltage measurement rrrnnnnnnnnnrnn 30 3 9 Power loss due to the secondary circuit to the inverter ooooccnnnnicncccccncccccs 31 3 10 Connection of a diesel generator coooocccnnnnncccccnnnnncccnnncnnnnnnccnnnncnnnnnn 32 3 11 Example of connection for an accelerated switch over generator 33 3 12 Connection to an external utility osos 35 3 13 Connectio
55. A PC is connected to a Sunny Island via RS232 with an ordinary serial data trans mission cable modem elimination cable SMA order name SBCO PC If your PC is equipped with DB25 plugs or if only a DB25 plug is free e g the COM1 DB9 plug is already used by a serial PC mouse you additionally require a DB25 DB9 adapter SMA order no 36 5010 You can also manufacture such a cable yourself following the description in the manual for the Sunny Boy Control chapter 3 2 PC interface You will find this man ual on our website www SMA de for download BWRI33 12 EE a 48 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 7 4 Alternative Communication at COM1 Interface Fig 3 21 shows as an example a simple island grid plant with a Sunny Boy as the photovoltaic feeder Sunny Island Sunny Boy Control Plus and communication PC A motor feeding the grid is not included here but could be easily integrated The RS485 interface COM1 SYNC BUS of the Sunny Island to the PC is available for communication in a single phase island grid All parameters and measured val ues of the Sunny Island can be displayed in the well known manner with the com munication software Sunny Data Sunny Island Sunny Boy Iragg 1 PT100 PT100 Power Power Water E 99 ambiente PV Module PV plant consumer quantity c c Connection Box COM 2 1200 Baud COM 1 9600 Baud Sunny Boy Control Plus
56. AG Chapter 9 4 2 4 3 4 4 HISTOR ERRHIS EVTHIS Fig 10 2 Menu branch DIAG If an error has occurred or a limiting value has been exceeded the Sunny Island first switches to the operating state FAULT for a few minutes IS Selecting the menu item Acknowledge in the menu ACKN 4 1 short ens the time the inverter is in FAULT state even if the type of error oc curred does not have to be confirmed Subsequently the Sunny Island switches to the operating state STANDBY This means that an automatic starting attempt can be made if this has been activated with the parameter 310 Auto Start e g in the menu PARSYS 3 3 If an error state that has made the Sunny Island switch off persists the Sunny Island first performs the defined number of starting attempts and subsequently switches to the operating state STANDBY This procedure is repeated approx every hour The Sunny Island may start autonomously Keep this in mind when you want to work on the island grid Always switch off the AC fuses of all Sunny Islands in the island grid first DIAG 0 4 Parameter Description Pending Number of errors occurred and detected Not Ackn Number of errors still to be confirmed by the operator Current Error Error occurred last and still present Table 10 1 Displayed menu selection DIAG 0 4 BWRI33 12 EE z 1 07 e SMA Regelsysteme GmbH Sunny Island Installation
57. L DATBAT 1 4 DATGRD Fig 9 2 Menu branch DATA In normal operation a selection of the most important measured values is continu ously shown on the Sunny Island display In addition the current state of the relay is displayed by pressing the ESC button BWRI33 12 EE gt 97 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PSI 6 H PSUM 6 6 KH ke aa RELAIS 00000000 Fig 9 3 STATUS and state of the relay You can go back to the window STATUS and menu selection DATA 0 1 see Fig 9 1 by pressing any button The values displayed are AC current of Sunny Island also as bar positive discharging power nega tive charging power PSUM Cumulative AC current of connected Sunny Island for example in case of three phase system also as bar Relais Display of the relay state o relay is not controlled relay is controlled Table 9 1 Spot values shown in DATA 0 1 BWRI33 12 EE 98 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 9 1 Menu DATAV 1 0 Overview of Measured Values Fig 9 4 Menu DATAV 1 0 An overview of the current values is displayed in the menu DATAV 1 0 similarly to the both menu STATUS Whereas the STATUS display rather serves as a fast function control the menu DATAV is a support for installation and optimization of the system The values displayed are Battery s
58. Net protocol For communication to Sunny Boys set to SUNNYNET Baud rate COM2 bits s 2 1200 5 9600 6 19200 For communication to Sunny Boys or Sunny Boy Controls set to 1200 a 1 31 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARALL 3 9 Parameter Unit Min Max Default Description 401 Phase Mode slave 3 6 3Phs M str1Set three phase operation device is master L1 10 3Phs SIv1L2 three phase operation device is slave L2 11 3Phs SIv1L3 three phase operation device is slave L3 Setpoint value of AC voltage which the Sunny Is land is to provide in its function as the grid forming 402 Uconv nom V 200 element RUN_U 403_Fconv nom Hz 40 70 50 60 Setpoint value of AC frequency which the Sunny Island is to provide in its function as the grid forming element RUN_U 404 Uext nom 260 2 Nominal AC voltage RUN I 30 405 Uext min 2 200 Lower limit for AC voltage 406 Uext max 2 255 Upper limit for AC voltage 407 Fext nom 7 0 60 Nominal AC frequency Sunny Island is in grid tied operation RUN 1 50 Hz 60 Hz design 0 1Phs_Single single phase operation inverter is the only device 1 1Phs_Psingle single phase parallel operation with one battery per device grid and generator not possi ble 2 1Phs_Mstr2 single phase parallel operation with two devices with one single batterry pack device is master 3 1Phs_Mstr3 singl
59. OG ini 100 Initial discharge degree of battery only taken into acount if inverter is started via New System or New Battery see chapter 6 If set to O the Sunny Island estimates the dis charge degree based on battery voltage 508_Tbat Sense 1 1 Battery temperature sensor installed 0 Not installed 1 Installed Automatically set to 1 in single phase systems or masters in three phase systems in all other cases set to 0 Can be set to 1 in slaves if temperature sensors are additionally installed there 509 Tbat max Maximum battery temperature permissible 511 Bat Fan 1 Battery room fan installed only for lead acid bat tery with liquid electrolyte 0 Not installed 1 Installed 512 Acid Pump 1 Only for lead acid battery with liquid electrolyte 0 Not installed Electrolyte circulation pump not installed 1 Installed Electrolyte circulation pump in stalled By selecting Installed the electrolyte circulation pump is switched on depending on settings of pa rameters 513 to 516 Irrespective of battery values however there is at least one circulation and 9 cir culations maximum per day BWRI33 12 EE 1 33 E SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARALL 3 9 Parameter Unit Min Max Default Description 513 Circ time s 1 3600 300 Run time of electrolyte circulation per circulation process 516_Circ Qd 0 1 Electrolyte circulation is triggered
60. Spe Bae i as gt 1 ie AZ zl m l z z I I EEN Hoe aes E I BUNTTS814aAQ VF za AF Tta i s al T Bp yg ERE A US XXX tl T 1 T zu eet zy z TU e o oo m 7 mot el o o sy of ef zd TI 38 hT ETETA ex HT ET IZA Niza Tiza TXT Ty 74 T It TON ura ZHOS ADEZ DOT ld uta Bunssaw BUEBUTJ DUAS zynyos Buebsny unzessduaz A09 Teserg uosstassrg Teserg tasetg 38 1381188 1303108 T ti pa de gt ea 1 81STSTynNTYaSsugy puers Auuns Prs gt ans Soe dr E ral hz EZ zz TZ oz 6T aT Zt QT ST hT ET zT TT oT 6 8 Z s h z T tart ICS Single phase island system with generator type 1 automat Fig 16 2 SMA Regelsysteme GmbH 153 BWRI33 12 EE Installation and Operating Instructions Sunny Island ys Z TO TT Auttom 3581 awen aye eusayTY 017 z0 Z dAl 0 ZZS6 T9S 6ht aTetdsteqsBun1ye par Tus 002 Z0 ho PUTAS Teserg 47u T 99YS8TN 99ZhE A ANETT PTs JON 29 TOA wajsAsuaseydut3 awazsSASTabBay YWS pueTs Auuns Tooz TT 60 2380 daa NS 18 Teyaszqnyoss6unyta7 G r 7 GAL T BASS I Jozyesauablasatg sayaneuquay i oos awwaTys6unsayots 0 og 5seTuB
61. Sunny Island Installation amp Operating Instructions Version 2 1 Bidirectional Battery Inverter SI3300 for Stand alone Applications BWRI33 12 EE1203 Sunny Island Installation amp Operating Instructions Alteration Review Document Issue and type Comments number of alteration BWRI33 01 EE1502 Translation of German issue 1 3 Wollny 01 EE3302 Final English translation Wollny 01 EE3002 Translation of chapter 14 Wollny 12 EE1203 A C Changes due to Firmware Version 1 50 A Changes due to faulty documents or improvement of the documentation B Changes maintaining full or upward compatibility C Changes limiting or excluding compatibility BWRI33 12 EE E 2 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Explanation of Symbols used in this Document To enable optimal usage of this manual and safe operation of the device during in stallation operation and maintenance routines please note the following description of symbols This indicates a feature that is important either for optimal and comfort is able usage or optimal operation of the system Example To keep string voltage low we recommend the following proce dure This indicates a fact or feature which is very important for the safety of the user and or which can cause a serious defect if not applied appropri ately Example Disconnect the mains plug before opening the case This indicates a
62. Type 530_Ucharge Charging voltage for normal charge per cell for lead acid batteries see also 502 Bat Type The value should be reduced to 2 45 V in case an electrolyte circulation pump is installed Please follow the instructions of the battery manu facturer BWRI33 12 EE a 1 34 E SMA Regelsysteme GmbH Sunny Island PARALL 3 9 Parameter Unit Min Max Default 531 Ucharge full V 2 2 45 536_Fan on del eu 1440 1 Installation amp Operating Instructions Description Charging voltage for full charge per cell for lead acid batteries see also 502_Bat Type The value should be reduced to 2 45 V in case an electrolyte circulation pump is installed Please follow the instructions of the battery manu facturer Charging voltage for equalizing charge per cell for lead acid batteries see also 502 Bat Type Please follow the instructions of the battery manu facturer Start of time period when the low battery load mode is permitted see also 535 Stat StopT End of time period when the low battery load mode is permitted see also 535 Stat StopT In case of deep cycle discharge the device will switch off to reduce strain on the battery if no charging current of a minimum of 1 A flows into the battery for more than 5 minutes within the defined time period see also 533 Stdby t beg 534 Stdby t end The low battery load mode is always activated when one batter
63. a Pt100 temperature sensor has to be connected to the Sunny Island IS Even in island grids with feeders independent of weather conditions we recommend to wire up the consumers in a way so as to be able to switch them off with the Sunny Island via one of the relays K1 to K8 Espe cially in case of a failure generator defective etc the battery can thus be protected against harmful conditions and emergency operation can be made as efficient as possible BWRI33 12 EE 129 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 14 Overview Configurable System Parameters Normally the system parameters can only be displayed and changed after the in staller password has been entered The following overview is meant primarily as a reference list for set up of parameters via one of the interfaces of the Sunny Island Therefore the names of parameters are not always exactly the same as those shown on the Sunny Island display The column Description additionally shows the num ber which has to be transmitted to select the respective setting The parameter num ber shows you in which specific PARxxx 3 x menu you will find the respective parameter 00 PARSYS 3 3 PARGRD 3 4 3 mf PARBAT 3 5 PARGEN 3 6 PARREL 3 7 PARSB 3 8 Table 14 1 Allocation parameter number menu PARALL 3 9 Parameter Unit Min Max Default Description
64. al power at one phase for the power related generator start or the power related relais only K5 or K6 If the re lays shall be switched in relation to the power the parameters 705_Man K5 and or 706_Man K6 must bei set to LOAD i i Sunny Island Installation amp Operating Instructions PARALL 3 9 Parameter Unit Min Max Default Description 628 _PldS GenOff 100 100 Switch off threshold in of the nominal power based on the cumulative power within the three phase system for the power related generator start or the power related relays only K5 or K6 If the relays shall be switched in relation to the power the parameters 705_Man K5 and or 706_Man K6 must bei set to LOAD 629 TavgLdLx Sec 5 10 Averaging time for the power calculation per phase see also 625 PldL GenOn and 626_PIdL Gen Off 630_TavgLdSum Averaging time for the calculation of the cumulative power within the three phase system see also 627_PIdS GenOn and 628_PIdS GenOff 631_PldLzMin 100 Lower limit for the charging state when the Eco power CHP will always be started 632_PldLzMax 100 Upper limit for the charging state when the Eco power CHP will never be started 633_PConsMin W 2000 1000 Lower limit for the load power cumulative power averaged over all three phases within the time pe riod of the parameter 630_TavgLdSum that has to be exceeded in order to start the Ecopower CHP
65. aller password in the menu PASSWD 3 2 and then confirm Restart in the FUNCT 2 3 menu Normally however switching the inverter off and on again should be the easier way BWRI33 12 EE 60 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 6 Configuration The Sunny Island will be used especially in those island grids which are modularly structured The more complex such an island grid is the higher the number of set tings to be made at the Sunny Island to achieve optimum operating behavior The Sunny Island has to be configured with special care Both the Sunny Island and the other connected components of the plant can be damaged due to incorrect or missing settings Therefore the Sunny Island always has to be configured by the installer or another qualified person To make the process clear we distinguish between the following three reasons for configuration 1 The Sunny Island has never before been adjusted to the plant where it is in stalled now This is the case if it is newly installed or if many components are removed from or added to the plant at the same time In this case a basic configuration has to be made first via the menu item New System in the INIT 0 0 menu after the Sunny Island has been switched on This includes the required settings for the connected battery 2 The lead acid battery connected to the Sunny Island has been replaced or modified I
66. amp Operating Instructions 10 1 Menu ACKN 4 1 Error Confirmation 4 1 STANDBY Error Wo 6 Acknowledge Ge HISTORS Fig 10 3 Menu ACKN 4 1 This menu always shows the last serious error that has occurred The operator has to confirm this error state by selecting the menu item Acknowledge If there are more than one of those error messages they have to be confirmed one after the other 10 2 Menu HISTOR 4 2 Overall Protocol Fig 10 4 Menu HISTOR 4 2 This menu comprises a chronological list of all changes of operating states logged by the Sunny Island events exceeded limiting values and errors errors alerts The date and time of occurrence are logged as well for each of these A list of messages available is provided in chapter 17 BWRI33 12 EE 1 08 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 10 3 Menu ERRHIS 4 3 Error Protocol Fig 10 5 Menu ERRHIS 4 3 The menu ERRHIS 4 3 lists the exceeded limiting values and errors occurred that are shown in the menu HISTOR 4 2 10 4 Menu EVTHIS 4 4 State Protocol E B14 STANDBY 25 11 17 29 04 EABH Reset CERRAIS Sure Fig 10 6 Menu EVTHIS 4 4 The menu EVTHIS 4 4 lists the changes of operating states that are shown in the menu HISTOR 4 2 BWRI33 12 EE E 1 09 5 SMA Regelsysteme GmbH Sunny Island Installation amp Operating In
67. anges of these settings can lead to incorrect configuration which the Sunny Island cannot immediately de tect in operation Therefore changes of interface parameters are only implemented at the next restart of the Sunny Island by switching it on again or via the RESET 2 3 menu In this menu the operator can also stipulate the number of autostart attempts to be made after an error has occurred or the DC voltage has been switched on If this value is set to 0 state in which the inverter is delivered the Sunny Island does not start automatically The start up attempts based on low strain operation of the battery see chapter 14 parameter 517_BS Tstop are independent of the number of autostart attempts set up even if this has been set to 0 BWRI33 12 EE 78 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARSYS 3 3 Name 310 Auto Start 312 COM1 Proto 313 COM1 Baud 317 COM2 Baud Description 0 255 Number of autostart attempts 0 autostart off within 1 hour After 1 hour operation the counter is reset Autostart means that the Sunny Island restarts automati cally app 10 sec after an error message In addition the Sunny Island starts automatically after switching on the DC voltage in case the Autostart function is activated ATTENTION The Sunny Island s low battery load mode is not affected by this setting Run ning in that mode it is thus po
68. apacity of the battery as stated by manufacturer 502_Bat Type Depending on type gel fleece or liquid 503_Ubat nom Nominal battery voltage 506_acid density Nominal acid density of electrolyte 401_ Phase Mode Three phase operation define one inverter as master 3 phase master L1 the other ones as slaves 3 phase slaves L1 and L2 402 Uconv nom Nominal voltage AC RUN_U 403_Fconv nom 50 00 Hz Nominal frequency AC RUN_U BWRI33 12 EE ag 1 28 E SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Parameter 410_lext nom 602_GenSET typ 603_GenSet inter 604_GenSet Ctrl 609 GenLoad min 701_Man K1 702 Man K2 706_Man K6 801_Sunny Boys Configuration Description Grid forming Grid forming Configure generator nominal current per phase Typ 2 Autostart Relays K1 K5 _Diesel Control of generator current current transformer required Minimum capacity utilization of generator in if value falls below this limit the generator is switched off taking into ac count the minimum run time 613_tGen minrun Auto Relay K1 is controlled by Sunny Island Auto Relay K2 is controlled by Sunny Island Connection of genera tor to island grid Auto Relay K6 is controlled by Sunny Island Warming up Starting o o gt Installed Installed the Diesel generator Table 13 4 Summary of parameters to be configured To monitor the battery temperature
69. asures have to be per formed when erecting a three phase island system Three phase options are not shown here so as not to confuse the reader Diesel Status Off Lock Fail Dead Stop Typ 1 on Operate K 1 off pe ee ee A on I Grid K 2 off l LAA Typ 2 on Ignition K1 off on I Grid K 2 off I I on Grank K 6 off Oe A Typ 3 on Glow Stop K1 off on Grid K 2 off on l I I Grank K6 off I I I Fig 16 1 Starting phase sequence for different generator types depending on the firmware version other relays are used for this feature see Table 8 5 BWRI33 12 EE 1 52 a SMA Regelsysteme GmbH Installation and Operating Instructions Sunny Island US I 01 z0 T dAl 0 ZZS6 19S 6h STOTIS FOGSBUNHYEIP SSA ea een poe eee Tous 00z zoho ursa Tasatg 3tu Te 4 S TN 99ZhE 0 Uueuszursyp 10M TI TOA waysAsuaseyduty awazSAsTabay Bus pueTs Auuns Fane Tr 4 755 JSJ eyasuuadpjse SN 8WWSTYSBUNJSYITS 0 T Ja3Tey9sz3nyossbun ta UNAS r OED TAKE oS BT ESTE 1 I JoyeuauaBbpasatg IR A ee A MASE T I a a sal o H l 00T Ld T l i i i oteren aes T a e L Ans de OR 4 oes ae eae are J L AE RE Os a OE ee 4 i gt Tuag
70. ation with the eco power CHP 701_Man K1 Auto Power of Dumpload 2 that has to be connected to the relay K6 of the Sunny Island during the operation with the Eco power CHP 706 Man K6 Auto Minimum power of the Ecopower CHP Maximum power of the Ecopower CHP Minimum run time of the Ecopower CHP Minimum pause time of the Ecopower CHP BWRI33 12 EE 87 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARGEN 3 6 Name 642 BHKW Tmax Description 0 20 000 s Maximum run time of the Ecopower CHP in mode 2 fast control 0 3300 W Requirement of the Ecopower CHP when the load at one 644 PldOnLx phase has been exceeded 710 715 Conditions for generator start see chapters 8 7 and 11 Table 8 4 Settings in menu PARGEN 3 6 BWRI33 12 EE E 88 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 8 7 Menu PARREL 3 7 Parameters Relays This menu can only be selected after the installer password level 1 has been en tered OFF 702 Man KZ DFF 93_Man K3 or AP J PARREL 24 Fig 8 9 Menu PARREL 3 7 In the menu PARREL 3 7 you can define how the relays K1 to K8 available as accessories are to be controlled In the state the Sunny Island is delivered in none of the relays is controlled setting OFF Manual Each relay can be switched on and
71. ations of system parameters may only be car ried out by specially trained personnel Menus with a white background can be viewed by the operator without a password They are used in normal operation to operate and monitor the Sunny Island and the plant components it controls BWRI33 12 EE 55 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Start up phase 0 0 0 0 0 0 New System INIT New Battery Password Parameter ESC entry settings 10 Seconds idle time o N o do 0 1 0 4 status lESCL STATUS patra OPERAT SETUP DIAG chapter 8 chapter 6 chapter 7 chapter 9 1 0 2 1 DATAV START SETTIM ACKN m are A DN 1 1 2 2 oo N A Ne DATSYS GENSET PASSWD HISTOR 12 4 3 DATALL FUNCT PARSYS ERRHIS oo 4 4 DATBAT BHKW PARGRD EVTHIS mn mn a w w w w w w w q I o a ES o DATGRD PARBAT A PARGEN PARREL PARSB Only selectable with 3 9 installer password PARALL Fig 4 2 Menu structure BWRI33 12 EE 56 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions As shown the menu is structured into the following main branches EJE DATA Overview of the most important operating data display of measured system values OPERAT Sunny Island operating functions and generator settings SETUP Setting of data and parameters DIAG Instructions for error diagnosis and correction status
72. bH Sunny Island Installation amp Operating Instructions Fig 7 6 Menu BHKW 2 5 The Sunny Island can control ecopower Mini combined heat and power units of the company VALENTIN Energie und Umwelttechnik GmbH If one or more CHPs are available in the system the corresponding values must be set in the menu PARGRD 3 4 The CHP is controlled via the serial RS232 inter face COM3 of the Sunny Island The menu BHKW 2 5 is primarily used for the display of the CHP s operating state In addition it can be used for the commissioning of the plant to manually switch on and off the CHP with special inputs All inputs are only valid until the menu is quit The menu items are BHKWSTATE State meaning see CHP documentation PBHKW Effective power can be set PBHKWMAX Total power capacity of all connected CHPs PBHKWSET Power input can be set BHKWMODE Operating mode can be set meaning see CHP documentation Table 7 2 Settings in the menu BHKW 2 5 BWRI33 12 EE 5 74 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 8 Settings SETUP at 3 11 2002 v Pm F Fa T 1 5 21 SETUP DIA cia Fig 8 1 Menu selection SETUP 0 3 In the menu branch SETUP 0 3 you can set up all parameters Usually you have to enter the installer password level 1 see chapter 8 2 Only less important set tings like time and date can be changed by the operator without havin
73. ch on dumpload N1 Very high se None Switch off dumpload curity of sup ply N2 High security Notification of charge degree if Switch off first load groups that are of supply required first reduction of con not continuously used or reduction sumers of power N3 Normal secu Either reduce consumption or Switch on dumpload soon or switch rity of supply make sure battery is charged off certain load groups soon N4 Low security Either reduce consumption Switch on dumpload immediately of supply drastically or make sure battery or switch off all load groups that is charged soon are not urgently required L1 Increasing ag Reduce consumption except for Switch on dumpload immediately ing emergency supply initiate or switch off all load groups except charging alarm message for emergency supply L2 Strong aging Switch off all consumers initiate Switch on dumpload immediately charging or switch off all external load groups L3 Very strong Reduce internal consumption Inverter into standby operation aging immediately initiate charging alarm message via switch off L4 Destruction of Immediately reduce internal Switch off inverter battery immi consumption initiate charging nent alarm message via switch off Table 11 2 Battery states and recommended measures BWRI33 12 EE 1 1 4 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 11 3 Failure of Individual Cells The Sunny Island is designed for the connection of lead acid
74. charge throughputs A full charge leads to complete charging of the battery in order to avoid irreversible ag ing due to low charge degrees An equalizing charge is initiated every 180 days or 30 charge throughputs preventing that the individual cells within the entire battery system over time have charge de grees differing among each other and avoiding aging of individual cells The respective charges are switched off according to the criteria for voltage current and time periods adjusted to the individual battery types 11 2 Battery States The battery management determines the state of the battery out of a selection of eleven possible battery states It informs the relay control about the determined bat BWRI33 12 EE E 1 1 2 E SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions tery state The mostly dominant input variable which is most important for the calcu lation of the battery state is the charge degree see Fig 11 2 This mainly provides information on the availability of the battery In addition to the charge degree how ever other variables mainly concerning battery aging are also used for calculation These are e g the battery voltage during overcharging or exhaustive discharging but also the times after a full charge or an equalizing charge has first been re quested The battery state therefore shows that either the availability of the energy stored deteriorates considerably due to the d
75. company is man datory If the public mains supply often fails an island utility can be desirable In this case the Sunny Island will normally charge the battery during supplementary grid feeding from the external utility In case of mains failure the plant must be disconnected from the external utility and the Sunny Island must provide the 230 V island grid in grid forming operation After the external utility has recovered the Sunny Island needs to detect this voltage and the switch over to island operation mode has to be reversed The necessary wiring is shown in Fig 3 12 The voltage sensor cables that also have to be connected with the voltage measurement input port Diesel sync input just like in the case of the connection of a generator see chapter 3 4 5 and chapter 3 4 6 are not shown BWRI33 12 EE 3 34 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions AC Outlet external distribution utility grid Fig 3 12 Connection to an external utility The switch over times can also be reduced by means of a more complicated wiring for the connection to the recovered external utility Fig 3 13 Of course the Sunny Island can by no means forecast a failure of the external utility Thus it is in principle not possible to reduce this time during the switch over to island operation mode Fig 3 13 does not show the necessary wiring of voltage sensor cables either BWRI33 12 EE y
76. conv SOC diff Current battery charge degree battery state see chapter 11 2 Current battery charge degree in per cent Total battery power three phases Total battery current three phases Operating state of the generator Error of the generator Switch state of relay K1 Switch state of relay K2 Switch state of relay K3 Switch state of relay K4 Switch state of relay K5 Switch state of relay K6 Switch state of relay K7 Switch state of relay K8 Frequency at input Diesel U RMS value of voltage at input Diesel U RMS value of current at input Diesel Power of generator connected to input ports Diesel U and Mean value of battery voltage Mean value of battery current Mean value of battery power Mean value of battery temperature Current AC output frequency Current AC output voltage RMS value of current AC output current Current AC active power Sunny Island Current AC apparent power Sunny Island Estimated error of the calculated charge degree of SOC act Table 9 3 Menu DATSYS 1 2 password level 0 9 4 Menu DATBAT 1 3 Battery Data This menu can only be selected after the installer password level 1 has been en tered BWRI33 12 EE 101 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Fig 9 7 Menu DATBAT 1 3 As there is a very large number of plant data shown in the complete level 1 menu DATALL 1 2 the men
77. copy of the invoice the distributor has issued to the consumer The type plate at the device must be fully legible In case of non fulfillment SMA reserves the right to refuse warranty services free of charge Conditions SMA will decide whether it will repair the device in its works without invoicing material and labor costs or deliver a replacement device The rejected device is to be returned to SMA in the original packing or in a transport packing of equal quality free of charge The customer has to grant SMA the necessary time and opportunity to repair the de fects BWRI33 12 EE 1 69 a SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions Exclusion of Liability The above rights held by the customer and any liability by SMA are excluded in case of damages due to e transportation damages improper installation or commissioning e improper alterations modification or repairing attempts inappropriate use or operation insufficient air supply to the device e non compliance with relevant safety regulations VDE etc non fulfillment of maintenance instructions if applicable e force majeure e g lightning over voltage storm fire Any liability in case of more extensive damage claims is excluded if not compelling as stated by law We do not guarantee that the software is completely free of failures In case of a failure an instruction how to avoid the effects of the fault
78. ctions 0 23h Beginning of period when low strain operation of battery is permissible see 535 Stat StopT 0 23 h End of period when low strain operation of battery is permis sible see 535 Stat StopT L4 O3 In case of deep cycle discharge the device will switch off to reduce strain on the battery if no charging current of a minimum of 1 A flows into the battery for more than 5 min utes within the defined time period see also 533_Stdby t beg 534 Stdby t end The low battery load mode is always activated when one battery state lower is reached However from 6 am to 6 pm the Sunny Island attempts to switch on BWRI33 12 EE 83 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Name 536 Fan on del 537_Fan off del 538 loss nom PARBAT 3 5 Description every four hours 0 1440 min ON delay for battery room fan In order to use this setting 511 Bat Fan must be set to Installed 0 360 min OFF delay for battery room fan In order to use this setting 511 Bat Fan must be set to Installed Specific leakage current of battery during float charge at 20 C 100 0 mA per 100 Ah Approximate values 30 mA 100 Ah for new batteries 80 mA 100 Ah for batteries strongly aged This value is NOT automatically determined by the Sunny Island Battery man agement can therefore be optimized by manually adjust
79. d accordingly The Sunny Island is capable of running four different charging methods The different voltages values and charging times of those methods are adjusted with temperature compensation to the respective battery type that has been set via parameters or adaptively determined The charging methods have been designated as follows Normal charge as often as possible e Full charge at least once a month if possible e Equalizing charge every two to three months e Float charge after one of the other charging procedures has been completed Charging is initiated by the battery management i e requested from the system management when certain battery states have been reached BWRI33 12 EE a 1 1 1 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 180 days or 30 charge throughput 14 days or 8 charge throughputs Normal charge U 2 55 V lt Vv Nm z Jg Equalizing charge Full charge U 2 45V 3 U 2 5V oF Float charge U gt 2 4V for 10h iS U gt 2 45V for 5 h 180 days or 30 charge throughputs Fig 11 1 Battery states with charging methods The specified values are default values for a closed not circulated lead acid battery A normal charge is made when the charging degree has fallen below 70 The pri ority is a short run time of an additional aggregate e g diesel generator By default a full charge is completed every two weeks or 8
80. d in chapter 5 where you select the menu item New System with the arrow keys and confirm it with ENTER Now enter the password for level 1 installer Fig 6 1 Display to enter password BWRI33 12 EE 62 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions As soon as you have entered the password correctly all settings and val ues acquired adaptively up to this point are overwritten with standard va lues After you have entered the password you will reach a menu where you have to set up essential parameters for the battery the connected generator and the type of is land grid to ensure proper operation Parameter beit oser oU i 501_Cbatnom 350 Ah Nominal capacity of the battery of 10 hours This always has to be entered as defined in the manufacturer s instructions even if the battery has already aged In case the manufacturer did not specify a capacity of 10 hours select the specification that is nearest to the capacity of 10 hours 502_Bat Type Lead acid Lead acid battery with Lead acid liquid electrolyte Fleece electrolyte bound in fleece Gel electrolyte bound in gel 503_Ubat nom 60 0 V Nominal battery voltage Normally 60 V have to be set For ex ceptions see chapter 11 3 506 acid density 1 28 kg l Nominal acid density of electrolyte should be entered as defined in the manufacturer s instructions to accelerate its adaptive de termination by the Su
81. ductor of a mini mum 10 mm cross section or with two separate copper conductors with cross sections corresponding at least to the respective AC con ductor If the two ground conductors are not part of the AC connection cable they should have a minimum cross section of 4 mm each Due to galvanic isolation between the battery and grid side within the Sunny Island it is basically possible but not absolutely necessary to ground the minus or plus pole of the battery externally In this case make sure that the very high currents that can occur for a short time in case of a error are discharged as well We cannot make general recommendations for the dimensioning of the required grounding cable as this considerably depends on the type of battery used the exter nal fused interrupter and the design of the incoming cables of the battery If an additional grounding cable with a larger cross section is required this can be connected to the M6 threaded hole marked as such on the aluminum backplane heat sink of the Sunny Island BWRI33 12 EE E 25 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions IF The required cable cross section of the grounding conductor can be es timated with the following formula for fused interrupters with disconnect ing times up to 5 s if a copper cable is used t disconnecting time in seconds maximum battery current short circuit current in amperes S c
82. e fined in manufacturer s instructions to accelerate its adap tive determination by the Sunny Island 507 SOG ini 0 0 Initial battery charging state should be entered if known to accelerate its adaptive determination by the Sunny Island If 0 0 is set the Sunny Island estimates the degree of bat tery charge based on the battery voltage Table 6 2 Parameters to be entered for configuration via New Battery IF Lead acid batteries with a liquid electrolyte are also called non VARLA while batteries labeled VARLA VAlve Regulated Lead Acid or mainte nance free are normally gel or fleece batteries You can only leave this menu again by pressing ESC after you have entered all parameters see Fig 4 2 Please check now referring to chapter 7 4 whether additional settings for adaptation to the island grid are required or reasonable BWRI33 12 EE z 67 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 6 3 Configuration after Restart Restart If the Sunny Island has already been fully adjusted to an island grid it does not need to be reconfigured after a restart All settings are maintained even if the inverter is switched off If you still want to change parameters to optimize the system please follow the in structions below When you reach the INIT 0 0 menu after switching on the DC fuse of the Sunny Island as described in chapter 5 confirm the automatic
83. e phase parallel operation with three devices with one sin gle battery pack device is mas ter 4 1Phs_Slv2 single phase parallel operation with two or three devices with one single battery pack device is slave 2 5 1Phs_SIv3 single phase parallel operata tion with three devices with one single battery pack device is A N 57 Lower limit for AC frequency 50 Hz 60 Hz design 409 Fext max 411_lac chrg mx BWRI33 12 EE i 1 32 SMA Regelsysteme GmbH al o 66 Upper limit for AC frequency 50 Hz 60 Hz design gt N N o o o Max current the Sunny Island may take out of the AC grid in grid tied operation RUN I battery is being charged in the process Sunny Island Installation amp Operating Instructions PARALL 3 9 Parameter Unit Min Max Default Description 501_Cbat nom Ah 100 10000 350 Nominal battery capacity of 10 hours C10 always enter the value stated by the manufacturer even if the battery has already aged 502_Bat Type 2 2 Battery type as stated by manufacturer 0 Gel gel 1 Fleece fleece 2 Lead Acid liquid electrolyte A Fc set For exceptions see chapter 11 3 504 Ubat min min battery voltage permissible 505 Ubat max max battery voltage permissible 506 acid density kg l 1 1 1 35 1 28 Nominal acid density according to manufacturer only taken into account if inverter is started via New System or New Battery see chapter 6 507 S
84. e switched current of the relays K1 to K8 is a maximum of 5 A at 230 V AC A detailed limit curve is shown in chapter 18 BWRI33 12 EE Se 40 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions control relay 3 control relay 4 AC Outlet Sunny Island gt load load external distribution gt 2kW lt 2kW Fig 3 17 Connection of an additional load dump load BWRI33 12 EE 41 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 5 Finalization of Electrical Wiring Always mount the lower protective cover lower part of plastic terminal cover see chapter 3 3 1 with the two corresponding screws after wiring has been completed and before any power supply units are connected BWRI33 12 EE E 42 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 6 Interfaces for Communication The Sunny Island has a total of three interfaces These interfaces make it extremely easy to configure and operate the Sunny Island SERVICE COM3 SYNC BUS ose ekte SYNC BUS o Y o Fig 3 18 Interfaces of the Sunny Island COM1 SYNC BUS is an RS485 interface e g for data exchange between the sys tem management processors of several Sunny Islands in three phase operation A synchronization signal ensures phase synchronization in three phase operation This signal is exchanged among the control processors of the individual Su
85. e that any operation of the Sunny Island beyond the specified limits in terms of temperature and output power etc has negative influ ence on the lifetime of the Sunny Island One reason for the careful observation of the overload performance is the connection or activation of problem loads These are consumers that extract a very high amount of power from the grid when they are activated This power can be very BWRI33 12 EE 7 1 1 9 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions much higher than the nominal power simple halogen lamps extract up to 15 x of the nominal power when they are turned on These consumers do not continuously require this high power the Sunny Island therefore does not have to be capable of generating this power What is more impor tant is a sophisticated control strategy When such loads are connected the Sunny Island therefore reduces the AC voltage for a short time This not only reduces the current peaks on the AC side but also those on the DC side thus increasing the battery power and prolonging the battery s service life BWRI33 12 EE ig 1 20 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 13 Island Grids Examples This chapter covers basic examples for island grids that can help engineers and in stallers understand island grids based on the Sunny Island It refers to parameter settings that usually have to be made in
86. ecreasing charge degree or the battery is in an area with increasing aging while its charge degree can still be high attery low Range 0 10 20 30 50 60 40 State of Charge Battery State Start Battery Charging With Generator Partially deactivate Activate Consumers Dumpload Deactivate Wind Power Plant Deactivate all Consumers Deactivate Sunny Island Fig 11 2 Dependency of the battery state on the charge degree and possible switching operations BWRI33 12 EE la 1 1 3 5 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions L4 L3 L2 L1 N4 N3 N2 N1 01 02 03 Reduced availability of the battery and increased battery aging Normal working area with varying availability of the battery Table 11 1 Classification of battery states The eleven defined battery states allow the user to make switches according to the battery state The following table provides an overview of the different battery states BST their meaning and recommendations for possible switching measures BST Meaning Recommendations Possible switching measures 03 Very high Immediately stop charging Switch off all feeders via the fre overload quency 02 High Drastically decrease charging Slight increase of frequency to overload power switch off first PV inverters 01 Overload Decrease charging power Swit
87. ector assignment on the terminal strip of the Sunny Island Battery temperature RETURN Battery temperature SEND Battery temperature RETURN BWRI33 12 EE 23 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PE Ohessisearh _ Connesionioground 25mm Diesel contactor Relay K2 for control of contactor Generator island grid a o Relay K4 for control of contactor Island grid Sunny Island Control relay ae Table 3 1 Description of terminal strip 3 4 Examples for Connection In the following chapters you can read about the possibilities how to connect the in verter to its environment Examples for the different connection types are provided BWRI33 12 EE W 24 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions How to wire the components and the Sunny Island for protective grounding depends on the type of grid installed and can therefore differ Therefore the figures below do not show any wiring Of course the entire cabling must be installed compliant with all relevant stan dards and regulations 3 4 1 Connection to Ground Due to filtering measures within the Sunny Island increased leakage currents to PE can occur during operation Therefore make sure the inverter is firmly grounded ac cording to DIN EN501 78 To this end the inverter can be grounded at the ground terminals in the terminal area either with one single copper con
88. eme GmbH Sunny Island Installation amp Operating Instructions 7 2 Menu GENSET 2 2 Operation of Generator Fig 7 4 Menu GENSET 2 2 The menu GENSET 2 2 comprises functions concerning a connected generator Such a generator can e g be started or stopped manually via this menu or can be set to automatic operation controlled by the Sunny Island The menu item ACKNOWLEDGE enables the operator to easily confirm error states of the generator At the next start up attempt the complete starting sequence is run again This function can be useful e g to solve start up difficulties by the gen erator In addition ACKNOWLEDGE removes the lock out that normally prevents another generator start for 6 hours after a configurable number of failed start up attempts see chapter 8 6 The upper lines show behind State and Fail whether a generator has been con figured see also chapter 8 6 in which operating phase it currently is and whether an error has occurred BWRI33 12 EE z 71 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Name Description State Operating state of generator Fail Fail state of generator 601 GenSet Oper PARGEN 3 6 Name 602 GenSet Type 603 GensSet Interf 604 GenSet Ctrl 0 Auto The generator is automatically started and stopped by the Sunny Island 1 Man Start The generator is started immediately
89. estarted for example in the menu FUNCT 2 3 see chapter 7 3 PARGRD 3 4 Name Description 401_Phase 1Phs_Single Mode 1Phs_Psingle 1Phs_Mstr2 1Phs_Mstr3 1Phs_Slv2 1Phs_Slv3 3Phs_Mstr1 Set 3Phs_Slv1L2 3Phs_SIv1L3 402 conv nom 200 260 V 403 Fconv nom 40 70 Hz 404 Uext nom 150 260 V 405 Uext min 150 260 V 406 Uext max 150 260 V 407 Fext nom 40 70 Hz single phase operation device is single device single phase parallel operation with one battery per device no grid and generator possible single phase parallel operation with two devices with one sin gle battery pack device is master single phase parallel operation with three devices with one single battery pack device is master single phase parallel operation with two or three devices with one single battery pack device is slave 2 single phase parallel operation with three devices with one single battery pack device is slave 3 three phase operation device is master L1 three phase operation device is slave L2 three phase operation device is slave L3 setpoint AC voltage the Sunny Island is to supply as grid former RUN_U setpoint AC frequency the Sunny Island is to supply as grid former RUN_U nominal AC voltage RUN I minimum AG voltage maximum AG voltage nominal AC frequency Sunny Island operates grid tied RUN I BWRI33 12 EE
90. even in the case of charging states between 631_PldLzMin and 632 PldLzMax 634 PConsMax 10000 3000 Upper limit for the load power cumulative power averaged over all three phases within the time pe riod of the parameter when the Ecopower CHP will already be startet in the case of a charging state of 632 PldLzMax 635 PChargeMax W 16000 3000 Setpoint for the charging power that the Sunny Is land obtains from the Ecopower CHP 636 PDumpt1 W 8000 500 Power of Dumpload 1 that has to be connected to the relay K1 of the Sunny Island during the opera tion with the Ecopower CHP 701_Man K1 Au to 637_PDump2 W 8000 2000 Power of Dumpload 2 that has to be connected to the relay K6 of the Sunny Island during the opera tion with the Ecopower CHP 706_Man K6 Au to em 0 ee e farroa 639_PBHKWMax wfo 10000 4700 Maximum power of the Ecopower CHP 640 BHKW Ton so 10000 Minimum run time of the Ecopower CHP BWRI33 12 EE 1 39 SMA Regelsysteme GmbH Sunny Island PARALL 3 9 Parameter 641 BHKW_Toff 642 BHKW Tmax 644 PIdOnLx 701 Man K1 702 Man K2 703 Man K3 704 Man K4 BWRI33 12 EE Unit Min Max W 10000 20000 2 3300 Default 300 Installation amp Operating Instructions Description Minimum pause time of the Ecopower CHP Maximum run time of the Ecopower CHP in mode 2 fast control The Ecopower CHP will be activated when this load a
91. ew System IF Lead acid batteries with a liquid electrolyte are also called non VARLA while batteries labeled VARLA VAlve Regulated Lead Acid or mainte nance free are normally gel or fleece batteries BWRI33 12 EE z 64 A SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions In a three phase system one Sunny Island has to be set up as the master 83Phs_Mstr1Set while the other two are set up as slaves 8Phs_Slv1L2 and 3Phs_SIv1L3 The settings of other interconnection systems for example single phase parallel are corresponding You can only leave this menu by pressing ESC after you have entered all parame ters see Fig 4 2 Please check now referring to chapter 7 4 whether additional settings for adaptation to the island grid are required or reasonable Now switch the AC fuse F2 on Screw the lower lid onto the enclosure again after you have reconnected its PE ca ble An AC grid is only available when the Sunny Island has been set into the operating mode RUN_U in the START 2 1 menu see chapter 7 1 BWRI33 12 EE ka 65 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 6 2 Configuration after Battery Exchange New Battery After the lead acid battery has been exchanged the Sunny Island has to be reconfig ured To do so select the menu item New Battery in the INIT 0 0 menu You re quire the password for level 1
92. ff low normal overload 722 K3 t2 begin 20h 723_K3 t2 end 6h active Active battery state 724 K3 Onti N4 725 K3 Off t1 L2 726 K3 On t2 N1 727_K3 Off t2 N3 Relay state 727_K3 Off t2 726_K3 On t2 after SI start N3 N1 722_K3 t2 begin ii 723_K3 t2 end 22h a 20h 4h 18h 6h s off NG 8h MC 14h 1 toh 12h low normal overload active Active battery state Switching feeders diesel off and on 712 K1 Onti 713 K1 Off t1 Relay state Sora sad i i after SI start r ea 711 K1 t2 end L2 Diesel N3 Diesel Diesel oh on Djesa 5 on n y T off oc low normal overload 710_K1 12 begin 20h 711_K1 t2 end 6h active Active battery state 712 K1 Onti L2 713 K1 Off t1 N3 714 K1 Ont2 N4 715 K1 Off t2 N1 Relay state 714_K1 Ont2 715_K1 Off t2 after SI start N4 Diesel N1 Diesel 710 12 begin AG BE C ah h ah Diesel gon 20h an 2 ten h 3 off NG pr a 144 PA 10h low normal overload Active battery state Fig 8 10 Setting of relays as a function of battery charge degree Special tasks Some of the relays can be assigned special tasks This depends on the settings in other menus BWRI33 12 EE 91 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Special function Configurable in menu Generator start PARGEN 3 6 Dumpload 1 for ecopower mini CHP PARGEN 3 6 Contactor control generator lt gt island grid PARGEN 3 6 Contactor control grid lt
93. fter another two seconds you can see the starting menu see Fig 5 3 Should your Sunny Island display a different text please write it down Switch the inverter off again and contact the SMA hotline see chapter 22 9 0 ENT Rea nr New System Fig 5 3 INIT menu 0 0 While the selection shown in Fig 5 3 is displayed please do not press a key simply wait for approximately 10 seconds IF You can skip the following menu and directly reach the menu branch SETUP 0 3 see below by confirming Restart with the ENTER key in time You will see the following display Y PSI 6 W PSUM 6 6 KW EME APRN NE TN DATA DPERATO Fig 5 4 Status Menu selection DATA 0 1 By pressing gt twice you reach the SETUP 0 3 menu After pressing ENTER twice you reach the SETTIM 3 1 menu Set the current date and time as described in chapter 4 1 4 BWRI33 12 EE E 59 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions IF This is a necessary preparation to enable the installer to enter the pass word correctly Quit the SETTIM 3 1 menu by pressing ESC Now switch the Sunny Island off again with the DC fuse Now the installer can configure the inverter as described in the following chapters i gt Being the installer you can also trigger the restart required for first con figuration without switching the Sunny Island off First enter the inst
94. g to enter the password The settings in this menu branch influence the behavior of the in verter and the entire system Special care should therefore be ap plied when changing these settings This should only be done by qualified personnel Changes of parameters should always be made in standby mode Otherwise the corresponding operating values will change immedi ately after pressing ENTER Faulty settings cannot be corrected fast enough and may lead to damage in the plant BWRI33 12 EE 5 75 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions SETUP Chapter 7 3 1 SETTIM 3 6 PARGEN 3 2 3 3 3 4 3 5 PASSWD PARSYS PARGRD PARBAT Fig 8 2 Menu branch SETUP 0 3 8 1 Menu SETTIM 3 1 Setting the System Clock late 25 11 2002 Time 10 32 22 Fig 8 3 Menu SETTIM 3 1 In this menu the integrated clock of the Sunny Island can be set It is necessary to correctly set the time e g for password entry time dependent relay control and chronological recording of system and failure states see chapter 10 In the menu SETTIM 3 1 shown in Fig 8 3 switch to edit mode by pressing ENTER You can set the time and date as described in chapter 4 1 4 Finish each entry year month separately by pressing ENTER and only then change to the next setting You can leave the menu by pressing ESC BWRI33 12 EE 76 SMA Regelsysteme GmbH Sunn
95. gy converters or diesel generator sets will also be possible On the AC voltage side the battery inverter must take over the complex control of voltage reactive power and frequency as well as power management and uses the battery as a buffer On the DC voltage side the battery inverter makes sure to provide a best possible battery handling To this end it ensures that the temperature dependent and current dependent voltage limits are complied with full charge cycles are run regularly and the charging methods are adapted to the battery type and the specific ambient condi tions Using this system compatible battery inverter lets you reduce planning execution and system costs for PV island supply considerably BWRI33 12 EE 1 2 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 2 2 Functional Design of the Sunny Island The bi directional Sunny Island consists of a Cuk DC DC converter an inverter and a control and system management The DC DC converter supplies the DC link circuit with an app constant 380 V DC Electric energy can charge the battery and can be extracted from the battery as well The inverter consists of a full bridge and provides sinusoidal output voltage through a filter It can be operated in all four quadrants For control and management of the battery inverter it has a double processor con cept with a closed loop control processor DSP digital signal processor and a
96. h keys and an eight line graphic display All func tions of the device can be carried out and modified according to the respective user group operator or installer 4 1 Display and Operating Elements The Sunny Island is operated with six keys placed below the display A graphic dis play with eight lines shows the inverter status issues error notices and shows up to date information on the operation of the Sunny Island Device status or Blinking symbol in temporary messages case of failure Menu bar Scrolling to right left only possible if arrow symbols appear Scrolling main display up or down only possible if arrow symbols appear here a A em Ki EN Fig 4 1 Operation of the Sunny Island BWRI33 12 EE 52 R SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions As it is often more than six lines of information that is shown there are symbols in the lower line and the right hand column of the display These indicate to the user whether there are further lines beyond those shown on the display ENS Additional lines below above the display scrolling main view Additional menus scrolling to left right Table 4 1 Meaning of symbols 4 1 1 Key Assignment The Sunny Island is operated with six keys Each key is assigned several functions Which of them is active depends on the menu item selected see Table 4 2 One line up increase value special
97. harge with gel or fleece batteries see 502_Bat Type 2 25 2 6V Charging voltage normal charge per cell with gel or fleece batteries see 502 Bat Type Please follow manufacturer s instructions 2 25 2 6 V Charging voltage full charge per cell with gel or fleece bat teries see 502_Bat Type Please follow manufacturer s instructions 2 25 2 6 V Charging voltage equalizing charge per cell with gel or fleece batteries see 502_Bat Type Please follow manufacturer s instructions 1 600 min Charging time for normal charge with lead acid battery see 502_Bat Type 1 20h Charging time for full charge with lead acid battery see 502_Bat Type 1 48h Charging voltage for equalizing charge with lead acid bat tery see 502 Bat Type 2 29 2 7V Charging voltage for normal charge per cell with lead acid battery see 502_Bat Type In case of electrolyte circulation pump installed the value should be reduced to 2 45 V Please follow manufacturer s instructions 2 25 2 7V Charging voltage for full charge per cell with lead acid bat teries see 502 Bat Type In case of electrolyte circulation pump installed the value should be reduced to 2 45 V Please follow manufacturer s instructions 2 25 2 7 V Charging voltage for equalizing charge per cell with lead acid battery see 502 Bat Type Please follow manufacturer s instru
98. hat is defined by a further component of the island grid that itself forms the grid 12 1 Grid Forming Operation RUN_U In grid forming mode the Sunny Island keeps the grid voltage at a constant sine wave voltage and constant frequency The voltage and frequency is defined in the PARGRD 3 4 parameters The Sunny Island then has to provide the necessary active and reactive power that is required for the control of the grid All other compo nents in the grid then have to operate as grid controlled power generators or con sumers BWRI33 12 EE E 1 1 6 e SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Consumers t 230 V 50 Hz 60 Hz Van Sunny Island Control of AC voltage forming grid and AC frequency Fig 12 1 Sunny Island as grid forming element This operating mode requires that there are no further components within the grid that control the frequency or the voltage No parallel operation with the public utility or an independent synchronous generator is possible in this mode In this mode the Sunny Island can only charge the batteries whenever the compo nents within the grid Sunny Boy inverters synchronous generators generate more power than required In case these components generate less power than consumed within the grid the Sunny Island supplies the power to the grid by discharging the batteries The charge degree of the batteries can therefore only be manipulated by controlli
99. he front Inside the lid there is a tab and receptacle connector with a green yellow grounding cable PE Carefully disconnect this connector Af ter finishing the installation reconnect it Make sure the two automatic circuit breakers F1 and F2 are switched off After removing the two fastening screws the lower part of the plastic clamp cover can be removed as well lower protective cover Always mount this lower protective cover again before connecting any power supply units You now have the open part of the inverter in front of you and can familiarize yourself with the position of relevant components and clamps BWRI33 12 EE y 21 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions m 7 mer Fig 3 3 Cable glands and terminals of the Sunny Island I gt You will find a diagram with designations of the different terminals inside the lower case lid as well 3 3 2 Cable Connections All possibilities to connect the inverter with the island plant are combined on one ter minal strip see Fig 3 4 e Terminals for battery temperature sensor four wire measurement e Storage battery terminal at F1 and F1 of the automatic circuit breaker on the left e Terminals for diesel start via relay K1 e Terminals for diesel contactor via relay K2 e Terminals for grid contactor via relay K3 e Terminals for additional switchable components such as wind energy convert
100. he layout of the island grid is not changed it is not necessary to adjust the device parameters over time The Sunny Island is capable of automatically taking into account deviations which e g may be caused by ageing of the battery Parame ter 538 lloss nom is an exception as it should be adjusted to the estimated ageing state of the battery from time to time as described in chapter 14 To make sure the control functions based on system time are performed correctly and status and error messages are assigned the correct time of occurrence you should check the system time from time to time and adjust it if required BWRI33 12 EE a 1 68 ag SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions 20 Warranty and Liability Regulations Warranty You have acquired a product which was subjected to an careful inspection before dis patch The statutary warranty period is 24 months from the date of purchase by the end user It covers defects based on faulty manufacturing material or processing of the device Should your inverter show a defect or malfunction within the warranty pe riod please contact your distributor or installer In addition SMA grants a six month warranty for repairs or compensation deliveries This six month period applies in case the original warranty period expires in the mean time Evidence SMA will only render warranty services if the rejected device is returned to SMA to gether with a
101. hold for K6 in special period t2 see 715 I N N N N N N N N o o o o o o o o o o o o o o o o o o o o o o o o 746_K7 t2 begin Beginning of special period t2 for K7 see 710 747 K7 t2 end 748 K7 Ontt End of special period t2 for K7 see 711 Switch on threshold for K7 see 712 749 K7 Off t1 Switch off threshold for K7 see 713 BWRI33 12 EE 144 as Mm lt gt Bs D Q o 2 2 fo 3 o o 3 og I Sunny Island Installation amp Operating Instructions PARALL 3 9 Parameter Unit Min Max Default Description 750_K7 Ont2 a 751 K7 Off t2 i eee 1 756 K8 On t2 757 K8 Off t2 801 Sunny Boys Switch on threshold for K7 in special period t2 see 714 Switch off threshold for K7 in special period t2 see 715 Beginning of special period t2 for K8 see 710 End of special period t2 for K8 see 711 Switch on threshold for K8 see 712 Switch off threshold for K8 see 713 a Switch on threshold for K8 in special period t2 see 714 Switch off threshold for K8 in special period t2 see 715 0 Not installed Sunny Island is not to control Sunny Boys 1 Installed Sunny Island is to control Sunny Boys 2 Inst Mains Sunny Island only is to control Sunny Boys if grid feeding is not possible 3 Frequency Sunny Island controls the Sunny Boys via grid frequency This mode is only possible when the Sunny Boys are
102. inal power at one phase for the power related generator start or the power related re lays only K5 or K6 If the relays shall be switched in relation to the power the parameters 705_Man K5 and or 706_Man K6 must be set to LOAD 100 100 Switch off threshold in of the nominal power at one phase for the power related generator start or the power related re lays only K5 or K6 If the relays shall be switched in relation to the power the parameters 705_Man K5 and or 706_Man K6 must be set to LOAD BWRI33 12 EE 86 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARGEN 3 6 Name 627_PldS GenOn 628 PldS GenOff 629 TavgLdLx 630_TavgLdSum 631_PldLzMin 632_PldLzMax 633_PConsMin 634 PConsMax 635_PChargeMax 636_PDump1 637_PDump2 638 PBHKWMin 639 PBHKWMax 640 BHKW Ton 641 BHKW Toff Description 100 100 If the relays shall be switched in relation to the power the parameters 705 Man K5 and or 706 Man K6 must be set to LOAD 100 100 If the relays shall be switched in relation to the power the parameters 705 Man K5 and or 706 Man K6 must be set to LOAD 5 60s 1 20 min 0 100 0 100 0 2000 W 0 10 000 W 0 16 000 W 0 8 000 W 0 8 000 W 0 4 000 W 0 10 000 W 0 10 000 s 0 10 000 s Switch on threshold in of the no
103. ing the value from time to time Table 8 3 Settings in menu PARBAT 3 5 8 6 Menu PARGEN 3 6 Parameters Generator This menu can only be selected after the installer password level 1 has been entered In the menu PARGEN 3 6 the operator can change the parameters for a con nected generator Under the parameter 602 GenSet Type the type of starting pro cedure can be defined The Sunny Island provides three different starting procedures see Fig 16 1 The individual time periods within these procedures can also be set in the menu PARGEN 3 6 BWRI33 12 EE 84 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Fig 8 8 Menu PARGEN 3 6 PARGEN 3 6 Name 602_GenSet Type 603_GenSet Interf Description None Grid forming Grid tied Mains BHKW Mains BHKW Island Mains form fast Grid form fast Mains fast Mains form None Type 1 Type 2 Type 3 EcoPower see also chapter 16 Starting phase sequence of different generator types No generator present in island grid Generator forms the grid Sunny Island has to form the grid Sunny Island is operated on public utility grid Sunny Island is operated together with the Ecopower CHP and on the public utility grid Sunny Island is operated solely together with the Ecopower CHP Sunny Island is operated together with a grid forming gen erat
104. inimum power 5 F Cool failure during cooling down BWRI33 12 EE ha 1 47 e SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Name Unit Min Max Default Description GER 6 F Stop failure during stop could not be stopped K1 State State of relay O off TUTE K2 State poser Ju Je State of relay K3 State Fe A o State of relay K4 State NE State of relay K5 State T ST o State of relay K6 State b hkh b State of relay K7 State Z a Ge State of relay K8 State ae SE State of relay SB Step 100 hoo lo Current step size for Sunny Boy power limitation Fext Hz b hoo o Current grid frequency on synchronous input Uext eff 0 RMS value of synchronous voltage lext eff A lo bo lo Curen generator current from converter Pext kw Lszo 320 o Current generator active power Ubat mean pp Mean value of battery voltage Ibat mean a 150 so o Mean value of battery current Pbat mean W szooo 82000 o Mean value of battery power Tbat mean dege 25 25 o Mean value of battery temperature Uzw Cuk mean Ys o Mean value of the intermediate circuit voltage Fconv Hz fo oo b Current grid frequency Uconv eff v fo pom lo Current grid voltage actual value Iconv eff pa po RMS value of grid current Pconv w 32000 32000 o Grid active power Sunny Island Sconv VA 32000 32000 o Grid apparent power Sl Qconv var 82000 82000 o Grid reactive power SI Uchrg act v b 00 b Setpoint value of ba
105. ioning and as guideline on how to use all func tions of the inverter optimally and how to extend your existing PV plant For detailed information on system realization functions and the integrated battery and load management please refer to the Product Description BWRI33 12 EE a 9 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 1 1 About these instructions This document contains important information for the installation and commissioning of the Sunny Island as well as its safe operation Please read these instructions carefully before starting the inverter The inverter must be installed and commissioned by quali fied personnel Work must be carried out according to the local installation and safety regulations Please also refer to our warranty and liability terms at the end of this docu ment This version of Installation and Operating Instructions considers the new features of Firmware BFR 1 50 DSP 1 50 and higher Basically these Instructions continue to refer to inverters with firmware BFR 1 10 however discrepancies concerning the pa rameters data available can arise Please note that changes have been made com pared to earlier versions before Firmware BFR 1 10 as regards generator control allocation of relays see chapter 3 4 6 1 2 What to do in case of transport damages Our products are thoroughly checked before they are shipped Even though they are delivered in sturdy packaging
106. ions PARREL 3 7 Name Description 712_K1 Onti L4 O3 Battery state where K1 is switched on 713_K1 Off t1 L4 O3 Battery state where K1 is switched off 714_K1 On t2 as parameter 712 but in special time period t2 715_K1 Off t2 as parameter 713 but in special time period t2 716_K2 t2 begin as parameter 710 but for K2 717 757 as above but for K2 to K8 Table 8 6 Settings in the menu PARREL 3 7 BWRI33 12 EE is 94 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 8 8 Menu PARSB 3 8 Parameters Sunny Boy This menu can only be selected after the installer password level 1 has been en tered Fig 8 11 Menu PARSB 3 8 You should define settings in the menu PARSB 3 8 if there are Sunny Boy in verters in the island grid which are to be controlled by the Sunny Island via the RS485 interface COM2 PARSB 3 8 Name Description 801_ Sunny Boys Not installed Sunny Island is not to control Sunny Boys Installed Sunny Island is to control Sunny Boys Inst Mains Sunny Island is to control Sunny Boys only if grid feeding is not possible Table 8 7 Settings in the menu PARSB 3 8 BWRI33 12 EE 5 95 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 8 9 Menu PARALL 3 9 all Parameters This menu can only be selected after the installer password level
107. land Installation and Operating Instructions Overload capacity Switching time grid inverter operation active passive Voltage ripple Pole confusion prevention Short circuit proof Phase differential factor EMC Grid interference Test voltage Certification CE Declaration of Conformity Protection degree Protection degree acc to IEC 60529 Dimensions and weight Dimensions width x height x depth Weight BWRI33 12 EE 164 triggering of automatic circuit breakers R according to IEC EN 60947 approx 0 sec approx 1 sec V lt 5 none on grid side due to current control COS 1 EN 50081 1 EN 55022 class B EN 50981 1 EN 55011 class B EN 55014 1 1 5 kV AC vs PE 1 5 kV AC vs DC 700 V DC vs PE yes IP20 510 x 560 x 270 mm approx 45 kg SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions Ambient conditions Ambient temperature range permissible 25 C to 45 C Relative humidity permissible 0 93 non condensing Limit curves of relays accessories 10 AC resistive DC resistive N who wen AC inductive cos 0 4 0 5 uctive 0 4 7ms 0 3 0 2 Switching Current A 0 1 10 20 30 40 50 100 200 300 400 500 Switching vol
108. led Only for lead acid battery with liquid electrolyte 0 Not Installed Electrolyte circulation pump is not installed 1 Installed Electrolyte circulation pump is installed By selecting Installed the electrolyte circulation pump is switched on depend ing on the settings of parameters 513 to 516 Irrespective of the battery values however there is at least one and maximum 9 circulations a day 1 3600 s Run time of electrolyte circulation 0 1 50 0 Electrolyte circulation is triggered as soon as the battery has been charged with the corresponding ampere hours related to its capacity cumulative 1 180 d Time period after which full charge is to be made 7 365 d Time period after which equalizing charge is to be made 22 2 4V Float charge voltage per cell 1 600 min Charging time for normal charge with gel or fleece batteries see 502 Bat Type BWRI33 12 EE a 82 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARBAT 3 5 Name 522_tVR full 523_tVR equal 524 UVR charge 525 UVR charge full 526 UVR charge equal 527_tcharge 528 tcharge full 529 tcharge equal 530_Ucharge 531_Ucharge full 532_Ucharge equal 533_Stdby t beg 534 Stdby t end 535 State StopT Description 1 20h Charging time for full charge with gel or fleece batteries see 502 Bat Type 1 48h Charging time for equal c
109. m 5 6 I wo auwaTysBunssyots 14815 l eb O d04S U34NT9 i 00T Id o I O ARO ataa 4egi pai FT e I 2 De A AO O L 9 G el E O ED J q C O E ay A II A EE SE SE GE ER ET f ee TE a LER ek ma l 408 S z z INE D BUNTT 43A G za KE ra 7 Cc 1 T l 4 gt US XXX Tl T 1 T zy 1 17y z Tu o oo oe E 2 ys Y EN jan To Toa EE ay o th z el 4 x s el zt I z ht ET 9y BT ET ity Y 7 q px HT ET IZA Niza 1323 A AS GE y T dogs T E TON ute ZHOS AOEZ 00T ld 41245 USynTBJOA Bunssau BUEBUTJ DU S z1nyas Buessny 4njeJadua 109 O 1esstg 1esatg wouystasatg 1asatq 18setq 8 A4811eg aT1311eg Cc qu oer ENST er ae ie ane eet eg A Tee ep eat se EE Oo 81STSTYNTYISUN gt E pueTs Auuns J 09 hz EZ zz Tz oz 6T at ii 9T ST hT ET a TT or 6 8 Z S h E q T SMA Regelsysteme GmbH le phase island system with generator type 3 155 ing S Fig 16 4 BWRI33 12 EE Sunny Island Installation and Operating Instructions External charge of the battery In plants with a scarce battery storage capacity and without a motorized generator i e where the only feeders are photovoltaic or wind generators it may become nec essary to have the battery recharged by a mobile generator This can be the case when unfavorable weather conditions persist for a longer time period For this purpose the operator can use a special terminal box available from SMA
110. minal power based on the cumulative power within the three phase sys tem for the power related generator start or the power related relays only K5 or K6 Switch off threshold in of the nominal power based on the cumulative power within the three phase sys tem for the power related generator start or the power related relays only K5 or K6 Averaging time for the power calculation per phase see also 625_PldL GenOn and 626 PldL GenOff Averaging time for the calculation of the cumulative power within the three phase system see also 627 PIdS GenOn and 628 PldS GenOff Lower limit for the charging state when the Ecopower CHP will always be started Upper limit for the charging state when the Ecopower CHP will never be started Power limit for the load power cumulative power averaged over all three phases within the time period of the parameter 630_TavgLdSum that has to be exceeded in order to start the Ecopower CHP even in the case of charging states between 631_PldLzMin and 632 PldLzMax Upper limit for the load power cumulative power averaged over all three phases within the time period of the parame ter when the Ecopower CHP will already be started in the case of a charging state of 632_PldLzMax Setpoint for the charging power that the Sunny Island ob tains from the Ecopower CHP Power of Dumpload 1 that has to be connected to the relay K1 of the Sunny Island during the oper
111. mmunication error Communication error in interconnection mode COM1 Slave Errors One of the slaves announces error Table 17 1 Error signals X x lt a al BWRI33 12 EE z 1 59 a SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions 17 2 Status Signals Events BMS New System Restart of battery management via New System the automa tiaclly adapted internal values of the battery characteristics have been reset E0001 E0002 E0003 E0004 E0005 E0006 E0007 BMS New Battery Restart of battery management via New Battery the automatia clly adapted internal values of the battery characteristics have been reset sent internal values for the battery characteristics E0009 E0012 E0014 E0015 E0016 E0017 E0018 E0019 E0020 E0021 E0022 E0023 E0024 E0026 E0027 E0028 E0029 E0030 E0031 E0032 E0033 BWRI33 12 EE A 1 60 a SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions sonst CN N A N O Z E0052 K3 OFF Relay K3 switched off E0053 KON Relay K4 switched on A R O zZ PONES i ee Frequency increment active see chapter 8 8 A o O Z A N O Z Foppa e meer Frequency increment finished E0069 Manual start of generator performed via menu E0070 Genset Man Stop Manual stop of generator triggered via menu if required gen erator will run on until its min run time has expired E0071 Genset Man Ackn Acknowledgement
112. n cases if data is lost due to improper servicing of the batteries Connections Annually check the incoming cables including the terminal area of the Sunny Island for any visible damage and loosened mechanical connections Apart from visual in BWRI33 12 EE 1 66 E SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions spections any intervention in the terminal area always has to be performed by a qualified technician see safety instructions in chapter 1 3 If any incoming cables are damaged the Sunny Island has to be disconnected from all power supply units The failures then have to be repaired by a qualified electri cian Enclosure Check the enclosure of the Sunny Island for mechanical integrity Should there be any damages reducing the Sunny Island s operating safety cracks holes fissures missing covers the Sunny Island has to be decommissioned immediately Large dirt particles should be removed from the device with a soft hand brush or a similar tool Fine dust can be wiped off the enclosure parts with a soft moistened cloth Cleaning agents containing solvents or abrasives should not be used to avoid scratching the paint layer The Sunny Island has lateral ventilation grates These should be kept clear of dust and other deposits to ensure reliable and powerful operation These grates can be best cleaned with soft brushes During cleaning make sure to keep dust from enter ing the inverter
113. n example p BWRI33 12 EE a 3 ig SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Contents 1 NrOduelo ua 9 1 1 About these instructions EE 10 1 2 What to do in case of transport damages rrrrnvvnnnnnnnnrnnnnnrrrrrnnnnnnnnennnnnn 10 1 3 General Safety Instructions 4 noticias 11 2 System Description rua ie 12 2 1 Modularly Structured Power Supply SySteMS oooocccnncccccccccccccccccnnnnanannnons 12 2 2 Functional Design of the Sunny Island rrvnennnnnnnnnnnnrrrrnnnnnnnnnrnnnnnrrrnnnnn 13 3 O 15 3 1 Mounting Accessories Included in Delivery ceeeeeeeeeeeeeeeeeeeeeeeees 15 3 2 Placement of the Sunny Island ecceeeeeeeeeeeeeeeeeeaeeeeeeeeeeeeeeeeeenaaees 16 3 3 Electric Come 20 3 3 1 Preparing the Connection aula ai e tdi 21 33 2 CADIS Connections sia 22 3 4 Examples for Connection eennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnannennnnennee 24 3 4 1 Connection to Ground annvvvvnnnnnnonnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnvnnnnnnnnnnnennnnnnn 25 3 4 2 Connection of the Dattery oooonnnncnnnnocccccoccccnnccnononccnnonnnnncnnnnnnnnnnnns 26 3 4 3 Connection of Battery Temperature Sensor ceeeeeeeeeeeeeeeeeeees 28 3 4 4 Connection to AC Voltage ooooccccccnccccononccccncccncccnnnnnnnnnnnnncnnnnnnnnnannnns 29 3 4 5 Connection to Generator Current and Voltage Measurement 30 3 4 6 Connection of a GeneratOT oooooc
114. n for an accelerated switch over Utility ooooonnnnnnnnn cnnnnn 36 3 14 Connection to generator and utility ooooonnnnnicccnncnnnnnnccnncnnccccnccnnnnnn 38 3 15 Example of an accelerated switch over generator and utility 39 BWRI33 12 EE E 1 73 E SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions Fig 3 16 Connection of a battery room fan and electrolyte PUMD eeee 40 Fig 3 17 Connection of an additional load dump l0ad eernnnnnnnonnnnnrnnnrrrrnnnnnnnnnnn 41 Fig 3 18 Interfaces of the Sunny Island ssooonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnrn 43 Fig 3 19 Recommended cable for RS485 communication rrrnnnnnnnnnnnnnnrrrnnnnnnnnnnnn 45 Fig 3 20 Connection of Sunny Boys at Sunny Island s COM2 RS485 47 Fig 3 21 Data communication with serial interface ooonnoncccinnncccnnnnaccccncnnnaacncnnnnnn nos 49 Fig 3 22 Communication in a three phase island grid cccceeeeeeeeeeeeeeeeeeeeeees 51 Fig 4 1 Operation of the Sunny ISIN escondidas 52 Fig 4 2 Menu structure A Shae allen loa ieee lace 56 Fig 5 1 Start up phase of the Sunny Island eennnnnnnnnnnnnrnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnr 58 Fig 5 2 System message of the Sunny Island ooooononcccn nnnoccccnonanonnnnnonanancnnnnnnn nos 58 E NA aie a einai ia sata atari 59 Fig 5 4 Status Menu selection DATA
115. n this case a basic configuration has to be made first via the menu item New Battery in the INIT 0 0 menu after the Sunny Island has been switched on 3 The Sunny Island has already been configured For optimized operation some settings are to be changed This can be done in the corresponding menus practically any time Normally the password for level 1 installer has to be entered in the PASSWD 3 2 menu BWRI33 12 EE va 61 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Parameter changes should always be made in standby mode Other wise the corresponding operating values are changed as well imme diately after pressing ENTER Faulty entries cannot be corrected fast enough and may lead to damages in the plant The settings defined will be maintained even if the Sunny Island is switched off Therefore you do not have to enter all plant settings again e g after a battery change The individual configuration procedures are described in detail in the following chap ters 6 1 First Configuration New System The first configuration of the Sunny Island in a new plant or a plant that has been drastically modified should be made by selecting the menu item New System in the INIT 0 0 menu To do so you require the password for level 1 installer After switching on the DC fuse of the Sunny Island you will reach the INIT 0 0 menu as describe
116. nerator present in island grid 1 Grid forming Generator is grid forming 3 Mains Sunny Island is operated on the public utility grid 4 BHKW Mains Sunny Island is operated to gether with the Ecopower CHP and on the public utility grid 5 BHKW Island Sunny Island is operated to gether with the Ecopower CHP just 6 Mains form Sunny Island is operated to gether with a grid forming gen erator and on the public utility grid E 1 36 SMA Regelsysteme GmbH Sunny Island PARALL 3 9 Parameter 603_GenSet Interf 604_GenSet Ctrl BWRI33 12 EE Unit Min Max Default Installation amp Operating Instructions Description 7 fast Grid form Generator is grid forming and it is switched between the generator and the Sunny Island without in terruption special installation measures are necessary for this fast Mains The Sunny Island is operated on the public utility grid and it is pos sible to switch from the Sunny Is land as grid former to the public utility grid without interruption special installation measures are necessary for this fast Mains form The Sunny Island is operated together with a grid forming gen erator and on the public utility grid Switching takes place with out interruption special installa tion measure are necessary for this None generator not controlled by Sunny Island Typ 1 autostart relays K1 K2 Typ 2 3 contacts run start relays K1 K2 K5
117. ng the power generating components and the consumers within the grid Due to the battery management the Sunny Island can perform a full charge of high quality even in this operating mode that can take several days if necessary for ex ample if there are only photovoltaic feeders BWRI33 12 EE ag 1 1 7 e SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 12 2 Grid Tied Operation RUN I In grid tied operation the Sunny Island follows the voltage and frequency defined by an external power source This can be an independent synchronous generator or the public utility In this case the Sunny Island does not control the grid voltage and grid frequency it controls the current it feeds to the grid The battery is charged or the grid is supported by discharging the batteries depending on the consumer generator situation within the grid Defined and optimal charging of the battery at any time de sired is only possible in this mode Generator as grid forming element PV Modules Control of frequency and voltage Consumers Sunny Boy I 230 V 50 Hz 60 Hz m Sunny Island Control of battery current and battery voltage Fig 12 2 Sunny Island with external grid former BWRI33 12 EE a 1 1 8 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 12 3 Overload Behavior One major feature of an island inverter is the performance in terms of overload While the consumers
118. nnnannns 94 Table 8 7 Settings in the menu PARSB B3 8 oooooccccnonnnccccncccnoncncnanancncncnnnnnnnnnnnnns 95 Table 9 1 Spot values shown in DATA 0 1 ooooccccccccnnononococononoccnonnnnnnnnnncnnnnncnnnnnnns 98 Table 9 2 Values shown in DATAV 1 0 cooooccocccccnncccnonononaoncnnnnnncnnnnnnnnnnncnnnnnccnnannnes 99 Table 9 3 Menu DATSYS 1 2 password level O oooooonnnccccccccnncccccnnncnananccononnnon 101 Table 9 4 Menu DATBAT asas 103 Table 9 5 Menu DATGRD 144 c0oocococcccconacononoccccnnnccnnnnnnnnnncnnnnnnnnnnnnnnnnnnncnrnnnnnnnnnn 105 Table 10 1 Displayed menu selection DIAG 0 4 ccceeeeeeeeeeeeeeeeeeeeeneeeeeeeees 107 Table 11 1 Classification of battery states oooooooocccccncnccinnnccococccnnncccnnnnnnanarcnccnnnnnnns 114 Table 11 2 Battery states and recommended MeasuresS cccccccccccccnnnnnnnnnnnnnnnnnnnnos 114 Table 13 1 Summary of parameters to be configured rrrvrrrrrvrrvvrrrrrrrrrrrrnnnnnnnn 122 Table 13 2 Summary of parameters to be configured sssesseeseeeeseeeeeee 125 Table 13 3 Summary of parameters to be configured rrrrrrrrrvrrrvvrrvrrrrrrrrrrrnnnnnn 127 Table 13 4 Summary of parameters to be configured rrrrrrrrrrvrvrrrrrrrrrrrrnnrnnnnnn 129 Males TREO NAS avse eee er 159 Table 17 2 Status signals ad 162 BWRI33 12 EE 5 1 79 SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions BWRI33 12
119. nny Island 507_SOC ini 0 0 Initial degree of battery charge should be entered if known to accelerate its adaptive determination by the Sunny Island If 0 0 is set the Sunny Island estimates the degree of battery charge based on the battery voltage 402 Uconv nom 230 0 V Setpoint value of AC voltage that the Sunny Island is to provide as grid forming element RUN_U 403_Fconv nom 50 00 Hz Setpoint value of AC frequency that the Sunny Island is to pro 60 00 Hz vide as grid forming element RUN_U 401_Phase 1Phs_Single 1Phs_Single single phase operation inverter is the only de Mode vice 1Phs_Psingle single phase parallel operation with one battery per device grid and generator not possible 1Phs_Mstr2 single phase parallel operation with two devices with one single battery pack device is master 1Phs_Mstr3 single phase parallel operation with three de vices with one single battery pack device is master 1Phs_Slv2 single phase parallel operation with two or three devices with one single battery pack device is BWRI33 12 EE z 63 m SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Defaut slave 2 1Phs_Slv3 single phase parallel peroration with three de vices with one single battery pack device is slave 3 3Phs_Mstr1Set three phase operation device is master L1 3Phs_Slv1L2 three phase operation device is slave L2 3Phs_Slv1L3 three phase operation device is slave
120. nny Islands As it is transmitted in one cable together with the RS485 signal a special cable set SMA order name SI Synckabel Set is required for three phase operation The COM2 interface can be equipped to comply with different electrical standards such as RS232 or RS485 by plugging on a Piggy Back Via this interface parameters can be set or modified with a PC or Sunny Boy Control If Sunny Boy String Inverters are used in the island grid defined power control of the Sunny Boys is possible via this interface as well This is especially important for optimum battery management e g for full charging compare chapter 11 With a PC and the software package Sunny Data which is available as an accessory SMA order name SWR DA it is possible to diagnose and record data of all SMA components Sunny Boy and Sunny Island connected to this interface BWRI33 12 EE t 43 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions COM3 is an RS232 interface used exclusively for service A complete software up date for the system management processor or the control processor can be made via COM3 In addition to a PC and a modem elimination cable this requires a soft ware tool available from Sam s website 3 6 1 Assignment of COM1 Interface Three Phase Operation In a three phase island grid the COM1 interface is required for synchronization of the three phases The three Sunny Islands in one system have to be inte
121. ntrol and Sunny Boy all devices have to be equipped with an RS485 interface This option can be requested when ordering a device Devices that have already been installed can be upgraded with RS485 com munication later This requires a special conversion kit The RS485 connection between the three devices as already described in chapter 3 6 not only makes possible configuration of the Sunny Island but also defined power limitation of the Sunny Boys as well as data recording with Sunny Data or Sunny Boy Control If a Sunny Boy Control is installed later pay attention to the required settings jump ers etc as described in the manual for the Sunny Boy Control 3 7 1 Simple Connection at COM2 Interface An RS485 G1 Piggy Back is required to upgrade the Sunny Island with a communi cation connection via the RS485 interface COM2 later Balancing and termination at the Sunny Island should be provided as shown in Fig 3 20 In this plant layout this interface of the Sunny Island COM2 RS485 is used for con trolled power limitation of the Sunny Boys to ensure controlled full charging of the storage battery BWRI33 12 EE 46 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Sunny Island COM 2 6802 Termination Jumpers not mounted Resistors under the Piggy Back module must be removed Connect shield to
122. nvalid adjustment data A0002 A0007 Internal Error Violation of plausibility limit values A0011 A0012 Internal Error Error in control system A0004 A0005 A0006 A0013 Internal Error Exceeding of limit values DC side A0022 Internal Error Exceeding of limit values AC side Internal Error Violation of plausibility limits of internal meas ured values A0038 Internal Error DSP timeout A0039 MA Overtemp Battery Battery temperature rise parameter BWRI33 12 EE e 1 58 a SMA Regelsysteme GmbH A0023 A0031 A0032 A0037 Sunny Island Installation and Operating Instructions Battery Low Battery state under limit value L4 or parameter Battery Temp Sense fail Battery temperature sensor fails break short circuit Battery Voltage Low Undervoltage of battery Battery Voltage High Overvoltage of battery High Grid Volt Overvoltage in the grid parameter or fixed DSP limits X Low Grid Volt Undervoltage in the grid parameter or fixed DSP limits High Grid Freq Overfrequency in the grid parameter or fixed DSP limits Low Grid Freq Underfrequency in the grid parameter or fixed DSP limits Unexp Grid State Unexpected grid voltage frequency at the in verter input port Contactor or Fuse Failure of grid relay or fuse Sync error Switching of operating mode failed Genset start failed Generator start failed Genset reverse power Energy was refed into the generator Sync signal failed DSP Sync signal failed SI Co
123. ocncccnnccccononccccccccconnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnns 31 3 4 7 Connection to an External Utility oooonnnnnnncccnnnnnnnnnnnccooccccccnnnnnnnnnnns 34 3 4 8 Connection to Generator and Utility ooo ooooccccnnnnnnininicccccccccnnnnnnnnnnno 37 3 4 9 Connection of a Battery Room Fan and Electrolyte PUMP 39 3 4 10 Connection of a DUMP Load rvrnnnnnnnnnnnnvrrrnnnnnnnnnnnnrrnnnnnrrrrnnenennnnnnn 40 BWRI33 12 EE 4 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 5 Finalization of Electrical Wiring rrrnnnrnrrrnnnnnnnnnnnnnnnrnnnnnnnnannnnnnnnnnnnnnnn 42 3 6 Interfaces for Communication asnnnonnnnnnnnnnnnnnnnnnrrnnnnnnnnnnrnnnnnrrnnensnernnnnnnn 43 3 6 1 Assignment of COM1 Interface Three Phase Operation 44 3 6 2 Assignment of COM2 Interface cccccccccnnncccccncccccncncnnnnccccnncnnnnnnnnnnnns 45 3 7 Connection with Sunny Boy and Sunny Boy Control rrnnnnnnnnnnnnnnnnnnnnne 46 3 7 1 Simple Connection at COM2 Interface ooooncccccccccnnncccnnnccoooccccnnnncnnnnnnnns 46 3 7 2 Multiple Connection at COM2 Interface oooocoocccccccncccccnnncaoccccnnnncnnnannnns 48 3 7 3 Simple Connection to PC aiii asian eeindeaeins eel 48 3 7 4 Alternative Communication at COM1 Interface rrrnrrrrnnnnnnnnrrnnnnnnnr 49 3 7 5 Assignment of COM3 Interface cccccccnnnnnoccccnnccccccccnonnncccnnnnnnnnnnnannns 50 3 8 Communication in a Th
124. of failures overwriting waiting time if re quired generator stopped immediately BWRI33 12 EE 1 61 A SMA Regelsysteme GmbH No E0034 E0035 0036 E0047 E0048 E0049 E0050 E0051 E0052 E0053 E0054 E0055 K5ON E0056 E0057 E0058 E0059 E0060 E0061 E0062 E0065 Sunny Island Installation and Operating Instructions CET EN E0079 Frequency decrem Frequency lowering started only in special configurations ON E0080 Frequency decrem Frequency lowering stopped only in special configurations OFF Table 17 2 Status signals BWRI33 12 EE E 1 62 T SMA Regelsysteme GmbH Sunny Island 18 Technical Data Power unit AC output power 30 min Tu 20 C Nominal output power Max efficiency Voltages currents Nominal battery voltage Battery voltage range Nominal battery current Max battery current Nominal AC voltage AC voltage range AC nominal current Nominal frequency Frequency range Harmonic distortion in output voltage typical value for V gt 60 V see chapter 12 3 BWRI33 12 EE Installation and Operating Instructions V Bat nom Bat nom Bat max K VAG with K Ugrid 163 4300 VA 3300 VA 2 90 60 V 46 V 81 V 60 A 125 A 230 V 196 V 253 V 14 5A 50 Hz 48 Hz 62 Hz lt 3 lt 2 Pi gt 0 5 Pos SMA Regelsysteme GmbH Sunny Is
125. off individually any time by selecting the setting ON or OFF IS After a restart the setting ON is reset to OFF for safety reasons In manual relay control ON OFF the automatic control by the Sunny Island is made invalid As a function of battery charge degree There is also the possibility to switch the relays depending on the battery state see chapter 11 2 Usually all relays can be used for this purpose unless they have been assigned special functions see below To set a relay control depending on the bat tery state please follow the steps below Settings for the relay K1 are described Settings for the relays K2 to K8 are to be made accordingly BWRI33 12 EE 89 S SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions e Under 712 K1 On t1 define the battery state which has to be reached to make the Sunny Island switch on relay K1 e Under 713 K1 Off t1 define the battery state which has to be reached to make the Sunny Island switch off relay K1 Depending on the device you want to control with this relay it can make sense to define a higher or a lower bat tery state IF The fact whether the battery state for switch on is higher or lower than the battery state for switch off determines when a relay is actually switched As shown in Fig 8 10 there are two different modes Consumer type switch on limit if battery state is above switch off limit and Feeder type
126. onductor cross section in mm The maximum battery current can be seen in the data sheets for the bat tery If this is not possible it can usually be estimated with the following formula EG so 0 05h C battery capacity in Ah For an exact determination of the grounding conductor cross section please refer to the relevant standards e g VDE 0100 part 540 3 4 2 Connection of the battery On the DC side a suitable storage battery has to be connected according to DIN VDE 0510 VDE specification for electric storage batteries and battery plants Make sure the cable to the storage battery has a sufficient cross section Pay attention to the correct polarity of the connection to the storage battery If the battery is to be grounded please follow the special instructions in chapter 3 4 1 BWRI33 12 EE ai 26 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions We urgently recommend a fused interrupter to disconnect the Sunny Island If there is no line protection fuse the installation of DC cables has to be inherently ground fault proof and short circuit proof The inter nal DC fuses of the Sunny Island are designed for interrupting cur R rents of up to 20 kA for L lt 0 015s The relevant regulations for installation have to be followed Battery input max 25 mm2 Sunny Island Fused interrupter to disconnect the Sunny Island e g 60 V 350 Ah Fig 3
127. onv Sum A b l s0 o Inverter current three phases Pext Sum kw Lszo 320 o Sum of generator active power three phases Pext L1 kW 1 320 320 0 Generator active power phase 1 BWRI33 12 EE 1 46 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Name Unit Min Max Default Description Pext L2 kw 320 320 0 Generator active power at phase 2 Pext L3 kw 320 320 0 Generator active power at phase 3 lext Sum A lo bso b Sum of generator current three phases Psi L1 Ikw 320 320 Grid active power of Sunny Island phase 1 Psi L2 kw 320 320 Grid active power of Sunny Island phase 2 Psi L3 w 320 po ee active power of Sunny Island phase 3 Bat State Current battery state 0 L4 1 L3 2 L2 3 L1 A N4 5 N3 6 N2 7 N1 8 O1 9 02 10 03 SOC act too hio o Battery state of charge Pbat Sum al 32000 o Sum of battery power SI three phases Ibat Sum Aa Lezo 320 o Sum of battery current SI three phases GenState 10 Generator state 0 none not active 1 off OFF 2 glow glowing up 3 crank cranking 4 warm warming up 5 run running 6 cool cooling down 7 Stopp stopping 8 lock locked after operation 9 fail failure 10 fail_look locked after multiple failure GenFail 0 6 0 Generator failure state O none no failure 1 F_crank failure during cranking 2 F_warm failure during warming up 3 F_Run failure in operation 4 F_Runlim gen falls short of m
128. or and on the public utility grid Generator is grid forming and it is switched between the generator and the Sunny Island without interruption special installation measures are necessary for this The Sunny Island is operated on the public utility grid and it is possible to switch from the Sunny Island as grid former to the public utility grid without interruption special installation measures are necessary for this The Sunny Island is operated together with a grid forming generator and on the public utility grid Switching takes place without interruption special installation measures are nec essary for this no generator start by Sunny Island Autostart relays K1 K2 3 contacts run start relays K1 K2 K5 3 contacts run Stopp relays K1 K2 K5 Ecopower CHP BWRI33 12 EE Sa 85 S SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARGEN 3 6 Name 604_GenSet Ctrl 605 GenStRetr 606 CurTrfRatio 607 Igen max 610 iGen glow 611 tGen crank 612 tGen warm 613 tGen minrun 614 tGen cool 615 iGen stop 616 tGen lock 617 tGen fail 618 Gen faillock 625 PldL GenOn 626 PldL GenOff Description The Sunny Island reduces its current input in charge operation RUN 1 0 OFF NO reduction 1 F_MAINS reduction as a function of generator frequency 2 I DIESEL as a function of generator current converter required see chapter 3 4 5
129. order to operate in a specific configuration Due to the fact that the plant configuration can differ from the examples quoted here the configuration of the Sunny Island can differ from the parameter settings sug gested in the following 13 1 Single Phase PV Island Grid with Generator Generator PV Modules Consumers Sunny Boy 230 V 50 Hz 60 Hz a Sunny Island tl 3 3 kw Batteries Ven 60 V Fig 13 1 Sunny Island single phase with generator and PV The Sunny Island operates in a single phase island grid in this example The island grid consists of single phase power sources Sunny Boy Generator and consumers BWRI33 12 EE E 1 21 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions as well as the Sunny Island with a battery storage that forms the grid Normally the voltage and frequency of the island grid are specified by the Sunny Island If addi tional energy is necessary the Sunny Island activates the generator functioning as grid forming element Necessary configuration The installer has to set the parameters of the Sunny Island listed in Table 13 1 The values are of course only examples The generator operates in parallel to the grid and is assumed to be Type 1 Parameter Configuration Description 501_Cbatnom 350 Ah Nominal capacity of the battery as stated by manufacturer 502_Bat Type Lead acid Depending on type gel fleece or liquid 503_Ubat nom 60
130. rconnected with special 15 pin interface cables available as an accessory SMA order name SI Synckabel Set The assignment of the SYNC BUS interface is shown in Table 3 2 Each Sunny Island is equipped both with a plug connector A and a socket connec tor B PIN Plug connector A RS485 top Socket connector 85485 bortom oo CN o swe ow Po a Is mm NI 5 smak Jsmar fe smmmousn sPmaoursn ra femmousn msemmousn Table 3 2 Assignment of COM1 SYNG BUS interface BWRI33 12 EE E 44 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 6 2 Assignment of COM2 Interface The signals listed in Table 3 3 are available when the corresponding Piggy Back has been installed GND GND 5V DSR Input of Sunny Island Table 3 3 Assignment of COM2 interface RS485 RS232 Recommended cable for RS485 COM1 and COM2 We generally recommend a so called LICY 2 x 2 x 0 25 mm cable as shown in Fig 3 19 Flexible PVC insulation ye Twisted pair 1 2 x 0 25 mm Je Fig 3 19 Recommended cable for RS485 communication IS The total length of the RS485 connection cable may not exceed 1200 m BWRI33 12 EE 45 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 3 7 Connection with Sunny Boy and Sunny Boy Control To establish the recommended communication connection via RS485 COM2 from the Sunny Island to the Sunny Boy Co
131. ree Phase Island Grid coooconnnnninccccccnnnnccnnnnnnn 51 4 Operatina INStTUCHON Sie eli 52 4 1 Display and Operating Elements oocooccncccccccccncccccconanananncnoncnnnnnnnnnannnnnnos 52 LE KE ASSEN 53 4 1 2 Contrast in Display ati n 53 4 1 3 Return to Status Display io 54 A A A N 54 4 2 Menu Structure et 55 5 First Commissioning of the Sunny Island srrnnnnrrrrrnnnnnnnrrrnnnnrrrrnnnnnnrnrrrnnnnnnn 58 6 cecserecee cation ti tea ao seach eee 61 6 1 First Configuration New System usos 62 6 2 Configuration after Battery Exchange New Battery rrrrnnnnnnnnvnnnnnnnr 66 6 3 Configuration after Restart Restart c cccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 68 Operation OPERAT onini anaien A A 69 7 1 Menu START 2 1 Operation of the Sunny Island ooooonccinnnncccncc 70 7 2 Menu GENSET 2 2 Operation of Generator rrrnnnnnnnnnnnnnnnnnnrrnnnnnne 71 BWRI33 12 EE 4 5 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 7 3 Menu FUNCT 2 3 Special Functions oooococcccccnncccooccccnncncconananannnnnnos 73 7 4 Menu BHKW 2 5 ecopower support cccccccccccconocononononcncncncnonanananannnons 73 8 SES SETE vr 75 8 1 Menu SETTIM 3 1 Setting the System Clock cceeeeeeeeeeeeeeeeees 76 8 2 Menu PASSWD 3 2 Entry of Password cocccccononncccccccccconccananancncnnos 77 8 3 Menu
132. rge 3 FULL full charge 4 Float float charge 5 Equalize equalizing charge SOC AHB Charge degree for full charge calibration Name Unit Min Max Default Description DATGRD 1 4 Uconv eff v b bo b Current grid voltage actual value Fconv Hz fo hoo o Current grid frequency Iconv eff A lo 1820 lo averaged grid current Iconv Sum A Jo 1640 Inverter current three phases Pconv W szooo 82000 o Grid active power Sunny Island Pconv Sum kw Lszo 320 o Sum of grid active power SI three phases Qconv var 32000 32000 o Grid reactive power SI Qconv Sum kvar 320 320 o Sum of grid reactive power SI three phases Sconv VA 32000 32000 o Grid apparent power SI Sconv Sum kva 320 320 o Sum of grid apparent power SI three phases Uext eff pp RMS value of synchronous voltage Fext Hz 0 100 Current grid frequency on synchronous input BWRI33 12 EE 1 50 i SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions Name lext eff lext Sum Pext Pext Sum kW 320 320 0 Sum of generator active power three phases BWRI33 12 EE ae 1 51 SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions 16 Terminal Diagrams for Generator Options For simple and fast installation you can see on the following pages examples for wir ing to connect a generator to an island system The examples are based on single phase island systems In principle the same installation me
133. ssible that the Sunny Island will start from time to time even if this parameter is set to 0 s Parameter 535 State Stop T for details Communication protocol COM1 None Interface is not used SMANET Interface uses SMANet protocol SUNNYNET Interface uses SunnyNet protocol Set to SUNNYNET for communication with Sunny Boys Baud rate COM1 bits s 1200 9600 19200 Set to 1200 for communication with Sunny Boys or Sunny Boy Controls In three phase operation all devices have to be set to 19200 Corresponding to parameter 313 see above Set to 1200 for communication with Sunny Boys or Sunny Boy Controls with Sunny Boys Table 8 1 Settings in menu PARSYS 3 3 8 4 Menu PARGRD 3 4 Parameters Grid This menu can only be selected after the installer password level 1 has been en tered BWRI33 12 EE 79 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Fig 8 6 Menu PARGRD 3 4 The Sunny Island is informed about the operating values of the connected AC grid with the settings in the menu PARGRD 3 4 These values are the voltage and frequency which the Sunny Island being the grid forming device has to make avail able In addition these are limiting values When these limits are exceeded the Sunny Island in grid tied operation detects this state as an error After changing the parameter 401_Phase Mode the Sunny Island must be r
134. structions 11 Battery Management The battery management monitors the limit values for current voltage and tempera ture calculates the current charge degree and battery state controls and monitors the charge depending on the previous situations and can control an electrolyte circu lation pump as well as a battery room fan The parameters are described in chapter 8 5 All settings to be considered for the first operation are described in chapter 6 If you have exchanged the lead acid battery of the Sunny Island restart the system and follow the instructions in chapter 6 2 BWRI33 12 EE z 1 1 0 E SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 11 1 Charging Methods The battery is charged in a charging procedure adjusted to the type of battery gel fleece or lead acid battery The Sunny Island is informed of the battery type via the parameter 502 Bat Type e g in the menu PARBAT 3 5 If you have installed a non VARLA battery with electrolyte circulation please set the battery type to gel battery as the charging voltages and times are more suitable for this type The final charge voltage of the battery is adjusted to the respective battery temperature which in turn has been determined via a battery temperature sensor Above 20 C the ref erence value for the final charge voltage is therefore decreased by 4 mV K visible in the menu PARBAT 3 5 Below 20 C the value is increase
135. t of COM2 interface RS485 RS232 oooooccccncccccccccccccccconannnn 45 Assignment of Sunny Island interface COM3 eeeeeeeeeeeeeeeeeeeeteee 50 Meaning of symbols PR 53 FUNCION ot Key S cena A E E E E E AAR 53 Key combination to set Up display oooooooocccccccccccanananacccononcnonanananancccnnnnnnns 54 Key combination for fast return to status display ooooooocccccnnccnccncccccccnnnn 54 Contents of the four menu branches oococoocccccccccccononanonononcnnncnnncnnnnnann nacen Br Parameters to be entered for configuration via New System 64 Parameters to be entered for configuration via New Battery 67 Settings for the menu GENSET LB ocooooocccccccccnccccccononncncnncnnnnnnnnnanancnnnos 73 Settings in the menu BHKW 245 ooooooonoococcccccccconcnccononancnoconnnnnnnnnnnnnnnos 74 Settings in menu PAR SYS 3 3 a ice oAGeNRERNDE 79 Settings in menu PARGRD 3 4 rrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne 81 Settings in menu PARBAT 345 se are Sulen 84 1 78 SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions Table 8 4 Settings in menu PARGEN 3 6 ecoooccccnoncconocononancccnoncccnnnnnnanonccnnnnncnnnnnnns 88 Table 8 5 Special functions of relayS oooooonnnccccnnnnnnnccncononccccnccnnnnnnnnnnnnnnnnnnnnnnnnnnnnnns 92 Table 8 6 Settings in the menu PARREL 347 oooocccccnncncccccnnncccconannanannnonononc
136. t one phase has been exceeded Operating mode of relay K1 0 OFF Switch relay K1 off 1 ON Switch relay K1 on 2 AUTO Sunny Island automatically con trols relay K1 Operating mode of relay K2 0 OFF Switch relay K2 off 1 ON Switch relay K2 on 2 AUTO Sunny Island automatically con trols relay K2 Operating mode of relay K3 0 OFF Switch relay K3 off 1 ON Switch relay K3 on 2 AUTO Sunny Island automatically con trols relay K3 Operating mode of relay K4 0 OFF Switch relay K4 off 1 ON Switch relay K4 on 2 AUTO Sunny Island automatically con trols relay K4 E 1 40 a SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARALL 3 9 Parameter Unit Min Max Default Parameter Unit Min Max Default Description BWRI33 12 EE 141 705_Man K5 icc teeta OFF ON AUTO RUN RUN_U HD_CTRL TK_CTRL HDTK_CTRL GEN_MANU 11 LOAD Switch relay K5 off Switch relay K5 on Sunny Island automatically con trols relay K5 Relay is only switched on when the Sunny Island operates Relay is only switched on when the Sunny Island operates as the grid forming element Relay is only switched on when the Sunny Island is in grid tied operation Relay is switched during trans fer from grid forming to grid tied operation Relay is switched during trans fer from grid tied to grid forming operation Relay is switched during an
137. tage V Fig 18 1 Limit curves of relays BWRI33 12 EE a 1 65 5 SMA Regelsysteme GmbH Sunny Island Installation and Operating Instructions 19 Servicing and Maintenance The Sunny Island was designed as a robust device which requires extremely little servicing A few standard servicing tasks have to be fulfilled which can be easily combined with servicing of other components in the island grid lead acid battery diesel generator etc Device batteries The inverter only puts a load on the three LR6 AA round batteries in the terminal area of the Sunny Island if it is not in operation i e it is supplied neither by the lead acid battery nor by the AC grid If not under load the batteries have to be exchanged every five years only Only replace them with alkaline cells of equal quality For envi ronmentally friendly disposal of used cells follow the instructions of the local authori ties In case of increased ambient temperatures and frequent long term switch off of the Sunny Island it may be necessary to exchange the batteries approximately every six months Please also follow the battery manufacturer s instructions IS In normal operation the batteries are not urgently required for Sunny Is land operation In case of a failure however important data can be lost without the batteries These data could otherwise help you considerably in finding the cause of the failure Keep in mind that warranty may be re stricted in certai
138. tal of active generator power three phases Table 9 5 Menu DATGRD 1 4 BWRI33 12 EE E 1 05 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 10 Diagnosis DIAG rar ee Err not Ackn 6 Current Error Humber Fig 10 1 Menu selection DIAG 0 4 The Sunny Island has a very powerful system management It makes it possible to adjust the controlling behavior of the Sunny Island precisely to the connected island grid and its components To be able to optimize the required settings it is helpful to have a look at the history of the plant s behavior However the operator should not be dependent on a PC that has to be operating all the time to be able to view these data Therefore the Sunny Island continuously not only acquires changes of its oper ating state events but also any excess of a limiting value or error alerts Alerts are to be distinguished into more serious ones that the user has to confirm and less serious ones which are merely recorded in the error list see chapter 17 The DIAG 0 4 menu selection shows the error status of the system The menu branch itself comprises detailed lists of the latest errors and system states For a clear distinction events are marked with an E in front alerts with an A BWRI33 12 EE 1 06 E SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 0 4 DI
139. tate battery charge degree battery current positive battery is charged nega tive battery is discharged Voltage at the Diesel ra input port of the Sunny Island frequency of the Diesel e voltage a of the generator measured via Diesel Sync input port and Diesel current termi Table 9 2 Values shown in DATAV 1 0 BWRI33 12 EE E 99 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 9 2 Menu DATSYS 1 1 System Data JATAL DATSYS Fig 9 5 Menu DATSYS 1 1 The menu DATSYS 1 1 shows internal data of the Sunny Island These are the serial number the release number of the firmware version for system management and control as well as the so called up time total operating hours 9 3 Menu DATALL 1 2 Overall Plant Data Fig 9 6 Menu DATALL 1 2 Table 9 3 explains only those plant data which are visible to the operator password level 0 You will find a complete list of all plant data in the appendix DATALL 1 2 Name Description Status Current operating mode BWRI33 12 EE 1 00 E SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Bat State SOC act Pbat Sum Ibat Sum GenState GenFail K1 State K2 State K3 State K4 State K5 State K6 State K7 State K8 State Fext Uext eff lext eff Pext Ubat mean Ibat mean Pbat mean Tbat mean Fconv Uconv eff Iconv eff Pconv S
140. teed if combined with load man agement This is due to the fact that energy yield may vary strongly depending on the season The Sunny Island is optimized for integration of grid tied PV plants into an island grid and allows sophisticated load management The Sunny Boy inverters available in different sizes can be modularly integrated into the island grid The Sun ny Boys and the Sunny Island communicate via the COM2 interface RS485 Via this interface the Sunny Island derates the output power of the Sunny Boys in case the battery is about to be overcharged Disconnection of consumers In an island grid that does not include a feeder available any time combustion ag gregate the consumers connected should be classified in terms of which battery states have to be reached for the Sunny Island to switch them off or if required switch them on This allows a careful operation of the battery and a high reliability of the most important consumers Any consumers in the island grid whose temporary switch off will not have serious consequences such as air conditioning should be used in order to reduce consumption within the island grid in case of a low battery The Sunny Island should disconnect these consumers via one of the freely configur able relays K1 to K8 if e g the battery state N3 or N4 is reached When battery state L2 is reached all consumers if possible should be switched off at the latest A model for wiring is shown in chap
141. ter 3 4 10 BWRI33 12 EE 7 1 24 oe SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Emergency operation In case of a flat battery in a purely PV supplied island grid battery state L4 the Sunny Island has an operating mode enabling it to make the AC grid available to feeders nonetheless In this mode the inverter generates the grid voltage for a few minutes every four hours over the day and detects whether there is enough feeding power to charge the battery This is an effective way to avoid a long term total shut down of the system even under the worst conditions Required parameter settings The installer has to set the parameters of the Sunny Island listed in Table 13 2 The values are of course only examples The configuration is based on the assumption that the consumers that can be disconnected are controlled via relay K4 Parameter Configuration Description 501_Cbatnom 350 Ah Nominal capacity of the battery as stated by the manufac turer 502_Bat Type Lead acid Depending on type gel fleece or liquid 503_Ubat nom 60 0 V Nominal battery voltage 506_acid density 1 28 kg l Nominal acid density of electrolyte 401_Phase Mode 1Phs_Single Single phase operation 402 Uconv nom 230 0 V Nominal voltage AC RUN_U 403_Fconv nom 50 00 Hz Nominal frequency AC RUN_U 704 Man K4 AUTO Relay K4 is controlled by the Sunny Island system manage ment 728_K4 t2 begin 729 K4t2 end 730_K4 Onti
142. tor voltage sensor cables The cross section of the cable leading from the current converter to the inverter should be large enough to keep losses low compare Fig 3 9 BWRI33 12 EE z 30 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions If the measuring circuit of the inverter is opened during operation this can lead to overvoltages and destruction of the current con verter The measuring circuit therefore has to be short circuited at the current converter 100 y AX gt gt A Se Sof SSeS Se O A A SN Enee E EE E NI A A LE I Foal I i a p A SN T TIT i o a GERE rn A AA a Kr Ad AA hae EE fey ee CA A A I poa I A I Lo I E ed paraden pest ps Rote a ol e on lg Eb ED SA a SAA AA I poa I I I AX D 1 I fr Ps s EEE A N A A E Eo A KE LAKE SE KE AA I 16 Val I A o I I I ke AP br a Al A e I poa I a I I DJ I I Pod s I poa a A AS LO I I Ped I I I pa G Le I I ppal e T Porro ERA A Vol pA SO ee RAE gee A A I 1 0 ED es EE KP A e GEE 00 BY YESS oS ehh SNE Eee MS PD DE KP GE GE SS OS Ee Ss Revie Sra ire eo MUERA AD q AS AO DEE SS gee ped aes RE eae We che eal Sid a pe EE SE e o E e Pa O RADA NE ATL a KN AK DB AKK E Art alet A A E __ Cable cross AA p 4 9 A A i 9 al section mm 2 A CES lt A AS UE AA l a DE JAER A A E 5 A IN Gs oe Mat i 2 a IF 0 75 A O I I I I I 1 gt X LAS I I I I amp 15 A ee RS NS DA AA E SO ee E ig ee EEE E TZ LA LAO DAS I J
143. ttery voltage Cbat act Current battery capacity SOC diff AHB 100 50 Error of charge degree for full charge degree cali bration Qan full Ah 10000 10000 Charge throughput discharge since last full 100Ah charge Qdn equal Ah 10000 10000 Charge throughput discharge since last equaliz 100Ah ing charge tpast full a fo 8700 o Time since last full charge tpast equal d 0 3700 JO Time since last equalizing charge BWRI33 12 EE 1 48 E SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Name t Uconst chg t Uconst full t Uconst equal Unit Min Max Default Description hn b fo o ime of constant U Phase for normal charges h b ko p Time of constant U phase for full charges h time of constant U phase for equalizing charges Qd float m PP taken out since beginning of float charge 100Ah ChargeOper State of battery management charging methods 1 none required charge voltage for battery management 2 normal normal charge 3 FULL full charge 4 Float float charge 5 Equalize equalizing charge SOG diff ep fo fo Difference of charge degree calculation SOC AHG 100 hio 50 Charge degree for full charge calibration SOC RSK 100 1110 50 Charge degree of module for open circuit voltage calibration Name Unit Min Max Default Description DATBAT 1 3 Bat State 10 Current battery state 0 L4 1 L
144. ty company is mandatory IF To monitor the battery temperature a Pt100 temperature sensor has to be connected to the Sunny Island BWRI33 12 EE i 1 26 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Required parameter settings The installer has to set the parameters listed in Table 13 3 The values are of course only examples The generator is defined to be grid forming and is assumed to be of type 2 A current and voltage measurement for the generator should be installed See chapter 3 4 5 for details 350 Ah Nominal capacity of the battery as stated by manufacturer Lead acid Depending on type gel fleece or liquid Parameter 501_Cbatnom 502_Bat Type 503 Ubar nom 506 acid density 401 Phase Mode i iquid i _U 402 Uconv nom 403_Fconv nom 50 00 Hz Nominal frequency AC RUN_U 10A Configure generator nominal current Grid forming Grid forming Typ 2 Relays K1 K5 _Diesel Control of generator current current transformer required 410_lext nom 602_GenSET typ 603_GenSet inter 604_GenSet Ctrl 609 GenLoad min o Minimum generator capacity utilization in if value falls be low limit the generator is switched off taking into account the minimum run time 613_tGen minrun 701_Man K1 Auto Relay 1 is controlled by Sunny Island 702_Man K2 Auto Relay K2 is controlled by Sunny Island Connection of gen erator to island grid 703_Man K3 Auto Relay K3 is
145. u L LLEI mu iia pla ata a ad e A E G K pol AEE EE ein i r n 25 er gt AE A RE FR SER RR EPER EEA Pe SEPARERE pr e bo Sa J ea 4 pb ek EE SEE Eh AD EEE EEE Els 4 L S A y AS A A a AE LE ee rt Le 6 O pesi I I I I I pe TE resa IS A PER ENE o AO ED OS EEE Lupus ds sel aS SiS A Current Intensity A 5 I ii I I I I Cable material Copper ieee dl I poa I I I I I I eee ee oe OE 0 1 1 10 100 1000 Distance to current transformer m Fig 3 9 Power loss due to the secondary circuit to the inverter 3 4 6 Connection of a Generator If e g a diesel generator is integrated into the island grid not only the measurement signals listed in chapter 3 3 but also the control signals Diesel start and Diesel contactor have to be wired as shown in Fig 3 10 The generator is switched on with the relay Diesel start K1 When it has started up the Sunny Island goes idle short interruption and connects the generator s volt age to the island grid by switching the relay Diesel contactor K2 Afterwards the Sunny Island changes to grid tied operation RUN_1 BWRI33 12 EE 31 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Diesel contactor AC Outlet Sunny Island Generator external distribution Generator Fig 3 10 Connection of a diesel generator Three common options to start diesel generators are described in chapter 16 In most
146. u DATBAT 1 3 only shows those data concerning the battery DATBAT 1 3 Name Bat State SOC act Ubat mean Uchrg act Ibat mean Ibat Sum Tbat mean Pbat mean Pbat Sum SOC RSK SOC dff RSK Qb RSK Qbdiff RSK Cbat act Qdn full Qdn equal tpast full tpast equal T Uconst charge Description Current battery charge degree Battery charge degree Mean value of battery voltage Setpoint value of battery voltage Mean value of battery current Total of battery current SI three phases Mean value of battery temperature Mean value of battery power Total battery power SI three phases Charge degree of module open circuit voltage calibration Estimated error of the charge degree SOC RSK Charge balance of open circuit voltage calibration Difference of charge degree calculation of open circuit voltage calibration Actual capacity Charge throughput discharge since last full charge Charge throughput discharge since last equalizing charge Time since last full charge Time since last equalizing charge Time of constant U phase for normal charges BWRI33 12 EE 1 02 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions t Uconst full Time of constant U phase for full charges t Uconst equal Time of constant U phase for equalizing charges ChargeOper State of battery management SOC AHB Charge degree of full charge degree calibration
147. uxiliary supply output port for special plant interconnections see chapter 3 4 SMA order name SI BP24 e RS485 interface or RS232 interface as Piggy Back Installation box for convenient connection of a mobile generator SMA order name SI GENCASE 01 e Kit for update of the Sunny Island firmware SMA order name SI UPDATE 3 2 Placement of the Sunny Island The Sunny Island is a highly integrated electronic device which is extremely sensitive to moisture within the enclosure L The Sunny Island is not suitable for outdoor installation For overall planning of your plant it is important to select a favorable location for the inverter s The following criteria are meant to help you decide where to position the Sunny Island Criteria for placement e Installation only possible indoors due to protection degree IP20 e Do not expose the inverter to direct or indirect humidity BWRI33 12 EE E 1 6 ox SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Keep cables leading to the battery storage as short as possible DC cabling e Avoid installing in the living area as slight noise emission is possible Avoid mounting on resonant parts and easily combustible materials e g thin wooden panels plaster panels etc e Provide accessibility for installation and later service Installation at level height makes it possible to easily view the display and press the ke
148. v 00209x5 797 UASSSI YISUP USJSENITEYISUV uag E S 134 CI 2y E L 7 2 VW vayTeyossne PUETSI Auuns we 24 JEY BYISZINYISS UNJTST ay usa 2 uszjasJaA qpue3s yuesqatJ439g UT PUETST AuUNS I uapel S3UJ3JX3 un astamsuayabuoa I I al Joox Po _ Eg a GR Se tt SNES ge ge A AAN AAA IA A Reeth Am dd a ae ad PE NES E ee en ig II A ae FE KR e N Zd 1 24 7 N vr EF 24 ZHOG ADEZ Buebur3 2uAs uta Buebsny Tesetq 240498 W Tasatg Yt ar A A O A A A Sh ES EN A a gn grr Ee ae fin at a73stargntyosuy puersI Auuns LL El ST vt EL er tr og 6 B 9 5 v E e Sunny Island RIC BEE EL mm External charging of the battery by an auxiliary generator 16 5 Ig F SMA Regelsysteme GmbH 157 BWRI33 12 EE Sunny Island Installation and Operating Instructions 17 Error and Status Signals The following list provides an overview of possible error and status signals of the Sunny Island These are e g used in the menu branch DIAG In case of an acute error the signal is also directly shown on the display for a short time The status signals are meant to provide information on the status the plant is in They also allow optimum configuration of system settings If error signals are shown on the display repeatedly without any apparent reason such as an operating error please write down the error signal and contact the manufacturer see chapter 22 17 1 Error Signals A0001 Internal Error I
149. ven when disconnected there can be high touch volt ages within the device Please see our detailed description of how to handle the Sunny Island and closely follow all instructions Under certain circumstances the Sunny Island may start up autono mously Keep this in mind when working on the island grid and al ways switch off the AC fuses of all Sunny Islands in the island grid 11 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 2 System Description 2 1 Modularly Structured Power Supply Systems The supply of small decentralized consumers which cannot be connected to a public grid is of large relevance world wide particularly in developing and threshold coun tries This is an almost ideal application for isolated off grid photovoltaic power sup ply systems Experience with such systems in an output range of 2 10 kW has shown that they should not only be very reliable economical and robust but above all modularly structured and therefore easily expandable later on Only a simply structured and flexible system design for these PV power supply systems will enable widespread application The central component of such a modular power supply system is the battery in verter Sunny Island Intelligent system management and control not only allow to supply different consumers but also to connect the SMA Sunny Boy String Inverters for supplementary grid feeding The connection of small wind ener
150. witched during any transfer from grid tied to grid forming operation or vice versa GEN MANU Relay is switched if generator has already been started before the Sunny Island 11 LOAD Relay is switched in relation to load see also parameter 625 to 630 Sunny Island Installation amp Operating Instructions PARALL 3 9 Parameter Unit Min Max Default Description 712 K1 Onti When this battery state is reached K1 is switched on L4 deep cycle discharge L3 L2 L1 N4 N3 N2 N1 Battery full O1 Overcharge 02 SAR O SI Te ice 713 K1 Off t1 When this battery state is reached K1 is switched off L4 deep cycle discharge L3 L2 L1 N4 N3 N2 N1 Battery full O1 Overcharge 02 Zoo Jo 9 w 9 714 K1 Ont2 N N N o o o o o o o o o o o 5 Switch on threshold for K1 in special period t2 see 712 715 K1 Off t2 5 Switch off threshold for K1 in special period t2 see 713 Switch on threshold for K2 in special period t2 see 714 5 Switch off threshold for K2 in special period t2 see 715 Beginning of special period t2 for K3 see 710 BWRI33 12 EE E 1 43 5 SMA Regelsysteme GmbH 716_K2 t2 begin 717_K2t2 end 718 K2 Onti 5 719 K2 Off t1 5 720 K2 On t2 5 721 K2 Off t2 I 722_K3 t2 begin Sunny Island Installation amp Operating Instructions PARALL 3 9 Parameter Unit Min Max Default Description 723 K3
151. y transfer from grid tied to grid forming operation or vice versa Relay is switched if generator has already been started before the Sunny Island Relay is switched in relation to load see also parameter 625 to 630 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions PARALL 3 9 Parameter Unit Min Max Default Description 706_Man K6 Operating mode of relay K7 0 OFF Switch relay K7 off 1 ON Switch relay K7 on 2 AUTO Sunny Island automatically con trols relay K7 707 Man K7 708 Man K8 Operating mode of relay K8 0 OFF Switch relay K8 off 1 ON Switch relay K8 on 2 AUTO Sunny Island automatically con trols relay K8 Start of special period t2 for K1 End of special period t2 for K1 23 710_K1 t2 begin h 711_K1 t2 end BWRI33 12 EE E 1 42 a SMA Regelsysteme GmbH Operating mode of relay K6 OFF Switch relay K6 off ON Switch relay K6 on AUTO Sunny Island automatically con trols relay K6 RUN Relay is only switched on when the Sunny Island operates RUN_U Relay is only switched on when the Sunny Island operates as the grid forming element RUN I Relay is only switched on when the Sunny Island is in grid tied operation HD_CTRL Relay is switched during trans fer from grid forming to grid tied operation TK_CTRL Relay is switched during trans fer from grid tied to grid forming operation HDTK_CTRL Relay is s
152. y Island Installation amp Operating Instructions 8 2 Menu PASSWD 3 2 Entry of Password Password nannanna Fig 8 4 Menu PASSWD 3 2 Functions which seriously influence the operating behavior of the Sunny Island are password protected To reach the menus shown in gray in Fig 4 2 you need an in staller password level 1 The menus with a white background level 0 can be selected without having to enter a password Functions influencing the plant specific settings and thus the operat ing safety of the Sunny Island are locked by the installer password The system parameters can only be changed after this password has been entered Password protection is activated again e if a wrong password has been entered in the menu PASSWD 3 2 e onarestart e when using the return function see chapter 4 1 3 e if no keys have been pressed for approximately 5 minutes BWRI33 12 EE 3 77 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions 8 3 Menu PARSYS 3 3 Parameters System This menu can only be selected after the installer password level 1 has been en tered Auto tart OH1 Proto ET OM 1 Baud Fig 8 5 Menu PARSYS 3 3 In the menu PARSYS 3 3 you can set the parameters that concern the Sunny Island itself Essentially these are the settings for communication and thus the inter face configuration I gt Especially for three phase systems ch
153. y state lower is reached However from 6 am to 6 pm the Sunny Island at tempts to switch on every four hours Battery states when the low battery load mode is activated L4 L3 L2 L1 N4 N3 N2 N1 01 02 GP OL Om 0 DD Delay of switch on for battery room fan In order to use this setting 511 Bat Fan must be set to Installed BWRI33 12 EE 1 35 SMA Regelsysteme GmbH Sunny Island PARALL 3 9 Parameter 537_Fan off del 538 lloss nom 601 GenSet Oper 602 GenSet Type BWRI33 12 EE Unit Min Max Default Installation amp Operating Instructions Parameter Unit Min Max Default Description emne ror MO of switch off for battery room fan In order to use this setting 511 Bat Fan must be set to Installed Specific leakage current of battery for float charge and 20 C Approximate values 30 mA 100Ah for new batteries 80 mA 100Ah for batteries that have considerably aged The value is NOT automatically defined by the Sunny Island Battery management can therefore be further optimized by manually adjusting the value from time to time The generator is automatically started and stopped by the Sunny Island 1 Man Start The generator is immediately started 2 Man Stop The generator is immediately stopped 3 Man Ackn Waiting times due to failures or parameters are finished However parameterized times are kept to 0 None No ge
154. ys Please note the following points in any case e The mounting background must be firm weight of inverter approx 45 kg e The ambient temperature must be between 25 C and 45 C If the Sunny Island is transferred from a cold to a warm place wait for a sufficient time at least 15 minutes before commis sioning so that any moisture condensation that might have oc curred can evaporate A minimum distance of 20 cm must be clear above the inverter for ventilation i e no cabinets ceiling etc The free air circulation around the case must not be obstructed to ensure sufficient cooling If you install the Sunny Island in a cabinet or closet etc the air circulation must be sufficient for heat dissipation provide ex ternal ventilation e The heat sink can reach a temperature of more than 80 C Provide a correct position of the battery inverter see Fig 3 1 and Fig 3 2 BWRI33 12 EE a 1 7 SMA Regelsysteme GmbH Sunny Island Installation amp Operating Instructions Mounting on the wall The Sunny Island is mounted on a mounting rail on a firm surface Four screws and the corresponding dowels are necessary The screws and dowels are not included in delivery and have to have a sufficient size We recommend two 6 mm hexagon head screws and 8 mm dowels for fastening on top see Fig 3 1 IS Make sure the mounting slide is securely fastened as it carries the inverter s total weight

Sunny Island - SMA Solar Technology AG

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