User Manual - Energy365 - Now you can use solar power after the
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1. Clean Energy Couch ACCREDITED BYD COMPANY LIMITED NO 3009 BYD Road Pingshan Shenzhen 518118 P R China Website www bydenergy com Providing green stable and safe electric power Distributed Energy Storage System DESS BO8PO03A A SAAD APPROVALS N136 Build Your Dreams Distributed Energy Storage System Build Your Dreams Content 1 Brief Introduction ccc eeccccsssccceeseeeeeeeeenseeeecaeeeeeesueceeseeeesseeeesasessueeeseaeeenanes 1 2 instalation ee nee ee E er eT 1 21 CONDON OE MISE en E woe sat danesaanespaenoustescsweriusesee suse E EOT 1 2 2 Recommended Cable SIZES saesantsateceactisnnataclenesiacbavaeeqtsndeceacestenta asin A E EEEE EEEE a EESO 2 2 3 ASAIO Plac eMENt sapcrentesotecarenecumataenectetcoasaeiis pte taveaaacmaltasnesteeceasdeunecosensseaencnatsrcsteheoasacutess 3 2A EECC CICONE CIO N n score E E A EE OO AET OAE 4 3 Startup and SCO osre en E E EEEE E AAE ses nese 5 sL SV SI a a S E E E E 7 SE V GON e E E E EE EEE 8 3 3 Selecting the Bypass FUNCTION siccsererarsssannnssaraconunasddesvasavanadapadenshaarddansnseddeneaderneatabaiwesiateontes 8 4 Language and Date Settings ccccccecceecsecsecsecseececeeceeeeseeeeeeeeeeeseeseeeeeeees 8 5 Working Modes singers ee dadrws igre cn baasueciaaiauneendaieansdisetenseasteandiauneeaisibuneheceseees 12 5 1 Detailed Setup for Matching Load Working Mod e cccccssccccssecccessceeeseceeesecesaueceeaenees 12 5 2 Det2. mode will be effective 17 Distributed Energy Storage System Build Your Dreams 5 4 Detailed Setup for Tariff Management Tariff Management In Tariff Management working mode the DESS can be setup to provide up to three grid charge times and three discharge times to load The existing grid tied inverter is connected to the system and is first used to supply the load and the excess to charge the battery bank If there is indeed still excess energy available and or the battery bank is fully charged then the PV energy generated is exported to the grid In Tariff Management working mode the user is able to set predefined charge times from the grid and discharge times to the loads to enable the high PEAK tariff periods to be supplied from the DESS and the low OFF PEAK tariffs to be used for battery recharging if needed The Max SOC is used to set the limit for grid charging This allows more effective use of the PV system during the daytime The Min SOC is the cut off level for the system when discharging to the Essential Local and Non Essential Big loads The higher the min SOC the longer the backup times available for operating Essential Loads during a power outage Example The customer has a 3kW NET PV system and they currently have 5kWh of excess energy on average available that they would like to store for later use They would also like to use 7kWh of the available storage each day during the PEAK period and provide them with a buf
3. 9576W Sync DATALOGGER Time SOC 26 P EE System Battery Inverter Querying Setting Help Fig 4 4 Language setting shortcut button amp Select the Time Setting icon on the System setting interface to enter into the time settin interface as shown in Fig 4 5 Date 2013 05 03 Time 11 40 eel Fig 4 5 Time setting interface Input the correct date and time in the right format to that shown and select Submit for the settings to be effective 10 Distributed Energy Storage System Build Your Dreams NOTE Incorrect time setting will result in inaccurate recording of electricity usage generation history and abnormal operating times of inverter Select the Time Zone iron on the System setting interface to enter into the time zone setting screen as shown in Fig 4 6 Time cmt s Zone E ee Fig 4 6 Time zone setting interface Choose the correct time zone and click submit to update 11 Distributed Energy Storage System Build Your Dreams 5 Working Modes Select the Setting iron of the control column on the touch screen to enter into the main interface of advanced settings as shown below k System setting maintenance Administrator Max Storing Energ The arrow shows the JA E P o current working mode aatcning Load Load Shifting Inverter Control Charger 1 Control Charger 2 Control fTariff Management
4. will be converted into DC power by the inverter to charge the battery bank providing the excess PV power is less than the nominal power of inverter If the AC power generated by the PV inverter is less than the power needed for the local loads the extra power required for the local loads is provided by the inverter converting the battery power into AC power When the battery capacity is full and the PV inverter still generates power the excess power generated by the PV inverter will be delivered to the grid GMLO Grid tie Match Load Only Matching the local load only When the battery capacity is not full and higher than the min SOC if the AC energy generated by the PV grid tied inverter is higher than the power needed by the local loads then the power needed by the local loads is provided by the PV grid tied inverter and the excess PV energy is converted into DC power to charge the battery bank if the AC energy generated by the PV grid tied inverter is less than the power needed by the local loads the inverter converts the battery power into AC energy to provide for the load and complement 13 Distributed Energy Storage System Build Your Dreams the PV grid tied inverter When the battery capacity is full and there is still excess PV energy generated the system will disconnect the PV grid tied inverter until the battery capacity decreases to 80 then the system will re establish the connection gt System Min SOC Is the minimum SOC l
5. PV grid tied inverter is less than the power needed by the local load the inverter converts the battery power into AC energy to provide for the load and complement the PV grid tied inverter When the battery capacity is full and there is still excess PV energy generated the system will disconnect the PV grid tied inverter until the battery capacity decreases to 80 then the system will re establish the connection After all the parameters have been setup select the Set button and then the related working mode will be effective 15 Distributed Energy Storage System Build Your Dreams 5 3 Detailed Setup for Load Shifting Mode Load Shifting In the Load Shifting mode the DESS is able to be programmed to enable a set charge period from the grid and a discharge period to the loads ee Select Load Shifting to enter into the detailed setup interface of load shifting mode Load Shitting Set Exit Init Fig 5 4 Setup interface of load shifting mode In the load shifting working mode there are five parameters which can be modified by the user gt PV BATT Use Mode Determines the usage type of batteries or PV energy and there are three available parameters the default is GMLP with the explanation as follows GSO Maximum discharging power only on grid When the battery capacity is full higher than the maximum value the system will discharge power on grid at the maximum power When th
6. cabinet must also be installed in a weatherproof location See warnings below for further information Warning meets the operation requirements of product 4 Ensure the installation place has with good ventilation and the ambient environment No flammable and explosive goods shall be placed within 4 meters of system 3 Ambient temperature for the installation should be in the range of 0 C to 45 C Warning o Smoking and fireworks are not allowed near the batteries 2 Ensure the area around the system cabinet is clean and ventilated G Ensure the wiring and external circuit protection meets the local general standards failure to follow these guidelines may cause injury Fig 2 2 Correct placement of battery cabinet Distributed Energy Storage System Build Your Dreams 2 4 Electrical Connection MEETER CES eH NATTA tae 44 Ae i AC SI L2 AC INPUT L i AC OUTPUT L AC SI L1 BIG LOAD oN EARTH Fig 2 3 Terminal block Table 2 3 Description of terminal block DESCRIPTION Grid input lt 15kw Big solar inverter input 3kW 10kW Big load input lt 15kw Non essential loads Small load input lt 3kw Essential loads Small solar inverter input lt 3kw Distributed Energy Storage System Build Your Dreams 3 Startup and Shutdown DESS internal components and circuit protection war ily e Circuit Breaker MCB 1 Fig 3 1 Cabinet internal configuration Distributed
7. the system is shutdown to avoid a low dangerously battery voltage caused by the long time storage of the DESS 7 If you want to recalculate the systems accumulated energy use the clear accumulated energy function as shown Select the Setting iron of the control column on the touch screen to enter into the main interface of advanced settings as shown in Fig 6 1 21 Distributed Energy Storage System Build Your Dreams s cy Ap ea System setting maintenance Administrator eae l 7 Matching Load m m E Load Shifting P P 4 Inverter Control Charger 1 ControlCharger 2 Control fTaritf Management System Battery Ji PV Inverter Querying ek iia Help ae Fig 6 1 Main interface of advanced settings Select the Maintenance iron on the main interface of advanced settings to enter into the system maintenance interface as shown below maintenance Fig 6 2 Maintenance interface amp Select the Clear history accumulated power button on the maintenance page then confirm All the accumulated energy information will be cleared Warning No fire or smoking near the battery cabinet 2 Ensure adequate ventilation and cleanliness around the battery cabinet 3 Ensure the cable sizes meet the DESS requirements Otherwise it may lead to fire 22 Distributed Energy Storage System DESS Connection Topology Grid Input Isolator DESS AC S
8. AC energy to provide for the load and supplement the PV grid tied inverter When the battery capacity is full and there is still excess PV energy generated the system will disconnect the PV grid tied inverter until the battery capacity decreases to 80 then the system will re establish the connection gt Charge Start Time Represents the beginning time of the system on grid charging The charge start time is set via 24 hour clock and it determines the starting point of system charging the default time is 01 00 gt Charge End Time Represents the end time of system on grid charging The charge end time is set via 24 hour clock and it determines the end point of system charging the default time is 07 00 gt Discharge Start Time Represents the beginning time of system on grid discharging with a 24 hour time clock and it determines the starting point of system discharging the default time is 07 01 gt Discharge End Time It represents the end time of system on grid discharging with a 24 hour time clock and it determines the end point of system discharging the default time is 00 59 NOTE The time settings of forced charge discharge shall cover the whole day with 24hr period If a time period is not in the range of forced discharge time or forced charge time the system will not charge or discharge except the protective charge After all the parameters have been setup select the Set button and then the related working
9. Energy Storage System Build Your Dreams Circuit breakers Bypass rotary switch Fig 3 2 Rotary switch on left side of the cabinet AC BIG SI AC SI AC SI DISCONNECT BYPASS DISCONNECT GRID AC OUTPUT AC OUTPUT AC INPUT DISCONNECT DISCONNECT BYPASS DISCONNECT bneider bneider bneider bneider iC65N DSOA iC65N D50A iC65N D 50A iC65N D SOA Fig 3 3 Circuit breakers on left side of the cabinet Distributed Energy Storage System Build Your Dreams 3 1 System Startup Close the isolation fuse QF inside the cabinet and switch on MCB 1 2 1 Ifthere is grid power available close the circuit breaker GRID DISCONNECT and AC INPUT DISCONNECT 2 If there is no grid power press SBT button for 5 seconds and check whether the HMI on the door starts up normally Wait for 5 seconds after hearing two successive sounds pal this suggests the BMS has started in normal condition 3 Close the circuit breakers on left side of cabinet according to the connected equipment as shown below Table 3 1 Function and related circuit breakers Big solar inverter lt 10kw Switch on GRID DISCONNECT and AC BIG SI DISCONNECT Big load lt 15kw Switch on GRID DISCONNECT Small load lt 3kw Switch on AC OUTPUT DISCONNECT Switch on GRID DISCONNECT AC INPUT DISCONNECT and AC SI DISCONNECT Small solar inverter lt 3kw DESS to the mains grid Switch on GRID DISC
10. I L1 N E PE Big Load N PE AC OUTPUT L N PE Build Your Dreams Solar Inverter Solar w Inverter Non Essential Load lt 5kw Essential Load lt 3kw NOTE Circuit protection devices and ratings not shown All cabling and protection must meet the appropriate standards 23 Distributed Energy Storage System DESS Specifications Build Your Dreams Product Type DESS BO8P03A A Continuous Power Rating AC Parameters Nominal AC Voltage Max Output Current Nominal AC Frequency THD Off grid AC Transfer Switch Speed Max Invert Efficiency Reference Standards Output Waveform DC Parameters Nominal Battery Voltage Operating Range 3KW 240Vac 13 1A ac 50Hz lt 4 lt 2 lt 20ms 93 7 AS4777 AS3100 IEC62040 True Sine Wave 51 2V 44 8 57 6VDC System Parameters Battery Type Rated Storage Capacity Exterior Communication Operating Temperature Operating Humidity Elevation Installation Enclosure Rating Size W x D x H Weight 24 LiFePO 10KWh Ethernet 0C 45C 10 90 lt 2000m Indoor IP20 650mmx610mmx1540mm 250KG aad Oe iaai AA o0 e j o am Electrified Trans Build Your Dreams User Manual for DESS B08P03A A October 2013 Designed by BYD Electric Power Research Institute BYD Co Ltd
11. ONNECT and AC INPUT DISCONNECT NOTE 1 If the DESS does not startup normally after following the system startup procedure please check whether all fuses are secure and intact and the communication line is connected well If the fault cannot be found or solved please contact your local agent or BYD Company Limited 2 If the DESS startup normally but stops working shortly thereafter that check the external input load power is appropriately rated Also check for possible short circuits and ensure there is adequate battery capacity remaining If the fault cannot be found or solved please contact your local agent or BYD Company Limited Distributed Energy Storage System Build Your Dreams 3 2 System Shutdown 1 Switch off GRID DISCONNECT AC INPUT DISCONNECT AC SI DISCONNECT AC BIG SI DISCONNECT if available AC OUTPUT DISCONNECT in sequence 2 Switch off MCB 1 and isolation fuse QF 3 3 Selecting the Bypass Function BYD DESS is designed with a bypass function This function is designed to ensure that in the unlikely event of a fault with the DESS that the unit can be bypassed It also allows system maintenance to be conducted while still supplying essential house loads 1 Switch on the GRID DISCONNECT AC SI BYPASS and AC OUTPUT BYPASS 2 Rotate the bypass switch to Bypass position 4 Language and Date Settings Select the Setting button of the co
12. ailed Setup for Maximum Storing Energy Mode cccccsccccssececesscecceseeeeeeceseuecessenees 14 5 3 Detailed Setup for Load Shifting Mode ceeccccssecccessecceeseceeeececeesceeeeseeeseaeceseuecessenees 16 5 4 Detailed Setup for Tariff ManageMent ccccssccccssecccssscceeeseceeesececeusceseeneceseaecessuecesseaees 18 6 Ma intenant ee nn nn ee eee 21 DESS Connection Topology risissvscasiresresarnranassennesauaseaiiarannsersennesaaesnteaseaaniatsaanavereresnnans 23 DESS SPec ICOON orra E E A OAE EA E OE E 24 Distributed Energy Storage System Build Your Dreams 1 Brief Introduction The distributed energy storage system DESS is designed and developed by BYD Auto Industry Company Limited and can be widely used in residential and commercial applications DESS is a power supply device with multiple working modes It can operate in different working modes to suit a range of requirements In this way the system provides the user with a flexible energy storage system This manual outlines the specifications operation and installation of DESS BO8P03A A 2 Installation Before installation please check whether the cabinet and components inside the cabinet are completed and have not been damaged in transit If you have any questions please contact your local agent or the supplier BYD Auto Industry Company Limited NOTE During the installation and operation process it is forbidden for installer customer to change t
13. e battery capacity is lower than the min SOC that the system reserves the system will stop discharging on grid GMLP Grid tie Match Load Priority Matching the local load priority When the battery is not fully charged and the battery capacity is higher than the least SOC if the system is in the discharging period the system will be in on grid discharging mode and the discharged power is equal to the local load power under the premise that the power of the local load is no more than the nominal power when the battery capacity is full and there is still excess energy if the system is in the discharging period the system will be in on grid discharging mode and the discharged power is the maximum value 16 Distributed Energy Storage System Build Your Dreams GMLO Grid tie Match Load Only Matching the local load only When the battery capacity is not full and higher than the min SOC if the AC energy generated by the PV grid tied inverter is higher than the power needed by the local loads and the system is in the discharging period then the power that the local load needs is provided by the PV grid tied inverter and the excess PV energy shall be converted into DC power to charge the battery bank under the premise that the power of the local load is no more than the nominal power if the AC energy generated by the PV grid tied inverter is lower than the power needed by the local loads the inverter shall convert the battery power into
14. eft when the grid is in normal operation to provide off grid backup power supply when the grid is off or in failure The default value is 30 Set range 20 90 NOTE As there will be a little error for the SOC calculation if this value is set too low when the grid is off or in failure it may result in a shorter off grid working time for the system After all the parameters have been setup select the Set button and then the related working mode will be effective 5 2 Detailed Setup for Maximum Storing Energy Mode Max Storing Energy In the Max Storing Energy working mode the DESS is setup to ensure the battery bank remains at a high SOC similar to a UPS so there is always a large energy storage reserve available to cover extended blackout periods Select Max Storing Energy to enter into the detailed setup interface of maximum storin energy mode Max Storing Energy Set m Exit Init Fig 5 3 Setup interface of maximum storing energy mode 14 Distributed Energy Storage System Build Your Dreams In the working mode of maximum storing energy there is one parameter which can be modified by the user gt PV BATT Use Mode Determines the usage type of batteries or PV energy and there are three available parameters the default is GSO with the explanation shown below GSO Maximum discharging power only on grid When the battery capacity is full higher than the maximum value
15. fer for use in a blackout should this occur after the discharge periods This would require the customer to use the OFF PEAK time to supply 2kWh neglecting efficiencies each day Once the desired OFF PEAK charging time is set the Max SOC would be set at 50 5kWh This would allow the PV to supply the remaining energy to fully recharge during the daytime The Min SOC would be set at 30 to ensure there was still sufficient backup power for an outage NOTE The Max SOC only controls the recharging level from the grid Excess PV energy will always be used to recharge the batteries until they are fully charged The PV system s excess energy is also unaffected by the set charge and discharge time periods 18 Distributed Energy Storage System Build Your Dreams Select Tariff Management to enter into the detailed setup interface of Tariff Management mode See Fig 5 5 and Fig 5 6 Set Parameter 13 0 A Charge Start Time 1 95 Of Charge End Time 1 Charge Start Time 2 Charge End Time 2 Charge Start Time 3 Charge End Time 3 Parameter A Discharge Start Time 1 04 Discharge End Time 1 Discharge Start Time 2 Discharge End Time 2 Discharge Start Time 3 Discharge End Time 3 Fig 5 6 Setup interface 2 of tariff management mode In the working mode of tariff management the following parameters can be modified by the user gt Max on grid charge current Represents the maximum battery charging current
16. from the grid gt System Max SOC Represents the battery charging stop point from the grid during the system charging period gt Charge Start Time1 Represents the starting time point of battery charging from grid in the system charging period 1 19 gt Distributed Energy Storage System Build Your Dreams Charge End Time1 Represents the end time point of battery charging from grid in the system charging period 1 Charge Start Time2 Represents the starting time point of battery charging from grid in the system charging period 2 Charge End Time2 Represents the end time point of battery charging from grid in the system charging period 2 Charge Start Time3 Represents the starting time point of battery charging from grid in the system charging period 3 Charge End Time3 Represents the end time point of battery charging from grid in the system charging period 3 Max Grid tie Dis Current Represents the maximum battery discharging current to loads System Min SOC Represents the battery discharging stop point to load during the system discharging period Discharge Start Time1 Represents the starting time point of battery discharging to load in the system discharging period 1 Discharge End Time1 Represents the end time point of battery discharging to load in the system discharging period 1 Discharge Start Time2 Represents the starting time point of battery discharging to load in the system discharging period 2 Di
17. he default settings and internal wiring of the DESS the doing so will void the warranty If there are any special requirements needed please contact your local dealer for support 2 1 Component List After unpacking the system please refer to the following table to check whether the components are complete and free from damage Table 2 1 System Component List System Component System Cabinet incl 4 battery modules 1BMS 1 Touch Screen 1 inverter etc 1 PCS FAT Report 1 PCS Distributed Energy Storage System Build Your Dreams Fig 2 1 System cabinet 2 2 Recommended Cable Sizes The electrical connection of the single phase AC bus DESS BO8P0O3A A should be completed using the following cable size as a guide shown in Table2 2 The length of cables shall be determined based on the actual installation location and load requirements Warning A Please use the cable sizes recommended by BYD As a guide only DC AC cables shall follow the local electrical standards Table 2 2 Cable Specification Recommended Cable Specification Recommended gt 16mm2 L1 L2 L3 amp N gt 6mm2 L1 L2 L3 amp N gt 16mm2 L amp N gt 6mmz2 L amp N Distributed Energy Storage System Build Your Dreams 2 3 Installation Placement The DESS cabinet shall be placed on a level surface and vertically installed The correct placement of the system cabinet ensures the reliability and safety of the batteries The DESS
18. m NV VF AA System Battery PV Inverter Querying Setting Fig 5 1 Main interface of advanced settings Depending on the user s power requirement there are four different working modes that are available Select the desired system mode to enter into the detailed setup interface The arrow shows the current working mode 5 1 Detailed Setup for Matching Load Working Mode Matching Load In the Matching Load working mode the loads are always given priority and the DESS will always endeavor to use the PV and battery power to supply the loads Select Matching Load to enter into the detailed setup interface of matching load see Fig 5 2 for setup parameters 12 Distributed Energy Storage System Build Your Dreams Matching Load Set Exit Init Fig 5 2 Setup interface of matching load mode In the working mode of matching load there are two parameters which can be modified by the user gt PV BATT Use Mode Determines the usage type of batteries or PV energy and there are two available parameters the default is GMLP with the explanation as follows GMLP Grid tie Match Load Priority Matching the local load priority When the battery is not fully charged and the battery capacity is higher than the min SOC if the AC power generated by the PV inverter is higher than power needed for local loads then the power needed for local loads is fully provided by PV inverter The excess PV power
19. ntrol column on the touch screen to enter into the main interface of advanced settings as shown in Fig 4 1 gt r Max Storing Energy System setting maintenance Administrator A xe i Kassa Load Shifting amp Er Inverter Control Charger 1 ControlCharger 2 Control fHrariti Management ym 7 AY o O Y System Battery PV Inverter Querying Setting Help Fig 4 1 Main interface of advanced settings Distributed Energy Storage System Build Your Dreams Select the System setting icon on the main sub menu of advanced settings to enter into the system setting interface as shown in Fig 4 2 System setting Fig 4 2 System setting interface Select the Language icon on the System setting interface to enter into the system language setting interface as shown in Fig 4 3 RAZ English Deutsch Fig 4 3 Language setting interface Language available include Chinese English German after you have selected the language preferred the HMI will restart to load in the language chosen Distributed Energy Storage System Build Your Dreams NOTE Select the language setting shortcut button on the top left of the main page to enter the language setting page Hi PV Language setting shortcut button Total E 0 0kwh Total E out 0 1kwh P ow Total E in 3 5kwh P 5512W Battery Load Group Total E 1 8kwh I 191 90A P 3505W ae P
20. scharge End Time2 Represents the end time point of battery discharging to load in the system discharging period 2 Discharge Start Time3 Represents the starting time point of battery discharging to load in the system discharging period 3 Discharge End Time3 Represents the end time point of battery discharging to load in the system discharging period 3 After all the parameters have been setup select the Set button and then the related working mode will be effective 20 Distributed Energy Storage System Build Your Dreams 6 Maintenance To ensure the successful and safe operation of the DESS please follow the below information to maintain the DESS NOTE Maintenance must be performed by a suitably qualified and licensed person 1 Regulars check the cabling of the DESS especially the fans input output terminal and grounding wires Any loose or disconnected cables need to be tightened reconnected after the system has been safety shut down 2 Regulars check whether there is vibration abnormal noise or smell 3 Regulars check whether there is dust or dirt accumulating on or around the DESS Clean filters and dust if required 4 Regulars check whether there is damage to cabling If any damage is found replaced cables as required 5 Any abnormal operation or other faults should be reported to your supplier 6 If the system is likely shutdown or inactive for long time 50 battery capacity should be ensured before
21. the system will discharge power on grid at the maximum power When the battery capacity is lower than the min SOC that the system reserves the system will stop discharging on grid GMLP Grid tie Match Load Priority Matching the local load priority When the battery is not fully charged and the battery capacity is higher than the min SOC if the AC power generated by the PV inverter is higher than power needed for local loads then the power needed for local loads is fully provided by PV inverter The excess PV power will be converted into DC power by the inverter to charge the battery bank providing the excess PV power is less than the nominal power of inverter If the AC power generated by the PV inverter is less than the power needed for the local loads the extra power required for the local loads is provided by the inverter converting the battery power into AC power When the battery capacity is full and the PV inverter still generates power the excess power generated by the PV inverter will be delivered to the grid GMLO Grid tie Match Load Only Matching the local load only When the battery capacity is not full and higher than the min SOC if the AC energy generated by the PV grid tied inverter is higher the power needed by the local loads then the power needed by the local loads is provided by the PV grid tied inverter and the excess PV energy is converted into DC power to charge the battery bank if the AC energy generated by the
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