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3.4 B-Box H System Diagram

 

 

System Diagram   

3.5 BCU Introduction 

The battery management and control part, which contains BCU and charge-discharge relay, and connected 
to the battery modules underneath and to the inverter or BMU above. 

3.5.1 BCU interface introduction [Left side] 
 

 

 

 

Position

 

Designation

 

Left side terminals 

Ethernet 

 

CAN (Inverter) 

Grounded 

P- 

P+ 

Summary of Contents for B-Box H series

Page 1: ...B BOX H User Manual B Box H 6 4 11 5 User Manual Rev 1 0_Aug 2017 ...

Page 2: ...content of this Manual may be adjusted due to the update of product version or other reason only when it is notified by BYD Unless otherwise agreed this document is only used as the guidance for use and all statements information and suggestions in this document don t constitute any explicit or implied guarantee If you have any question please contact us through the after sales service website BYD...

Page 3: ...on List 8 3 4 B Box HV System Diagram 9 3 5 BCU Introduction 9 3 6 B Plus H Introduction 11 4 Electrical Properties of B Box HV System 12 5 Cleaning and Maintenance 14 5 1 Cleaning 14 5 2 Storage and Maintenance 14 6 Disposal of Special Situations 14 6 1 Maintenance of battery Over discharge 14 6 2 Force Majeure 14 7 Configuration List of B Box HV with Different Inverters 14 7 1 B Box HV Configura...

Page 4: ...guration list 1 4 B Box H series products Definitions B Box H High voltage household energy storage battery system B Plus H Battery module Battery module provides the energy and sends the information about the cell voltage and cell temperature in the battery module to the upper layer BCU The nominal capacity of battery is 1 28kwh BCU The battery management and control part which is connected to th...

Page 5: ...ding batteries switch off the battery system and power off the inverter To avoid danger DO NOT remove the BCU module when the system is in operation Maintenance must be carried out by qualified personnel Store according to requirements in user manual The number of stack up layers of the batteries with packaging during the transportation and storage shall not be more than seven B Box H can be used ...

Page 6: ...objects or human body All operations of B Box H relating to electrical connection must be carried out by qualified personnel only B Box H provides a safe source of electric energy when operated as designed Potentially hazardous circumstances such as excessive heat or electrolyte mist may occur under improper operating conditions damage misuse and abuse The following safety precautions and the warn...

Page 7: ...200 500V It is applied to the household energy storage field and works together with high voltage inverter to realize the energy storage and release Each set of battery of the system supports the serial connection of 5 9 battery modules and parallel connection of 2 5 sets of battery systems Product overview Major Components Outside View B Plus H BCU BASE ...

Page 8: ...or BMU above 3 Base The base of the whole system 4 BIC Battery detection unit which is used to detect the voltage temperature and other parameters of each cell in one battery module and realizes communication with BCU 5 B Box H The whole product containing 5 9 battery modules one BCU module a base and other accessories 3 3 B Box HV Configuration List No Name Configuration Energy kWh Voltage BCU B ...

Page 9: ...management and control part which contains BCU and charge discharge relay and connected to the battery modules underneath and to the inverter or BMU above 3 5 1 BCU interface introduction Left side Position Designation Left side terminals A Ethernet B CAN Inverter C Grounded D P E P ...

Page 10: ...egative terminal for battery 3 GND Grounding terminal connected to the ground 4 Ethernet Connected to the Ethernet to complete the functions of communication and remote program update 5 Inverter communication Containing RS485 CAN and enable signals outputting 13V power 6 System switch The main switch of system which can be operated manually and has the short circuit protection fun Position Designa...

Page 11: ...duct Model B Plus H Nominal voltage V 51 2 Capacity Ah 25 Stored energy kWh 1 28 Charge mode Constant voltage limited current Max charge current 1C Max discharge current Continuous at 1C Peak at 2C 5mins Operating temperature 10 50 Storage temperature 10 50 3 months SOC 20 60 10 30 12 months SOC 20 60 ...

Page 12: ...erature detection accuracy 2 7 Current detection accuracy 1 8 SOC calculation accuracy 5 9 SOH calculation accuracy 5 10 Balancing mode Passive balancing 11 Inverter interface CAN RS485 The communication line of battery and inverter POWER The power output wire 13V the maximum output power is 3W 12 IP rating IP55 13 Operating temperature 10 50 14 Storage humidity Less than or equal to 80 15 Storage...

Page 13: ... Greater than 50 0 b Normally the discharge limited current is determined by the ambient temperature No Temperature Current 1 Less than 20 0 2 20 40 2C if the actual discharge current is greater than 1 2C over 5min the discharge limited current will be renewed to 1C 2 hours later it will be recovered to 2C discharge limited current 3 40 50 0 5C 4 Greater than 50 0 ...

Page 14: ...perature Charging interval Months 25 18 35 12 45 6 6 Disposal of Special Situations 6 1 Maintenance of battery Over discharge If battery is over discharged or rainy days continue the battery may provide limited energy and the user shall pay attention to the battery s backup time 6 2 Force Majeure Disastrous accidents including thunder and lightning flood earthquake fire etc may bring about unpredi...

Page 15: ...ge is too low Normal alarm no further action required 5 Warning Battery Low Temp The cell temperature is too low Normal alarm no further action required 6 Alarm Battery Low Temp The cell temperature is too low Normal alarm no further action required 7 Warning Battery High Temp The cell temperature is too high Normal alarm no further action required 8 Alarm Battery High Temp The cell temperature is...

Page 16: ...V1 The cell voltage is too low Normal alarm no further action required 10 Cell_UV2 The cell voltage is too low Normal alarm no further action required 11 Cell_UV3 The cell voltage is too low Contact the Technical Support 12 Discharge_OT1 The cell temperature is too high Normal alarm no further action required 13 Discharge_OT2 The cell temperature is too high Normal alarm no further action required...

Page 17: ...ct the Technical Support 31 BatteryLock The cell voltage is too low Contact the Technical Support 32 ZeroResetErr Internal fault of battery system Contact the Technical Support 33 ZeroResetFault Internal fault of battery system Contact the Technical Support 34 BIC_AddrCalc Battery address matching Normal alarm no further action required 35 ChargeFault Internal fault of battery system Contact the T...

Page 18: ...he account number and password to log in ii LAN connection Connect the battery system and the computer in the same LAN through a router get the system s IP address on the router web page then enter the system s IP address or its host name e g BYD171708 00001 in the browser and enter the account number and password to log in iii Direct connection with network cable Directly connect the computer to ...

Page 19: ...Statistic Information on the left the user can view the total charging and discharging energy and the charging and discharging history Click the Current Alarm on the left the user can view the current alarm of the system ...

Page 20: ...k the History Alarm on the left the user can review the history alarm of the system Click the Run Data on the left the user can view the run data of the system including battery voltage current and temperature etc ...

Page 21: ...Page 21 Click the Set Password on the left the user can set the new password ...

Page 22: ...omer service Product type Serial Number Connected PV module type and number Option equipment Any problems please contact us by below address Contact us China BYD LITHIUM BATTERY Co LTD Customer Service Mailbox eubatterygrp byd com Telephone 86 0755 89888888 Address No 1 Baoping Road Baolong Industrial Town Longgang Shenzhen 518116 P R China Germany EFT Systems GmbH Customer Service Mailbox info ef...

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