BMS for ESS

The energy storage battery management system consists of battery pack management unit BMU module, battery cluster management unit RCU module, system management unit SCU module and system display management unit MM10 module. This lithium battery management system supports a maximum of 1500V energy storage system.



Features of BMS Battery for ESS



3 1 level structure

Online program upgrade

Support bidirectional IO ports to achieve automatic address coding

Multi-ports environment supervision devices data access



Function of bms ess



Battery information management

Cluster status monitoring

Cluster status analysis

Safety control and protection

Energy control management

Battery maintenance management

Communication port and protocol



Specification of BMS for ESS



BMU Module

Category Item Specification

Working environment Temperature Operating temperature?-20? 65°C Storage temperature?-40? 125°C

Working power Voltage/Power consumption Rated voltage?9?32Vdc?reverse connection protection? Rated power consumption: 120mW without load

Communication CAN Support 1-channel non-isolated CAN Communication rate: 250kbs

Collection Cell voltage collection Collection range: 0?5V Collection resolution: 1mV Collection accuracy:

10?t? 45 °C, the accuracy ?5mV;

-40?t?125°C, the accuracy ?8mV Collection rate?100ms Electrical isolation:

4149Vdc/2934Vac 8mm

Cell temperature collection Collection range:  -40? 125°C Collection resolution?

0.1°C Collection accuracy:

-20?t? 65°C, the accuracy?1°C;

-40?t? 125°C, the accuracy?2°C Collection rate?200ms

Cell equalization Cell equalization control Support 24-channel cell passive equalization Equalization resistance: 33? Equalization temperature rise??45°C



RCU Module

Category Item Specification

Working environment Temperature Operating temperature?-20? 65°C Storage temperature?-40? 125°C

Communication CAN/RS485 Support 1 isolated CAN and 1 non-isolated CAN 2 isolated RS485

Collection Total voltage

collection Collection range: 0?1500V Collection resolution: 0.1V Collection accuracy:

Total voltage1000V ?±1%FS

Total voltage ?1000V ?±0.5%FS Collection rate:

100ms Electrical isolation:

4149Vdc/2934Vac 8mm

Total current

collection Collection range: ±1200A Collection resolution: 0.1A Module circuit collection accuracy: ±1200A, accuracy ±1%FS Collection rate:

200ms

Insulation collection Collection range: 0?10M? Collection accuracy: accuracy?3% 500V?1500V, ?600K? Collection rate: 60s

adjust according to the Y capacitance value of the PCS device

Temperature collection Collection range: -40? 125°C Collection resolution: 1°C Collection accuracy:

-20? 65°C, accuracy?1°C;

-40? 125°C, accuracy?2°C Collection rate:

200ms

Monitoring capability 1 RCU module can max. manage 32 BMU modules



SCU Module

Category Item Specification

Working environment Temperature Operating temperature?

-20? 65°C Storage temperature?

-40? 125°C

Communication LAN communication Communication rate: 10M/100M Electrical isolation: 3000Vdc

CAN communication Communication rate: 250kbs Electrical isolation: 2500Vdc

RS485 communication Communication rate: 9600kbs Electrical isolation: 2500Vdc

RS232 communication Communication rate: 9600kbs Electrical isolation: 2500Vdc

Storage Data record On-board eMMC

storage space: 8G External expansion TF 

card storage space: 0?128G

Insulation Communication LAN?3000Vdc CAN/RS485/RS232?2500Vdc

Monitoring capability 1 SCU module can max. manage 30 RCU modules



MM10 Module

Category Item Specification

Working environment Temperature Operating temperature?

-10? 60°C Storage temperature?

-20? 70°C

Working power Voltage/Power consumption Rated voltage?9?30Vdc Rated power

consumption?10W

Communication LAN 1 isolated LAN Communication rate?

10M/100M

Basic parameter micro USB port Support 1-channel micro USB for system

programming and ADB debugging

Screen 10.1 inch display Capacitive touch screen

Storage Data record eMMC storage space?8G TF card storage space?

0?128G

Hardware parameter CPU processor RK3288/4 core frequency 1.6GHz

Run system Android 7.1

GPU ARM Mail-T764



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