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: 33Ω | 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 voltage<1000V (≤±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: 0～10MΩ | Collection accuracy: accuracy≤3% (500V～1500V, ≥600KΩ) | 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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