The G-BS (Gateway Battery System) for Energy Storage Systems (ESS) serves as a critical interface between the Battery Management System (BMS) and the Energy Management System (EMS). It facilitates seamless communication and data exchange, ensuring optimal performance and safety of the ESS. Key functions include:
| Battery cell type | Cell voltage | Cell temperature | Cell equalization | ||
| Range | 0~5V | Range | -40~125°C | ||
| Resolution | 1mv | Resolution | 0.1°C | ||
| Accuracy | ≤5mv | Accuracy | |||
| Cycle | 100ms | Cycle | 200ms | ||
| Channel | 4~24 strings | Channel | 0~12 | ||
| Battery pack type | Total voltage | Total current | Insulation monitoring | SOC | SOH |
| Range | 0~1500V | Range | -500~500A | Range | 0~50mΩ |
| Resolution | 0.1V | Resolution | 0.1A | Resolution | 0.1KΩ |
| Accuracy | <1000V (1%FS), ≥1000V (0.5%) | Accuracy | <1%FS | Accuracy | |
| Cycle | 100ms | Cycle | 50ms | Cycle | 8S |
| Channel | Total positive/precharge | Channel | Large/small range/CAN | Channel | Total positive/total negative to pack case |
| Communication type | Ethernet | RS485 | RS232 | CAN | |
| Channel Qty | 3-channel | Channel Qty | 4-channel | Channel Qty | |
| Communication rate | 10M/100M | Communication rate | 9600bps | Communication rate | |
| Electrical isolation | 3820Vdc | Electrical isolation | 3820Vdc | Electrical isolation | |
| Support protocol | Modbus | Support protocol | Modbus | Support protocol | |
