Event E063
Qualified person
Event message:
Excessive Inter-Group Voltage Difference
Explanation:
The system has detected a discrepancy in the overall voltage between the battery modules, with the voltage difference between the module with the highest and the module with the lowest voltage exceeding the permissible range.
Corrective measures:
During grid-linked charging and discharging, the system automatically adjusts the current of each battery module to reduce voltage differences and achieve automatic balancing. If the voltage difference is too large and automatic compensation is ineffective, it is recommended, while ensuring safety, to perform individual low-power charging or discharging operations on the affected modules to quickly reduce the voltage difference.