Energy storage system SOC online correction system
The present invention provides an energy storage system SOC online correction system which comprises an energy storage system, a DC voltage detector, a voltage jump judgment module, a correction calculation module, and an SOC online correction module. The energy storage system includes a plurality o...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The present invention provides an energy storage system SOC online correction system which comprises an energy storage system, a DC voltage detector, a voltage jump judgment module, a correction calculation module, and an SOC online correction module. The energy storage system includes a plurality of batteries. The DC voltage detector is arranged at an output end of the energy storage system and is used for obtaining DC side voltage of the energy storage system batteries. The voltage jump judgment module is provided with a voltage change rate threshold. When the DC side voltage exceeds the voltage change rate threshold, the SOC online correction module is started. The correction calculation module is used for obtaining a correction amount of an energy storage system SOC according to a DC side voltage change rate and an energy storage system power output value. The SOC online correction module corrects the SOC of the energy storage system based on the calculated correction amount. The system is suitable for an |
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