The invention discloses a power battery under-voltage early warning processing method, device and equipment and a storage medium, and the method comprises the steps: after the power battery under-voltage early warning is triggered, determining the under-voltage early warning of the power battery based on the current voltage values of all battery cells of the power battery, the current current value of the power battery, and the number of battery cell strings of the power battery; determining first power of the power battery; determining second power of the power battery based on the current charge state value and the current temperature value of the power battery; determining the smaller power value in the first power and the second power as the maximum discharge power allowed by the power battery; and limiting the output power within the range of the maximum discharge power so as to prevent the occurrence of an undervoltage fault of the power battery.
本申请公开了一种动力电池欠压预警的处理方法、装置、设备及存储介质,其中,所述方法包括:在动力电池欠压预警触发后,基于所述动力电池的所有电芯当前电压值、所述动力电池当前电流值,以及所述动力电池的电芯串数,确定所述动力电池的第一功率;基于所述动力电池的当前荷电状态值和当前温度值,确定所述动力电池的第二功率;将所述第一功率和所述第二功率中较小的功率值,确定为所述动力电池允许的最大放电功率;将输出的功率限制在所述最大放电功率的范围内,以防止所述动力电池的欠压故障的发生。
Power battery under-voltage early warning processing method and device, equipment and storage medium
动力电池欠压预警的处理方法、装置、设备及存储介质
2024-04-05
Patent
Elektronische Ressource
Chinesisch
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