The invention discloses a power limiting method and device of a power battery and a storage medium. The method collects the real-time voltage of the power battery. Under the condition that the real-time voltage exceeds a voltage allowable interval, current limiting operation is conducted on the power battery, the upper limit of the voltage allowable interval is smaller than a high-voltage protection threshold value of the power battery, and the lower limit of the voltage allowable interval is larger than a low-voltage protection threshold value of the power battery. After the real-time voltage is recovered to the voltage recovery interval, the current limiting operation is stopped, the voltage recovery interval belongs to the voltage allowable interval, and the range is smaller than the range of the voltage allowable interval, power limiting of the power battery is achieved, on one hand, the voltage allowable interval is set, so that current limiting is conducted before a protection threshold value is reached, and the protection threshold value is not limited; and on the other hand, the voltage recovery interval smaller than the voltage allowable interval is set, so that normal control is recovered in time after the voltage falls back, the reliability of power limitation is improved, power jitter is reduced, and the driving experience is improved.
本发明公开了一种动力电池的功率限制方法、设备和存储介质。该方法采集动力电池的实时电压。在实时电压超出电压允许区间的情况下,对动力电池进行电流限制操作,其中,电压允许区间的上限小于动力电池的高压保护阈值,下限大于动力电池的低压保护阈值。在实时电压恢复至电压恢复区间后,停止电流限制操作,其中,电压恢复区间属于电压允许区间,且范围小于电压允许区间的范围,实现了对动力电池的功率限制,一方面设置电压允许区间,使得在达到保护阈值之前进行电流限制,电池电压得到回落,另一方面设置小于电压允许区间的电压恢复区间,使得电压回落后及时恢复正常控制,提高了功率限制的可靠性,减少功率抖动的发生,提高驾驶体验。
Power limiting method and equipment of power battery and storage medium
一种动力电池的功率限制方法、设备和存储介质
2024-11-15
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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