The invention discloses a power battery charging and discharging method based on equalization control and a related device, and the method comprises the steps: obtaining a battery SOC, a battery node real-time temperature and a battery real-time voltage of each group of battery packs in a power battery when a power battery management system receives a charging request or a discharging request of the power battery; obtaining a charging power limit value or a discharging power limit value corresponding to each battery pack; obtaining a charging power total limit value or a discharging power total limit value of the power battery; when charging operation or discharging operation is carried out, whether the real-time voltage of the battery is balanced or not is determined; and when the battery real-time voltage corresponding to each battery pack is unbalanced, determining the battery pack with the unbalanced battery real-time voltage, and carrying out equalization processing. In the embodiment of the invention, when charging or discharging is requested, the charging kilometer limit value or the discharging power limit value of the power battery is confirmed, and equalization processing is carried out in time when the real-time voltage of the battery of the battery pack is unbalanced, so that the safety of charging and discharging is ensured.
本发明公开了一种基于均衡控制的动力电池充放电方法及相关装置,其方法包括:动力电池管理系统在接收到动力电池的充电请求或放电请求时,获得动力电池中的各组电池组的电池SOC、电池节点实时温度以及电池实时电压;获得各组电池组对应的充电功率限值或放电功率限值;获得动力电池的充电功率总限值或放电功率总限值;进行充电作业或放电作业时,确定电池实时电压是否平衡;在各组电池组对应的电池实时电压不平衡时,确定电池实时电压不平衡的电池组,进行均衡处理。在本发明实施例中,实现在请求充电或放电时,确认动力电池的充电公里限值或放电功率限值,并且电池组的电池实时电压不均衡时及时进行均衡处理,保证充放电的安全。
Power battery charging and discharging method based on equalization control and related device
一种基于均衡控制的动力电池充放电方法及相关装置
2025-01-21
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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