The invention relates to the technical field of automobile power batteries, and discloses a self-heating method for a power battery of an electric vehicle. The self-heating method comprises the steps that under the condition that the bus current of a power battery reaches the maximum value, the current heating frequency of an electric drive system of the electric vehicle is determined to be the optimal heating frequency; and self-heating the power battery based on the bus current and the optimal heating frequency. According to the self-heating method for the power battery of the electric vehicle, the obtained heating frequency is high in accuracy, and the method is simple and efficient.

    本申请涉及汽车动力电池技术领域,公开了一种电动车的动力电池的自加热方法。自加热方法包括:在动力电池的母线电流达到最大值的情况下,确定电动车的电驱动系统的当前加热频率为最佳加热频率;基于母线电流和最佳加热频率对动力电池进行自加热。本申请提供的一种电动车的动力电池的自加热方法,获取的加热频率精确性高,简单高效。


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    Title :

    Self-heating method of power battery of electric vehicle


    Additional title:

    一种电动车的动力电池的自加热方法


    Contributors:
    WANG HONGTAO (author) / LUO JIANWU (author) / ZHANG JIN (author) / XING JUNYA (author) / PENG YANGMING (author)

    Publication date :

    2022-09-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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