The invention provides a method for pulse heating of a power battery of an electric automobile and the electric automobile, a power assembly comprises a first power circuit and a second power circuit, the method is used for controlling the second power circuit or a motor power circuit to generate pulse alternating current on a direct current bus, and the pulse alternating current is used for heating the power battery. By adjusting the phase value of the pulse alternating current output by at least one of the first power circuit and the second power circuit, the phase difference of the pulse alternating current generated by the first power circuit and the second power circuit is reduced, so that the heating efficiency of the power battery is improved.

    本申请提供一种用于脉冲加热电动汽车的动力电池的方法及电动汽车,动力总成包括第一功率电路和第二功率电路,该方法用于控制第二功率电路或电机功率电路在直流母线上产生脉冲交流电,脉冲交流电用于加热动力电池。通过调整第一功率电路以及第二功率电路中的至少一个功率电路输出的脉冲交流电的相位值,从而降低第一功率电路与第二功率电路产生的脉冲交流电的相位差,以提高动力电池的加热效率。


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    Title :

    Method for pulse heating of power battery of electric automobile and electric automobile


    Additional title:

    一种用于脉冲加热电动汽车的动力电池的方法及电动汽车


    Contributors:
    XU YANKUN (author) / CAO SEN (author) / CHENG YANG (author)

    Publication date :

    2024-02-09


    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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