The invention provides an auxiliary module, a charging assembly, a control method and an electric vehicle, and relates to the technical field of power electronics. The auxiliary module comprises a first input end, a second input end, a filter, a capacitor, a first controllable switch, a second controllable switch, a third controllable switch, a first output end, a second output end and a controller; the first output end is connected with one of the motor neutral point and the direct current input end of the inverter circuit of the motor controller, and the second output end is connected with the other one of the motor neutral point and the direct current input end of the inverter circuit of the motor controller; the controller is connected with the first controllable switch, the second controllable switch, the third controllable switch and the inverter circuit and used for controlling the first controllable switch, the second controllable switch, the third controllable switch and the inverter circuit. According to the auxiliary module, the multiplex motor and the inverter circuit, the functions of a Boost circuit and a Buck circuit are achieved, the electromagnetic compatibility is improved, and the electric energy transmission efficiency is improved.

    本公开提供了一种辅助模块、充电总成、控制方法及电动车辆,涉及电力电子技术领域。辅助模块包括:第一输入端、第二输入端、滤波器、电容器、第一可控开关、第二可控开关、第三可控开关、第一输出端、第二输出端和控制器;第一输出端与电机中性点和电机控制器的逆变电路的直流输入端中的之一连接,第二输出端与电机中性点和电机控制器的逆变电路的直流输入端中的另一个连接;控制器分别与第一可控开关、第二可控开关、第三可控开关和逆变电路连接,用于控制第一可控开关、第二可控开关、第三可控开关和逆变电路。本公开的辅助模块,复用电机和逆变电路,实现Boost电路和Buck电路的功能,提高电磁兼容性能,提高电能传输效率。


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    Titel :

    Auxiliary module, charging assembly, control method and electric vehicle


    Weitere Titelangaben:

    辅助模块、充电总成、控制方法及电动车辆


    Beteiligte:
    LUO WENHUI (Autor:in)

    Erscheinungsdatum :

    2022-04-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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