The invention discloses a charging system compatible with a low-voltage direct-current charging pile, a control method and a vehicle. The charging system comprises a power module, a permanent magnet synchronous motor, a motor controller, a battery controller and a whole vehicle controller. The system further comprises a first switch module, a second switch module and a third switch module. The third switch module is used for being connected with a power battery; the input end of the first switch module is used for being connected with the high-voltage output end of a charging pile, and the output end of the first switch module is connected with the third switch module through a motor winding of the permanent magnet synchronous motor and the power module in sequence to form a direct-current boost loop. The input end of the second switch module is used for being connected with the high-voltage output end of the charging pile, and the output end of the second switch module is connected with the third switch module to form a direct-current charging loop; the first switch module, the second switch module and the third switch module are all connected to the motor controller and are all controlled by the motor controller. The system can be compatible with a low-voltage direct-current charging pile for charging.

    本发明公开了一种能兼容低电压直流充电桩的充电系统、控制方法及车辆,包括功率模块、永磁同步电机、电机控制器、电池控制器和整车控制器;还包括第一开关模块、第二开关模块和第三开关模块;所述第三开关模块用于与动力电池连接;所述第一开关模块的输入端用于与充电桩的高压输出端连接,该第一开关模块的输出端依次经永磁同步电机的电机绕组、功率模块与第三开关模块连接,以构成直流升压回路;所述第二开关模块的输入端用于与充电桩的高压输出端连接,所述第二开关模块的输出端与第三开关模块连接,以构成直流充电回路;第一开关模块、第二开关模块、第三开关模块均连接到电机控制器,均受电机控制器控制。本发明能够兼容低电压直流充电桩进行充电。


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    Title :

    Charging system compatible with low-voltage direct-current charging pile, control method and vehicle


    Additional title:

    能兼容低电压直流充电桩的充电系统、控制方法及车辆


    Contributors:
    CHEN PENG (author) / LIU LI (author) / CHEN JIAN (author) / CHEN YANG (author) / ZHANG ZHENG (author) / NIE DACHEN (author) / LIN YUTING (author)

    Publication date :

    2022-09-16


    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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