The invention discloses an electric vehicle double-battery integrated charging topology circuit and an interleaving control strategy method thereof, and the circuit is switched among a driving mode, a single-battery charging mode and a double-battery charging mode through a switching module, and the switching module is reconstructed into a bridgeless PFC rectifier and a parallel Buck converter. The open-winding permanent magnet motor is respectively multiplexed as two sets of filter inductors, the charging function of two batteries with different voltage levels is realized, the problem of electromagnetic torque generated by multiplexing the winding of the open-winding permanent magnet motor as the filter inductor is suppressed through current interlaced control of the bridgeless PFC rectifier, and the problem of electromagnetic torque generated by multiplexing the winding of the open-winding permanent magnet motor as the filter inductor is solved through an interlaced control strategy method. The electromagnetic torque ripple of the open-winding permanent magnet motor in the charging process is effectively eliminated, and the charging efficiency and performance are improved.

    本发明公开了一种电动汽车双电池集成化充电拓扑电路及其交错控制策略方法,通过切换模块实现电路在驱动模式、单电池充电模式、双电池充电模式间进行切换,同时切换模块重构为无桥PFC整流器和并联型Buck变换器,开绕组永磁电机分别复用为两套滤波电感,实现对两个不同电压等级的电池充电功能,且通过对无桥PFC整流器的电流交错控制,复用开绕组永磁电机的绕组作为滤波电感而产生的电磁转矩问题得到抑制,通过交错控制策略方法,有效消除了充电过程中开绕组永磁电机的电磁转矩脉动,提高充电效率和性能。


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    Title :

    Double-battery integrated charging topology circuit of electric vehicle and interleaving control strategy method of double-battery integrated charging topology circuit


    Additional title:

    一种电动汽车双电池集成化充电拓扑电路及其交错控制策略方法


    Contributors:
    WANG YIWEI (author) / WEI JIADAN (author) / ZHANG JIATE (author) / GUO LEI (author) / ZHOU BO (author) / YANG MING (author)

    Publication date :

    2022-05-06


    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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