The invention discloses a high-power electric vehicle charging system. The system comprises a master charger module, at least one slave charger module and a battery pack, the main charger module comprises an EMI filtering protection circuit, an AC/DC rectification circuit connected to the output end of the EMI filtering protection circuit, and a main charging DC output protection circuit connected to the output end of the AC/DC rectification circuit. The slave charger module comprises a DC input protection circuit connected to the main charging DC output protection circuit, a DC/AC rectification circuit connected to the DC input protection circuit, an AC/AC transformation circuit connected to the DC/AC rectification circuit, and a slave charging DC output protection circuit connected to the AC/AC transformation circuit. And the AC/DC rectifying circuit is matched with the DC/AC rectifying circuit and the AC/AC transformation circuit to carry out circuit current and voltage regulation, and then the battery pack is charged. According to the invention, by adopting the charger with a master-slave structure, large-current rapid charging is realized, and the charger is compatible with a national standard charging pile.

    本发明公开了一种大功率电动车辆充电系统,系统包括主充电机模块、至少一个从充电机模块,以及电池组;主充电机模块包括EMI滤波保护电路、连接于EMI滤波保护电路输出端的AC/DC整流电路,以及连接于AC/DC整流电路输出端的主充直流输出保护电路;从充电机模块包括连接于主充直流输出保护电路的直流输入保护电路、连接于直流输入保护电路的DC/AC整流电路、连接于DC/AC整流电路的AC/AC变压电路,以及连接于AC/AC变压电路的从充直流输出保护电路;AC/DC整流电路配合DC/AC整流电路和AC/AC变压电路进行电路电流和电压调节后,对电池组进行充电。本发明通过采用主从结构的充电机,实现了大电流快速充电,并且能兼容国标充电桩。


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    Title :

    High-power electric vehicle charging system


    Additional title:

    一种大功率电动车辆充电系统


    Contributors:
    LIU WENGUANG (author) / LIU FENG (author) / JIANG SHAN (author) / GU SHANGXIAN (author)

    Publication date :

    2024-04-19


    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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