The invention discloses a direct current charging system which comprises N high-voltage direct-current power transmission modules, a central control unit, power distribution units, a charging interface control unit, a backboard and a charging gun. Each power distribution unit is connected with the output ends of the M high-voltage direct-current power transmission modules through the backboard; M and N are positive integers, and M is less than N; the charging interface control unit is used for carrying out charging information interaction with an electric vehicle and sending a power request to the central control unit; the central control unit is used for distributing the high-voltage direct-current power transmission modules to the power distribution units according to the power request and controlling the output voltage and the output current of the high-voltage direct-current power transmission modules; and the power distribution units are used for charging the electric vehicle through the charging gun. The direct current charging system is flexible in configuration and convenient to expand, adopts a modular design, and is convenient to maintain due to the fact that the components are mutually independent.

    本申请公开了一种直流充电系统,包括:N个高压直流输电模块、中央控制单元、功率分配单元、充电接口控制单元、背板以及充电枪;每个功率分配单元通过背板与M个高压直流输电模块的输出端相连;M与N均为正整数,且M


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    Title :

    Direct current charging system


    Additional title:

    一种直流充电系统


    Contributors:
    QIU PENG (author) / WANG HUI (author) / RU YONGGANG (author) / WEI JIANRONG (author)

    Publication date :

    2021-06-25


    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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