The invention discloses a high-power direct-current charging pile system which comprises a power grid end, a charging output/discharging input end, a power grid circuit breaker, a power grid contactor, a power grid soft start contactor, an isolation transformer, a bidirectional AC/DC conversion module and a bidirectional DC/DC charging and discharging module, wherein the power grid circuit breaker, the power grid contactor, the power grid soft start contactor, the isolation transformer, the bidirectional AC/DC conversion module and the bidirectional DC/DC charging and discharging module are connected between the power grid end and the charging output/discharging input end. One end of the power grid circuit breaker is connected with the power grid end, and the other end of the power grid circuit breaker is connected to one end of the isolation transformer through a power grid contactor and a power grid soft start contactor which are connected in parallel; the other end of the isolation transformer is connected to the charging output/discharging input end through the bidirectional AC/DC conversion module and the bidirectional DC/DC direct current charging and discharging module; the power grid end is used for connecting a power grid, and the charging output/discharging input end is used for connecting a direct current gun to connect an electric vehicle.

    本发明公开了一种大功率直流充电桩系统,包括电网端、充电输出/放电输入端以及连接于所述电网端和充电输出/放电输入端之间的电网断路器、电网接触器、电网软启接触器、隔离变压器、双向AC/DC变换模块和双向DC/DC直流充放电模块;所述电网断路器的一端连接所述电网端,所述电网断路器的另一端通过并联的电网接触器和电网软启接触器连接到所述隔离变压器的一端,所述隔离变压器的另一端经过所述双向AC/DC变换模块和双向DC/DC直流充放电模块连接到所述充电输出/放电输入端;所述电网端用于连接电网,所述充电输出/放电输入端用于连接直流枪以连接电动汽车。


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    Title :

    High-power direct-current charging pile system


    Additional title:

    一种大功率直流充电桩系统


    Contributors:
    HE RONGQIAO (author) / PAN WENWU (author) / CHEN YU (author)

    Publication date :

    2024-01-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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