The embodiment of the invention discloses a vehicle-mounted charging and discharging device, a charging and discharging system thereof and a new energy vehicle, which are used for realizing high-power charging. The vehicle-mounted charging device includes an alternating current (AC)/direct current (DC) conversion circuit, a power factor correction (PFC) circuit, and a direct current (DC)/direct current (DC) conversion circuit; the alternating current end of the AC/DC conversion circuit is connected with the alternating current end of the PFC circuit; the AC/DC conversion circuit is used for receiving the first AC voltage through the AC end of the AC/DC conversion circuit and converting a first component of the first AC voltage into a first DC voltage; the PFC circuit is used for converting a second component of the first alternating-current voltage into a second direct-current voltage; and the DC/DC conversion circuit is used for converting the first direct-current voltage and the second direct-current voltage into third direct-current voltage and outputting the third direct-current voltage to charged equipment.

    本申请实施例公开了一种车载充、放电装置及其充放电系统和新能源汽车,用以实现大功率充电。其中,车载充电装置包括:交流(AC)/直流(DC)转换电路、功率因数校正(PFC)电路和直流(DC)/直流(DC)转换电路;AC/DC转换电路的交流端与PFC电路的交流端连接;AC/DC转换电路,用于通过AC/DC转换电路的交流端接收第一交流电压,并将第一交流电压的第一分量转换为第一直流电压;PFC电路,用于将第一交流电压的第二分量转换为第二直流电压;DC/DC转换电路,用于将第一直流电压和第二直流电压转换为第三直流电压并输出给被充电设备。


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    Title :

    Vehicle-mounted charging and discharging device, charging and discharging system thereof and new energy vehicle


    Additional title:

    一种车载充、放电装置及其充放电系统和新能源汽车


    Contributors:
    FU DIANBO (author) / LIU WEIPING (author) / WANG SHAOHUA (author)

    Publication date :

    2023-11-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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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