The embodiment of the invention discloses an electric drive main power circuit applied to a new energy automobile and the new energy automobile, the electric drive main power circuit comprises a DC-to-DC module and a new energy automobile electric drive inverter, and the input side of the DC-to-DC module is connected with the output end of a new energy automobile power battery; the output side of the DC-to-DC module is connected with the input end of the new energy automobile electrically-driven inverter so that the output voltage of the new energy automobile power battery can be transmitted to the input side of the new energy automobile electrically-driven inverter through voltage reduction. A DC-to-DC module voltage reduction mode is added at the preceding stage of the electric drive inverter of the new energy automobile, and the input voltage of the electric drive inverter can be adjusted according to the actual working condition of the new energy automobile, so that the loss of the electric drive inverter and the overall efficiency of an automobile power control system are adjusted.

    本申请实施例公开了一种应用于新能源汽车的电驱主功率电路和新能源汽车,该电驱主功率电路包括直流转直流模块和新能源汽车电驱逆变器,直流转直流模块的输入侧连接新能源汽车动力电池的输出端,直流转直流模块的输出侧连接新能源汽车电驱逆变器的输入端,以将新能源汽车动力电池的输出电压通过降压传递给该新能源汽车电驱逆变器的输入侧。采用在新能源汽车电驱逆变器前级增加直流转直流模块降压的方式,可以实现根据新能源汽车的实际工况调整电驱逆变器的输入电压,从而实现调整电驱逆变器损耗及汽车动力控制系统整体的效率。


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    Title :

    Electric drive main power circuit applied to new energy automobile and new energy automobile


    Additional title:

    一种应用于新能源汽车的电驱主功率电路和新能源汽车


    Contributors:
    LI HELONG (author) / YU YUE (author) / YU ZIXIANG (author) / YANG ZHIQING (author) / ZHAO SHUANG (author) / DING LIJIAN (author)

    Publication date :

    2024-11-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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