The invention provides an internal electric double-source power concentrated motor train unit traction circuit and a corresponding motor train unit, and the traction circuit comprises a pre-charging circuit, a three-level four-quadrant rectification circuit, an intermediate DC circuit, a three-level inversion chopper circuit and a main generator power supply circuit, the input side of the pre-charging circuit is connected with a traction transformer secondary winding of the motor train unit, and the output side of the pre-charging circuit is connected with the input side of the three-level four-quadrant rectifying circuit. The input side of the intermediate direct-current circuit is connected with the output side of the three-level four-quadrant rectifying circuit, the output side of the intermediate direct-current circuit is connected with the input side of the three-level inverter chopper circuit, and the output side of the three-level inverter chopper circuit is connected with the traction motor; the output side of the main generator power supply circuit is connected with the input side of the intermediate DC circuit. The traction circuit supplies power to the traction motor in an internal combustion mode and an electric power mode simultaneously. And an internal electric hybrid traction function is realized, an uninterrupted power supply is provided for a train through a neutral section, and the lightweight of the traction system is realized.

    本公开提供了一种内电双源动力集中动车组牵引电路及相应的动车组,牵引电路包括:预充电电路、三电平四象限整流电路、中间直流电路、三电平逆变斩波电路、主发电机供电电路,其中,预充电电路的输入侧与动车组的牵引变压器次边绕组连接,输出侧与三电平四象限整流电路的输入侧连接;中间直流电路的输入侧与三电平四象限整流电路的输出侧连接,输出侧与三电平逆变斩波电路的输入侧连接,三电平逆变斩波电路的输出侧与牵引电机连接;主发电机供电电路的输出侧与中间直流电路的输入侧连接;牵引电路采用内燃模式和电力模式同时为牵引电机供电。实现内电混合牵引功能,过分相区为列车提供不间断供电电源,实现了牵引系统轻量化。


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    Title :

    Internal electric double-source power concentrated motor train unit traction circuit and corresponding motor train unit


    Additional title:

    内电双源动力集中动车组牵引电路及相应的动车组


    Contributors:
    LIU SIJIA (author) / TIAN GUANGXING (author) / ZHANG YANMIN (author) / WANG YAO (author) / LIN MIN (author) / WEN JIBIN (author) / XUE QIAN (author) / CAO XIN (author) / LIU MENGQI (author) / DING YIHENG (author)

    Publication date :

    2023-03-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B61C Lokomotiven , LOCOMOTIVES / 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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