The invention provides a CRH(China Railway High-speed) train traction transmission power supply system which comprises an alternating current-direct current-alternating current traction converter which comprises a single-phase alternating current input port and a three-phase alternating current output port. Wherein a first end of the single-phase alternating current input port is used for being incontact with an overhead line system powered by low-voltage single-phase alternating current through a first conducting circuit to receive power, a second end of the single-phase alternating currentinput port is used for being in contact with a steel rail through a second conducting circuit, and the three-phase alternating current output port is used for being connected with a traction motor. And a vehicle-mounted traction transformer is not arranged between the first end of the single-phase alternating current input port and the overhead line system. The self-weight of the train can be effectively reduced, the space on the train is saved, and the axle weight of the train is balanced.

    本发明提供了一种动车组牵引传动供电系统,包括交直交牵引变流器,所述交直交牵引变流器包括单相交流输入端口和三相交流输出端口,所述单相交流输入端口的第一端用于通过第一导电线路与通有较低电压单相交流电的接触网接触受电,所述单相交流输入端口的第二端用于通过第二导电线路与钢轨接触,所述三相交流输出端口用于与牵引电机连接,其中,所述单相交流输入端口的第一端与接触网之间不设置车载牵引变压器。本发明能够有效的降低列车的自身重量,节省车上空间,并均衡列车的轴重。


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    Titel :

    CRH train traction transmission power supply system


    Weitere Titelangaben:

    一种动车组牵引传动供电系统


    Beteiligte:
    WU BO (Autor:in) / ZHANG WEIPENG (Autor:in) / LI SHUQIAN (Autor:in)

    Erscheinungsdatum :

    2021-01-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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