The embodiment of the invention provides a rail transit grounding system, which comprises: a train, wherein the train comprises a trailer and a bullet train; a rail, wherein the train is in rolling connection with the rail through a wheel pair, and a grounding carbon brush is arranged at the shaft end of the wheel pair; a first grounding device, wherein the trailer is connected with the groundingcarbon brush through the first grounding device; and a second grounding device, wherein the bullet train is connected with the grounding carbon brush through the second grounding device, and the second grounding device comprises a grounding resistor. According to the invention, the vehicle body backflow is effectively inhibited, the obstruction to overvoltage discharge is reduced, and the bearingdamage rate is reduced.

    本申请实施例提供一种轨道交通接地系统,所述轨道交通接地系统包括:列车,所述列车包括拖车和动车;轨道,所述列车通过车轮对与所述轨道滚动连接,所述车轮对的轴端设置有接地碳刷;第一接地装置,所述拖车通过所述第一接地装置连接所述接地碳刷;第二接地装置,所述动车通过所述第二接地装置连接所述接地碳刷,所述第二接地装置包括接地电阻。本申请实现了有效抑制车体回流的同时,减小对过电压泄放的阻碍,降低轴承损坏率。


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    Title :

    Rail transit grounding system


    Additional title:

    一种轨道交通接地系统


    Contributors:
    ZHOU FULIN (author) / ZHANG WEI (author) / WANG WENHAO (author)

    Publication date :

    2021-01-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H01R Elektrisch leitende Verbindungen , ELECTRICALLY-CONDUCTIVE CONNECTIONS / B61C Lokomotiven , LOCOMOTIVES



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