The invention provides an urban rail vehicle traction system. The system comprises a power device and an energy storing device; the power device comprises a traction inverter connected with a power supply network, and a traction motor connected with the output end of the traction inverter; the energy storing device comprises a DC/ DC convertor, a super capacitor and a power battery; the super capacitor and the power battery are connected in parallel; a negative electrode of the super capacitor is connected with the negative electrode of a DC bus of the power supply network, and while a positive electrode of the super capacitor is connected with the positive electrode of the DC bus of the power supply network through the DC/ DC convertor; the DC/ DC convertor controls the super capacitor and the power battery to charge and discharge, and the discharged electricity is supplied to the power device through the DC/ DC convertor. According to the traction, the super capacitor and the power battery are connected in parallel to be used as an energy supply source, and therefore, the performances of the urban rail vehicle crossing a non-power area can be fully improved when separating from the power supply network.


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    Titel :

    Urban rail vehicle traction system


    Beteiligte:
    REN BAOBING (Autor:in) / LIANG JIAYU (Autor:in) / ZHAO LICHAO (Autor:in)

    Erscheinungsdatum :

    03.06.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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