The increase in the traction-drive power reults in the necessity of improving the existing system of the traction power supply. A possibility to improve the trolleybus power-supply system by decreasing energy losses during transmissions from the power supply source to the power feed line is considered. The passage from the existing two-wire power-supply system to the DC three-wire system is proposed. It requires the modernization of the power-supply circuits by passing from the traction-transformer winding connection by star-two inverse stars with equalizing reactor to that by star-star, delta with the series connection between three-phase bridge rectifiers. A method for calculating losses for the proposed circuit solution is described. Taking account of the real conditions of motion, 9 different situations of the mutual location of trolleybuses are considered. The studies of the mathematical model describing the proposed power-supply system show that the lengths of the regions between substations may be doubled and technological energy losses may be approximately halved.


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    Titel :

    Improving performance of trolleybus power-supply system


    Weitere Titelangaben:

    Leistungssteigerung im Trolleybus-Stromversorgungsnetz


    Beteiligte:
    Biryukov, V.V. (Autor:in) / Sopov, V.I. (Autor:in) / Prokushev, Y.A. (Autor:in) / Evdokimov, S.A. (Autor:in) / Spiridonov, E.A. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2007


    Format / Umfang :

    5 Seiten, 5 Bilder, 3 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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