As shown by experience, using an AC drive with asynchronous motor not only eliminates the deficiencies of a DC motor but also increases the overall drive reliability and reduces operating costs and power consumption by up to 40 %. Currently, the 75-kW motor for drives of six-axle streetcars is modified, and a 55-kW asynchronous motor drive is developed for four-axle light-rail cars. The motor parameters and operating conditions are presented. On the basis of the motor dynamics, the rotor magnetic system and the casting material yield a maximum torque 30 % greater than for general-purpose motors. To ensure speed control, a DE-F20-1 speed sensor is attached to an insulated bracket on the bearing housing at the working end of the motor shaft or on the fan end.


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    Titel :

    Tractional asynchronous motors for light-rail drives


    Weitere Titelangaben:

    Asynchron-Fahrmotoren für Stadtbahnen


    Beteiligte:
    Piskunov, S.V. (Autor:in) / Voroshilov, V.S. (Autor:in) / Polyakov, V.A. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2005


    Format / Umfang :

    3 Seiten, 2 Bilder, 1 Tabelle, 2 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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