The energy efficiency of rail transit systems using regenerative braking is enhanced by flywheel storage elements used to store energy not accepted by the wayside power rail. In this paper three storage system control concepts are examined: armature and field control of on-board flywheels, and field control of a station-based storage device. The energy recovery efficiency and performance characteristics of each system are determined subject to opimal control laws derived to minimize energy loss. The resulting control systems are bilinear due to the use of separately excited d-c traction and flywheel motors as continuously variable transmissions. The three systems yield similar energy recovery efficiencies for deceleration, with the advantages of each for practical applications discussed.


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    Titel :

    Optimal control of on-board and station flywheel storage for rail transit systems


    Weitere Titelangaben:

    Optimale Kontrolle von stationaeren, auf den Zuegen befindlichen Schwungradspeichern fuer Eisenbahnverkehrssysteme


    Beteiligte:
    Sweet, L.M. (Autor:in) / Keane, M.J. (Autor:in)

    Erschienen in:

    ASME-Papers ; Dez ; 1-8


    Erscheinungsdatum :

    1978


    Format / Umfang :

    8 Seiten, 7 Bilder, 1 Tabelle, 10 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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