Railway car retarders are used at marshaling humps and can be placed on one or both railway lines. A modern electrodynamic retarder comprises a magnetic conductor with a DC magnetizing winding installed on it. The magnetic flux generated by the magnetizing winding pierces the wheel and induces eddy currents. The interaction of the wheel current and the magnetic flux results in forces braking the wheel. A technique of calculating the braking force is described. Results in terms of the braking force, the braking time, and the breaking length for defined geometrical dimensions of the wheel and the magnetic poles are summarized. Recommendations for calculating the design of an electrodynamic railway car retarder are given.


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    Title :

    Calculations of braking force of electro-dynamical railway car retarder


    Additional title:

    Berechnung der Bremskraft eines elektrodynamischen Hemmschuhs für Eisenbahnwagen


    Contributors:

    Published in:

    Publication date :

    2008


    Size :

    3 Seiten, 2 Bilder




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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