The invention relates to a drive and brake system of a rail vehicle or a combination of rail vehicles, comprising a traction drive (1) for driving and for generative braking, at least one permanent-field synchronous motor (6) and a traction current converter (4) being associated with at least one axle of the rail vehicle or combination of rail vehicles. The traction current converter (4) comprises at least one pulse current converter (22) on the engine side, and the clamps of the permanent-field synchronous motor (6) are connected to a change-over switch (30) such that the permanent-field synchronous motor (6) can be connected to a load circuit (32) containing at least one load element (28), in order to drive the pulse current converter (22) or for generative braking. The aim of the invention is to be able to also activate or deactivate at least one friction brake (36) during the generative braking process according to the value of the rotational speed (n) of the permanently-field synchronous motor (6) and/or according to the value of at least one variable (U, I) based on said rotational speed (n).


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    Title :

    Sistema de propulsión y frenado de un vehículo sobre raíles con freno generador y freno por rozamiento adicional


    Contributors:
    FRIESEN ULF (author) / HÄHLE FALK (author) / SCHMUCKER JOSEF (author)

    Publication date :

    2020-05-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Spanish


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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