A control device for an inverter has a DC voltage input and a power unit with three half-bridges each formed by two power switching elements, the control device being arranged to driving the power switching elements in a normal operating mode for converting a DC voltage applied to the DC voltage input into a polyphase AC current provided at an AC current output. The control device is adapted to evaluate a signal state of a signal indicating a disconnection of a DC voltage source from the DC voltage input and to control the power switching elements in dependence on a result of the evaluation for alternately adopting a first switching pattern causing DC braking and a second switching pattern causing freewheeling.


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    Titel :

    Control device for an inverter, inverter for an asynchronous machine, vehicle and method for operating an inverter


    Beteiligte:
    WIEDMANN KARSTEN (Autor:in) / REYMANN MARKUS (Autor:in)

    Erscheinungsdatum :

    27.12.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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