A regenerative elevator drive (2) is arranged to receive power from, and supply regenerative energy to, an external power supply (4, 10) and is arranged to direct excess regenerative energy through a dynamic braking resistor (20). An inverter (16) is arranged to receive a DC voltage, derived from the external power supply (4, 10), and to convert the DC voltage to an AC voltage for output to an external motor (22). A DC link capacitor (14) is connected across the input of the inverter (16). A circuit breaker unit (54) is arranged to switch between a first state which provides a connection between the inverter (16) and the external power supply (4, 10), and a second state which disconnects the inverter (16) from the external power supply (4,10).


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    Titel :

    REGENERATIVE DRIVE


    Beteiligte:
    GLESSNER STEPHAN (Autor:in) / HORBRUGGER HERBERT (Autor:in) / THE ANDREW (Autor:in) / SCHOENAUER UWE (Autor:in)

    Erscheinungsdatum :

    2020-11-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS / 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



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