Provided is a semiconductor device including: a semiconductor element including a first electrode, a second electrode, and a gate electrode; a surge voltage measuring unit electrically connected to the first electrode or the second electrode and configured to measure a surge voltage; a variable resistor electrically connected to the gate electrode; a comparator configured to compare a surge voltage measurement value, which is acquired by measuring the surge voltage generated by a first pulse applied to the gate electrode by the surge voltage measuring unit, with a surge voltage target value; a determination unit configured to determine a setting value of a resistance value of the variable resistor based on the comparison result by the comparator; and an instruction unit configured to instruct the setting value to the variable resistor.


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    Titel :

    Electronic circuit, power conversion device, driving device, vehicle, and elevator


    Beteiligte:
    IKEDA KENTARO (Autor:in)

    Erscheinungsdatum :

    23.03.2021


    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 / B60C VEHICLE TYRES , Fahrzeugreifen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B61C Lokomotiven , LOCOMOTIVES / B66B Aufzüge , ELEVATORS / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / 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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