An inverter control device and inverter control method are such that, when there is a possibility of induction voltage caused by a multi-phase motor exceeding a breakdown voltage of a switching element of an inverter, two of three phases are first interrupted at an appropriate timing in order to restrict induction voltage when shifting from a three-phase short circuit to an all-phase interruption, after which a shift is made to an all-phase interruption at a timing at which currents of the three phases reach the vicinity of zero, whereby a leap in a direct current bus voltage is restricted.


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    Titel :

    INVERTER CONTROL DEVICE AND INVERTER CONTROL METHOD


    Beteiligte:

    Erscheinungsdatum :

    17.05.2018


    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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