An electric power steering device includes a main power supply unit capable of supplying power to a load; an auxiliary power supply unit connected to the main power supply unit and capable of supplying charged power to the load; a boosting circuit capable of boosting a voltage supplied from the main power supply unit and applying a resulting voltage to the auxiliary power supply unit; a circuit switching unit interposed between the main power supply unit and the load and closing one of a first connection circuit extending from the main power supply unit to the load and a second connection circuit extending from the main power supply unit to the load via the auxiliary power supply unit; and a controller performing switching control on the circuit switching unit so as to close the second connection circuit if the magnitude of power required by the load exceeds a first threshold.


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    Titel :

    Power supply device and electric power steering device including power supply device


    Beteiligte:

    Erscheinungsdatum :

    02.04.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / 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



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