A brushless motor control apparatus (3, 130) detects a phase current flowing in a brushless motor (1, 101), converts the phase current to a vector current including a d-axis current of a magnetic flux direction component and a q-axis current of a torque direction component orthogonal to the d-axis current, calculates a vector voltage instruction value based on differences between a vector current and a vector current instruction value, calculates a phase voltage instruction value and controls rotation of the brushless motor (1, 101) based on the phase voltage instruction value. The apparatus (3, 130) further calculates electric power produced in the brushless motor (1, 101), and protects the brushless motor (1, 101) based on the magnitudes of electric power.


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    Titel :

    Brushless motor control apparatus having overheat protecting function


    Weitere Titelangaben:

    Regelvorrichtung für bürstenlosen Motor mit Überhitzungsschutzfunktion
    Appareil de commande pour un moteur sans balai avec fonction de protection de surchauffe


    Beteiligte:

    Erscheinungsdatum :

    2018-05-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / 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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