A method of controlling an electrical system for a grid-enabled vehicle, the system comprising: a bi-directional DC energy source; an electric machine including a rotor, a stator, a first winding and a second winding, the first and second windings each being multiphase windings, wherein the stator carries the first winding; a rotor angle detection means; a first control circuit connected to the first winding and including an input configured to be coupled to the grid; and a second control circuit through which the second winding is connected to the bi-directional DC energy source; wherein the method comprises: coupling the first control circuit to the grid; using the rotor angle detection means to determine a rotor angle that represents the position of the rotor with respect to the stator; selecting one of a set of predetermined vector positions according to the rotor angle, each vector position representing the position of the rotor with respect to the first winding; operating the first control circuit so as to convert grid-supplied electrical energy into an alternating multiphase voltage waveform that is optimised according to the selected vector position, wherein the voltage waveform produces an oscillating magnetic field around the first winding; and charging the bi-directional DC energy source using an induced alternating voltage waveform in the second winding arising through magnetic coupling between the first and second windings.


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    Title :

    CONTROL METHOD FOR INTEGRATED ELECTRIC DRIVE AND CHARGER APPARATUS FOR A GRID ENABLED VEHICLE


    Additional title:

    STEUERUNGSVERFAHREN FÜR INTEGRIERTEN ELEKTROANTRIEB UND LADEVORRICHTUNG FÜR EIN NETZGESPEISTES FAHRZEUG
    PROCÉDÉ DE COMMANDE POUR UN ENTRAÎNEMENT ÉLECTRIQUE INTÉGRÉ ET APPAREIL CHARGEUR DESTINÉ À UN VÉHICULE À GRILLE


    Contributors:

    Publication date :

    2016-10-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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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    IAIN URQUHART / JIM GREENOUGH / ZI-QIANG ZHU | European Patent Office | 2016

    Free access