An exemplary inductive power transfer system having a transmitter coil and a receiver coil. A transmitter-side power converter having a mains rectifier stage powering a transmitter-side dc-bus and controlling a transmitter-side dc-bus voltage U1,dc. A transmitter-side inverter stage with a switching frequency fsw supplies the transmitter coil with an alternating current. A receiver-side power converter having a receiver-side rectifier stage that rectifies a voltage induced in the receiver coil and powering a receiver-side dc-bus and a receiver-side charging converter controlling a receiver-side dc-bus voltage U2,dc. Power controllers that determine from a power transfer efficiency of the power transfer, reference values U1,dc*, U2,dc* for the transmitter and receiver side dc-bus voltages. An inverter stage switching controller controls the switching frequency fsw to reduce losses in the transmitter-side inverter stage.


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    Titel :

    Inductive power transfer system and method for operating an inductive power transfer system


    Beteiligte:
    BOSSHARD ROMAN (Autor:in) / KOLAR JOHANN WALTER (Autor:in) / CANALES FRANCISCO (Autor:in) / GUGGISBERG BEAT (Autor:in) / GONG GUANGHAI (Autor:in) / WUNSCH BERNHARD (Autor:in)

    Erscheinungsdatum :

    2017-12-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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




    Inductive Power Transfer Pad, System for Inductive Power Transfer and Method of Operating Inductive Power Transfer Pad

    WECHSLER SIMON / ANDERS DOMINIK | Europäisches Patentamt | 2017

    Freier Zugriff



    Inductive power transfer pad, system for inductive power transfer and method of operating inductive power transfer pad

    WECHSLER SIMON / ANDERS DOMINIK | Europäisches Patentamt | 2018

    Freier Zugriff