A power transmitter provided according to one aspect of the present disclosure includes a high-frequency power source device, a power transmitting unit, and a transmitter-side controller. The high-frequency power source device generates high-frequency power. The power transmitting unit includes a power-transmitting coil. The power transmitting unit wirelessly transmits the high-frequency power received from the high-frequency power source device to a power receiver mounted on an electric vehicle. The transmitter-side controller calculates a transmitter usage rate. The transmitter-side controller causes the power transmitting unit to stop power transmission in response to the transmitter usage rate exceeding a predetermined threshold. The transmitter usage rate indicates a rate of time during which the power transmitting unit transmits power to the power receiver per unit time.


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    Titel :

    Power transmitter, power receiver, and wireless charging system


    Beteiligte:
    KOTANI HIROYUKI (Autor:in) / YOKOTA MASAO (Autor:in)

    Erscheinungsdatum :

    2019-07-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B61B RAILWAY SYSTEMS , Eisenbahnanlagen



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