Provided is an electromagnetically-coupled state detection circuit including a detection unit that measures a primary side Q value of a circuit containing a primary side coil electromagnetically coupled with a secondary side coil and power transmission efficiency to the secondary side coil, corrects the power transmission efficiency based on the Q value of the primary side coil, and detects a state of electromagnetic coupling with the secondary side coil based on an obtained corrected value of the power transmission efficiency.


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    Title :

    ELECTROMAGNETICALLY-COUPLED STATE DETECTION CIRCUIT, POWER TRANSMISSION APPARATUS, CONTACTLESS POWER TRANSMISSION SYSTEM, AND ELECTROMAGNETICALLY-COUPLED STATE DETECTION METHOD


    Additional title:

    SCHALTKREIS ZUR ERKENNUNG EINES ELEKTROMAGNETISCHEN KOPPLUNGSZUSTANDS, STROMÜBERTRAGUNGSVORRICHTUNG, KONTAKTLOSES STROMÜBERTRAGUNGSSYSTEM UND VERFAHREN ZUR ERKENNUNG EINES ELEKTROMAGNETISCHEN KOPPLUNGSZUSTANDS
    CIRCUIT DE DÉTECTION D'ÉTAT À COUPLAGE ÉLECTROMAGNÉTIQUE, APPAREIL DE TRANSMISSION DE PUISSANCE, SYSTÈME DE TRANSMISSION DE PUISSANCE SANS CONTACT ET PROCÉDÉ DE DÉTECTION D'ÉTAT À COUPLAGE ÉLECTROMAGNÉTIQUE


    Contributors:

    Publication date :

    2020-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H04B TRANSMISSION , Übertragung / 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





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