A power ECU (250) performs transmission power control to control transmission power as target power by controlling a duty of an output voltage of an inverter (220) and turn-on current control to control a turn-on current as a target value by controlling a driving frequency of the inverter (220). The target value of the turn-on current is set as a range in which a recovery current is not generated in a free wheeling diode of the inverter (220). The power ECU (250) changes the target value of the turn-on current to reduce the magnitude of a current which flows in a transmitting unit (240) in the range in which the recovery current is not generated while controlling the transmission power as the target power by the transmission power control. Accordingly, the present invention can improve power transmission efficiency.

    전원 ECU(250)는, 인버터(220)의 출력 전압의 듀티를 조정함으로써 송전 전력을 목표 전력으로 제어하는 송전 전력 제어와, 인버터(220)의 구동 주파수를 조정함으로써 턴온 전류를 목표값으로 제어하는 턴온 전류 제어를 실행한다. 턴온 전류의 목표값은, 인버터(220)의 환류 다이오드에 리커버리 전류가 발생하지 않는 범위로 설정된다. 전원 ECU(250)는, 송전 전력 제어에 의해 송전 전력을 목표 전력으로 제어하면서, 리커버리 전류가 발생하지 않는 범위에 있어서, 송전부(240)에 흐르는 전류의 크기가 저하되도록 턴온 전류의 목표값을 변경한다.


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    Titel :

    NON-CONTACT ELECTRIC POWER TRANSMITTING DEVICE AND ELECTRIC POWER TRANSFER SYSTEM


    Weitere Titelangaben:

    비접촉 송전 장치 및 전력 전송 시스템


    Beteiligte:

    Erscheinungsdatum :

    20.12.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    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 / 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




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