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.

    A non-contact electric power transmitting device (10) includes an electronic control unit (250) that is configured to perform; i) first control for controlling an electric power to be transmitted to a target electric power by adjusting a duty of an output voltage of an inverter (220), ii) second control for controlling a turn-on current representing an output current of the inverter (220) by adjusting the drive frequency, the output current being an output current at a time when the output voltage rises, , and iii) adjusting the duty and the drive frequency such that a current supplied from the inverter (220) to an electric power transmitting unit (240)decreases within the range in which the turn-on current is equal to or smaller than a limit value, while performing the first control.


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    Title :

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


    Additional title:

    비접촉 송전 장치 및 전력 전송 시스템


    Publication date :

    2018-05-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    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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