Disclosed is an apparatus for supplying power from a vehicle battery to the outside of a vehicle, which converts DC power received from the vehicle battery into AC power and outputs the AC power to a load outside the vehicle. The apparatus comprises: an inverter circuit that has a bridge circuit composed of multiple switching elements, converts DC power received by switching of the switching elements into AC power, and outputs the converted AC power; and a controller that controls an on/off state of the switching elements through pulse width modulation. The controller adjusts a duty of the switching elements to decrease an output AC voltage output from the inverter when an output AC current output to the load is greater than a preset reference value or an input DC current input to the inverter is greater than a preset reference value, and stops a power conversion operation of the inverter when the decreased output AC voltage is below a preset reference value. The apparatus according to the present invention can secure the robustness of power supply and prevent damage to hardware in advance during vehicle-to-load (V2L) charging.

    차량의 배터리로부터 직류 전력을 입력 받아 교류 전력으로 변환하여 차량 외부의 부하로 출력하는 차량 배터리로부터 차량 외부로 전력을 공급하는 장치가 개시된다. 상기 장치는, 복수의 스위칭 소자로 구성된 브릿지 회로를 구비하며, 상기 스위칭 소자의 스위칭에 의해 입력 받은 상기 직류 전력을 상기 교류 전력으로 변환하여 출력하는 인버터 회로; 및 상기 스위칭 소자의 온/오프 상태를 펄스폭 변조 제어하는 컨트롤러를 포함한다. 상기 컨트롤러는, 상기 부하로 출력되는 출력 교류 전류가 사전 설정된 기준값 보다 크거나 상기 인버터로 입력되는 입력 직류 전류가 사전 설정된 기준값 보다 큰 경우, 상기 인버터에서 출력되는 출력 교류 전압을 감소하도록 상기 스위칭 소자의 듀티를 변경하며, 감소하는 상기 출력 교류 전압이 사전 설정된 기준값 이하가 되면 상기 인버터의 전력 변환 동작을 중지시킨다.


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    Titel :

    APPARATUS OF SUPPLYING POWER FROM BATTERY IN VEHICLE TO OUTSIDE OF VEHICLE AND BIDIRETIONAL CHARGER FOR VEHICLE INCLUDING THE SAME


    Weitere Titelangaben:

    차량 배터리로부터 차량 외부로 전력을 공급하는 장치 및 이를 포함하는 차량용 양방향 충전기


    Beteiligte:
    PARK SUNG UK (Autor:in) / SEONG HYUN WOOK (Autor:in) / WOO DONG GYUN (Autor:in) / KIM CHUL SOON (Autor:in) / JANG HUI SUNG (Autor:in) / KIM JEE HEON (Autor:in)

    Erscheinungsdatum :

    2022-07-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

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



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