상호 직렬 연결된 두 개의 스위칭 소자를 각각 포함하며 상호 병렬 관계로 연결된 복수의 레그; 상기 복수의 레그에 포함된 두 스위칭 소자가 상호 연결된 노드에 각각 일단이 연결된 복수의 인덕터; 및 상기 스위칭 소자의 온-오프 상태를 펄스폭 변조 방식으로 제어하되, 상기 인덕터의 타단으로 교류 전압이 인가될 때 상기 스위칭 소자의 한 스위칭 주기에 상기 복수의 인덕터 각각을 두 번 이상 빌드업 하도록 상기 스위칭 소자의 온-오프 상태를 제어하는 컨트롤러를 포함하는 역률 보상 회로가 개시된다.

    Disclosed is a power factor correction circuit including a plurality of legs connected in parallel and each leg including two switching devices connected in series, a plurality of inductors, each inductor having one terminal connected to an interconnection node of the two switching devices in a corresponding one of the plurality of legs, and a controller configured to control on/off states of the switching devices of the plurality of legs in a pulse width modulation manner such that each of the inductors of the plurality of inductors is built up twice or more in one switching period of the switching devices when an alternating current (AC) voltage is input to the other terminal of each inductor of the plurality of inductors.


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    Title :

    POWER FACTOR CORRECTION CIRCUIT CAPABLE OF BIDIRECTIONAL POWER TRANSFER AND CHARGER INCLUDING THE SAME


    Additional title:

    양방향 전력 전달이 가능한 역률 보상 회로 및 이를 포함하는 충전기


    Publication date :

    2024-06-13


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



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