쌍방향 전력 변환기는, 제 1 단자 (11 ; 111a, 111b, 111c) 와, 제 2 단자 (13 ; 113a, 113b, 113c) 와, 메인 리액터 (22 ; 122a, 122b, 122c) 와, 복수의 서브 회로 (5, 6) 와, 컨트롤러를 구비하고 있다. 각 서브 회로는, 직렬로 접속되어 있는 상 스위칭 소자 (32, 34) 와 하 스위칭 소자 (31, 33) 와, 2 개의 다이오드 (42, 41) 와, 서브 리액터 (24) 를 구비하고 있다. 컨트롤러는, 복수의 서브 회로를 순차적으로 제어한다. 컨트롤러는, 제 1 단자로부터 제 2 단자로 전류가 흐르고 있는 동안에는, 각각의 서브 회로 (5, 6) 의 하 스위칭 소자를 온하고 오프한 후에 상 스위칭 소자를 온하고 오프한다. 컨트롤러는, 제 2 단자로부터 제 1 단자로 전류가 흐르고 있는 동안에는, 각각의 서브 회로의 상 스위칭 소자를 온하고 오프한 후에 하 스위칭 소자를 온하고 오프한다.

    A bidirectional power converter includes a first terminal (11; 111a, 111b, 111c), a second terminal (13; 113a, 113b, 113c), a main reactor (22; 122a; 122b; 122c), a plurality of sub-circuits (5, 6) and a controller. The sub-circuits each include an upper switching element (32, 34), a lower switching element (31, 33), two diodes (42, 41), and a sub-reactor (24). The controller sequentially controls the sub-circuits such that: the lower switching element is turned on and turned off and then the upper switching element is turned on and turned off in each of the sub-circuits (5, 6), while a current is flowing from the first terminal toward the second terminal; and the upper switching element is turned on and turned off and then, the lower switching element is turned on and turned off in each of the sub-circuits, while the current is flowing from the second terminal toward the first terminal.


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    Titel :

    BIDIRECTIONAL POWER CONVERTER ELECTRIC VEHICLE AND CONTROL METHOD FOR BIDIRECTIONAL POWER CONVERTER


    Weitere Titelangaben:

    쌍방향 전력 변환기, 전기 자동차, 및, 쌍방향 전력 변환기의 제어 방법


    Erscheinungsdatum :

    2022-01-21


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01F MAGNETS , Magnete



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