The present invention relates to a charger in which a single phase and a three phase are combined. The charger in which the single phase and the three phase are combined comprises: a phase voltage selector which performs switching according to a case where the input power is single phase or three phase; three single phase power factor improving converters connected to the phase voltage selector by each phase; and a DC/DC converter performing charge control by connecting an output terminal of three single phase power factor improving converters, wherein the phase voltage selector forms and changes a connection between the input power supply and the three single phase power factor improving converters through switching and then supplies input power of the single phase or the three phase to at least one of the three single phase power factor improving converters.

    단상 및 3상 겸용 충전기가 개시된다. 단상 및 3상 겸용 충전기는, 입력 전원이 단상 또는 3상인 경우에 따라 스위칭을 수행하는 상전압 선택기, 상전압 선택기와 상별로 연결된 3개의 단상 역률개선 컨버터 및 3개의 단상 역률개선 컨버터의 출력단과 연결되어 충전제어를 수행하는 DC/DC 컨버터를 포함하되, 상전압 선택기는 스위칭을 통해 입력 전원과 3개의 단상 역률개선 컨버터 사이의 결선을 형성 및 변경함으로써, 3개의 단상 역률개선 컨버터 중 적어도 하나에 단상 또는 3상의 입력 전원을 공급한다.


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    Titel :

    3 Single and three phase combined charger


    Weitere Titelangaben:

    단상 및 3상 겸용 충전기


    Beteiligte:
    LEE JUN YOUNG (Autor:in) / LEE IL OUN (Autor:in) / CHOI SEUNG WON (Autor:in) / LEE WOO SEOK (Autor:in)

    Erscheinungsdatum :

    11.10.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

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



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