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논문 기본 정보

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(자동차부품연구원) (서울과학기술대) (서울과학기술대)
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전력전자학회 전력전자학회논문지 전력전자학회 논문지 제21권 제1호
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    초록·키워드

    In this study, a bidirectional DC–DC converter for idle stop and go (ISG) is developed to reduce fuel consumption. A three-phase non-isolated half-bridge converter is selected through a design method by considering efficiency and volume. According to the state of charge of the batteries at both the low-voltage and high-voltage sides, buck mode, which charges a low-voltage battery from the generated motor energy, and boost mode, which provides power to the motor from the low- and high-voltage battery sides, are required in the ISG system. Hence, an autonomous and seamless bidirectional control method using a variable current limiter is proposed for mode change. A 1.8 kW engineering sample of the proposed converter has been built and tested to verify the validity of the proposed concept. The maximum efficiencies, including gate driver and control circuit losses, are 96.4% in charging mode and 96.1% in discharging mode.

    최근 본 자료 전체보기

      UCI(KEPA) : I410-ECN-0101-2016-560-002451572