전력전자학회논문지 (The Transactions of the Korean Institute of Power Electronics)

  • 제22권4호
  • /
  • Pages.312-323
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  • 2017
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  • 1229-2214(pISSN)
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  • 2288-6281(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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배터리 에너지 저장장치용 고효율 2kW급 양방향 DC-DC 컨버터 설계

Design of a 2kW Bidirectional Synchronous DC-DC Converter for Battery Energy Storage System

  • 투고 : 2017.02.13
  • 심사 : 2017.04.17
  • 발행 : 2017.08.20
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초록

This paper introduces the bidirectional dc-dc converter design case study, which employs silicon-carbide (SiC) MOSFETs for battery energy storage system (BESS). This converter topology is selected as bidirectional synchronous buck converter, which is composed of a half bridge converter, an inductor, and a capacitor, where the converter has less conduction loss than that of a unidirectional buck and boost converter, and to improve the converter efficiency, both the power stage design and power conversion architecture are described in detail. The conduction and switching losses are compared among three different SiC devices in this paper. In addition, the thermal analysis using Maxwell software of each switching device supports the loss analyses, in which both the 2 kW prototype analyses and experimental results show very good agreement.

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과제정보

연구 과제 주관 기관 : (주)LS산전, 한국에너지기술평가원(KETEP)

참고문헌

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