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

The Korean Institute of Power Electronics (전력전자학회)
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Multi-Phase Interleaved ZVT Boost Converter With a Single Soft-Switching Cell

단일 소프트 스위칭 셀을 가진 다상 Interleaved ZVT Boost 컨버터

  • Lee, Joo-Seung (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Hwang, Yun-Seong (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Kang, Sung-Hyun (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Kwon, Man-Jae (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Jang, Eunsu (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Lee, Byoung-Kuk (Dept. of Electrical Engineering, Sungkyunkwan University)
  • Received : 2022.01.28
  • Accepted : 2022.04.18
  • Published : 2022.06.20
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Abstract

This paper proposes a multiphase interleaved zero-voltage-transition boost converter with a single soft-switching cell for high-voltage DC-DC converter (HDC) of fuel cell systems. The proposed single soft-switching cell structure can reduce the system volume by minimizing the passive and active elements added even in the multiphase-interleaved structure. To analyze the feasibility of the proposed structure, this paper mathematically analyzes the operation modes of the converter with the proposed single soft-switching cell structure and presents guidelines for design and considerations. In addition, the feasibility of the 210[kW] HDC was confirmed through PSIM simulation, and the system volume reduction of up to 10.48% was confirmed as a result of the 5[kW] HDC test-bed experiment considering the fuel cell system. Through this, the validity of the proposed structure was verified.

Keywords

Acknowledgement

이 연구는 2020년도 산업통상자원부 및 산업기술평가관리원(KEIT) 연구비 지원에 의한 연구임.('No.20010855') 이 논문은 2021년도 정부(산업통상자원부)의 재원으로 한국에너지기술평가원의 지원을 받아 수행된 연구임. (20212020800020, 통합형 최적설계 플랫폼 기반 초고효율 전력변환시스템 개발)

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