대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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전기자동차 보조전원용 FB-ZVS 직류-직류 변환기에 관한 연구

A Study on the FB-ZVS DC/DC Converter for Auxiliary Power Supply in Electric Vehicles

  • 이동근 (단국대학교 전기공학과) ;
  • 윤덕용 (천안공업전문대학 제어계측과) ;
  • 홍순찬 (단국대학교 전기공학과)
  • Lee, Dong-Keun (Dept. of Electrical Engineering, Dankook University) ;
  • Yoon, Duck-Yong (Dept. of Control & Measurement, Cheonan Junior Tech. College) ;
  • Hong, Soon-Chan (Dept. of Electrical Engineering, Dankook University)
  • 발행 : 1996.11.16
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초록

A FB-ZVS(Full Bridge Zero Voltage Switching) PWM DC/DC converter for electric vehicles is simulated and implemented in this paper. The converter considered is a step-down DC/DC converter with the ratings of 312/13.5V and 1.35kW. The steady state operation of this converter is divided into six operating modes in case of continuous current mode and eight operating modes in case of discontinuous current mode. Digital simulations using PSpice are carried out to verify the steady-state analysis. A prototype converter was built in the laboratory. MOSFETs were used for swithching devices and fast recovery diodes to reduce the charge storage problem of a pn-junction.

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