Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
권호 표지

New ZVZCS PWM Converter For High Power Application

대전력 응용을 위한 새로운 ZVZCS PWM 컨버어터

  • Ryoo, Hong-J. (Power & Energy Conversion Team Korea Electrotechnology Research Institute) ;
  • Cho, Jung-G. (Power & Energy Conversion Team Korea Electrotechnology Research Institute) ;
  • Yoo, Dong-W. (Power & Energy Conversion Team Korea Electrotechnology Research Institute) ;
  • Rim, Geun-H. (Power & Energy Conversion Team Korea Electrotechnology Research Institute)
  • 류홍제 (한국전기연구소 전력변환팀) ;
  • 조정구 (한국전기연구소 전력변환팀) ;
  • 유동욱 (한국전기연구소 전력변환팀) ;
  • 임근희 (한국전기연구소 전력변환팀)
  • Published : 1996.07.22
Download PDF
⟨ Previous Next ⟩

Abstract

A new zero voltage and nero current switching(ZVZCS) full bridge(FB) PWM converter b proposed to improve the performance of the previously presented ZVZCS-FB-PWM converters [7,8]. By adding a secondary active clamp and controlling the clamp switch moderately, ZVS(for leading-leg switches) are ZCS(for lagging-leg switches) are achieved without nay lossy components, the reverie avalanche break down of leading-leg IGBTs[7] or the saturable reactor in the primary[8]. Many advantages including simple circuit topology, high efficiency, and low cost mate the new converter attractive for high voltage and high power(> 10 kW) applications. The principle of operation is explained and analyzed. The features and design considerations of the new converter are also illustrated and verified on an 1.8 kW, 100 kHz IGBT based experimental circuit.

Keywords