Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Design and Analysis of High-order Active Input Filter for Power Factor Correction(PFC) Converter

역률 개선 컨버터용 고차 능동 필터의 설계 및 분석

  • Lee, Dong-Young (School of Electrical Engineering, Seoul National University) ;
  • Cho, Bo-Hyung (School of Electrical Engineering, Seoul National University)
  • 이동영 (서울대학교 공과대학 전기공학과) ;
  • 조보형 (서울대학교 공과대학 전기공학과)
  • Published : 1996.07.22
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Abstract

In this paper, active input filter for power factor correction(PFC) circuit employing ripple arrent and voltage cancellation is proposed to reduce filter's size and cost, and to make filter design easy. Switching ripple current and voltage can be sensed through the secondary windings of filter inductor. Single stage passive filter can achieve high order filter characteristics by using active ripple current and voltage cancellation technique. Conventional high order passive filter and its problems are suggested. Analysis of active filter and design procedure are detailed. Simulation result is presented to verify high order filter characteristics of proposed scheme.

Keywords