The Transactions of the Korean Institute of Electrical Engineers B (대한전기학회논문지:전기기기및에너지변환시스템부문B)

The Korean Institute of Electrical Engineers (대한전기학회)
권호 표지

A Study on Characteristic Analysis of High Frequency Generating Circuit Integrated Chopper-Inverter with High Power-Factor

고역률 초퍼-인버터 일체형 고주파 발생회로의 특성해석에 관한 연구

  • 원재선 (영남대학교 대학원 전기공학과) ;
  • 박재욱 (영남대학교 대학원 전기공학과) ;
  • 남승식 (경일대학교 전기공학과) ;
  • 이봉섭 (삼척대학교 컴퓨터제어계측공학과) ;
  • 석줄기 (영남대학교 공대 전자정보공학부) ;
  • 김동희 (영남대학교 공대 전자정보공학부)
  • Published : 2004.10.01
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Abstract

This paper presents a novel high frequency generating circuit integrated chopper-inverter using ZVS with high power-factor. The proposed topology is integrated half-bridge boost rectifier as power factor corrector(PFC) and half-bridge high frequency resonant inverter into a single-stage. The input stage of the half-bridge boost rectifier works in discontinuous conduction mode(DCM) with constant duty cycle and variable switching frequency. So that a boost converter makes the line current follow naturally the sinusoidal line voltage waveform. Simulation results have demonstrated the feasibility of the proposed high frequency resonant inverter. Characteristics values based on characteristics analysis through circuit analysis is given as basis data in design procedure. Also, experimental results are presented to verify theoretical discussion. This proposed inverter will be able to be practically used as a power supply in various fields as induction heating applications. fluorescent lamp and DC-DC converter etc.

Keywords

References

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