Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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High-Frequency Zero Current Soft Switching Inverter with Pulse Density Modulation for Induction Heated Roller

  • Kang, Shin-Chul (Department of Electrical Gyeongnam Provincial Namhae College) ;
  • Mun, Sang-Pil (Department of Electrical Engineering, Kyungnam Univ.)
  • Published : 2008.07.31
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Abstract

This paper presents a voltage source type half-bridge series resonant high frequency (HF) inverter for induction heated fixing roller in copy machines. This high-frequency inverter works under zero current soft switching (ZCS) commutation and has wide power regulation range due to employing a pulse density modulation (PDM) scheme. Transient and steady state operating modes of the inverter are presented in this paper together with its PDM-based power regulation system. Experimental operating performances of the developed HF-ZCS inverter as well as power losses and actual efficiency are discussed and compared with computer simulation results.

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References

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