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

The Korean Institute of Electrical Engineers (대한전기학회)
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A Study on the New Control Scheme of Class-I Inverter for IH-Jar Applications with Clamped Voltage Characteristics Using Pulse frequency Modulation

주파수 변조 기법을 이용한 전압 클램프 특성을 갖는 유도가열용 Class-E 인버터의 새로운 제어에 관한 연구

  • 이동윤 (한양대 대학원 전기공학과) ;
  • 최영덕 (한양대 대학원 전기공학과) ;
  • 현동석 (한양대 전자전기공학부)
  • Published : 2003.03.01
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Abstract

In this paper, a new control scheme of Class-E inverter for Induction Heating (IH) Jar applications with clamped voltage characteristics using Pulse-Frequency-Modulation (PFM) is introduced. To reduce the voltage stress of switch, the proposed PFM control scheme doesn't need any auxiliary circuit in comparison to a family of Active Clamped Class-E (ACCE) inverter. It can decrease voltage stress of switch through modulation of switching frequency. The Class-E inverter using the proposed control scheme has the advantage of not only the same output power when it is compared with a Hybrid-Active Clamped Class-E (Hybrid-ACCE) inverter but also Zero-Voltage-Switching (ZVS), which are characteristics of conventional Class-E and ACCE inverter. The control principles and analysis of proposed method are explained in detail and its validity is verified through simulation and experimental results.

Keywords

References

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