The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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LCL Type Series Resonant Converter with PWM Control Method

PWM 제어 방법을 이용한 LCL 직렬 공진 콘버터에 관한 연구

  • 현동석 (한양대 공대 전기공학과) ;
  • 이요한 (한양대 공대 전기공학과) ;
  • 추병호 (한양대 공대 전기공학과) ;
  • 송인호 (POSCON 기술연구소) ;
  • 민경진 (한양대 공대 대학원 전기공학과)
  • Published : 1997.06.01
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Abstract

A simple AC complex circuit analysis for LCL type series resonant converter with phase shift control is proposed. Based on these analyses, a set of characteristic curves which allows a optimal design procedure for this converter is shown, without increasing the volt-ampere rating of tank circuit. Especially, inverter output peak current can be minimized in both full load and partial load conditions. The presented design considerations can make the load range wide from full loads to light loads achieving turn-on with zero voltage switching (ZVS) operation. The simulation and experimental results show the effectiveness of the proposed design algorithms.

본 논문에서는 위상제어를 이용한 LCL형 직렬공진 콘버터의 간단한 AC 복소해석이 수행되었다. 이 해석에 근거하여 탱크 회로의 volt-ampere 정격을 증가시키지 않는 콘버터의 최적 설계를 가능하게 하는 일련의 특성곡선들을 제시하였다. 특히 정격부하나 경부하에서도 인버터 출력전류의 피크치를 최소화할 수 있게 되었다. 제시한 설계 예에서, 과부하에서 경부하에 이르는 넓은 부하범위에서 영전압 턴온 동작을 할 수 있음을 보여준다. 시뮬레이션과 실험결과를 통해 제안된 회로의 유용성을 증명한다.

Keywords

References

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