전력전자학회:학술대회논문집 (Proceedings of the KIPE Conference)

전력전자학회 (The Korean Institute of Power Electronics)
권호 표지

개선된 전파형 ZVT-PWM DC-DC 컨버터

Improved full wave mode ZVT-PWM DC-DC Converters

  • 김태우 (금오공과대학교 전자제어공학과) ;
  • 강안종 (금오공과대학교 전자제어공학과) ;
  • 진기호 (금오공과대학교 전자제어공학과) ;
  • 김학성 (금오공과대학교 전자제어공학과)
  • Kim T.W. (Dept. of Electronics & Control Eng., Kum-oh National Institute of Technology) ;
  • Kang A.J. (Dept. of Electronics & Control Eng., Kum-oh National Institute of Technology) ;
  • Chin G.H. (Dept. of Electronics & Control Eng., Kum-oh National Institute of Technology) ;
  • Kim H.S. (Dept. of Electronics & Control Eng., Kum-oh National Institute of Technology)
  • 발행 : 2003.07.01
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초록

In this paper, an improved full wave mode ZVT-PWM DC-DC Converter is presented to maximize the regeneration ratio of resonant energy by only putting an additional diode in series with auxiliary switch. The operation of auxiliary switch in a half wave mode makes possible the soft switching condition of all switches. Furthermore, the increase of the regeneration ratio to resonant energy results in low conduction losses and minimum voltage and current stresses. The operation principles of the proposed converters are analyzed using the PWM boost converter topology as an example. Theoretically analysis and experimental results verify the validity of the boost converter topology with the proposed full wave mode ZVT-PWM converters

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