A Novel Quasi-Resonant ZCS-PFM DC-DC Switching Regulator with Loosely-Coupled Flyback Inductors

  • Chu E.H. (Department of Electrical Engineering, Yamaguchi University) ;
  • Chandhaket S. (Department of Electrical Engineering, Yamaguchi University) ;
  • Moisseev S. (Department of Electrical Engineering, Yamaguchi University) ;
  • Hiraki E. (Department of Electrical Engineering, Yamaguchi University) ;
  • Nakaoka M. (Department of Electrical Engineering, Yamaguchi University) ;
  • Kifune H. (Department of Electrical Engineering, Tokyo University of Mencantile Marines)
  • Published : 2001.10.01

Abstract

This paper presents a novel topological prototype of voltage source series quasi-resonant zero current soft-switching pulse frequency modulated dc-dc power converter circuit using IGBTs which incorporates a high-frequency flyback transformer link. Its steady-state operating principle is described on the basis of simulation analysis, along with the open loop controlled power regulation characteristics of the multi-functional coupled inductors linked dc-dc power converter operating under a principle of zero current soft switching commutation.

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