Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Analysis and Design of a Soft-Switched PWM Sepic DC-DC Converter

  • Kim, In-Dong (Dept. of Electrical Eng., Pukyong National University) ;
  • Kim, Jin-Young (Dept. of Electrical Eng., Pukyong National University) ;
  • Nho, Eui-Cheol (Dept. of Electrical Eng., Pukyong National University) ;
  • Kim, Heung-Geun (Dept. of Electrical Eng., Kyungpook National University)
  • Received : 2010.05.06
  • Published : 2010.09.20
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Abstract

This paper proposes a new soft-switched Sepic converter. It has low switching losses and low conduction losses due to its auxiliary communicated circuit and synchronous rectifier operation, respectively. Because of its positive and buck/boost-like DC voltage transfer function (M=D/(1-D)), the proposed converter is desirable for use in distributed power systems. The proposed converter has versions both with and without a transformer. The paper also suggests some design guidelines in terms of the power circuit and the control loop for the proposed converter.

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References

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