Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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High Efficiency Soft-Switching Boost Converter Using a Single Switch

  • Kim, Jun-Ho (School of Information and Communication Engineering, Sungkyunkwan University) ;
  • Jung, Doo-Yong (School of Information and Communication Engineering, Sungkyunkwan University) ;
  • Park, Sang-Hoon (School of Information and Communication Engineering, Sungkyunkwan University) ;
  • Won, Chung-Yuen (School of Information and Communication Engineering, Sungkyunkwan University) ;
  • Jung, Yong-Chae (Department of Electronic Engineering, Namseoul University) ;
  • Lee, Su-Won (School of Information and Communication Engineering, Sungkyunkwan University)
  • Published : 2009.11.20
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Abstract

This paper presents a new soft-switching boost converter based on the LC resonance and passive clamping technique without additional active switches. The circuit achieves high efficiency and low voltage stress by adopting a soft switching method using LC resonance. This paper gives a mathematical analysis of each mode and a detailed design procedure of the proposed boost converter. First of all, the operational principles are verified through simulation results. Then, according to the design procedure, we designed and built a 1.5[kW] prototype soft switching boost converter. Through the experimental results, we demonstrated the validity and usefulness of the proposed boost converter.

Keywords

References

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