Journal of international Conference on Electrical Machines and Systems

Journal of International Conference on Electrical Machines and Systems (대한전기학회 분과)
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Parallel Operation of Trans-Z-Source Network Full-Bridge DC-DC Converter for Wide Input Voltage Range

  • Lee, Hyeong-Min (Dept. of Electrical Engineering, Kyungpook National University) ;
  • Kim, Heung-Geun (Dept. of Electrical Engineering, Kyungpook National University) ;
  • Cha, Hon-Nyong (Dept. of Electrical Engineering, Kyungpook National University)
  • Received : 2012.04.11
  • Accepted : 2012.05.14
  • Published : 2012.06.01
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Abstract

This paper presents a novel transformer isolated parallel connected full-bridge dc-dc converter using recently developed trans-Z-source network. Unlike the traditional voltage -fed or current-fed converters, the proposed converter can be open- and short-circuited without damaging switching devices. Therefore, the desired buck and boost function can be achieved and the converter reliability can be greatly improved. A 6 kW prototype dc-dc converter is built and tested to verify performances of the proposed converter.

Keywords

References

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