The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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A Bidirectional Three-phase Push-pull Zero-Voltage Switching DC-DC Converter

양방향 3상 푸쉬풀 ZVS DC-DC 컨버터

  • Kwon, Min-Ho (Dept. of Control & Instrumentation Eng., Seoul Nat'l Univ. of Science and Technology) ;
  • Han, Kook-In (EV Component R&D Group, LG Electronics) ;
  • Park, Jung-Sung (Dept. of New Energy Eng., Seoul Nat'l Univ. of Science and Technology) ;
  • Choi, Se-Wan (Dept. of Electrical & Information Eng., Seoul Nat'l Univ. of Science and Technology)
  • Received : 2013.04.09
  • Accepted : 2013.06.12
  • Published : 2013.08.20
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Abstract

This paper proposes an isolated bidirectional three-phase push-pull dc-dc converter for high power application such as eco-friendly vehicles, renewable energy systems, energy storage systems, and solid-state transformers. The proposed converter achieves ZVS turn-on of all switches and volume of passive components is small by an effect of three-phase interleaving. The proposed converter has identical switching pattern for both boost and buck mode, and therefore can provide seamless characteristic at the mode transition. A 3kW prototype of the proposed converter has been built and tested to verify the validity of the proposed operation.

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References

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  1. New Soft-Switching Method of 3-phase Interleaved Bidirectional DC-DC Converter for Battery Charging and Discharging vol.19, pp.4, 2014, https://doi.org/10.6113/TKPE.2014.19.4.383