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

The Korean Institute of Power Electronics (전력전자학회)
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Development of 12V, 1000A Isolated Bidirectional Resonant DC-DC Converter

12V, 1000A 절연형 양방향 공진형 DC-DC 컨버터 개발

  • Park, Jun-Sung (Dept. of New Energy Eng., Seoul Nat'l Univ. of Science and Technology) ;
  • Choi, Se-Wan (Dept. of Ele -ctrical & Information Eng., Seoul Nat'l Univ. of Science and Technology)
  • Received : 2013.11.04
  • Accepted : 2013.12.09
  • Published : 2014.02.20
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Abstract

In this paper a bidirectional DC-DC converter is proposed for renewable energy systems, eco-friendly vehicles, energy storage systems, uninterruptible power supply(UPS) systems and battery test equipments. The two-stage bidirectional converter employing a fixed-frequency series loaded resonant converter is designed to be capable of operating under zero-current-switching turn on and turn off regardless of voltage and load variation, and hence its magnetic components and EMI filters can be optimized. And efficiencies and volumes of the two-stage bidirectional converters are compared according to configuration of isolated and non-isolated parts and a two-stage topology suitable for low voltage and high current applications is proposed. A 12kW(12V, 1000A) prototype of the proposed converter has been built and tested to verify the validity of the proposed operation.

Keywords

References

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