Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Integrated Bidirectional Three-Port DC-DC Converter with Ripple-Free Input Current and Soft Switching

  • KhademiAstaneh, Parastou (Technical Engineering Department, University of Mohaghegh Ardabili) ;
  • Javidan, Javad (Technical Engineering Department, University of Mohaghegh Ardabili) ;
  • Valipour, Khalil (Technical Engineering Department, University of Mohaghegh Ardabili) ;
  • Akbarimajd, Adel (Technical Engineering Department, University of Mohaghegh Ardabili)
  • Received : 2018.02.10
  • Accepted : 2018.06.06
  • Published : 2018.09.20
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Abstract

Multiport power converters have recently become popular to researchers and engineers. However, more improvements are required in terms of their soft-switching operation, bidirectional operation, and integration. In this study, a bidirectional three-port three-switch DC-DC converter is proposed. The converter contains a low-current ripple port and ripple-free current port. Through the integrated structure, utilization of a coupled inductor, and a new switching strategy, the aforementioned specifications are achieved. A modified switching strategy is also utilized in the converter, which has resulted in the bidirectional operation of the converter between ports. Finally, a comprehensive analysis is presented, and the converter characteristics are validated by experimental results.

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References

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