Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Double-Input DC-DC Converter for Applications with Wide-Input-Voltage-Ranges

  • Hu, Renjun (School of Electric power, South China University of Technology) ;
  • Zeng, Jun (School of Electric power, South China University of Technology) ;
  • Liu, Junfeng (School of Automation Science and Engineering, South China University of Technology) ;
  • Yang, Jinming (School of Electric power, South China University of Technology)
  • Received : 2018.02.24
  • Accepted : 2018.07.01
  • Published : 2018.11.20
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Abstract

The output power of most facilities for renewable energy generation is unstable due to external environmental conditions. In distributed power systems with two or more sources, a stable output can be achieved with the complementary power supply among the different input sources. In this paper, a double-input DC-DC converter with a wide-input-voltage-range is proposed for renewable energy generation. This converter has the following advantages: the circuit is simple, and the input voltage range is wide and the fault tolerance is excellent. The operation modes and the steady-state analysis are examined. Finally, experimental results are illustrated to verify the correctness of the analysis and the feasibility of the proposed converter.

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References

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