Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Two-Switch Non-Isolated Step-Up DC-DC Converter

  • Nguyen, Minh-Khai (Department of Electrical Engineering, Chosun University) ;
  • Choi, Youn-Ok (Department of Electrical Engineering, Chosun University) ;
  • Cho, Geum-Bae (Department of Electrical Engineering, Chosun University) ;
  • Lim, Young-Cheol (Department of Electrical Engineering, Chonnam National University)
  • Received : 2017.06.17
  • Accepted : 2017.11.01
  • Published : 2018.05.20
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Abstract

This paper suggests a new non-isolated high voltage gain DC-DC converter with two switches. The proposed two-switch converter has the following characteristics: a high voltage gain, a continuous input current with a small ripple, a reduction in the size of the inductor, and a simple circuit with only a few elements. A theoretical analysis, guidelines for parameter selection, and a comparison with conventional non-isolated high step-up converters are presented. A prototype of 250 W is set up to demonstrate the correctness of the proposed converter. Results obtained from simulations and experiments are presented.

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References

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