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

The Korean Institute of Power Electronics (전력전자학회)
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A New Multi Level High Gain Boost DC-DC Converter with Wide Input Voltage Range and Reduced Stress Voltage Capability

넓은 입력 전압 범위와 감소된 스트레스 전압 기능성을 갖는 새로운 승압형 멀티레벨 DC-DC 컨버터

  • Anvar, Ibadullaev (Dept. of Electrical Engineering, Chonnam Nat'l University) ;
  • Park, Sung-Jun (Dept. of Electrical Engineering, Chonnam Nat'l University)
  • Received : 2019.12.30
  • Accepted : 2020.02.19
  • Published : 2020.04.20
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Abstract

The use of high-gain-voltage step-up converters for distributed power generation systems is being popularized because of the need for new energy generation and power conversion technologies. In this study, a new constructed high-gain-boost DC-DC converter was proposed to coordinate low voltage output DC sources, such as PV or fuel cell systems, with high DC bus (380 V) lines. Compared with traditional boost DC-DC converters, the proposed converter can create higher gain and has wider input voltage range and lower voltage stress for power semiconductors and passive elements. Moreover, the proposed topology produces multilevel DC voltage output, which is the main advantage of the proposed topology. Steady-state analysis in continuous conduction mode of the proposed converter is discussed in detail. The practicability of the proposed DC-DC converter is presented by experimental results with a 300 W prototype converter.

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References

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