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

The Korean Institute of Power Electronics (전력전자학회)
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3-Phase Single Stage AC-DC Converter for Small Wind Turbine System

소형풍력발전을 위한 3상 단일전력단 교류-직류 컨버터

  • Yu-Jin Moon (Dept. of Electrical & Electronics Engineering, Jeonju University) ;
  • Beom-Su Park (Dept. of Electrical & Electronics Engineering, Jeonju University) ;
  • Sang-Kyu Kim (Dept. of Electrical & Electronics Engineering, Jeonju University) ;
  • Eun-Soo Kim (Dept. of Electrical & Electronics Engineering, Jeonju University) ;
  • Deok-Jin Lim (GEUMPOONG Co. Ltd.)
  • Received : 2022.10.11
  • Accepted : 2022.12.12
  • Published : 2023.02.20
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Abstract

This paper proposes a three-phase single-stage AC-DC converter for the small wind generation system. Input power factor improvement and insulated output can be implemented with the proposed three-phase single-stage AC-DC converter under the wide power generation voltage (80-260 Vac) and frequency (10-42 Hz) in a small wind power generation (WPG) system. The proposed converter is also capable of zero-voltage switching in the primary-side switches and zero-current switching in the secondary-side diodes by phase-shift control at a fixed switching frequency. In addition, it is possible to control a wide output voltage (Vo: 39 VDC-60 VDC) by varying the link voltage and improving the input power factor (PF) and the total harmonic distortion factor (THDi). Simulation and experimental results verified the validity of the proposed converter.

Keywords

Acknowledgement

이 논문은 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구임(NRF 2022R1F1A1074862).

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