Journal of Power Electronics

  • 제12권2호
  • /
  • Pages.258-267
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  • 2012
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  • 1598-2092(pISSN)
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  • 2093-4718(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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Analysis, Design and Implementation of an Interleaved Single-Stage AC/DC ZVS Converters

  • Lin, Bor-Ren (Dept. of Electrical Eng., National Yunlin University of Science and Technology) ;
  • Huang, Shih-Chuan (Dept. of Electrical Eng., National Yunlin University of Science and Technology)
  • 투고 : 2011.08.12
  • 발행 : 2012.03.20
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초록

An interleaved single-stage AC/DC converter with a boost converter and an asymmetrical half-bridge topology is presented to achieve power factor correction, zero voltage switching (ZVS) and load voltage regulation. Asymmetric pulse-width modulation (PWM) is adopted to achieve ZVS turn-on for all of the switches and to increase circuit efficiency. Two ZVS half-bridge converters with interleaved PWM are connected in parallel to reduce the ripple current at input and output sides, to control the output voltage at a desired value and to achieve load current sharing. A center-tapped rectifier is adopted at the secondary side of the transformers to achieve full-wave rectification. The boost converter is operated in discontinuous conduction mode (DCM) to automatically draw a sinusoidal line current from an AC source with a high power factor and a low current distortion. Finally, a 240W converter with the proposed topology has been implemented to verify the performance and feasibility of the proposed converter.

키워드

참고문헌

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피인용 문헌

  1. Single-Power-Conversion Series-Resonant AC-DC Converter with High Efficiency vol.21, pp.3, 2016, https://doi.org/10.6113/TKPE.2016.21.3.224