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

  • 제25권1호
  • /
  • Pages.44-53
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  • 2020
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  • 1229-2214(pISSN)
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  • 2288-6281(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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무선전력충전시스템을 위한 브리지리스 단일전력단 교류-직류 컨버터

A Bridgeless Single Stage AC-DC Converter for Wireless Power Charging System

  • Kim, Min-Ji (Electrical & Electronics Engineering, Jeonju University) ;
  • Yoo, Sang-Jae (Electrical & Electronics Engineering, Jeonju University) ;
  • Yoo, Kyung-Jong (Electrical & Electronics Engineering, Jeonju University) ;
  • Woo, Jung-Won (Electrical & Electronics Engineering, Jeonju University) ;
  • Kim, Eun-Soo (Electrical & Electronics Engineering, Jeonju University) ;
  • Hwang, In-Gab (Electrical & Electronics Engineering, Jeonju University)
  • 투고 : 2019.10.03
  • 심사 : 2020.01.06
  • 발행 : 2020.02.20
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초록

A bridgeless single-stage AC-DC converter for wireless power charging systems is proposed. This converter is composed of a PFC stage and a three-level hybrid DC-DC stage. The proposed converter can control the wide output voltage (200-450 VDC) by the variable link voltage and the pulse-width voltage applied to the primary resonant circuit due to the phase-shifted modulation at a fixed switching frequency. Moreover, the input power factor and the total harmonic distortion can be improved by using the proposed converter. A 1 kW prototype was fabricated and validated through experimental results and analysis.

키워드

참고문헌

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