대한전기학회논문지:전기기기및에너지변환시스템부문B (The Transactions of the Korean Institute of Electrical Engineers B)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

360Hz DC 리플-전압 감소기법을 사용한 3-Phase Soft-Switched Buck Converter

A 360Hz DC Ripple-Voltage Suppression Scheme in Three-Phase Soft-Switched Buck Converter

  • Choi, Ju-Yeop (Dept.of Electrical Engineering, Kwangwoon University) ;
  • Ko, Jong-Jin (Dept.of Electrical Engineering, Kwangwoon University) ;
  • Song, Joong-Ho (Korea Institute of Science and Technology) ;
  • Choy, Ick (Korea Institute of Science and Technology) ;
  • Jeong, Seung-Gi (Dept.of Electrical Engineering, Kwangwoon University)
  • 발행 : 2000.12.01
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초록

A technique to suppress the low frequency ripple voltage of the DC output in three phase buck diode converter is presented in this paper. The proposed pulse frequency modulation methods and duty ratio modulation methods are employed to regulate the output voltage of the buck diode converter and guarantee zero-current-switching(ZCS) of the switch over the wide load range. The proposed control methods used in this paper provide generally good performance such as low THD of the input line current and unity power factor. In addition, control methods can be effectively used to suppress the low frequency ripple voltage appeared in the dc output voltage. The harmonic injection technique illustrates its validity and effectiveness through the simulations and experiments.

키워드

참고문헌

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