대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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손실을 최소화한 새로운 영전류 스위칭 방식의 PWM 컨버터

New Zero-Current-Switching PWM Converters with Low Switching Loss

  • Ma, Keun-Su (Dept. of Electrical Engineering, Chungnam National University) ;
  • Kim, Yang-Mo (Dept. of Electrical Engineering, Chungnam National University)
  • 발행 : 2000.07.17
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초록

In conventional zero-current-switching(ZCS) PWM converters, the switching loss, stress and noise can't be minimized because they adopt auxiliary switches operated in hard-switching. In this paper, new ZCS-PWM converters of which auxiliary switches always operate with soft-switching are proposed. Therefore, the proposed ZCS-PWM converters are most suitable for systems requiring high-power density. The characteristics of these converters are verified by results of simulation.

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