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Improvement of Output Linearity of Matrix Converters with a General R-C Commutation Circuit
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  • Improvement of Output Linearity of Matrix Converters with a General R-C Commutation Circuit
  • Improvement of Output Linearity of Matrix Converters with a General R-C Commutation Circuit
저자명
Choi. Nam-Sup,Li. Yulong,Han. Byung-Moon,Nho. Eui-Cheol,Ko. Jong-Sun
간행물명
Journal of power electronics : JPE
권/호정보
2009년|9권 2호|pp.232-242 (11 pages)
발행정보
전력전자학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In this paper, a matrix converter with improved low frequency output performance is proposed by achieving a one-step commutation owing to a general commutation circuit applicable to n-phase to m-phase matrix converters. The commutation circuit consists of simple resister and capacitor components, leading to a very stable, reliable and robust operation. Also, it requires no extra sensing information to achieve commutation, allowing for a one-step commutation like a conventional dead time commutation. With the dead time commutation strategy applied, the distortion caused by commutation delay is analyzed and compensated, therefore leading to better output linear behavior. In this paper, detailed commutation procedures of the R-C commutation circuit are analyzed. A selection of specific semiconductor switches and commutation circuit components is also provided. Finally, the effectiveness of the proposed commutation method is verified through a two-phase to single-phase matrix converter and the feasibility of the compensation approach is shown by an open loop space vector modulated three-phase matrix converter with a passive load.