대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

멀티레벨 스위칭 회로를 이용한 트렌스리스형 계통 연계 인버터의 동작 특성

Operation Characteristic of Transless type Grid-connected Inverter using Multi-level Switching circuit

  • 김주용 (경남대학교 전기공학과) ;
  • 노쾌협 (경남대학교 전기공학과) ;
  • 정태욱 (경남대학교 전기공학과)
  • Kim, Ju-Yong (Department of Electrical Engineering, Kyungnam University) ;
  • No, Kwae-Hyeop (Department of Electrical Engineering, Kyungnam University) ;
  • Jung, Tae-Uk (Department of Electrical Engineering, Kyungnam University)
  • 발행 : 2008.07.16
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초록

In this paper, Switching damage of switches that is used to proposed power conversion system is reduced by soft switching way. dissipation by part resonance and my resonance stress for resonance of resonance circuit are decreased. Is acted by conversion system high effectiveness. Have following characteristic. Design snubber circuit that is used by switch protection in existent hard work rate Topology by resonant circuit for sogt switching, circuit structure was simple and control system is easy. Also, Can generate free output voltage by multi level Tuesday of output that use individuation Power Cell's Phase Shift PWM, and Low-end switching frequency the harmonic is few.

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