전기학회논문지P (The Transactions of the Korean Institute of Electrical Engineers P)

  • 제58권1호
  • /
  • Pages.38-43
  • /
  • 2009
  • /
  • 1229-800X(pISSN)
  • /
  • 2586-7792(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

오차의 허용범위를 고려한 수동형 필터의 특성 해석

Performance Analysis for Passive Filter Considering Allowable Limits of Tolerance

  • 김종겸 (강릉대학교 전기정보통신공학부) ;
  • 김일증 (호서대학교 번처대학원)
  • 발행 : 2009.03.01
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초록

Reactors are connected with capacitors to passive filter circuits for reducing harmonics caused by power conversion application. This passive filter frequently gets out of order by voltage and current stress. Especially filter reactor has too much voltage harmonics components, its trouble rate is higher than capacitor. In this paper, we analyzed voltage and current of reactor and capacitor used for passive filter by simulation and measurement. If reactor has a tolerance on variation of reactance value, series resonance frequency is different from originally filter design frequency and parallel resonance can be generated at the close point of the former. Because filter absorbs harmonic component of non-linear load, much of harmonic voltage has been impacted on reactor.

키워드

참고문헌

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