전력전자학회:학술대회논문집 (Proceedings of the KIPE Conference)

전력전자학회 (The Korean Institute of Power Electronics)
권호 표지

전원전압의 불평형 및 왜곡에 강인한 3상 4선식 전력용 능동 필터의 설계

A design for a robust active power filter in unbalanced and distortion source voltages in three-phase four-wire systems

  • 민준기 (충북대학교 전기전자공학부) ;
  • 최재호 (충북대학교 전기전자공학부) ;
  • 김효성 (천안공업대학 제어계측과) ;
  • 김경환 (이화전기(주))
  • Min J.K. (Chungbuk Univ. School of Electric & Electronic Eng.) ;
  • Choi J.H. (Chungbuk Univ. School of Electric & Electronic Eng.) ;
  • Kim H.S. (Cheonan Technical College Dept. of Control & Measurement) ;
  • Kim K.H. (Ehwa Electric Co. Ltd.)
  • 발행 : 2003.07.01
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초록

This paper proposed a novel current control strategy on active power filters using p-q-r instantaneous power theory which can compensate the line current harmonics and the neutral line current in unbalanced and/or distorted source conditions in three-phase four-wire systems. The proposed current control method is based on a sinusoidal PWM for fully-digital implementation which was compared with a hysteresis PWM. Simulation results showed good performance of the proposed current control strategy on shunt type APFs.

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