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Power Quality Impacts of an Electric Arc Furnace and Its Compensation
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  • Power Quality Impacts of an Electric Arc Furnace and Its Compensation
  • Power Quality Impacts of an Electric Arc Furnace and Its Compensation
저자명
Esfandiari. Ahmad,Parniani. Mostafa,Mokhtari. Hossein
간행물명
Journal of electrical engineering & technology
권/호정보
2006년|1권 2호|pp.153-160 (8 pages)
발행정보
대한전기학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

This paper presents a new compensating system, which consists of a shunt active filter and passive components for mitigating voltage and current disturbances arising from an Electric Arc Furnace (EAF). A novel control strategy is presented for the shunt active filter. An extended method based on instantaneous power theory in a rotating reference frame is developed for extraction of compensating signals. Since voltages at the point of common coupling contain low frequency interharmonics, conventional methods cannot be used for dc voltage regulation. Therefore, a new method is introduced for this purpose. The passive components limit the fast variations of load currents and mitigate voltage notching at the Point of Common Coupling (PCC). A three-phase electric arc furnace model is used to show power quality improvement through reactive power and harmonic compensation by a shunt active filter using the proposed control method. The system performance is investigated by simulation, which shows improvement in power quality indices such as flicker severity index.