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논문 기본 정보

자료유형
학술저널
저자정보
Bhim Shingh (Indian Institute of Technology) Vipin Garg (Indian Institute of Technology) G. Bhuvaneshwari
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.3 No.2
발행연도
2008.6
수록면
152 - 161 (10page)

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This paper deals with a new waveshaping technique for cost effective harmonic mitigation in ac-dc converter feeding Vector Controlled Induction Motor Drives (VCIMD's) for improving power quality at the point of common coupling (PCC). The proposed harmonic mitigator consists of a polygon connected autotransformer based twelve-pulse ac-dc converter and a small rating passive shunt filter tuned for 11<SUP>th</SUP> harmonic frequency. This ac-dc converter eliminates the most dominant 5<SUP>th</SUP>, 7<SUP>th</SUP>, and nth harmonics and imposes the reduction of other higher order harmonics from the ac main current, thereby improving the power quality at ac mains. The design of autotransformer is carried out for the proposed ac-dc converter to make it suitable for retrofit applications, where presently a 6-pulse ac-dc converter is used. The effect of load variation on VCIMD is also studied to demonstrate the effectiveness of the proposed ac-dc converter in a wide operating range of the drive. Experimental results obtained on the developed laboratory prototype of the proposed harmonic mitigator are used to validate the model and design of the ac-dc converter.

목차

Abstract
1. Introduction
2. Analysis and Design of Propesed Harmonic Mitigator
3. MATLAB Based Model
4. Experimentation
5. Results and Discussion
6. Conclusions
Appendix
References

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