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Study of Power Quality Improvement Using UPQC


Anupama Kulkarni, R. S. Desai
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This paper describes role of UPQC as applied to a 3P4W system to improve PQ. The Forth wire of 3P4W system is developed by means of neutral of series transformer. Neutral current which flows through neutral terminal of transformer is removed with the help of 4 leg voltage source inverter (VSI) topology for shunt part. The series transformer neutral will have 0 potential in all conditions of operation. Simulation is carried out by considering the major PQ issues like voltage, current, harmonic by connecting load which is nonlinear in nature to 3P4W scheme with UPQC. A novel control strategy of unit vector template is implemented here for designing series APF. By extending the principle of single phase PQ theory, series APF can be used for balancing the unbalanced voltage present at the load side. The PQ theory as applied to the 3 phase balanced system can even be independently used for unbalanced system.

Anupama Kulkarni, R. S. Desai


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Publication Details

Published in : Volume 2 | Issue 3 | May-June - 2016
Date of Publication Print ISSN Online ISSN
2016-06-30 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
947-950 IJSRSET1623246   Technoscience Academy

Cite This Article

Anupama Kulkarni, R. S. Desai, "Study of Power Quality Improvement Using UPQC", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 3, pp.947-950, May-June-2016.
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