International Journal of Advances in Electronics and Computer Science ( IJAECS )
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Publisher:IRAJ
ISSN (p): 2394-2835
Issues /Year :12
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Paper Detail


Paper Title
Design And Simulation Of Custom Power Device Forpowerquality Improvement In Power System

Abstract
Abstract-This paper objective is to stabilize the voltage by compensating power quality problems. The various power quality disturbances are transients, interruptions, voltage sag, voltage swell, voltage collapse, harmonics etc. Cascaded Multilevel Converter based DVR is used for harmonics control.. This work proposes the enhancement of power transfer capability and maintaining unity power factor. Relative Harmonie analysis is also discussed based on the total harmonie distortion (THD) calculations and reducing the transients power fluctuations at the distribution side. Now days the use of sensitive electronic equipment has increase which has lead to power quality problems. Dynamic voltage restorer (DVR) is a custom power device used for the Compensation of voltage sag and swell.Power quality problem is an occurrence manifested as a non-standard voltage, current or frequency. One of the major problems dealt here is the voltage sag. Dynamic Voltage Restorer provides a cost effective solution for protection of sensitive loads from voltage sags currents, although the applied voltage being sinusoidal. MATLAB/SIMULINK tool is used for evaluating the performance of the proposed control scheme.In this paper we are concentrated to overcome sag, swell harmonics,flickers and transients and finally we compared the powerfactor at load side with and without DVR. Keywords- DVR, MLI, Power-Factor Correction, Powersystem, Total Harmonic Distortion (THD)


Author - N.Eashwaramma, J.Praveen, M.Vijayakumar

Published : Volume-2, Issue-8  ( Aug, 2015 )


DOIONLINE Number - IJAECS-IRAJ-DOIONLINE-2782   View Here

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| Published on 2015-08-08
   
   
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