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An Output Regulation-Based Unified Power Quality Conditioner With Kalman Filter

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Author(s): J.Rajasekaran #1 R.M. Sasiraja

Journal: International Journal of Engineering Trends and Technology
ISSN 2231-5381

Volume: 4;
Issue: 7;
Start page: 3012;
Date: 2013;
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Keywords: Unified Power Quality | reactive power | harmonic pollution | power-factor correction | load balancing | voltage sag/swell.

ABSTRACT
Power Quality is characterized by parameters that express harmonic pollution, reactive power and load unbalance. The best possible solutions to these problems are reviewed and their control systems are elaborated on. Solutions present in the field are explained and field results are presented. It is shown that by using the right technology a variety of Power Quality problems can be solved rendering installations trouble free and more efficient, and can render them compliant with even the strictest requirements. Different applications of a Unified Power Quality (UPQC) for the improvement in power quality are presented. In addition to the power-factor correction, load balancing and mitigation of voltage and current harmonics, it can regulate the load voltage against voltage sag/swell and voltage dip in a three-phase three-wire distribution system for different combinations of linear and nonlinear loads.

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