Improvement of Voltage Profile by Series Active Filter in Grid-Connected PV System
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Voltage fluctuation and harmonics in voltage has been the most significant issue since the inception of renewable energy system into the grid network. Besides this, the fluctuating pattern of load also makes worse the voltage profile. Under such circumstances, the use of custom power device in the form of Series Active Filter becomes the answer to the problem. The main objective of this work is to improve the voltage profile through Series Active Filter implementing Sinusoidal current control strategy. The strategy is a time-domain control strategy based on instantaneous pq-theory. The control strategy has been elaborated here in detail and has been implemented using MATLAB 2016A. The results have been given and described in detail explaining the efficacy of the above control strategy. Since the implemented strategy is a simple and effective control strategy, it has tremendous potential for application in the Distributed Generation oriented system.
KeywordsPower quality Series active filter Sinusoidal current control strategy
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