Enhancement of Power Quality by the Combination of D-STATCOM and UPQC in Grid Connected to Wind Turbine System
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Due to concern on the environment protection, eco-friendly technology is developed in different kinds of delicate and micro-scale non-conventional energy sources in our everyday life. In this paper, the WES generates power and voltage at PCC instantaneously with the grid, which is then simulated by considering the power quality problems occurring in grid system. To mitigate power quality issues, combination of D-STATCOM and UPQC is used. The goal of this study is concerned on power quality issues, i.e., voltage/current fluctuation, flickers, harmonic caused by WES and FACTS device. In this paper, the parameters like voltage/current sag/swell are analyzed and simulated in SIMULINK/MATLAB software.
KeywordsWind energy system (WES) Battery energy storage system (BESS) Distributed static compensator (D-STATCOM) Unified power quality compensator (UPQC) Total harmonic distortion (THD) Point of common coupling (PCC) Current-controlled voltage source (CCVS)
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