Power Quality Improvement of A Grid Connected Wind Energy System Using STATCOM-Control

Power Systems

When we inject wind power into an electric grid affects the power quality, The performance of the wind turbine and there by power quality. The paper study demonstrates the power quality problem due to installation of wind turbine with the grid. In this proposed scheme Static Compensator (STATCOM) is connected at a point of common coupling with a battery energy storage system (BESS) to mitigate the power quality issues. However, the generated power from renewable energies is always fluctuating due to environmental status. Energy storage system is indispensable to compensate these fluctuating components. Energy capacitor system (ECS) connected an electric double layer capacitor (EDLC) with power-electronics devices is useful for the compensation of fluctuating power since one is capable of controlling both active and reactive power simultaneously. The battery energy storage is integrated wind turbine in the grid system concerning the power quality measurements are-the active power, reactive power, variation of voltage, flicker and harmonics to sustain the real power source under fluctuating wind power. The STATCOM control scheme for the grid connected wind energy generation system for power quality improvement is simulated using MATLAB/SIMULINK in power system block set. The effectiveness of the proposed scheme relives the main supply source from the reactive power demand of the load and the induction generator.

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