Publication Details

Wind energy has become one of the most promising renewable energy sources due to increasing energy demand and environmental concerns. Doubly Fed Induction Generator (DFIG) based Wind Energy Conversion Systems (WECS) are widely used because of their ability to operate at variable speeds and provide efficient power generation. This paper presents a control strategy for reducing the cost of reactive power compensation in DFIG wind turbine systems using an optimized grid filter. The proposed system utilizes the Grid Side Converter (GSC) for harmonic compensation and reactive power support while the Rotor Side Converter (RSC) is used for maximum power extraction. The system is capable of operating as a STATCOM even when the wind turbine is inactive. MATLAB/Simulink simulations are performed to validate the performance under varying wind speeds and load conditions. The results show improved power quality, reduced harmonic distortion, and efficient reactive power management.