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Title Variable speed wind turbines with maximum power extraction using singular perturbation theory
Type JournalPaper
Keywords Wind turbine Singular perturbation Optimal control
Abstract This study proposes applying the singular perturbation theory for developing a model to determine the maximum power from a WECS (wind energy conversion system). Singular perturbation theory decomposes a dynamic system into a reduced-order subsystem comprised of slow and fast time scales. The optimal controller is designed and applied to the original system to achieve maximum power from a variable speed wind turbine. This control strategy is compared to PID (proportional-integral-derivative) and fuzzy controllers based on the TSR (Tip Speed Ratio) method. Simulations using MATLAB/Simulink confirm the effectiveness of the proposed control.
Researchers (Second Researcher), Soheil Ganjefar (First Researcher)