Nonlinear wind turbine control under wind speed variation and voltage dips
Abdelhaq Amar bensaber Mustapha Benghanem Abdelmadjid Guerouad Mohammed Amar bensaber
electrical machines and drives
Doubly Fed Induction Generator is an attractive solution in variable wind turbines[1, 2] because of its features like lessening losses, minimum cost, an improved efficiency and power control capabilities. Traditionally the control is based on PI controller which is advisable just for linear systems. However, wind turbines components work as nonlinear systems where electromechanical parameters change frequently , thus, a SOMC is proposed and then a modest function to smooth control signal is introduced which will improve power fineness, minimize the chattering and ameliorate respond time, deal with grid requirements. Matlab tests are introduced and compared.
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