Abstract
This paper describes a wind energy conversion system (WECS) with a double integral sliding mode controller (DISMC) based on a five-phase permanent magnet synchronous generator (PMSG) linked to the grid through a back-to-back converter (BTBC). A DISMC was used to achieve maximum power point tracking (MPPT). The maximum power is calculated using the machine side converter (MSC) at various wind speeds. The grid side converter (GSC) is used to inject active power into the grid with a unity power factor (UPF). The problems of steady-state error, time response and total harmonics distortion (THD%) are solved by the performance of the suggested controller (DISMC). The various simulation results obtained with MATLAB/SIMULINK show that the recommended control method is successful and superior to that of the classical proportional integral (PI) controller, increasing total WECS efficiency to 93.33% compared to 88% for the PI controller.
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