Faculty of technology_PPI
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Browsing Faculty of technology_PPI by Subject "Doubly Fed Induction Generator, Wind Energy, Wind Turbine, Sliding Mode Control, Maximum Power Point Tracking (MPPT)"
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Item Sliding Mode Controls of Active and Reactive Power of a DFIG with MPPT for Variable Speed Wind Energy Conversion(Australian Journal of Basic and Applied Sciences, 2011-12) Bekakra, Youcef; Ben Attous, DThis paper presents the study of a variable speed wind energy conversion system based on a Doubly Fed Induction Generator (DFIG) based on a sliding mode control applied to achieve control of active and reactive powers exchanged between the stator of the DFIG and the grid to ensure a Maximum Power Point Tracking (MPPT) of a wind energy conversion system. The proposed control algorithm is applied to a DFIG whose stator is directly connected to the grid and the rotor is connected to the PWM converter. To extract a maximum of power, the rotor side converter is controlled by using a stator flux-oriented strategy. The created decoupling control between active and reactive stator power allows keeping the power factor close to unity. Simulation results show that the wind turbine can operate at its optimum energy for a wide range of wind speed.