DFIG-Based Wind Turbine Robust Control Using High-Order Sliding Modes and a High Gain Observer

Beltran, Brice; Benbouzid, Mohamed; Ahmed-Ali, Tarek; Mangel, Hervé
June 2011
International Review on Modelling & Simulations;Jun2011, Vol. 4 Issue 3, p1148
Academic Journal
This paper deals with the power generation control in variable speed wind turbines. In this context, a control strategy is proposed to ensure power extraction optimization of a DFIG-based wind turbine. The proposed control strategy combines an MPPT using a high gain observer and second-order sliding mode for the DFIG control. This strategy presents attractive features such as chattering-free behavior, finite reaching time, robustness and unmodeled dynamics (generator and turbine). The overall strategy has been validated on a 1.5-MW three-blade wind turbine using the NREL wind turbine simulator FAST.


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