Nonlinear control of WECS based on PMSG for optimal power extraction

Mohamed Makhad, Malika Zazi, Azeddine Loulijat


This paper proposes a robust control strategy for optimizing the maximum power captured in Wind Energy Conversion Systems (WECS) based on permanent magnet synchronous generators (PMSG), which is integrated into the grid. In order to achieve the maximum power point (MPPT) the machine side converter regulates the rotational speed of the PMSG to track the optimal speed. To evaluate the performance and effectiveness of the proposed controller, a comparative study between the IBC control and the vector control based on PI controller was carried out through computer simulation. This analysis consists of two case studies including stochastic variation in wind speed and step change in wind speed.


Integral backstepping control; MPPT; PMSG; WECS

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ISSN 2088-8708, e-ISSN 2722-2578