Improved Power Control for an Isolated DFIG based WECS
2019
This article, present a new contribution to the control of wind energy systems, a robust nonlinear
control of active and reactive power with the use of the Backstepping and Sliding Mode Control approach based
on a doubly fed Induction Generator power (DFIG-Generator) in order to reduce the response time of the wind
system. In the first step, a control strategy of the MPPT for the extraction of the maximum power of the turbine
generator is presented. Subsequently, the Backstepping control technique followed by the sliding mode applied
to the wind systems will be presented. These two types of control system rely on the stability of the system using
the LYAPUNOV technique. Simulation results show performance in terms of set point tracking, stability and
robustness versus wind speed variation.
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