Sliding Mode Control Scheme of Variable Speed Wind Energy Conversion System Based on the PMSG for Utility Network Connection

  • Youssef Errami
  • Mohammed Ouassaid
  • Mohamed Cherkaoui
  • Mohamed Maaroufi
Part of the Studies in Computational Intelligence book series (SCI, volume 576)


The study of a Variable Speed Wind Energy Conversion System (VS-WECS) based on Permanent Magnet Synchronous Generator (PMSG) and interconnected to the electric network is presented. The system includes a wind turbine, a PMSG, two converters and an intermediate DC link capacitor. The effectiveness of the WECS can be greatly improved by using an appropriate control. Furthermore, the system has strong nonlinear multivariable with many uncertain factors and disturbances. Accordingly, the proposed control law combines Sliding Mode Variable Structure Control (SM-VSC) and Maximum Power Point Tracking (MPPT) control strategy to maximize the generated power from Wind Turbine Generator (WTG). Considering the variation of wind speed, the grid-side converter injects the generated power into the AC network, regulates DC-link voltage and it is used to achieve unity power factor, whereas the PMSG side converter is used to achieve Maximum Power Point Tracking (MPPT). Both converters used the sliding mode control scheme considering the variation of wind speed. The employed control strategy can regulate both the reactive and active power independently by quadrature and direct current components, respectively. With fluctuating wind, the controller is capable to maximize wind energy capturing. This work explores a sliding mode control approach to achieve power efficiency maximization of a WECS and to enhance system robustness to parameter variations. The performance of the system has been demonstrated under varying wind conditions. A comparison of simulation results based on SMC and PI controller is provided. The system is built using Matlab/Simulink environment. Simulation results show the effectiveness of the proposed control scheme.


Wind Turbine Slide Mode Control Proportional Integral Maximum Power Point Tracking Direct Torque Control 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Youssef Errami
    • 1
  • Mohammed Ouassaid
    • 2
  • Mohamed Cherkaoui
    • 3
  • Mohamed Maaroufi
    • 3
  1. 1.Department of Physical, Faculty of ScienceUniversity Chouaib DoukkaliEljadidaMorocco
  2. 2.Department of Industrial EngineeringEcole Nationale des Sciences Appliquées-Safi, Cadi Ayyad UniversitySafiMorocco
  3. 3.Department of Electrical EngineeringEcole Mohammadia D’Ingénieur, Mohammed V-Agdal UniversityRabatMorocco

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