Super-Twisting Sliding Mode Control Design for Cascaded Control System of PMSG Wind Turbine

- Journal title : Journal of Power Electronics
- Volume 15, Issue 5, 2015, pp.1358-1366
- Publisher : The Korean Institute of Power Electronics
- DOI : 10.6113/JPE.2015.15.5.1358

Title & Authors

Super-Twisting Sliding Mode Control Design for Cascaded Control System of PMSG Wind Turbine

Phan, Dinh Hieu; Huang, ShouDao;

Phan, Dinh Hieu; Huang, ShouDao;

Abstract

This study focuses on an advanced second-order sliding mode control strategy for a variable speed wind turbine based on a permanent magnet synchronous generator to maximize wind power extraction while simultaneously reducing the mechanical stress effect. The control design based on a modified version of the super-twisting algorithm with variable gains can be applied to the cascaded system scheme comprising the current control loop and speed control loop. The proposed control inheriting the well-known robustness of the sliding technique successfully deals with the problems of essential nonlinearity of wind turbine systems, the effects of disturbance regarding variation on the parameters, and the random nature of wind speed. In addition, the advantages of the adaptive gains and the smoothness of the control action strongly reduce the chatter signals of wind turbine systems. Finally, with comparison with the traditional super-twisting algorithm, the performance of the system is verified through simulation results under wind speed turbulence and parameter variations.

Keywords

Maximum power point tracking;Permanent magnet synchronous generator;Sliding mode control;Super-twisting algorithm;Variable wind turbine;

Language

English

Cited by

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