Variable speed control of wind turbines using nonlinear and adaptive algorithms

Automatic control represents one of the most important factors responsible for the efficiency and reliability of wind power conversion systems. Thus far, only a few isolated applications of conventional control to wind power systems have appeared in the literature. To make wind power generation trul...

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Bibliographic Details
Published in:Journal of wind engineering and industrial aerodynamics 2000-04, Vol.85 (3), p.293-308
Main Authors: Song, Y.D., Dhinakaran, B., Bao, X.Y.
Format: Article
Language:English
Subjects:
Adaptive algorithms
Adaptive control
Control system analysis
Electric windings
Multivariable control systems
Nonlinear control
Nonlinear control systems
Speed control
Stability
System stability
Variable speed control
Wind turbine
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Summary:Automatic control represents one of the most important factors responsible for the efficiency and reliability of wind power conversion systems. Thus far, only a few isolated applications of conventional control to wind power systems have appeared in the literature. To make wind power generation truly cost-effective and reliable, advanced control techniques are imperative. In this paper we develop a control scheme for wind turbine using nonlinear and adaptive control theory. Based on both mechanical and electrical dynamics, nonlinear and adaptive control algorithms are derived to on-line adjust the excitation winding voltage of the generator. This method is shown to be able to achieve smooth and asymptotic rotor speed tracking, as justified by both analysis and computer simulation.
ISSN:0167-6105
1872-8197
DOI:10.1016/S0167-6105(99)00131-2