American Journal of Engineering and Applied Sciences

Pitch Angle Control of Variable Speed Wind Turbine

Yousif El-Tous

DOI : 10.3844/ajeassp.2008.118.120

American Journal of Engineering and Applied Sciences

Volume 1, Issue 2

Pages 118-120


The aim of this study is to design a simple controller to maximize the extracted energy of wind turbines. In this study the pitch angle control of variable speed wind turbine is investigated. In particular, it concentrates on the extraction of maximum available energy, reduction of torque and output power variations, which gives stresses in the gearbox and mechanical structure. The control concentrates on separate wind speed internals as well as on whole wind speed region. It is found that the control structures varies substantially between the wind speed regions. Two different control systems are compared. The results show that pitch actuator with three levels of pitching speed have better response.


© 2008 Yousif El-Tous. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.