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http://dx.doi.org/10.5293/kfma.2012.15.2.036

An Effect of Pitch Gain-Scheduling on Shaft Vibration Response of Wind Turbine  

Lim, Chae-Wook (한밭대학교 기계공학과)
Jo, Jun-Chul (한밭대학교 기계공학과 대학원)
Publication Information
The KSFM Journal of Fluid Machinery / v.15, no.2, 2012 , pp. 36-40 More about this Journal
Abstract
Pitch control of wind turbine is activated above rated wind speed for the purpose of rated power regulation. When we design pitch controller, its gain-scheduling is essential due to nonlinear characteristics of aerodynamic torque. In this study, 2-mass model including a vibration mode of drive-train for a 2 MW wind turbine is considered and pitch control with gain-scheduling using a linearization analysis of the nonlinear aerodynamic torque is applied. Some simulation results for the pitch gain-scheduling under step wind speed are presented and investigated. It is shown that gain-scheduling in pitch control is important especially in the region of high wind speeds when there exists a vibration mode of drive-train.
Keywords
Wind Turbine; Pitch Control; Pitch Gain-Scheduling; 2-Mass Model; Drive-Train; Vibration; High Wind Speed; Staility;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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