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Torsional damping considering both shaft and blade flexibilities

Licari, John, Ugalde Loo, Carlos Ernesto, Liang, Jun, Ekanayake, Janaka and Jenkins, Nicholas 2012. Torsional damping considering both shaft and blade flexibilities. Wind Engineering 36 (2) , pp. 181-196. 10.1260/0309-524X.36.2.181

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A three-mass mechanical model that considers both shaft and blade flexibilities was used for the design of a torsional damper to damp drive-train vibrations in a wind turbine. Two torsional dampers were designed: one considering only the drive-train mode and another considering both the drive-train and blade in-plane symmetrical modes. The dampers performance was tested on a simple wind turbine model in Simulink® and then implemented in a more complete model in GH Bladed®. The simulation results on both wind turbine models correlate very well. This result indicates that a three-mass model is a good model for representing the shaft and blade flexibilities for designing a torsional damper. Simulation results show that considering both drive-train and blade in-plane mode frequencies when designing the torsional damper can lead to a better performance in damping torsional vibrations.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TD Environmental technology. Sanitary engineering
Uncontrolled Keywords: renewable energy; wind power
Publisher: Multi Science Publishing
ISSN: 0309-524X
Last Modified: 04 Jun 2017 04:19

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