Torsional damping considering both shaft and blade flexibilities

Licari, John, Ugalde Loo, Carlos Ernesto ORCID: https://orcid.org/0000-0001-6361-4454, Liang, Jun ORCID: https://orcid.org/0000-0001-7511-449X, Ekanayake, Janaka ORCID: https://orcid.org/0000-0003-0362-3767 and Jenkins, Nicholas ORCID: https://orcid.org/0000-0003-3082-6260 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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Abstract

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:	21 Oct 2022 09:34
URI:	https://orca.cardiff.ac.uk/id/eprint/36935

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