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Damping of torsional vibrations in a variable-speed wind turbine

Licari, John, Ugalde Loo, Carlos Ernesto, Ekanayake, Janaka and Jenkins, Nicholas 2013. Damping of torsional vibrations in a variable-speed wind turbine. IEEE Transactions on Energy Conversion 28 (1) , pp. 172-180. 10.1109/TEC.2012.2224868

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Abstract

Torsional dampers are employed in wind turbines to damp vibrations in the drive-train. The conventional design is based on band-pass filters (BPF); however, its effectiveness can be compromised due to parametric uncertainty. To restore the performance of the damper, it is a common practice to re-tune it during the commissioning of wind turbines. To overcome this shortcoming, a model-based torsional damper was designed and its performance compared to the conventional approach when subjected to model uncertainty. A stability analysis was conducted and simulations were performed in Simulink. A real-time hardware-in-the-loop experiment was carried out, with experimental and simulation results showing good agreement. The proposed model-based torsional vibration damper showed a superior performance over the conventional BPF-based approach. Results also showed that the model-based damper can eliminate the need for retuning procedures associated with BPF-based designs.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TD Environmental technology. Sanitary engineering
Uncontrolled Keywords: Band-pass filter (BPF); Kalman filter (KF); model based; real-time implementation; stability; torsional vibration damper; uncertainty; wind turbine
Publisher: Institute of Electrical and Electronics Engineers
ISSN: 0885-8969
Funders: Cardiff University
Last Modified: 04 Jun 2017 04:39
URI: http://orca-mwe.cf.ac.uk/id/eprint/42342

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