Articles | Volume 1, issue 2
Research article
20 Oct 2016
Research article |  | 20 Oct 2016

Periodic stability analysis of wind turbines operating in turbulent wind conditions

Riccardo Riva, Stefano Cacciola, and Carlo Luigi Bottasso


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (26 Jul 2016) by Michael Muskulus
AR by Carlo L. Bottasso on behalf of the Authors (28 Jul 2016)  Author's response   Manuscript 
ED: Publish as is (02 Aug 2016) by Michael Muskulus
ED: Publish as is (09 Sep 2016) by Joachim Peinke (Chief editor)
AR by Carlo L. Bottasso on behalf of the Authors (22 Sep 2016)
Short summary
This paper presents a method to assess the stability of a wind turbine. The proposed approach uses the recorded time history of the system response and fits to it a periodic reduced-order model that can handle stochastic disturbances. Stability is computed by using Floquet theory on the reduced-order model. Since the method only uses response data, it is applicable to any simulation model as well as to experimental test data. The method is compared to the well-known operational modal analysis.
Final-revised paper