Articles | Volume 1, issue 2
Wind Energ. Sci., 1, 177–203, 2016
https://doi.org/10.5194/wes-1-177-2016
Wind Energ. Sci., 1, 177–203, 2016
https://doi.org/10.5194/wes-1-177-2016
Research article
20 Oct 2016
Research article | 20 Oct 2016

Periodic stability analysis of wind turbines operating in turbulent wind conditions

Riccardo Riva et al.

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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.