Modal frequency and damping estimation of wind turbines: analysis of a wind farm

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dc.contributor.authorLegaz Catena, Asier
dc.contributor.authorZivanovic, Miroslav
dc.contributor.authorIriarte Goñi, Xabier
dc.contributor.authorPlaza Puértolas, Aitor
dc.contributor.authorCarlosena García, Alfonso
dc.contributor.departmentIngeniería Eléctrica, Electrónica y de Comunicaciónes_ES
dc.contributor.departmentIngeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritzaeu
dc.contributor.departmentInstitute of Smart Cities - ISCeu
dc.contributor.departmentIngenieríaes_ES
dc.contributor.departmentIngeniaritzaeu
dc.date.accessioned2024-12-11T14:16:11Z
dc.date.issued2024-06-22
dc.date.updated2024-12-11T14:11:01Z
dc.description.abstractIn this paper, we present an in-depth analysis carried out on several units of the same Wind Turbine (WT) model installed in a wind farm. We have collected simultaneous data under several different operating conditions ranging from the idling state to nominal power close to cut-out. Both frequency and damping parameters have been estimated for the first and second Fore-Aft (FA) and Side-Side (SS) tower modes. As far as we know, there are no previous publications combining data from so many turbines, operating conditions, and for a time period spanning several months. We have made use of a novel strategy to isolate the modes and minimize the influence of harmonics, using an algorithm previously proposed by the authors. The main conclusion is that estimated modal frequencies allow for a clear discrimination between turbines, whereas damping ratios, subjected to much wider deviations, do not seem to be very discriminant. We show here results for only one operating mode (nominal power), for which the method has been tuned. The analysis of other operating modes and longer periods, now under consideration, will allow for more conclusive results.en
dc.description.sponsorshipThis paper has been supported by the Spanish Research Agency, and the EU/PTR Next Generation Funds under grants TED2021-131052B-C21, and PID2022-138491OB-C32.
dc.embargo.lift2025-06-22
dc.embargo.terms2025-06-22
dc.format.mimetypeapplication/pdfen
dc.identifier.citationLegaz, A., Zivanovic, M., Iriarte, X., Plaza, A., Carlosena, A. (2024) Modal frequency and damping estimation of wind turbines: analysis of a wind farm. In Rainieri, C., Gentille, C., Aenlle López M. (Eds.), 10th International Operational Modal Analysis Conference (IOMAC 2024) (pp. 595-605). Springer. https://doi.org/10.1007/978-3-031-61425-5_57
dc.identifier.doi10.1007/978-3-031-61425-5_57
dc.identifier.isbn8-303161424-8
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/52695
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofIn Rainieri, C.; Gentille, C.; Aenlle López, M. (Eds.). 10th International Operational Modal Analysis Conference (IOMAC 2024). Cham: Springer; 2024. p. 595-605
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-138491OB-C32/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/TED2021-131052B-C21/
dc.relation.publisherversionhttps://doi.org/10.1007/978-3-031-61425-5_57
dc.rights© 2024 The Author(s), under exclusive license to Springer Nature Switzerland AG.
dc.rights.accessRightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectHarmonic removalen
dc.subjectModal analysisen
dc.subjectOMAen
dc.subjectWind farmen
dc.subjectWind turbinesen
dc.titleModal frequency and damping estimation of wind turbines: analysis of a wind farmen
dc.typeinfo:eu-repo/semantics/conferenceObject
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dspace.entity.typePublication
relation.isAuthorOfPublicationdc2b0e94-3db8-470e-8912-58ae1b092ba7
relation.isAuthorOfPublicatione7d5cd2e-5e19-4ef9-ba9b-7e3505379d96
relation.isAuthorOfPublication236809d6-78a4-4e83-b534-b3981785886e
relation.isAuthorOfPublication5496a010-31bd-4211-ab51-c8f575a8545e
relation.isAuthorOfPublication.latestForDiscoverydc2b0e94-3db8-470e-8912-58ae1b092ba7

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