Large wind turbine edge instability field validation

Dillon M. Volk, Bjarne S. Kallesøe, Scott Johnson, Georg R. Pirrung*, Riccardo Riva, Félix Barnaud

*Corresponding author for this work

Research output: Contribution to journalConference articleResearchpeer-review

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Abstract

Wind turbines can exhibit flutter-like edgewise instabilities past a critical rotor speed. These edgewise instabilities are dominated by an edge-torsion coupling due to flapwise blade deflection. This paper experimentally validates the predicted stability limit of a 7 MW machine. State of the art simulation software is used to compare against recorded test data and characterize the observed flutter mechanism. The critical rotor speed at which the edgewise instabilities occur at in field measurements can be predicted by time domain simulations and stability analysis with very good agreement.
Original languageEnglish
Article number052014
Book seriesJournal of Physics: Conference Series
Volume1618
Issue number5
Number of pages11
ISSN1742-6596
DOIs
Publication statusPublished - 2020
EventTORQUE 2020 - Online event, Netherlands
Duration: 28 Sep 20202 Oct 2020

Conference

ConferenceTORQUE 2020
LocationOnline event
CountryNetherlands
Period28/09/202002/10/2020

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