Stability analysis of wind turbines with bend-twist coupled blades

Publication: Research - peer-reviewConference article – Annual report year: 2018

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Over the last years, bend-twist coupling (BTC) has become one of the most important passive load reduction techniques in wind turbine blades. The kind and amount of BTC is often decided on the basis of the load reduction, often forgetting the related stability implications. In this work we perform the stability analysis of a very large wind turbine, where the BTC is obtained by rotating the fibers of the spar caps. The study focuses first on the isolated blade, and then on the complete wind turbine. The findings show that this BTC leaves some modes unaffected, but reduces the damping of the collective edgewise mode.
Original languageEnglish
Article number062014
Book seriesJournal of Physics: Conference Series
Volume1037
Issue number6
Number of pages10
ISSN1742-6596
DOIs
StatePublished - 2018
EventTorque 2018 - Milan, Italy

Conference

ConferenceTorque 2018
LocationPOLIMI
CountryItaly
CityMilan
Period20/06/201822/06/2018
Internet address

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Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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