Articles | Volume 1, issue 2
Wind Energ. Sci., 1, 297–310, 2016
https://doi.org/10.5194/wes-1-297-2016
Wind Energ. Sci., 1, 297–310, 2016
https://doi.org/10.5194/wes-1-297-2016
Research article
01 Dec 2016
Research article | 01 Dec 2016

Articulated blade tip devices for load alleviation on wind turbines

Carlo L. Bottasso et al.

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Latest update: 01 Jul 2022
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Short summary
The paper discusses different concepts for reducing loads on wind turbines using movable blade tips. Passive and semi-passive tip solutions move freely in response to air load fluctuations, while in the active case an actuator drives the tip motion in response to load measurements. The various solutions are compared with a standard blade and with each other in terms of their ability to reduce both fatigue and extreme loads.