Wind turbine blade comprising a proximal blade root portion for coupling to a hub or extender of a wind turbine, a distal airfoil portion having a lift-generating shape, and a transition portion between them, the blade root portion having a substantially cylindrical shape, wherein the blade further comprises a cylinder rotatably mounted around the blade root portion.
Wind turbine blade and method of controlling the lift of the blade
Windturbinenblatt und Verfahren zur Regelung des Auftriebs eines Blatts
Pale d'éolienne et méthode de contrôle pour la portée de la pale
2016-08-24
Patent
Electronic Resource
English
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