Column-stabilized offshore platform with water-entrapment...

B - Operations – Transporting – 63 – B

Patent

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Details

B63B 35/44 (2006.01) B63B 22/20 (2006.01) B63B 38/00 (2006.01) B63B 39/03 (2006.01) E02B 17/04 (2006.01) F03D 11/04 (2006.01)

Patent

CA 2719694

A floating wind turbine platform includes a floatation frame (105) that includes three columns (102, 103) that are coupled to each other with horizontal main beams (115). A wind turbine tower (111) is mounted above a tower support column (102) to simplify the system construction and improve the structural strength. The turbine blades (101) are coupled to a nacelle (125) that rotates on top of the tower (111). The turbine's gearbox generator and other electrical gear can be mounted either traditionally in the nacelle, or lower in the tower (11 1) or in the top of the tower-supporting column (102). The floatation frame (105) includes a water ballasting system that pumps water between the columns (102, 103) to keep the tower ( 1 1 1) in a 10 vertical alignment regardless of the wind speed. Water-entrapment plates (107) are mounted to the bottoms of the columns (102, 103) to minimize the rotational movement of the floatation frame (105) due to waves.

Une plate-forme éolienne flottante comprend une structure de flottaison (105) comprenant trois colonnes (102, 103) accouplées les unes aux autres par des poutres principales horizontales (115). Une tour d'éolienne (111) est montée sur une colonne de support de la tour (102) pour simplifier la construction du système et améliorer la résistance de la structure. Les pales d'éolienne (101) sont accouplées à une nacelle (125) qui tourne sur le sommet de la tour (111). Le générateur de la boîte dengrenages de léolienne et dautres équipements électriques peuvent être montés soit de manière traditionnelle dans la nacelle, soit plus bas dans la tour (11 1) ou au sommet de la colonne supportant la tour (102). La structure de flottaison (105) comprend un système de ballast deau qui pompe leau entre les colonnes (102, 103) pour maintenir la tour ( 1 1 1 ) dans un alignement vertical quelle que soit la vitesse du vent. Des plaques de piégeage deau (107) sont montées sur les bases des colonnes (102, 103) pour réduire au minimum le mouvement de rotation dû aux vagues de la structure de flottaison (105).

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