F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
F03D 11/04 (2006.01) B63B 21/50 (2006.01) F03D 1/00 (2006.01)
Patent
CA 2609745
A method for coordinating a floating wind turbine installation. The wind turbine installation comprises a buoyant body (1), a tower (2) arranged over the buoyant body, a generator (3) mounted on the tower which is rotatable in relation to the wind direction and fitted with a wind rotor (4), and an anchor line arrangement (5) connected to anchors or anchor points on the sea bed. Static heeling, ~s~-max, at full wind load on the wind turbine is as low as possible, but preferably less than 8 degrees, and all eigenperiods for the installation are outside the waves' period range. The eigenperiod in pitch, T05 (roll, T04), is preferably less than 80 % of the T03 eigenperiod in heave. Moreover, the ratio between T03 and T05 is not close to 0.5 or 1.
La présente invention concerne un procédé pour coordonner une installation flottante d~éolienne. L~installation d~éolienne comprend un corps flottant (1), un pylône (2) disposé au-dessus de ce corps, un générateur (3) monté sur le pylône qui peut tourner selon le sens du vent et doté d~une éolienne (4), et un dispositif de câbles d~ancrage (5) relié à des ancres ou des points d~ancrage au fond de la mer. La gîte statique, ~s-max, à pleine charge due au vent sur l~éolienne est aussi faible que possible, mais de préférence inférieure à 8 degrés, et toutes les périodes propres de l~installation sont en dehors de la plage de périodes des vagues. La période propre en tangage, T05 (roulis, T04), est de préférence inférieure à 80 % de la période propre en levée T03. De plus, le rapport entre T03 et T05 n~est pas voisin de 0,5 ou 1.
Hanson Tor David
Nielsen Finn Gunnar
Sveen Dagfinn
Fetherstonhaugh & Co.
Norsk Hydro Asa
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