Floating wind turbine installation

Details Floating wind turbine installation Floating wind turbine installation

2006-06-02

2010-10-26

Olson, Lars A (Department: 3617)

Ships

Floating platform

C405S224000

Reexamination Certificate

active

07819073

ABSTRACT:
A method for coordinating a floating wind turbine installation. The wind turbine installation includes 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, φs—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 T03eigenperiod in heave. Moreover, the ratio between T03and T05is not close to 0.5 or 1.

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International Search Report issued Oct. 3, 2006 in the International (PCT) Application of which the present application is the U.S. National Stage.
Patent Cooperation Treaty (PCT) International Preliminary Report on Patentability, issued Sep. 18, 2007 in International Application No. PCT/N02006/000207.

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