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A wind turbine for use offshore

A technology of wind turbines and functions, which is applied in the direction of wind engines, wind engines consistent with the wind direction, wind motor combinations, etc., and can solve expensive and futile problems

Active Publication Date: 2006-11-01
海维德公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the combination of these requirements is expensive, thus rendering prior art marine-based wind turbine solutions hitherto generally futile

Method used

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  • A wind turbine for use offshore
  • A wind turbine for use offshore
  • A wind turbine for use offshore

Examples

Experimental program
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Effect test

Embodiment Construction

[0019] in such as Figure 1-3 In the general outline shown, the wind turbine 1 comprises a wind turbine 2 connected by a shaft (not shown) to a generator 3, which is rotatably mounted on a tower 4, including support structures 5, 6, to which the tower is fixed. on the supporting structure. figure 1 denotes a conventional wind turbine in which a tower 4 is mounted on a fixed structure 5 on the seabed, figure 2 represents a similar conventional wind turbine in which the tower is mounted on a submerged buoy or buoyancy device 6 which is anchored to the seabed by tethers 7 and thus has very little movement.

[0020] As stated above, the present invention is based on the theory that if the foundation is allowed to have positive buoyancy and to accept relatively large movements in the horizontal plane, anchoring can be made simpler, thus reducing the cost of the structure while increasing the energy generated . In particular, this solution can produce a large output with moderat...

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PUM

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Abstract

A procedure and a device in connection with the use of a wind turbine offshore, comprising a wind turbine (2) connected via a shaft (not shown) to a generator (3), which is rotationally mounted on a tower (4), and a foundation underneath in the form of a float (6) on which the tower (4) is mounted. The float (6) is designed to be anchored so that it can move freely in the vertical plane via a mooring in the form of mooring lines, hinge or tether (7), whereby, as a consequence of the effect of the waves on the float, the motion of the wind turbine (2) will act as a damping mechanism on the motion and thus extract energy from the waves. The wind turbine's resonance period is adjusted by adjusting the platform's centre of gravity and / or the tension in the anchor (7) with which the wind turbine is attached to the sea bed.

Description

technical field [0001] The present invention relates to a method and a device related to the use of an offshore wind turbine comprising a shaft connected via a shaft to a generator rotatably mounted on a tower, an underground foundation, The foundation is in the form of a buoyant body or buoyant element on which the tower is mounted. Background technique [0002] Wind turbines are increasingly being installed offshore, partly due to space requirements, but also due to the optimal realization of constant available wind conditions (higher average speed, lower turbulence and lower wind conditions than on land). thin interface). Currently, they are mainly installed in shallow water, where they can be easily placed on foundations that rest on the seabed. Such equipment requires that sufficiently shallow water be available. Along most coasts of the world, especially along the coast of Norway, the sea water is generally too deep to allow wind turbines to be installed on the seab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D1/00B63B21/50F03DF03D9/00F03D11/04
CPCB63B21/502B63B2035/446E02B2017/0091F05B2240/93F05B2240/95Y02E10/727F03D13/25Y02E10/30Y02E10/72F03D1/00
Inventor 芬尼·G·涅尔森
Owner 海维德公司
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