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Improvements relating to reinforcement of wind turbine towers

A technology for wind turbines and towers, which is applied to the installation/support of wind turbine configurations, towers, wind power generation, etc., and can solve the problems of complex handling of items and expensive steel

Active Publication Date: 2022-03-18
VESTAS WIND SYST AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, steel is expensive and these items are complicated to handle

Method used

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  • Improvements relating to reinforcement of wind turbine towers
  • Improvements relating to reinforcement of wind turbine towers
  • Improvements relating to reinforcement of wind turbine towers

Examples

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Embodiment Construction

[0030] figure 1 A horizontal axis wind turbine 2 is shown in which embodiments of the invention may be implemented. As will be appreciated by those skilled in the art, wind turbine 2 includes a tower 4 , a nacelle 6 and a set of blades 8 . A tower 4 is supported on a foundation in the ground (not shown) and a nacelle 6 is mounted on top of the tower 4 . The nacelle 6 houses the power generating plant and the rotor comprising a rotor hub 7 to which blades 8 are attached.

[0031] As is known to a person skilled in the art, the tower 4 comprises a plurality of tower sections 10 arranged on top of each other. It should be understood that the number of tower sections 10 included in the tower 4 is not a critical feature of the invention. In fact, the tower 4 may comprise only one tower section 10 and still fall within the scope of the appended claims. The tower sections 10 are substantially cylindrical, but in the embodiment shown are slightly tapered so as to have a slightly l...

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Abstract

A tower section for a wind turbine, the tower section comprising a tensioning apparatus having at least one tensioning device attached to three or more attachment points associated with the tower section, where the attachment points are positioned proximate an end of the tower section. The or each tensioning device is under tension and provides radial stiffness to the tower section. The invention also relates to a method for assembling a tower of a wind turbine, the method comprising: providing a tower section; attaching a tensioning apparatus comprising at least one tensioning device between three or more attachment points associated with the tower section and positioned proximate to an end of the tower section; and applying tension to the at least one tensioning device in order to provide radial stiffness to the tower section.

Description

technical field [0001] The present invention relates generally to wind turbine towers, and in particular to a method for increasing the stiffness of wind turbine tower sections during transport, installation and use. Background technique [0002] A conventional design for a horizontal axis wind turbine includes a tower supported on a foundation in the ground, and on top of the tower is mounted a nacelle that houses the power generating equipment and supports a rotor comprising a set of blades. One common method of construction is to construct a wind turbine tower from tubular sections. Such sections may be concrete or steel, but steel is more common today, and it is in this context that the present invention is concerned. [0003] To manufacture a steel wind turbine tower, tubular tower sections are transported to the installation site and assembled step by step to form a complete tower. Typically each tower section is provided with a flange, with which the individual towe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D13/20
CPCF03D13/20E04H12/085E04H12/16Y02E10/72E04H12/342F05B2240/912
Inventor R·B·马德森
Owner VESTAS WIND SYST AS
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