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Wind turbine blade leading edge protection method

A technology for wind turbines and blades, which is applied in the field of protecting the leading edge of wind turbine blades, and can solve problems such as limited service life of protective covers

Active Publication Date: 2022-03-22
VESTAS WIND SYST AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the life of the protective cover may be limited compared to the expected life of a wind turbine blade

Method used

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  • Wind turbine blade leading edge protection method
  • Wind turbine blade leading edge protection method
  • Wind turbine blade leading edge protection method

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0028] figure 1 is a schematic perspective view of a modern utility scale wind turbine 10 . Wind turbine 10 includes a plurality of wind turbine blades 12 extending from a root 14 in an inboard portion 16 of the blade 12 to a tip 18 in an outboard portion 20 of the blade 12 . Each wind turbine blade 12 includes a corrosion protection shroud 22 disposed at a leading edge 24 of the blade 12 . Although in this example the corrosion shroud 22 is disposed in the outboard portion 20 of the blade 12, the invention is not limited in this respect and the corrosion shroud 22 may be disposed in the inboard portion 16 or substantially along the turbine blade 12. The entire leading edge 24 extends.

[0029] The corrosion shroud 22 provides protection for the leading edge 24 in use where collisions between the blade 12 and airborne particles such as rain and hail cause corrosion. Such corrosion would otherwise adversely affect the aerodynamic performance of blade 12 , thereby reducing th...

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Abstract

A method for protecting a leading edge (24, 30, 88) of a wind turbine blade (12). In a first aspect of the invention, a method of applying an anti-corrosion shroud (22) to a leading edge region (30) of a wind turbine blade (12) is provided. The method comprises: providing a wind turbine blade (12) comprising a blade shell (26) having an aerodynamic profile and defining a leading edge region (30); providing an anti-corrosion shroud (22) made of a polymeric material, the anti-corrosion shroud (22) having an inner surface (36) to be bonded to the leading edge region (30) of the blade shell (26) and an outer surface (38, 84, 98) to be exposed in use; activating (44) an inner surface (36) of the corrosion shield (22); and cleaning (42) the inner surface (36) of the corrosion shield (22) with a solvent. The method further includes applying a wet adhesive layer (66, 68, 72A) to the inner surface (36) of the corrosion shield (22); applying a wet adhesive layer (66, 68, 72A) to the leading edge region (30) of the blade shell (26); arranging the anti-corrosion shroud (22) against the leading edge region (30) of the blade shell (26) such that a wet-to-wet adhesive (66, 68, 72A, 72, 96) contact is established between the inner surface (36) of the anti-corrosion shroud (22) and the blade shell (26); and curing the adhesive (66, 68, 72A, 72, 96) to bond the anti-corrosion shroud (22) to the leading edge region (30) of the blade shell (26).

Description

technical field [0001] The present invention relates generally to wind turbine blades, and more particularly to a method of protecting the leading edge of a wind turbine blade. Background technique [0002] Wind turbines frequently experience severe weather conditions due to their remote location, especially in offshore wind installations. Collisions between wind turbine blades and airborne particles such as rain or hail cause erosion of the blade surface. This corrosion reduces the smoothness and aerodynamic performance of the blades, thereby adversely affecting the annual energy production (AEP) of the wind turbine. As the length of the blade increases to capture more energy from the wind, the tip speed of such blades also increases. At high tip speeds, erosion of the blade surface, especially at the leading edge of the blade, is exacerbated due to the increased impact energy upon collision with airborne particles. [0003] A number of solutions to mitigate leading edge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D80/50F03D1/06F03D13/10
CPCF03D80/50F03D1/0633F03D1/0675F03D13/10B29C65/483B29C65/485B29C66/02245B29C66/026B29C66/1122B29C66/532B29C66/71B29C66/7212B29C66/324B29L2031/085B29C66/0382B29C66/301Y02E10/72B29K2075/00B29K2309/08F05B2240/303B29C66/02B29C66/038B29C66/114B29K2675/00F05B2230/90
Inventor A·基米爱法尔B·B·达姆嘉德
Owner VESTAS WIND SYST AS