2.5 MW/54.0 m wind turbine blade

A technology for wind turbines and blades, applied in wind turbine components, wind turbines, motors, etc., can solve problems such as unavailability of wind power, and achieve the effects of reducing volume and weight, increasing blade power, and expanding the scope of application

Inactive Publication Date: 2015-10-28
NANTONG DONGTAI NEW ENERGY EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a serious problem in the development of wind power in China, that is, wind power is almost distributed in North China, Northwest China, and Northeast China, where the wind resources are good and the efficiency of wind energy utilization is high; The wind power in the region is basically unusable

Method used

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  • 2.5 MW/54.0 m wind turbine blade
  • 2.5 MW/54.0 m wind turbine blade
  • 2.5 MW/54.0 m wind turbine blade

Examples

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] The following examples are only used to illustrate the present invention, and are not intended to limit the protection scope of the present invention.

[0021] figure 1 As shown, a 2.5MW / 54.0m wind turbine blade of the present invention includes a blade shell 3, the blade shell 3 is formed by laying glass fiber cloth attached to the blade mould, and a high modulus is laid in the middle of the blade shell 3. A large amount of glass fiber main beam 1, PVC foam 4 is tiled on both sides of the glass fiber main beam 1, and resin is poured into the blade shell 3.

[0022] figure 2 As shown, the fiberglass main beam 1 is fixed with a web 2 by adhesive, and the two ends of the web 2 are respectively fixed on the glass fiber main beam 1 on the suction side and the pressure side of the blade shell 3 .

[0023] The blade of the wind power gener...

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Abstract

The invention discloses a 2.5 MW/54.0 m wind turbine blade. The 2.5 MW/54.0 m wind turbine blade comprises a blade shell formed by laying glass fiber cloth fitted with a blade die, high-modulus glass fiber girders are laid in the middle of the blade shell, PVC foam is spread on the two sides of the glass fiber girders, and resin is poured into the blade shell. The 2.5 MW/54.0 m wind turbine blade is lengthened and increased in swept area, so that the acquired wind energy is increased and the power of the blade is improved; the blade adopting the high-modulus glass fiber girders is improved in strength and reduced in weight; and through wing section improvement, the rotational speed of the blade is improved, the size and the weight of a direct-driven generator are reduced and the manufacturing cost is lowered.

Description

technical field [0001] The invention relates to a wind power generator blade, in particular to a 2.5MW / 54.0m wind power generator blade. Background technique [0002] Since the development of wind power technology in the 1970s, the power of a single unit has grown from kilowatts to megawatts, and the global installed capacity has reached 282 million kilowatts. The types of wind turbines are mainly doubly-fed and direct-drive wind turbines, and the installed area has moved from land and intertidal zone to sea. Since the promulgation of the Renewable Energy Law in 2006 in my country, wind power has developed rapidly, and the current installed capacity has reached 75.324 million kilowatts. There is a serious problem in the development of wind power in China, that is, wind power is almost distributed in North China, Northwest China, and Northeast China, where the wind resources are good and the efficiency of wind energy utilization is high; The wind power in the region is basi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D11/00
CPCY02P70/50
Inventor 刘国平徐新华朱德举
Owner NANTONG DONGTAI NEW ENERGY EQUIP CO LTD
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