High-power adjustable vertical-axis wind turbine generator system and control method

An adjustable technology for wind turbines, applied in the control of wind turbines, combination of wind turbines, engine control, etc., can solve problems such as low power and non-adjustable, and achieve the effects of reducing resistance, reducing drag coefficient, and improving efficiency

Pending Publication Date: 2020-05-01
李大伟
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AI Technical Summary

Problems solved by technology

[0004] In view of the above problems, the present invention provides a high-power adjustable vertical-axis wind turbine and its control method, which solves the problem that the resistance-type vertical-axis wind turbine has low power and cannot be adjusted, so that the maximum power of a single machine can theoretically exceed 20MW

Method used

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  • High-power adjustable vertical-axis wind turbine generator system and control method
  • High-power adjustable vertical-axis wind turbine generator system and control method
  • High-power adjustable vertical-axis wind turbine generator system and control method

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Embodiment

[0027] like figure 1 and figure 2 As shown, a high-power adjustable vertical-axis wind turbine and a control method, comprising: a wind wheel and a generator, the generator is used to convert the mechanical energy generated by the rotation of the wind wheel into electrical energy, and the wind wheel includes blades and a hub 4, The blade includes a petiole 2 and an end 1. One end of the petiole 2 is fixed on the hub 4 and rotates through the hub 4, and the other end is fixedly connected with the end 1. The end 1 is a hollow hemispherical structure, and the end 1 is along the diameter of the blade. There is a hydraulic push rod 3 on it, the hydraulic push rod 3 is connected with a control device, and the hydraulic push rod 3 is used to extend or contract under the control of the control device, and then push the end 1 to change the windward area of ​​the end 1 . Wherein, the end head 1 is made of elastic material.

[0028] The shortest stretched length of the hydraulic push ...

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Abstract

The invention discloses a high-power adjustable vertical-axis wind turbine generator system and a control method. The wind turbine generator system comprises a wind wheel and a generator; the generator is used for converting mechanical energy generated by rotation of the wind wheel to electric energy; the wind wheel comprises a blade and a hub; the blade comprises a handle and an end; one end of the handle is fixed on the hub and rotated through the hub, and the other end is fixedly connected with the end; the end is of a hollow semisphere structure; the end is provided with a hydraulic push rod in the diameter direction of the blade; the hydraulic push rod is connected with a control device; and the hydraulic push rod is controlled by the control device to extend or shrink so as to push the end to change the windward area of the end. The control method is realized through the wind turbine generator system. The high-power adjustable vertical-axis wind turbine generator system and the control method solve the problems of low power and incapability of adjusting a resistance vertical-axis wind turbine generator system.

Description

technical field [0001] The invention belongs to the field of wind power generation, and in particular relates to a high-power adjustable vertical-axis wind generator set and a control method. Background technique [0002] As a clean energy, wind power has significant social and environmental benefits, and is of great significance to promoting the development of renewable energy in my country. The state supports and encourages the development of wind power. In particular, offshore wind power will be the direction of vigorous development in the future. [0003] At present, there are mainly two types of wind turbines, one is the horizontal axis wind turbine and the other is the vertical axis wind turbine. At this stage, the mainstream high-power wind turbines on the market are horizontal-axis wind turbines, and the technology is relatively mature. It has been restrained. Up to now, the maximum single-unit capacity of horizontal axis wind turbines officially offline in China i...

Claims

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Application Information

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IPC IPC(8): F03D3/00F03D3/06F03D9/25F03D7/06
CPCF03D3/00F03D3/062F03D7/06F03D9/25F05B2270/1033F05B2270/604Y02E10/74
Inventor 李大伟
Owner 李大伟
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