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Floating fan for use between shallow water and deep water

A floating, deep-water technology, applied in wind power generation, floating buildings, installation/supporting configuration of wind turbines, etc., can solve problems such as difficulty in design and achieve the effect of increasing compliance

Inactive Publication Date: 2018-11-23
SHANGHAI LVSE ENVIRONMENTAL PROTECTION ENERGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For sea areas with water depth between shallow sea and deep sea, if floating wind turbines are used for development and construction, due to the small water depth, it is difficult to design

Method used

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  • Floating fan for use between shallow water and deep water
  • Floating fan for use between shallow water and deep water
  • Floating fan for use between shallow water and deep water

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Embodiment Construction

[0034] Such as figure 1 , figure 2 As shown, the present invention provides a four-slanted column tension leg floating fan, including: an upper unit 1, a floating foundation 2, a tension leg mooring system 3 and an anchoring system 4, wherein:

[0035] The upper unit 1 is composed of a blade 11, a hub 12, a nacelle 13 and a tower 14 for collecting wind power;

[0036] The floating foundation 2 is connected to the upper unit 1 and provides buoyancy to the upper unit 1 so that the upper unit can always be located above the water surface H;

[0037] The tension leg mooring system 3 is connected between the floating foundation 2 and the anchoring system 4, so that the floating foundation 2 and the anchoring system 4 are kept in tension connection;

[0038] The anchoring system 4 is fixed at the bottom of the water and pulls the floating foundation 2 at a limited depth.

[0039] Such as figure 1 , figure 2 As shown, the floating foundation 2 in this embodiment includes a ver...

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Abstract

The invention provides a floating fan for use between shallow water and deep water. The floating fan comprises an upper unit, a floating base, a tension leg mooring system, and an anchoring system; buoyancy is provided to the upper unit by the floating base so that the upper unit can always be positioned over the water surface; the tension leg mooring system is connected between the floating baseand the anchoring system and therefore tensioning connection is kept between the floating base and the anchoring system. According to the invention, only partial length of the floating base is immersed in water, the connection position of the tension leg mooring system and the floating base is also located over the water surface. In this way, the length of the tension leg mooring system is increased nominally, and the practical effect is to increase the compliance of the floating fan in the plane, that is, increase the natural and vertical cycle of the fan (up to 25s), and well avoid the wavenatural cycle range and the 1P, 3P frequency range of the wind wheel.

Description

technical field [0001] The invention relates to an offshore floating fan, in particular to a floating fan used between shallow water and deep water. Background technique [0002] Offshore wind farms can be divided into shallow sea wind farms and deep sea wind farms according to the location of the sea area. Shallow sea wind farms use single-pile and multi-pile fixed foundations, mostly with water depths within 30m; deep-sea wind farms refer to sea areas with water depths above 60m, where there are more With high-quality wind resources, to build and develop wind farms in these sea areas, the cost of using fixed wind turbines will rise linearly, so floating wind turbines have become one of the solutions for developing deep-sea wind farms. [0003] At present, according to the needs of deep-sea wind farms, the single column wind turbine (Spar type) represented by Hywind, the semi-submersible wind turbine (Semi type) represented by Windfloat and the tension leg wind turbine (TLP...

Claims

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Application Information

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IPC IPC(8): B63B35/44
CPCB63B35/44F03D13/25Y02E10/72Y02E10/727
Inventor 张开华张智伟李力森吴俊辉黄强陈永军
Owner SHANGHAI LVSE ENVIRONMENTAL PROTECTION ENERGY
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