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Vertically installed Spar-type floater for offshore wind generator and construction methods

A vertical column and column technology, which is applied to the vertical column floating wind power platform and its construction field, can solve the problems of difficult implementation, high installation cost, large wave force, etc., and achieves stable overall structural form, simple structure, and convenient construction. Effect

Active Publication Date: 2011-08-17
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

[0005] But the defect of this above-mentioned technology is: because its stabilizer arm floats on the water surface, be subject to wave force extremely, make the fatigue damage possibility of anchor chain and anchoring device extremely great
High-power downwind wind turbine rotor technology is difficult to implement, and its efficiency is lower than that of upwind wind turbine rotors, and the installation cost is extremely high

Method used

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  • Vertically installed Spar-type floater for offshore wind generator and construction methods
  • Vertically installed Spar-type floater for offshore wind generator and construction methods
  • Vertically installed Spar-type floater for offshore wind generator and construction methods

Examples

Experimental program
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Embodiment 2

[0047] Such as Figure 5 As shown, the assembly method based on the above-mentioned vertical column type floating wind power platform 1 includes the following steps

[0048] e) tow the above-mentioned vertical towed platform 9 to the offshore wind farm;

[0049] f) Remove the towing reinforcement connected between the perforated deck 4 and the ballast tank 3, so that the ballast tank 3 is only connected to the bottom end of the deep draft column 2 and the deep draft column 2 is slidingly connected to the perforated deck, pressing The load compartment 3 drives the deep-draft column 2 to sink automatically under the action of gravity, and then injects seawater into the deep-draft column 2 to make the bottom of the deep-draft column 2 continue to sink until it reaches the preset draft position, and then the bottom of the deep-draft column 2 The top is fixedly connected with the porous deck 4;

[0050] g) start the locking and releasing mechanism 11 and tow the stabilizing barge...

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Abstract

A vertically installed Spar-type floater for offshore wind generator and related construction methods are provided. The vertically installed Spar-type floater includes a plurality of vertically extending columns; a ballast tank coupled to the lower end of each of the columns; a porous top deck coupled to the upper end of each of the columns; a wind generator set fixedly connected with the porous top deck; a plurality of mooring lines linking the floater to the sea floor. The floater can be vertically installed by utilizing gravity and buoyancy and without a floating heavy lift crane, which greatly reduces the integral construction and installation of offshore vertical floaters and makes the mass production of Spar-type floater for offshore wind generators possible.

Description

technical field [0001] The invention relates to a device in the technical field of floating wind power generation, in particular to a vertical column floating wind power platform for deep sea and a construction method thereof. Background technique [0002] Offshore wind power has the advantages of fast wind speed, continuous and stable wind resources, large power generation, and does not occupy valuable land resources. It is also close to economically developed areas, close to the power load center, and easy to connect and accommodate wind power. Since the establishment of the first offshore wind farm in Denmark in the late 1990s, the large-scale commercial development of offshore wind power in the world has hesitated for a while, mainly due to the complexity of technology and the high cost of installation, operation and maintenance. However, the research and development of offshore wind power technology in Europe and the United States has not stagnated, and the technical di...

Claims

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Application Information

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IPC IPC(8): B63B35/44B63B21/50F03D9/00F03D9/25
CPCY02E10/725Y02E10/72Y02E10/727Y02P70/50
Inventor 王晋
Owner SHANGHAI JIAO TONG UNIV
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