Hybrid floating type offshore wind turbine platform and design and construction method of composite material side column thereof
A technology of offshore wind turbines and composite materials, applied in wind power generation, floating buildings, ships, etc., to achieve the effects of improving power generation efficiency, good performance, and reducing displacement
Active Publication Date: 2021-11-09
北京谱海科技有限公司 +1
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Problems solved by technology
[0004] A significant portion of the capital expenditure of existing traditional floating offshore wind turbine platforms is the cost of steel and other materials required for platform construction
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[0026] The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings. As a part of this specification, the principles of the present invention will be described through examples. Other aspects, features and advantages of the present invention will become clear through the detailed description. In the referenced drawings, the same reference numerals are used for the same or similar components in different drawings. In addition, the descriptions involving "first", "second" and so on in the present invention are only for descriptive purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features.
[0027] refer to Figure 1 to Figure 4 , the hybrid floating offshore wind turbine platform of t...
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The invention relates to a hybrid floating type offshore wind turbine platform and a design and construction method of a composite material side column thereof. The wind turbine platform is composed of a deep-draft center stand column (Spar), a plurality of composite material side columns and a truss structure. The composite material side column is of a semi-submersible type and is composed of a steel component and a composite buoyancy material. The truss comprises buoy beams and supporting rods, which is fixedly connected with a central stand column and a side column. A stand column type platform and a semi-submersible type platform are combined in structural form, the advantages of the platforms are fully played, the defects of the platforms are limited, a novel floating type draught fan platform is constructed. Meanwhile, composite material side columns are applied, extra buoyancy and stability are provided for the platform, the gravity center of the platform is lowered, the water displacement of the platform is reduced, and the hydrodynamic performance and the bearing capacity of the platform are greatly improved. The novel hybrid floating type offshore wind turbine platform has better performance under the design environment condition, so that the unit mass wind wheel sweeping area of a specific draught fan is maximized, the power generation efficiency of the draught fan is kept or improved, and the offshore wind power development cost is reduced.
Description
technical field [0001] The invention belongs to the technical field of offshore wind power generation and ocean engineering, and in particular relates to a design and construction method of a hybrid floating offshore wind turbine platform and its composite material side columns. Background technique [0002] The floating offshore wind turbine is an offshore wind turbine installed on the basis of a floating structure. The floating structure makes it possible to develop wind power in deep waters that are not suitable for fixed wind turbines. Floating wind farms can greatly increase the sea area for offshore wind power development. Building wind farms in farther sea areas can make better use of limited land and offshore water resources, provide favorable conditions for fisheries and waterways, and at the same time, get better Stabilize wind energy resources. [0003] The levelized cost of electricity (LCOE) of offshore wind power using traditional floating offshore wind platfo...
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IPC IPC(8): B63B35/44B63B75/00
CPCB63B35/44B63B75/00B63B2035/442Y02E10/727
Inventor 石山
Owner 北京谱海科技有限公司