Offshore floating wind turbine foundation and offshore wind turbine
A wind turbine foundation and floating technology, applied in the installation/support of wind turbine configuration, wind power generation, etc., can solve the problems of small hydrodynamic load, high frequency of freedom, and less steel consumption
Active Publication Date: 2022-07-01
SHANGHAI ELECTRIC WIND POWER GRP CO LTD
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Problems solved by technology
For example, the column foundation has a small water plane, small hydrodynamic load, and good structural stability. The disadvantage is that the vertical dimension of the foundation is large and the applicable water depth range is limited.
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[0035] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, the same numerals in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with this application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as recited in the appended claims.
[0036] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to limit the application. Unless otherwise defined, technical or scientific terms used in this application shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. The terms "first", "second" and similar ter...
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The application provides an offshore floating wind turbine foundation and an offshore wind turbine. The fan foundation includes a column-type float assembly and a tension leg assembly. The tension leg assembly includes a tension leg and a tension bar, the tension leg includes a tension leg body, and a ballast mass movably arranged on the tension leg body along the length direction of the tension leg body, and the tension leg body is connected to the tension leg body. The connection end is connected, one end of the tension bar is connected to the ballast mass block, the other end of the tension bar is used to connect with the seabed, and the ballast mass block is moved along the surface under the tension of the tension bar. The length direction of the tension leg body is movable. In this scheme, the dynamic adjustment of the horizontal position of the ballast mass block is realized, and then the horizontal center of gravity of the foundation of the offshore floating wind turbine is adjusted, so as to provide a balanced restoring force for the floating offshore wind turbine that tilts with the waves.
Description
technical field [0001] The present application relates to the technical field of wind power, and in particular, to an offshore floating wind turbine foundation and an offshore wind turbine. Background technique [0002] Offshore wind resources are abundant, mainly distributed in deep sea areas. For example, more than 80% and 58% of offshore wind energy in Europe and the United States, respectively, are located in areas with water depths greater than 60 meters, and more than 85% of offshore wind energy in Japan is located in areas with water depths greater than 100 meters. In the face of harsh deep-sea environmental conditions, the technical and economic challenges of traditional offshore fixed wind power have increased dramatically, and wind power giants have gradually focused on the research and development of floating wind power technology. [0003] Many new floating wind turbine foundations have emerged, such as column foundations, semi-submersible foundations, tension l...
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IPC IPC(8): F03D13/20F03D13/25
CPCF03D13/22F03D13/25Y02E10/727
Inventor 张友林曹广启李华祥
Owner SHANGHAI ELECTRIC WIND POWER GRP CO LTD