CN117360709B - Tension leg type offshore wind power generation foundation - Google Patents
Tension leg type offshore wind power generation foundation Download PDFInfo
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- CN117360709B CN117360709B CN202311607429.2A CN202311607429A CN117360709B CN 117360709 B CN117360709 B CN 117360709B CN 202311607429 A CN202311607429 A CN 202311607429A CN 117360709 B CN117360709 B CN 117360709B
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- 238000010248 power generation Methods 0.000 title claims abstract description 23
- 238000007667 floating Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 4
- 238000011161 development Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B21/502—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
The tension leg type offshore wind power generation foundation comprises wind power equipment, a tension leg type foundation, a mooring system and a pontoon, wherein the tension leg type foundation is used for supporting the wind power equipment, the mooring system is used for connecting the tension leg type foundation, and the pontoon is used for supporting the tension leg type foundation; the tension leg type foundation comprises a sleeve outer wall, a connecting rod piece, tension legs and tension ribs; the tension leg annular array is arranged at the lower end of the outer wall of the sleeve, one end of the connecting rod piece is connected with the middle part of the outer wall of the sleeve, and the other end of the connecting rod piece is connected with the outer end of the tension leg; the connecting rod piece is internally provided with a traction device which is used for loosening or pulling tension bars, and the stretching of the tension bars correspondingly adjusts the tension force born by the tension bars; the mass block is connected with a rope, and the position of the mass block is changed along with the height of the outer wall of the sleeve; the pontoon is connected with the tower barrel to provide buoyancy for the wind power system to float.
Description
Technical Field
The invention relates to the technical field of offshore wind power generation, in particular to a tension leg type offshore wind power generation foundation.
Background
In order to achieve the aim of carbon-to-carbon neutralization in China, the construction of a power system taking new energy as a main body is a main direction of future development. Wind energy is taken as a clean renewable energy source and is gradually paid attention to by people; the offshore wind resources tend to be tense along with continuous development, and the conditions of less limiting factors, richer wind resources and the like in deep and far sea areas can reduce the cost and increase the efficiency through large-scale development, so that the offshore wind resource has great development potential; therefore, the development of deep open sea offshore wind power is a future development trend of offshore wind power; as the water depth increases, the cost of the fixed foundation will increase significantly; the floating foundation is connected with the seabed by the mooring system, so that the cost increase caused by the increase of the water depth is small, and meanwhile, the floating foundation is fixed by adopting an anchor chain, so that the floating foundation is convenient to dismantle and has great advantages; the current floating type offshore wind power mainly comprises four technical routes of semi-submersible type, upright type, tension leg type and barge type; each technical route has advantages and disadvantages, wherein the tension leg type is a hot spot for future research due to the characteristics of being suitable for deep sea, simple in structure, small in steel consumption and the like;
The tension leg type platform forms generate buoyancy far greater than the dead weight of the structure through the self structure, and the residual buoyancy is balanced with the tension of the tension rib when the dead weight is counteracted, so that the tension leg is in a tensioned state at any time; compared with other foundation forms, the tension leg type platform has higher requirements on mooring ropes, and complex construction and installation links, so that the overall cost is higher; the axial rigidity of the synthetic fiber cable is easy to deviate or slip to generate creep along with the action of axial tension, and the re-tensioning adjustment is needed; for the sea area of the east China sea, the water depth condition is about 40 to 50 meters, and the natural frequency of the foundation structure can be increased due to insufficient length of the tension ribs, so that the movement performance is reduced.
Chinese application No. cn202310480770.X discloses a triangle tension leg floating wind power foundation platform, adjacent all connect through outside horizontal rod system between the corner pontoon, the central line of corner pontoon forms triangle-shaped, and the corner pontoon is connected with central stand through inboard horizontal rod system and provides main buoyancy and stability for the platform jointly.
The Chinese application number CN115822880A discloses a tension leg type offshore wind power generation platform foundation and a mooring system, which solve the problems that the existing tension leg type offshore wind power generation platform foundation and tension leg structure are complex, the assembly is difficult, the modularization batch construction is difficult, and the construction cost of the tension leg type wind power generation platform foundation is high; the tension leg type offshore wind power generation platform foundation comprises: the middle upright post is connected with the bottom of the wind power tower barrel, the tension arms are arranged in a radiation mode by taking the axis of the middle upright post as the center of a circle, one end of each tension arm is connected with the middle upright post, and the angle barrels are in one-to-one correspondence with the tension arms and are arranged at one end, far away from the middle upright post, of each tension arm; two ends of the diagonal bracing are connected with one side, close to the angle cylinder, of the middle upright post and the tension arm; the mooring system is characterized in that a high-strength steel cable replaces a traditional tension leg, and the upper end of the high-strength steel cable is connected to the outer side of each corner cylinder.
The prior art cannot overcome the technical defects.
Disclosure of Invention
In view of the above, the invention aims to provide a tension leg type offshore wind power generation foundation, which can effectively improve the motion performance and safety of a tension leg type offshore wind turbine, is suitable for shallow water depth and transitional water depth, can effectively avoid displacement in the horizontal direction of a tension leg type platform after being subjected to stormy wave load, and reduces instability caused by integral sinking of the platform; the design of the upward-moving adjustable tension leg adjusts the height of the body according to the actual sea conditions, so that the frequency range in which the wave energy is concentrated is effectively avoided; the inside quality piece that sets up, cooperation tension leg type platform's height and change the position, through focus and the centre of buoyancy of adjustment system, has improved holistic stability.
The tension leg type offshore wind power generation foundation comprises wind power equipment, a tension leg type foundation, a mooring system and a pontoon, wherein the tension leg type foundation is used for supporting the wind power equipment, the mooring system is used for connecting the tension leg type foundation, and the pontoon is used for supporting the tension leg type foundation;
The tension leg type foundation comprises a sleeve outer wall, a connecting rod piece, tension legs and tension ribs; the tension leg annular array is arranged at the lower end of the outer wall of the sleeve, one end of the connecting rod piece is connected with the middle part of the outer wall of the sleeve, and the other end of the connecting rod piece is connected with the outer end of the tension leg; the connecting rod piece is internally provided with a traction device which is used for loosening or pulling tension bars, and the stretching of the tension bars correspondingly adjusts the tension force born by the tension bars; the mass block is connected with a rope, and the position of the mass block is changed along with the height of the outer wall of the sleeve; the pontoon is connected with the tower barrel to provide buoyancy for the wind power system to float.
The technical scheme provided by the application also has the following technical characteristics:
Preferably, the wind power equipment comprises blades, a cabin and a tower, wherein the outer diameter of the tower is connected with the inner diameter of the inner wall of the sleeve in the center of the tension leg type foundation through the sleeve.
Preferably, the traction device is a hydraulic cylinder.
Preferably, the tension bar is a cable.
Preferably, pulley devices are arranged below the connecting rod pieces and used for supporting the tension bars.
Preferably, the number of the connecting rods and the tension legs is three, and the connecting rods and the tension legs are uniformly arranged in an annular array.
Preferably, the tension leg is vertically disposed between the sleeve outer wall.
The invention has the beneficial effects that:
1. The wave load does not act on the tension leg type platform and only acts in the pontoon and the tension rib, and the tension rib can well balance the moment caused by the water acting on the pontoon, compared with the traditional tension leg type platform, the displacement along the horizontal direction generated under the action of the wave load can be reduced, and the problem of integral sinking of the platform is avoided;
2. Aiming at the characteristic of sea water depth of the east China sea, the anchor points on the tension tendons are moved upwards so as to increase the length of the tension tendons, and the self-vibration frequency of the floating body can be effectively reduced; the integral self-vibration frequency of the floating body can be changed according to real-time sea conditions through the tension leg type platform with adjustable height, so that the stability of the platform is improved; the built-in mass block can reduce the problem caused by the great change of the integral gravity center of wind power due to the lifting of the tension leg type platform.
Drawings
FIG. 1 is a perspective view of a tension leg offshore wind power generation foundation of the present invention;
FIG. 2 is an upwardly-movable adjustable tension leg foundation of the tension leg offshore wind power generation foundation of the present invention;
FIG. 3 is a view showing a structure of a tension leg inner pulley of a tension leg type offshore wind power generation foundation according to the present invention;
In the figure:
1. Wind power equipment; 2. a tension leg platform; 3. a mooring system; 4. a pontoon; 201. the inner wall of the sleeve; 202. the outer wall of the sleeve; 203. a connecting rod piece; 204. a tension leg; 205. a traction device; 206. tension bars; 207. a mass block; 208. a pulley device.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1-3, a tension leg type offshore wind power generation foundation comprises wind power equipment 1, a tension leg type foundation 2, a mooring system 3 and a pontoon 4, wherein the tension leg type foundation 2 is used for supporting the wind power equipment 1, the mooring system 3 is used for connecting the tension leg type foundation 2, and the pontoon 4 is used for supporting the tension leg type foundation 2;
The tension leg type foundation 2 comprises a sleeve outer wall 202, a connecting rod 203, tension legs 204 and tension ribs 206; the tension legs 204 are annularly arrayed at the lower end of the sleeve outer wall 202, one end of the connecting rod piece 203 is connected with the middle part of the sleeve outer wall 202, and the other end of the connecting rod piece 203 is connected with the outer end of the tension legs 204; a traction device 205 is arranged in the connecting rod 203, the traction device 205 is used for loosening or pulling the tension rib 206, and the stretching of the tension rib 206 correspondingly adjusts the tension force born by the tension rib 206; the mass block 207 is connected with ropes, and the position of the mass block is changed along with the height of the sleeve outer wall 202; the pontoon 4 is connected with the tower barrel and provides buoyancy for the wind power system to float.
When the application is implemented, the tension leg type foundation has the characteristics that, unlike the traditional tension leg type platform, the tension leg type foundation is always positioned higher than the horizontal plane, the height of the foundation can be changed, and the adjustment of a structural system is completed; the clamping device arranged inside has strong compatibility and can finish the fixation of the position after the height is changed;
The inside of the connecting rod piece 203 is provided with a hydraulic traction device 205, one end of the hydraulic traction device is connected with the center position of the tension leg 204 type platform, the other end of the hydraulic traction device is connected with one end of the tension rib 206, and the tension rib 206 can be tensioned by changing the length of the traction device 205, so that the height of the tension leg 204 type platform is changed, and the gravity center and the floating center are adjusted; the traction device 205 not only can change the height of the platform by stretching the tension rib 206 by utilizing the principle of hydraulic transmission, but also can improve the stability of the platform and reduce the maintenance times by Zhang Jinzhang the tension rib 206 at any time.
The mass 207, coupled to the ropes, changes its position with the platform height, thus changing the mass distribution. The problem that the gravity center moves up or down greatly caused by the lifting or lowering of the tension leg 204 type platform is reduced;
The mooring system 3 comprises three tension ribs 206 fixedly connected with the seabed, and the tension state and the larger tension are always kept in the working period, so as to avoid instability of the fan caused by basic movement; the pontoon 4 is connected with the tower barrel and provides buoyancy for the wind power system to float.
Specifically, the wind power equipment 1 comprises blades, a cabin and a tower, wherein the outer diameter of the tower is connected with the inner diameter of the inner wall 201 of the sleeve in the center of the tension leg foundation 2 through the sleeve; the traction device 205 is a hydraulic cylinder; the tension bar 206 is a cable; pulley devices 208 are arranged below the connecting rod pieces 203, and the pulley devices 208 are used for supporting the tension bars 206; the number of the connecting rods 203 and the tension legs 204 is three, and the connecting rods are uniformly arranged in an annular array; the tension leg 204 is disposed vertically between the sleeve outer wall 202.
In general, as shown in fig. 1, the offshore wind turbine provided in the embodiment of the application integrally comprises wind power equipment 1, a tension leg foundation 2, a mooring system 3 and a buoy 4; the wind power equipment comprises blades, a cabin, a tower barrel, power elements required by the interior and the like; the tower drum passes through the inner diameter arranged in the sleeve of the tension leg type platform, and can slide up and down along the length direction of the tower drum through a gear transmission mechanism arranged in the sleeve; the bottom of the tower barrel is connected with the top of the pontoon, and the pontoon can provide buoyancy higher than the foundation gravity of wind power equipment and tension legs; the mooring system consists of tension bars and devices with two ends connected, one end of the mooring system is connected with the traction device 205, and the other end of the mooring system is connected with the anchoring system on the sea bottom;
FIG. 2 illustrates an upward-shifting adjustable tension leg base; the whole tension leg foundation is designed above sea level, is connected with an anchoring system at the sea bottom through tension ribs, is connected with wind power equipment by utilizing a tower cylinder inserted in the inner wall of a sleeve arranged in the sleeve, and completes up-and-down movement and position locking through a gear transmission device arranged in the sleeve; the upward-moving tension leg type platform can increase the length of the tension bar, so that the self-vibration frequency of the floating body is reduced; according to real-time sea conditions, the self-vibration frequency can be adjusted by calculating the high-frequency range of the first-order wave frequency and the second-order wave frequency and lifting the height, so that the risk of slow-drift resonance is avoided;
The length of the tension bar in the connecting rod piece is adjusted by the contraction and the stretching of the traction device 205, so that the height of the tension leg type platform is changed; the device not only has a stretching function, but also can fix the relative position of the tension rib; under extreme sea conditions, the tension bar can be properly stretched according to the internal tension of the monitoring tension bar, so that the risk of loosening the tension bar is avoided, and the safety is improved; the inserted mass blocks of the tension ribs can complete the adjustment of the gravity center and the floating center after the height of the tension leg type platform is changed; when the height of the foundation platform is higher, the mass blocks are closer to the edges of the tension legs due to longer external tension ribs, so that the gravity center is lowered; when the height of the basic platform is reduced, the mass blocks are more concentrated, so that the stability under severe sea conditions can be ensured;
The tension bar 206 is redirected by the pulley shown in fig. 3; and the tension rib and the foundation can be fixed on land to complete assembly, so that the construction steps are reduced.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (7)
1. The tension leg type offshore wind power generation foundation is characterized by comprising wind power equipment (1), a tension leg type foundation (2), a mooring system (3) and a pontoon (4), wherein the tension leg type foundation (2) is used for supporting the wind power equipment (1), the mooring system (3) is used for connecting the tension leg type foundation (2), and the pontoon (4) is used for supporting the tension leg type foundation (2);
the tension leg type foundation (2) is arranged above the water surface, and the position of the mooring system (3) connected with the tension leg type foundation (2) is above the water surface;
The tension leg type foundation (2) comprises a sleeve outer wall (202), a connecting rod piece (203), tension legs (204) and tension ribs (206); the tension legs (204) are annularly arrayed at the lower end of the sleeve outer wall (202), one end of the connecting rod piece (203) is connected with the middle part of the sleeve outer wall (202), and the other end of the connecting rod piece (203) is connected with the outer end of the tension legs (204); a traction device (205) is arranged in the connecting rod piece (203), the traction device (205) is used for loosening or pulling a tension rib (206), and the stretching of the tension rib (206) correspondingly adjusts the tension force born by the tension rib (206); the mass block (207) is connected with a rope, and the position of the mass block is changed along with the height of the outer wall (202) of the sleeve; the pontoon (4) is connected with the tower barrel and is used for providing floating buoyancy for the wind power system;
The length of the tension rib (206) is increased, so as to reduce the self-vibration frequency of the floating body; a tension leg type foundation (2) with adjustable height, so that the integral self-vibration frequency of the floating body is suitable for real-time sea conditions; the mass block (207) is used for relieving the influence of the large change of the gravity center of the wind power generation integral equipment caused by the lifting of the tension leg type foundation (2);
The mooring system (3) comprises three tension bars fixedly connected with the seabed;
According to real-time sea conditions, the self-vibration frequency is adjusted by calculating the high-frequency range of the first-order wave frequency and the second-order wave frequency and the lifting height of the tension leg type foundation (2), so that the slow-drift resonance frequency is avoided.
2. A tension leg offshore wind power generation foundation according to claim 1, characterized in that the wind power plant (1) comprises blades, a nacelle and a tower, the outer diameter of the tower being connected to the inner diameter of the inner wall (201) of the sleeve in the centre of the tension leg foundation (2) by means of a sleeve.
3. A tension leg offshore wind power generation foundation according to claim 1, characterized in that the traction means (205) is a hydraulic cylinder.
4. A tension leg offshore wind power generation foundation as in claim 1, wherein the tension bar (206) is a cable.
5. A tension leg offshore wind power generation foundation according to claim 1, characterized in that pulley means (208) are arranged below the connection rod (203), the pulley means (208) being arranged to support the tension bars (206).
6. A tension leg type offshore wind power generation foundation according to claim 1, wherein the number of the connecting rods (203) and the tension legs (204) is three, and the connecting rods and the tension legs are uniformly distributed in an annular array.
7. A tension leg offshore wind power generation foundation according to claim 1, wherein the tension leg (204) is arranged vertically between the sleeve outer wall (202).
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| CN202311607429.2A CN117360709B (en) | 2023-11-28 | 2023-11-28 | Tension leg type offshore wind power generation foundation |
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| CN202311607429.2A CN117360709B (en) | 2023-11-28 | 2023-11-28 | Tension leg type offshore wind power generation foundation |
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| CN117360709A CN117360709A (en) | 2024-01-09 |
| CN117360709B true CN117360709B (en) | 2024-07-02 |
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| CN118087594A (en) * | 2024-04-28 | 2024-05-28 | 江苏道达风电设备科技有限公司 | Wind power foundation stabilization device |
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| CN111577551A (en) * | 2020-05-27 | 2020-08-25 | 上海电气风电集团股份有限公司 | Floating type fan foundation |
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| KR101488292B1 (en) * | 2014-07-16 | 2015-01-30 | (주)삼원밀레니어 | Floating offshore wind power plant system |
| US11208987B2 (en) * | 2016-03-15 | 2021-12-28 | Stiesdal Offshore Technologies A/S | Floating wind turbine and a method for the installation of such floating wind turbine |
| CN107021190A (en) * | 2017-03-30 | 2017-08-08 | 中国海洋石油总公司 | Can be from the floating tension leg type offshore floating wind turbine foundation installed and its installation method |
| CN108860495A (en) * | 2017-05-09 | 2018-11-23 | 上海绿色环保能源有限公司 | Applied to the floatation type blower between shallow water and deep water |
| CN107585268A (en) * | 2017-07-20 | 2018-01-16 | 山东中车风电有限公司 | Tension leg offshore floating type wind driven generator base |
| WO2019114691A1 (en) * | 2017-12-15 | 2019-06-20 | 上海海事大学 | Combined offshore wind turbine support structural system |
| CN111483564A (en) * | 2020-04-30 | 2020-08-04 | 上海理工大学 | Multi-floating-body platform of offshore floating type wind turbine |
| CN115923998A (en) * | 2022-12-16 | 2023-04-07 | 浙江运达风电股份有限公司 | Mooring equipment of floating system and floating type fan system |
| CN117002689B (en) * | 2023-06-29 | 2024-01-12 | 华中科技大学 | Variable-diameter gravity center adjustable floating SPAR wind power platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111577551A (en) * | 2020-05-27 | 2020-08-25 | 上海电气风电集团股份有限公司 | Floating type fan foundation |
| CN112648149A (en) * | 2021-01-04 | 2021-04-13 | 上海电气风电集团股份有限公司 | Marine formula fan basis and offshore wind turbine that floats |
| CN116280054A (en) * | 2023-02-28 | 2023-06-23 | 深圳深德海洋工程有限公司 | Tension cable type offshore floating wind power generation platform foundation and installation method thereof |
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