CN210882541U - Tension leg platform-wind turbine double-body modularized floating integrated system - Google Patents
Tension leg platform-wind turbine double-body modularized floating integrated system Download PDFInfo
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- CN210882541U CN210882541U CN201922148010.0U CN201922148010U CN210882541U CN 210882541 U CN210882541 U CN 210882541U CN 201922148010 U CN201922148010 U CN 201922148010U CN 210882541 U CN210882541 U CN 210882541U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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- Y02E10/72—Wind turbines with rotation axis in wind direction
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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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- 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
- Y02E10/728—Onshore wind turbines
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Abstract
A tension leg platform-wind machine double-body modularized floating integrated system belongs to the field of ocean energy utilization and comprises a wind machine module, a tension leg platform module, a tension leg system and a platform-wind machine tower frame clamping device. The center of the tension leg type platform module is provided with a sleeve with the inner diameter larger than the outer diameter of the wind turbine module tower, vertical multi-layer wind turbine tower clamping devices are symmetrically distributed in the sleeve, the rubber plug extends to the wind turbine tower in a gear driving mode, the wind turbine tower and the tension leg platform are clamped and butted, and relative movement of the wind turbine module and the tension leg platform module is limited. The wind turbine module of the utility model has self-balancing property, and the installation of the wind turbine module and the tension leg platform module does not change the pretension level of the tension leg system; the fault tolerance performance of the floating offshore wind turbine in the vertical butt joint installation/disassembly and removal process is improved, and the compatibility is obviously enhanced; the tension leg platform is made of an anti-fatigue and anti-corrosion FRP material, and can provide full-life service support for two large offshore wind turbines.
Description
Technical Field
The utility model belongs to ocean energy utilization field relates to the design of tension leg type wind energy conversion system structure full life cycle, installation, fortune dimension and remove the technique such as, provides a tension leg platform-wind energy conversion system binary modularization floating integrated system.
Background
In recent years, due to problems such as global environmental deterioration and energy crisis, various countries in the world have been focusing on the development of offshore wind energy, and it is intended to improve energy structures by building offshore wind farms. Offshore wind energy resources are abundant, and compared with onshore wind power, offshore wind turbines are more stable, so that in recent years, research and construction of offshore wind turbines are continuously strengthened in various countries. However, for norway, the united states, china and other countries, the huge potential of offshore wind resources is mainly in deep water areas with water depth greater than 50m, and compared with floating offshore wind turbines, the construction cost of fixed offshore wind turbines becomes huge with the increase of water depth, so that the floating wind turbines have more development prospects in deep water areas. The floating wind turbine can be divided into a semi-submersible type wind turbine, a Spar type wind turbine, a tension leg type wind turbine and the like according to the basic form of the wind turbine, wherein the tension leg type floating wind turbine has the advantages of small out-of-plane movement, high cost performance, wide applicable water depth range, good stability and the like. The safety and the convenience of the installation of the floating offshore wind turbine are key factors which restrict the development of the floating offshore wind turbine.
In the prior art, the installation method of the offshore wind turbine mainly comprises split installation and integral installation: the split installation is that a movable self-lifting platform provided with hydraulic support legs is used to complete the sectional type lifting of the wind turbine; the integral installation is that the integral assembly of the wind turbine is firstly completed on the land, and the integral hoisting of the wind turbine is completed by using a large-scale floating crane.
The defects of the prior art are as follows: the installation of an offshore wind turbine needs to realize the butt joint of a wind turbine tower and a tower drum on an offshore base, and the collision damage in the installation process needs to be avoided to the utmost extent while the butt joint accuracy is ensured. Particularly, when a split installation method is adopted, the floating platform base is very easy to move greatly due to the influence of sea waves, so that the butt joint difficulty is further increased. When the integral installation method is adopted, the requirement on marine transportation is high, a transport ship with higher bearing capacity is needed, and better stability is needed to be maintained in the transportation process, so that the damage of the integral structure is avoided. At present, a floating platform offshore wind turbine modular combination system which can be conveniently assembled and disassembled and has good compatibility is very lacking.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a tension leg platform-wind energy conversion system binary modularization floating integrated system adopts the modularization concept that easily builds, installation, dismantlement, compatibility are good, through set up platform-wind energy conversion system pylon clamping device in tension leg platform, divide tension leg platform and wind turbine into two self-balancing main module that easily make up and split to reduce the difficulty of the marine loading and unloading of tension leg formula wind energy conversion system platform and change, and improve its atress performance, reduce overall structure installation and remove the cost.
In order to achieve the above object, the utility model discloses a technical scheme be:
a tension leg platform-wind turbine double-body modularized floating integrated system comprises a wind turbine module 1, a tension leg platform module 2, a tension leg system 3 and a plurality of platform-wind turbine tower clamping devices.
The wind turbine module 1 has the buoyancy self-balancing characteristic, and after the wind turbine module 1 is placed in water, the self-buoyancy force of the wind turbine module 1 is equal to the self-structural gravity of the wind turbine module, so that self-gravity and buoyancy self-balancing can be realized. The tension leg platform module 2 has a buoyancy self-balancing characteristic, after the tension leg platform module is placed in water, the self-buoyancy of the semi-submersible platform module 2 is equal to the self-structural gravity of the semi-submersible platform module, self-gravity and buoyancy self-balancing can be achieved, a wind turbine sleeve is arranged at the center of the semi-submersible platform module, the inner diameter of the wind turbine sleeve is larger than the outer diameter of the wind turbine module 1, and the bottom of the wind turbine module 1 can penetrate through the wind turbine. The plurality of platform-wind turbine tower clamping devices are vertically and symmetrically distributed in the central sleeve of the tension leg platform module 2 in multiple layers, and the platform-wind turbine tower clamping devices are the same in structure size, can cooperatively work and are convenient to maintain. The tension leg system 3 comprises a plurality of symmetrically distributed tension legs, the upper ends of the tension legs are hinged with four end corners of the tension leg platform module 2, and the lower ends of the tension legs are fixed on the seabed and used for limiting the motion response of the tension leg platform module.
The platform-wind turbine tower clamping device comprises a rubber plug 4, a corrosion-resistant fiber composite material pad 5 with a high friction coefficient and a gear transmission structure. The fiber composite material pad 5 is fixed on the outer side surface of one end of the rubber plug 4, so that the clamping effect of the tension leg platform and the fan structure is facilitated; the rubber stopper 4 is embedded into the central wind turbine sleeve of the tension leg platform module 2 and can slide along the diameter direction of the wind turbine sleeve. The gear transmission structure comprises a gear structure 6, a cam 7, a driving shaft 8, a rack 9, a horizontal rod 10 and a stop block 11. Horizontal pole 10 one end and rubber buffer 4's other end rigid coupling, the other end is equipped with rack 9, rack 9 meets with 6 meshing connection rack 9 length of gear structure: the gear structure 6 can rotate one turn on the rack 9; the gear structure 6 and the cam 7 are fixed on the driving shaft 8 and can rotate together with the driving shaft, the gear structure 6 can just rotate between the bottom of the stop block 11 and the rack 9, and the cam 7 is positioned on one side of the gear structure 6 and can be contacted with the stop block 11 in the rotating process; the axis position of the driving shaft 8 is fixed, and the driving shaft is driven to rotate around the axis by an engine; the top end of the stop block 11 is fixed inside the semi-submersible platform module 2 and arranged above the rack 9, and the cam 7 can be contacted with the stop block 11 after rotating to a certain position to lock the position of the gear structure 6.
Furthermore, the tension leg platform module 2 and the tension leg are made of Fiber Reinforced Plastic (FRP) or common steel, and the FRP has the advantages of corrosion resistance and fatigue resistance, and is favorable for the long-life design of the tension leg platform.
Further, the bottom of the wind turbine module 1 is located in a corresponding clamping area in a wind turbine sleeve to be subjected to structural reinforcement treatment.
A use method of a tension leg platform-wind turbine double-body modularized floating integrated system comprises the following steps:
when the wind turbine module 1 is installed, the wind turbine module 1 is hung into a central sleeve of the tension leg platform module 2 through professional offshore hoisting equipment, after the wind turbine module 1 is self-balanced in water, a driving shaft 8 of each platform-wind turbine tower clamping device cooperatively rotates towards the outside of the cylinder to drive the gear structure 6 and the cam 7 to rotate around the same direction, then a horizontal rod 10 is driven through a rack 9 meshed with the gear structure 6 to push the rubber plug 4 to the cylinder center and continuously approach the wind turbine module 1 until the fiber composite material pad 5 is fully clamped and contacted with the outer wall of the tower of the wind turbine module 1, so that the relative motion of the wind turbine module 1 and the tension leg platform 2 is limited, at the moment, the gear structure 6 rotates until the rack 9 is far away from one side of the rubber plug 4, the cam 7 rotates to be contacted with the side face of the stop block 11 close to the rubber plug 4, and the gear structure 6 is prevented from, so that the rubber stopper 4 is no longer extended into the barrel and the clamped state is locked.
When the wind turbine module 1 is disassembled, the driving shaft 8 of each platform-wind turbine tower clamping device rotates towards the inner direction of the cylinder in cooperation with the driving shaft, the gear structure 6 and the cam 7 are driven to rotate around the same direction, the horizontal rod 10 is driven by the rack 9 meshed with the gear structure 6, the rubber plug 4 is pulled towards the outside of the cylinder, and therefore clamping constraint on the wind turbine module 1 is relieved. After the rubber buffer 4 withdraws a proper distance to the barrel, both gear structure 6 rotates to the side where rack 9 is close to rubber buffer 4, cam 7 rotates to the side contact far away from rubber buffer 4 with dog 11, prevents through baffle 11 that gear structure 6 continues to rotate to the barrel interior direction, prevents that rubber buffer 4 from continuing to slide to the barrel exterior, can conveniently hang out platform center sleeve with wind turbine module 1 through relevant lifting device this moment.
The utility model discloses tension leg platform-wind turbine binary modularization floating integrated system adopts the modularization concept that easily builds, installs, dismantles and the compatibility is good, through set up sleeve and platform-wind turbine pylon clamping device at tension leg platform center, divides tension leg platform and wind turbine into two self-balancing modules that easily make up and split, reduces the installation/removal risk and the relevant construction cost of tension leg formula offshore wind turbine platform, provides convenient technical scheme for the design, installation, fortune dimension and the removal of offshore wind turbine; the beneficial effects are as follows:
(1) the buoyancy of the wind turbine module is equal to the self-structural gravity of the wind turbine module, the self-balancing performance is realized, and the installation of the wind turbine module and the tension leg platform module does not change the relation between the buoyancy of the original tension leg platform module and the self-structural gravity, namely the pretension level of a tension leg system is not changed; the stress characteristics of the wind turbine module and the tension leg platform in the installation/removal process are improved, and the vertical coupling stress between the platform module and the wind turbine module is reduced, so that the safety of the whole tension leg type wind turbine platform system in the installation/removal process is improved.
(2) The design that the inner diameter of the central sleeve of the tension leg platform is slightly larger than the outer diameter of the wind turbine module tower is matched with the clamping device, so that the fault tolerance performance of the floating offshore wind turbine in the butt joint installation/disassembly and removal process is favorably improved, the requirement on the construction precision of the butt joint structure part of the platform and the wind turbine tower is reduced, the limiting conditions on hoisting equipment and installation/removal sea conditions are reduced, and the installation and removal cost is further saved.
(3) Because the platform module and the wind turbine module can be conveniently and rapidly operated in the installation and removal process by controlling the clamping state of the clamping device, the wind turbine can be conveniently removed, maintained and replaced by the wind turbine due to major faults, and other operation and maintenance operations can be conveniently carried out.
(4) Because the requirement on the structural matching degree of the platform module and the wind turbine module is not high (as long as the inner diameter of the platform sleeve is properly larger than the outer diameter of a wind turbine tower), the combined mode can be widely applied to the modular integration of floating platform systems of different types and different rated powers of offshore wind turbines, namely the compatibility of the same tension leg platform system and different wind turbine module systems is also obviously enhanced; .
(5) The tension leg platform can adopt a structural design scheme of an anti-fatigue and anti-corrosion FRP material, the design life of the platform can reach more than 50 years, namely the platform can provide full-life service support for two large offshore wind turbines (the design life of a single body is generally 20-25 years), so that the structural cost of the system is saved, and the service efficiency of the platform structure is improved.
Drawings
Fig. 1 is a schematic front view of the tension leg platform-wind turbine two-body modular floating integrated system of the present invention, wherein the thin dashed line represents the sea level.
Fig. 2 is a schematic top view (without wind turbine) of the tension leg platform-wind turbine double-body modularized floating integrated system of the present invention.
Fig. 3(a) is a schematic front view of the wind turbine clamping device of the present invention.
Fig. 3(b) is a schematic top view of the wind turbine clamping device of the present invention, wherein the top end of the stopper 11 is fixed inside the tension leg platform module.
In the figure: 1, a wind turbine module; 2 a tension leg platform module; 3a tension leg system; 3a tension leg system upper platform connection; 3b, connecting the lower part of the tension leg system on the seabed; 4, rubber stopper; 5 a fiber composite mat; 6, a gear structure; 7, a cam; 8 driving the shaft; 9 rack bars; 10 horizontal rods; 11 stop block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
The tension leg platform-wind turbine double-body modularized floating integrated system comprises a wind turbine module 1, a tension leg platform module 2, a tension leg system 3 and a platform-wind turbine tower clamping device.
The self gravity and buoyancy of the wind turbine module 1 are self-balanced; the tension leg platform module 2 can achieve self-balance through self structural gravity, tension leg pretension and buoyancy, a wind turbine sleeve is arranged at the center of the tension leg platform module, the inner diameter of the tension leg platform module is 1m larger than the outer diameter of the wind turbine module 1, and the bottom of the wind turbine module 1 can penetrate through the sleeve to enter the sea; the tension leg system 3 comprises four symmetrically distributed tension legs, the upper ends of the four tension legs are hinged with four end angles of the tension leg platform module 2 at the connecting part 3a of the upper platform of the tension leg system, and the lower ends of the four tension legs are fixed on the seabed at the connecting part 3b of the lower seabed of the tension leg system and used for limiting the motion response of the tension leg platform module; the tension leg platform module and the tension leg can be made of Fiber Reinforced Plastics (FRP), and the FRP has the advantages of corrosion resistance and fatigue resistance and is favorable for the long-life design of the tension leg platform.
The platform-wind turbine tower clamping devices are vertically and symmetrically distributed in the central sleeve of the tension leg platform module 2 in multiple layers and comprise rubber plugs 4, fiber composite material pads 5 and gear transmission structures, wherein the corrosion-resistant high-friction-coefficient fiber composite material pads 5 are fixed on the outer side surfaces of the rubber plugs 4, so that the clamping effect of the tension leg platform and the fan structure is facilitated, the rubber plugs 4 are embedded in the central sleeve of the tension leg platform module 2 and can slide along the diameter direction of the central sleeve of the platform, and the platform-wind turbine tower clamping devices are the same in structure size, can cooperatively work and are convenient to maintain; in addition, the position of the clamping area corresponding to the wind turbine module (1) suggests to carry out structure local reinforcement treatment, in particular to increase the wall thickness of the local tower structure of the wind turbine and add a layer of corrosion-resistant fatigue-resistant high-performance composite fiber material on the outer side of the tower.
The gear transmission structure comprises a gear structure 6, a cam 7, a driving shaft 8, a rack 9, a horizontal rod 10 and a stop block 11. Wherein 8 axle center positions of drive shaft are fixed, and it is rotatory around the axle center through engine drive, and gear structure 6 and cam 7 are all fixed on drive shaft 8 to can rotate along with it, and gear structure 6 is connected with the meshing of rack 9, and rack 9 is fixed in the one end of horizontal rod 10, and the other end of horizontal rod 10 and rubber buffer 4 rigid coupling. The top end of the stop block 11 is fixed inside the semi-submersible platform module 2 and is arranged above the horizontal rod 10.
When in use:
when the wind turbine module 1 is installed, the wind turbine module 1 is hung into the central sleeve of the tension leg platform module 2 through professional offshore hoisting equipment, after the wind turbine module 1 is self-balanced in water, the driving shaft 8 of each platform-wind turbine tower clamping device cooperatively rotates towards the outside of the cylinder to drive the gear structure 6 and the cam 7 to rotate around the same direction, then the rack 9 meshed with the gear structure 6 drives the horizontal rod 10 to push the rubber plug 4 to the cylinder center and continuously approach the wind turbine module 1 until the corrosion-resistant high-friction-coefficient fiber composite material pad 5 is in full clamping contact with the outer wall of the tower of the wind turbine module 1, so that the relative motion of the wind turbine module 1 and the tension leg platform 2 is limited, at the moment, the cam 7 rotates to the position in contact with the side face of the stop block 11, and the gear structure 6 is prevented from continuously rotating towards the outside of the cylinder through, so that the rubber stopper 4 is no longer extended into the barrel and the clamped state is locked.
When the wind turbine module 1 is disassembled, the driving shaft 8 of each platform-wind turbine tower clamping device rotates towards the inside of the cylinder in coordination with the gear structure 6 and the cam 7 to rotate around the gear structure and the cam 7 in the same direction, then the rack 9 meshed with the gear structure 6 drives the horizontal rod 10 to pull the rubber plug 4 towards the outside of the cylinder, so that the clamping constraint on the wind turbine module 1 is relieved, after the rubber plug 4 retracts to the outside of the cylinder for a proper distance, the cam 7 rotates to a position contacted with the bottom surface of the baffle 11, the baffle 11 prevents the gear structure 6 from continuing to rotate towards the inside of the cylinder, the rubber plug 4 is prevented from continuing to slide towards the outside of the cylinder, and at the moment, the wind turbine module 1 can be conveniently lifted out of the central sleeve of the.
The utility model is designed to combine the following factors:
(1) according to the water depth, the wind wave statistical characteristics and the construction and installation requirements of the site selection site, the size and the shape of the tension leg platform module and the main structural design parameters of the tension leg are optimally selected, the offshore installation conditions of the tension leg platform module are effectively improved, and the dynamic response characteristics of the tension leg platform module meet the design requirements.
(2) The main design parameters of the tension leg platform module are combined, and the main design parameters of the type, the size, the rated power and the like of the wind turbine module are optimally selected according to the wind resource characteristics of the site selection place, so that the combined structure of the wind turbine module and the tension leg platform module has better stress characteristics, is safer and more convenient to install, and can capture more wind energy.
(3) The main design parameters of the tension leg platform module and the wind turbine platform module are combined, the number and the distribution mode of the platform-wind turbine tower clamping devices and the size and the shape of each part are optimized and selected according to the requirements of the stress and the movement performance of the wind turbine module structure, the control of the platform-wind turbine tower clamping devices on the relative movement of the wind turbine module is optimized, and the power response characteristics of the wind turbine module meet the design requirements.
The construction and installation process of the tension leg platform-wind turbine double-body modularized floating integrated system is as follows: firstly, according to the existing tension leg platform construction process and a tension leg system arrangement scheme, a tension leg system 3 is arranged on the seabed of a planned addressing area; secondly, a professional construction ship is used for carrying the upper tension leg platform module 2 installed in the dock to a corresponding designated sea area of the tension leg system 3, and butt joint installation of the tension leg platform module 2 and the tension leg system 3 is completed through a tension leg platform water injection/drainage installation strategy adopted in the international ocean engineering field; thirdly, hoisting the wind turbine module 1 into the sleeve of the tension leg platform module 2 by using a professional marine hoisting ship, slowly enabling the lower structure of the wind turbine module 1 to enter seawater, and finally enabling the wind turbine module 1 to keep basic vertical stress balance by using self-weight and buoyancy; and finally, cooperatively starting all platform-wind turbine tower clamping devices in the tension leg platform module 2 to successfully clamp the wind turbine module 1, namely limiting the relative motion of the wind turbine module, and further completing the installation of the tension leg platform-wind turbine double-body modularized floating integrated system.
The above-mentioned embodiments only represent the embodiments of the present invention, but can not be understood as the limitation of the scope of the present invention, and it should be noted that, for those skilled in the art, a plurality of variations and improvements can be made without departing from the concept of the present invention, and all of them belong to the protection scope of the present invention.
Claims (3)
1. A tension leg platform-wind machine double-body modularized floating integrated system is characterized by comprising a wind machine module (1), a tension leg platform module (2), a tension leg system (3) and a plurality of platform-wind machine tower clamping devices;
the wind turbine module (1) has the buoyancy self-balancing characteristic; the tension leg platform module (2) has the buoyancy self-balancing characteristic, a wind turbine sleeve is arranged at the center of the tension leg platform module, the inner diameter of the wind turbine sleeve is larger than the outer diameter of the wind turbine module (1), and the bottom of the wind turbine module (1) can penetrate through the wind turbine sleeve to enter the sea; the plurality of platform-wind turbine tower clamping devices are vertically and symmetrically distributed in the central sleeve of the tension leg platform module (2) in multiple layers, and the platform-wind turbine tower clamping devices have the same structure size and work cooperatively; the tension leg system (3) comprises a plurality of symmetrically distributed tension legs, the upper ends of the tension legs are hinged with four end angles of the tension leg platform module (2), and the lower ends of the tension legs are fixed on the seabed and used for limiting the motion response of the tension leg platform module;
the platform-wind turbine tower clamping device comprises a rubber plug (4), a corrosion-resistant fiber composite material pad (5) with high friction coefficient and a gear transmission structure; the fiber composite material pad (5) is fixed on the outer side surface of one end of the rubber plug (4), so that the clamping effect of the tension leg platform and the fan structure is facilitated; the rubber plug (4) is embedded into a central wind turbine sleeve of the tension leg platform module (2) and can slide along the diameter direction of the wind turbine sleeve; the gear transmission structure comprises a gear structure (6), a cam (7), a driving shaft (8), a rack (9), a horizontal rod (10) and a stop block (11); one end of the horizontal rod (10) is fixedly connected with the other end of the rubber plug (4), and the other end is provided with a rack (9); the gear structure (6) and the cam (7) are fixed on the driving shaft (8) and can rotate together with the driving shaft, the gear structure (6) can just rotate between the bottom of the stop block (11) and the rack (9), the cam (7) is positioned on one side of the gear structure (6), and can be contacted with the stop block (11) in the rotating process; the axis position of the driving shaft (8) is fixed, and the driving shaft is driven to rotate around the axis by an engine; the top end of the stop block (11) is fixed inside the semi-submersible platform module (2) and arranged above the rack (9), and the cam (7) is in contact with the stop block (11) after rotating to a certain position to lock the position of the gear structure (6).
2. A tension leg platform-wind turbine double-body modularized floating integrated system as claimed in claim 1, characterized in that the tension leg platform module (2) and the tension leg are made of fiber reinforced plastic FRP or common steel.
3. The tension leg platform-wind turbine double-body modularized floating integrated system as claimed in claim 1, wherein the bottom of the wind turbine module (1) is located at the corresponding clamping area in the wind turbine sleeve for structure reinforcement.
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| CN110758663A (en) * | 2019-12-04 | 2020-02-07 | 海南大学 | Tension leg platform-wind turbine double-body modularized floating integrated system and using method thereof |
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