CN108757336A - A kind of four columns band ballast semi-submersible type floating blower foundation - Google Patents
A kind of four columns band ballast semi-submersible type floating blower foundation Download PDFInfo
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- CN108757336A CN108757336A CN201810413605.1A CN201810413605A CN108757336A CN 108757336 A CN108757336 A CN 108757336A CN 201810413605 A CN201810413605 A CN 201810413605A CN 108757336 A CN108757336 A CN 108757336A
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- 238000007667 floating Methods 0.000 title claims abstract description 50
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- 238000005452 bending Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 9
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- 238000010276 construction Methods 0.000 description 6
- 108010066278 cabin-4 Proteins 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
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- 230000005611 electricity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000000545 stagnation point adsorption reflectometry Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 241000341910 Vesta Species 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
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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
- 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
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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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
- 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
- B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention discloses a kind of four columns band ballast semi-submersible types to float blower foundation, including four columns, wherein three are edge column, remaining one is central post；Three edge column equidistant intervals, which arrange, surrounds an equilateral triangle, and every edge column is mating there are one rectangular cabin, and three edge columns are placed on respective rectangular cabin；Central post is located at the centre of form of equilateral triangle, and mating there are one round cabin, and central post is placed on the circle cabin；The connection of variable cross-section rectangle floating drum is respectively adopted between each rectangular cabin and round cabin；The top of central post and the tower junction of wind turbine are provided with transition platform, transmit complete blower bending load using diagonal brace between transition platform and variable cross-section rectangle floating drum, connecting bridge is provided between diagonal brace and variable cross-section rectangle floating drum.The present invention is that big megawatt wind unit (7MW or more) provides offshore support structure safe and reliable, that cost is controllable, ensures big megawatt wind set steady safe and reliable operation.
Description
Technical field
The present invention relates to the technical fields of offshore wind power foundation, refer in particular to a kind of four columns band ballast semi-submersible type floating wind
Machine basis.
Background technology
China's offshore wind power development just moves towards the large-scale application stage from prototype test, small lot, at present fixed offshore
Wind power plant is developed in progress just like a raging fire, and the main battle ground of offshore wind farm construction is become.From the angle of development, the 50m depth of waters
The above floatation type marine wind electric field exploitation, and will be as " air port " in the following offshore wind farm.
With the increase of the depth of water, fixed offshore Wind turbines basic cost ramps, and builds difficulty and increases, construction peace
It is notable to dress up this increase.Due to assembling precision and the requirement of severe marine environmental conditions, current major part sea turn motor
Group installation uses split type lifting mode, marine jack up wind turbine installation vessel generally to be limited as important equipment, the installation depth of water
Within the 40m depth of waters.So offshore wind farm will necessarily select floatation type blower foundation as wind-powered electricity generation into deep-sea evolution
The support construction of unit.
Floatation type wind turbine has following advantage：1, it is suitable for the larger marine site of the depth of water, wind energy resources are huge；2, bigger single machine is accommodated
The wind power generating set of capacity；3, it realizes and positions by anchoring system, it is stronger to environmental suitability；4, buoyant foundation is convenient for dragging
Boat repeats and utilizes deployment；5, it is much lower to build the more fixed wind turbine of installation cost, can integral installation, whole towage, do not have to beat
Pile driving construction.
Floatation type blower foundation design in the country's is in conceptual phase, no model machine at present；
The built floatation type project of foreign countries is as follows：
2009:Hywind Demonstrator (Norway)
First full-scale floatation type wind turbine model machine was mounted on Norwegian coast in 2009 in the world, and foundation structure is state of Norway
The Hywind open side type floating bodies of family's oil, carry Siemens's 2.3MW wind turbine.Military service position is the Norway of Norway bank 10km
The North Sea, depth of water 200m, in September, 2009 brings into operation.The 37.6Gwh that generates electricity is added up since self-operating, overall performance is very good.
The test of 44m/s wind speed and 19m maximum wave heights has been withstood during one's term of military service, it was demonstrated that the reliability of Hywind.
2011:WindFloat-Phase 1 (Portugal)
The WindFloat of Principle Power companies is the full-scale floatation type wind turbine model machine of the second in the world, in 2011
Year is mounted on the region away from Portugal seashore 5km, and in July, 2016 is retired.The item base structure is flat for WindFloat semi-submersible types
Platform carries a 2MW Vestas V80 wind turbine.Principle Power corporation plans are carried out from 2018 in Europe and the U.S.
Business test operation project includes the 30MW projects of Portuguese 25MW projects and Oregon, and for the year two thousand twenty input, business is transported comprehensively
With paving the way.
2013-2015:Fukushima pioneer project-Phase 1and Phase 2 (Japan)
From after Fukushima nuclear leakage accident in 2011, Japanese government starts Fukushima pioneer's project, it is intended to establish in the world most
Big floating wind power plant.First stage project from compact semisubmersible platform carry 2MW leewards to wind turbine, the world is first changes
It forms into type open side type floating booster stations and submarine cable, and was completed in 2013.
Second stage project is that a V-type semisubmersible platform carries 7MW Mitsubishi Heavy Industries Ltd's wind turbines in completion in 2015, and one changes
5MW Hitachi's wind turbines are carried into type open side type platform to complete in 2016.Japanese government plans will in the Olympic Games of the year two thousand twenty Tokyo
Wind power plant is extended to 100MW, and has planned the long-term goal of 1GW.
For the floatation type basic concept that Hywind is used for SPAR, floating structure is an about elongated steel of 117m long
Pipe, one end are pedestals, and the other end is wind turbine flange.It is transported to infield with the steel pipe that ballast tank fills up and stands on sea
The total in face, floating body is connected with seabed by 3 cable system anchors.Windfloat project floatation types basis is that semi-submersible type is general
Read, main body is made of three floating drums, and wind turbine is stood on one of floating drum, dynamic ballast water can with automotive resistance wind heeling moment,
Bottom by four stretched wire linear systems it is solid in the depth of water be more than 50m seabed.
Hywind floatation types blower foundation designs to ensure that basic six degree of freedom response meets wind turbine unit design requirement
Drinking water is deeper, reaches 100m or more, the marine site wind-resources exploitation that can not be applied within 50m to 100m；And installation and transportation need
Horizontal transport is to wind turbine seat in the plane point, and carrying out ballast tank ballast in seat in the plane point makes wind turbine stand on sea, then installs wind turbine unit,
Installation process is relative complex of high cost.WindFloat projects use partly latent floatation type wind turbine base identical with the technical program
Plinth, main body are made of three floating drums at a distance of 35m, and assembling is wherein on a floating drum, and ballast water adjust automatically is to resist
Wind heeling moment, positioning system are positioned using mooring, which on a floating drum, acts on basis wherein
On gravitational load it is asymmetric, need to adjust the ballast in three floating drums to offset this fractional load, and practical fan operation
In the process, wind direction can change, and the wind heeling moment direction that entire wind turbine is subject to can change, and dynamic is needed to adjust ballast water
Quantity and distribution, due to the transience of wind vector, ballast water adjustment time requirement it is short, actual difficulty is larger, is also easy to produce
Uneven load reduces the fatigue behaviour of foundation structure.
Invention content
It is an object of the invention to overcome the deficiencies in the prior art, it is proposed that a kind of structure is reliable, movenent performance is excellent, solid
Have that the period is feasible, four columns of load distributing equilibrium band ballast semi-submersible type floats blower foundation, is big megawatt wind unit (7MW
More than) offshore support structure safe and reliable, that cost is controllable is provided, ensure big megawatt wind set steady safe and reliable operation,
Suitable for Anti-Typhoon deep-sea marine site.
To achieve the above object, technical solution provided by the present invention is：A kind of four columns band ballast semi-submersible type floating wind
Machine basis, includes four columns, wherein three are edge column, remaining one is central post；Between three edge columns are equidistant
Surround an equilateral triangle every arranging, and every edge column it is mating there are one have ballast and reduce heave amplitude effect
Rectangular cabin, three edge columns are placed on respective rectangular cabin；The central post is located at the centre of form of above-mentioned equilateral triangle
Place, and it is mating there are one having ballast and reducing the round cabin of heave amplitude effect, and the central post is placed on the circle cabin；
The connection of variable cross-section rectangle floating drum is respectively adopted between each rectangular cabin and round cabin, plays the transmission of ballast and power；In described
The top of column and the tower junction of wind turbine are provided with transition platform, are adopted between the transition platform and variable cross-section rectangle floating drum
Complete blower bending load is transmitted with diagonal brace, and is provided with connecting bridge between the diagonal brace and variable cross-section rectangle floating drum, is realized oblique
The transmission of power, makes the unbalanced load that complete blower passes over effectively be dissipated between support and variable cross-section rectangle floating drum.
The bottom in the rectangular cabin uses arc heave plate, further to reduce the whole of floating blower foundation to the maximum extent
Body heaving.
Anchor chain is installed in the arc heave plate.
It is provided with walkaround between the top and transition platform of every edge column.
Compared with prior art, the present invention having the following advantages that and advantageous effect：
1, this programme floating blower foundation uses partly latent pattern, opposite SPAR patterns to reduce more than half drinking water, pass through sea
Domain environmental condition adjusts structure size, can be suitably used for wider array of marine site, the marine sites 40m or more can use this foundation structure pattern.
2, this programme uses four pillar constructions, and for edge column at triangle, central post plays the transmission of wind turbine support and power, whole
Stable structure, stand under load distributing equilibrium.
3, four column of this programme uses circular configuration, by other knots of the resistance coefficient relative to same homalographic of seaway load
Configuration formula is small, therefore relatively small by seaway load.
4, this programme increases rectangular cabin, round cabin below four columns, and change is increased again between rectangular cabin and round cabin
Section matrix floating drum, as the ballast tank of floatation type blower foundation, ballast volume is big, and in floatation type blower foundation bottom, energy
The height of C.G. for considerably reducing total is not changing height of center of buoyancy, improves basic stability, metacentric height
Up to 10m or more.
5, this programme edge column centre-to-centre spacing reaches 65m, and floating blower foundation unitary rotation inertia is larger so that whole antidumping
Better performances, roll and pitch superior performance.
6, rectangular cabin and round cabin in this programme other than as ballast tank, and are play a part of to increase heaving damping, be reduced
Basic heaving amplitude, while rectangular bilge portion increases arc heave plate, the size of heave plate can be according to floating blower foundation fortune
Dynamic performance heaving amplitude is adjusted, and the heaving amplitude of structure is made to be optimal.
7, mooring is carried out using anchor chain between this programme floating blower foundation and sea bed, passes through the coupling point on basis and anchor chain
Analysis, can finally determine the arrangement and quantity of anchor chain, make floating blower foundation that there is superior swaying, surging, head to shake performance,
And it avoids wind turbine single order and turns frequency and wave frequencies.
8, this programme floating fan foundation structure is full steel structure, uses and is welded and fixed between structure, avoids different knots
Connectivity problem between structure, only need to be by ensureing welding quality, and structural strength and the fatigue for floating blower foundation are imitative by finite element
It is true it is ensured that structural reliability in follow-up operation.
9, this programme floating blower foundation is built in dock, lifting installation Wind turbines after the completion of building, by adjusting
Ballast reduces basic drinking water, can meet and drag installation requirement using whole float of tugboat progress, needed for the installation of current offshore wind turbine
Large-scale Hoisting ship, saved construction cost.
Description of the drawings
Fig. 1 is the structural schematic diagram after present invention installation upper fan.
Specific implementation mode
The present invention is further explained in the light of specific embodiments.
Shown in Figure 1, the four columns band ballast semi-submersible type that the present embodiment is provided floats blower foundation, includes neutrality
Column 1, edge column 2, diagonal brace 3, rectangular cabin 4, round cabin 5, variable cross-section rectangle floating drum 6, connecting bridge 7, arc heave plate 8, transition are flat
Platform 9, walkaround 10 and anchor chain 11；The edge column 2 has three to be located at the equilateral triangle corner point that the length of side is 65m, diameter
About 8m；The central post 1 is located at the centre of form of equilateral triangle, diameter about 10m；Each edge column 2 is placed on a length of side about
On the rectangular cabins 15m 4, has ballast and reduce the effect of heave amplitude；Central post 1 is placed on the round cabin 5 of a diameter about 14m
On, have ballast and reduces the effect of heave amplitude；The bottom in the rectangular cabin 4 uses arc heave plate 8, with further maximum
Reduce to limit the whole heaving of floating blower foundation, while anchor chain 11, anchor chain 11 being installed in the arc heave plate 8
Effect be that floatation type wind turbine is made to be fixed on a certain marine site, do not generate larger swaying, surging and head and shake movement, it is specific to arrange
Mode can be analyzed by the coupling hydrodynamic analysis of anchor chain 11 and floating blower foundation and be determined；Between three rectangular cabins 4 and round cabin 5
Two variable cross-section rectangle floating drums 6 are respectively adopted to connect, play the transmission of ballast and power；The top of the central post 1 and wind turbine
12 junction of tower be provided with transition platform 9, between the transition platform 9 and variable cross-section rectangle floating drum 6 using diagonal brace 3 transmit
The wind loads such as complete blower moment of flexure, while connecting bridge 7 is provided between the diagonal brace 3 and variable cross-section rectangle floating drum 6, realize diagonal brace
The transmission of power between 3 and variable cross-section rectangle floating drum 6, makes the unbalanced load that complete blower passes over effectively be dissipated；Institute
It states and is provided with walkaround 10 between transition platform 9 and the top of edge column 2.
After using above scheme, central post 1 and edge column 2 can provide complete machine buoyancy, and scantling draft can be controlled in the left sides 20m
The right side, the distance between three edge columns 2 reach 65m or more, are effectively increased the rotary inertia on basis, make roll and pitch amplitude
It controls in the safe range of floating complete blower operation.Transition platform 9, diagonal brace 3 provide blower fan pylon bottom resultant bending moment
Transmission path makes the unbalanced load that total dissipation wind turbine passes over finally by connecting bridge 7 and variable cross-section rectangle floating drum 6
Lotus.Rectangular cabin 4 and round cabin 5 and variable cross-section rectangle floating drum 6, the whole ballast of floating wind turbine is provided as ballast tank, makes drift
Floating wind turbine entirety center of gravity reduces, and GM values increase, and whole stability is turned up and does not generate and topples under limit external environment, ensures unit
Safety.Rectangular cabin 4, round cabin 5 and variable cross-section rectangle floating drum 6 also add heaving damping in addition to providing ballast effect,
Make the control of heaving amplitude in a certain range.Arc heave plate 8 can greatly increase floatation type base viscosity hydrodynamic force
Damping, structure size can obtain reliable damped coefficient by CFD simulation calculations, and heaving is finally made to meet unit peace
Full property requirement.
The examples of implementation of the above are only the preferred embodiments of the invention, and the implementation model of the present invention is not limited with this
It encloses, therefore changes made by all shapes according to the present invention, principle, should all cover within the scope of the present invention.
Claims (4)
1. a kind of four columns band ballast semi-submersible type floats blower foundation, it is characterised in that：Include four columns, wherein three are
Edge column, remaining one is central post；Three edge column equidistant intervals, which arrange, surrounds an equilateral triangle, and every side
Column is mating there are one having ballast and reducing the rectangular cabin of heave amplitude effect, and three edge columns are placed on respective
On rectangular cabin；The central post is located at the centre of form of above-mentioned equilateral triangle, and it is mating there are one have ballast and reduce heaving
The round cabin of amplitude effect, the central post are placed on the circle cabin；Change is respectively adopted between each rectangular cabin and round cabin
Section rectangle floating drum connection, plays the transmission of ballast and power；The top of the central post and the tower junction of wind turbine are arranged
There is transition platform, complete blower bending load, and institute are transmitted using diagonal brace between the transition platform and variable cross-section rectangle floating drum
It states and is provided with connecting bridge between diagonal brace and variable cross-section rectangle floating drum, realize the transmission of power between diagonal brace and variable cross-section rectangle floating drum,
The unbalanced load that complete blower passes over is set effectively to be dissipated.
2. a kind of four columns band ballast semi-submersible type according to claim 1 floats blower foundation, it is characterised in that：The side
The bottom in shape cabin uses arc heave plate, further to reduce the whole heaving of floating blower foundation to the maximum extent.
3. a kind of four columns band ballast semi-submersible type according to claim 2 floats blower foundation, it is characterised in that：The arc
Anchor chain is installed in shape heave plate.
4. a kind of four columns band ballast semi-submersible type according to claim 1 floats blower foundation, it is characterised in that：Every side
It is provided with walkaround between the top and transition platform of column.
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| CN201810413605.1A CN108757336A (en) | 2018-05-03 | 2018-05-03 | A kind of four columns band ballast semi-submersible type floating blower foundation |
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| CN201810413605.1A CN108757336A (en) | 2018-05-03 | 2018-05-03 | A kind of four columns band ballast semi-submersible type floating blower foundation |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110294076A (en) * | 2019-06-27 | 2019-10-01 | 中国电建集团西北勘测设计研究院有限公司 | A kind of offshore wind farm buoyant foundation structure |
| CN110949632A (en) * | 2019-11-14 | 2020-04-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Semi-submersible floating type fan foundation, fan and construction method of fan |
| CN111021393A (en) * | 2019-11-14 | 2020-04-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Floating type fan foundation, fan and construction method thereof |
| CN111252660A (en) * | 2020-01-16 | 2020-06-09 | 上海电气风电集团股份有限公司 | Buoyancy device and method for integral transportation of offshore wind turbine |
| CN111688876A (en) * | 2020-06-22 | 2020-09-22 | 中交第三航务工程勘察设计院有限公司 | Floating type wind power foundation structure and construction and installation method thereof |
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| CN113306671A (en) * | 2021-05-24 | 2021-08-27 | 中国能源建设集团广东省电力设计研究院有限公司 | Floating type offshore wind turbine system |
| CN113815797A (en) * | 2021-09-10 | 2021-12-21 | 海洋石油工程股份有限公司 | Semi-submersible type floating wind power platform with outward-inclined stand columns |
| CN113993779A (en) * | 2019-05-30 | 2022-01-28 | 原理动力有限公司 | Floating wind turbine platform controlled to optimize power production and reduce loads |
| CN114030567A (en) * | 2021-11-15 | 2022-02-11 | 鲍韵清 | Floating transportation and installation system for offshore wind turbine |
| CN114537601A (en) * | 2022-03-04 | 2022-05-27 | 上海理工大学 | Bionic queen lotus semisubmersible floating platform |
| CN114555459A (en) * | 2019-09-25 | 2022-05-27 | 三叶草股份有限公司 | Floating metal platform |
| CN114604379A (en) * | 2022-03-28 | 2022-06-10 | 中海石油(中国)有限公司 | Semi-submersible floating type fan foundation with anti-collision isolation cabin on stand column |
| WO2022231511A1 (en) * | 2021-04-29 | 2022-11-03 | Sembcorp Marine Integrated Yard Pte. Ltd. | A buoyant structure for receiving a tower of a wind turbine in offshore deployment |
| CN115525993A (en) * | 2022-09-05 | 2022-12-27 | 中交第三航务工程局有限公司 | Method for calculating structural strength of foundation stay bar of four-upright floating type fan |
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| CN113306671A (en) * | 2021-05-24 | 2021-08-27 | 中国能源建设集团广东省电力设计研究院有限公司 | Floating type offshore wind turbine system |
| CN113283081A (en) * | 2021-05-25 | 2021-08-20 | 阳江海上风电实验室 | Design method of wave-resistant floating type fan foundation |
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| CN114537601A (en) * | 2022-03-04 | 2022-05-27 | 上海理工大学 | Bionic queen lotus semisubmersible floating platform |
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| CN114604379A (en) * | 2022-03-28 | 2022-06-10 | 中海石油(中国)有限公司 | Semi-submersible floating type fan foundation with anti-collision isolation cabin on stand column |
| CN115525993A (en) * | 2022-09-05 | 2022-12-27 | 中交第三航务工程局有限公司 | Method for calculating structural strength of foundation stay bar of four-upright floating type fan |
| CN115525993B (en) * | 2022-09-05 | 2024-02-02 | 中交第三航务工程局有限公司 | Calculation method for structural strength of four-column floating type fan foundation stay bar |
| CN117842295A (en) * | 2024-01-27 | 2024-04-09 | 大连理工大学 | Low-cost large-scale semi-submerged floating offshore wind turbine |
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