WO2013083358A1 - A floating wind turbine plant - Google Patents
A floating wind turbine plant Download PDFInfo
- Publication number
- WO2013083358A1 WO2013083358A1 PCT/EP2012/072359 EP2012072359W WO2013083358A1 WO 2013083358 A1 WO2013083358 A1 WO 2013083358A1 EP 2012072359 W EP2012072359 W EP 2012072359W WO 2013083358 A1 WO2013083358 A1 WO 2013083358A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- buoyancy body
- ballast
- plant
- floating
- floating plant
- Prior art date
Links
Classifications
-
- 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
- B63B21/507—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers with mooring turrets
-
- 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
-
- 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
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B41/00—Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
- B63B2001/045—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with means for actively varying hull shape or configuration, e.g. for varying hydrodynamic characteristics
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B2221/00—Methods and means for joining members or elements
- B63B2221/20—Joining substantially rigid elements together by means that allow one or more degrees of freedom, e.g. hinges, articulations, pivots, universal joints, telescoping joints, elastic expansion joints, not otherwise provided for in this class
- B63B2221/24—Joining substantially rigid elements together by means that allow one or more degrees of freedom, e.g. hinges, articulations, pivots, universal joints, telescoping joints, elastic expansion joints, not otherwise provided for in this class by means that allow one or more degrees of translational freedom, e.g. telescopic joints, not otherwise provided for in this class
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/95—Mounting on supporting structures or systems offshore
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/97—Mounting on supporting structures or systems on a submerged structure
-
- 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
Definitions
- the present invention relates to vessels floating in a body of water. More specifically, the invention concerns a floating wind power plant comprising a buoyancy body configured for being submerged in water and supporting an equipment unit extending above the water, and a ballast element connected to the buoyancy body via at least one spacer structure.
- the state of the art includes WO 2010/093253 Al , which discloses an offshore wind turbine plant having at least one floating body supporting a wind turbine.
- the floating body consists of a buoyancy body, a spacer and a ballast structure, and the floating body is connected to a steering arm which is further connected to a connecting structure having a turntable which is connected to anchor lines tied to seabed anchors.
- the state of the art also includes JP 2005180351 A, describing a floating wind power generating device capable of suppressing lateral movement for maintaining a stable attitude with respect to a wave surface when a force is applied in the lateral direction relative to water surface.
- a supporting column equipped with a main float in the bottom penetrates through a sub-float so as to be freely vertically movable. When the supporting column is moved vertically on the water surface by a wave force without a lateral force being applied, the water surface wind power generating device vertically moves without being interrupted by the sub-float.
- a floating wind power plant comprising a buoyancy body configured for supporting an equipment unit, and a ballast element connected to the buoyancy body via at least one spacer structure, characterized by guiding means in the buoyancy body configured for movable interaction with the at least one spacer structure such that the ballast element and the buoyancy body are movable with respect to one another, and the buoyancy body has an elongated shape with a forward portion and an aft portion, and the ballast element has a corresponding forward portion and an aft portion.
- each of the spacer structures is at one end connected to the ballast element and is at the other, free, end furnished with first stopping means configured for interaction with corresponding second stopping means on the buoyancy body.
- a connection element for one or more mooring lines is connected to the ballast element forward portion.
- the connection element comprises preferably a turret rotatably connected to the ballast element, whereby the floating plant is rotatable in a nominal horizontal plane.
- the buoyancy body comprises ballastable watertight compartments
- the ballast element comprises ballastable watertight compartments
- the floating plant further comprises an extension element connected to a forward spacer structure free end and having a length such that an upper end of the extension element extend above a nominal water level when the buoyancy body is submerged below said water level.
- the equipment unit is preferably supported by an aft portion of the buoyancy body.
- the equipment unit comprises a wind turbine generator supported by a column, a lower part of said column being connected to the buoyancy body.
- the main object of the invention is to provide a floating offshore wind turbine plant which can be fully assembled onshore, and where the commissioning phase for wind turbine also is completed onshore. Such degree of work completion for the unit achieved onshore result in significant cost reductions.
- Another main object of the invention is to reduce cost through a combined and controlled utilisation of solid ballast material and water ballast.
- the design is thus carefully tuned to benefit from such favourable ballast scheme.
- ballast material and water ballast Compared to the prior art, cost is also reduced with the present invention through the ability to combine and control the utilisation of solid ballast material and water ballast.
- a systematic ballast scheme in combination with the other design features of the invention will result in a wind turbine plant design having a most effective righting moment capacity.
- Low cost effective righting moment capacity is a key asset for such type of installation, which generally will be heavily exposed to overturning forces.
- the present invention entails a number of substantial advantages compared to the prior art.
- the present invention involves only one floating body.
- This one floating body acts as a support structure for one wind turbine generator only, and this simplification allows for some substantial advantages for the present invention.
- a steering arm function is integrated as part of the floating body. This is achieved by having the buoyancy body as an extensively longitudinally shaped body.
- the wind turbine tower is positioned at the aft end of the buoyancy body.
- the connecting structure for the mooring system is made integrated into the front end of the ballast structure situated underneath the buoyancy body.
- the steering arm functionality which is required to effectively wind vane, is obtained through the longitudinally shaped buoyancy body providing adequate horizontal spacing between wind turbine position and anchor system connection position.
- the invention comprises retractable spacer columns or retractable framework structure. This is achieved by letting the spacer elements run through openings in the buoyancy body. Stopper mechanism for each spacer element secures the final positioning of the spacer.
- Figure 1 is a side view of a first embodiment of a floating wind turbine plant in an operating condition
- Figure 2 is a view of section A-A of figure 1 ;
- Figure 3 is a view of section B-B of figure 1 ;
- Figures 4 - 6 illustrate different stages of a preferred construction sequence
- Figure 7 illustrates a stopper mechanism on the spacer structures
- Figure 8 illustrates a vertical section of the lower portion of the connecting structure according to the invention
- Figure 9 illustrates a vertical section of the upper portion of the connecting structure according to the invention.
- Figure 10 illustrates a vertical section of a second embodiment of connecting structure according to the invention
- Figure 11 is a view of section C-C in figure 10;
- Figure 12 illustrates a floating wind turbine plant where the power and utility cables are partly contained on a drum which is situated on a moveable support structure located on forward part of buoyancy body;
- Figure 13 illustrates a vertical section of the buoyancy body;
- Figures 14 is a perspective view of the plant with the ballast element in an extended position, showing the part of the plant which is configured for being submerged when the plant is in operation (i.e. the wind turbine column and generator are not shown); and
- Figures 15 is a perspective view of the plant with the ballast element in a retracted position, showing the part of the plant which is configured for being submerged when the plant is in operation (i.e. the wind turbine column and generator are not shown);.
- the wind turbine column and generator are not shown.
- FIG. 1 illustrates a first embodiment of the floating wind power plant, in an operational configuration floating in a body of water W.
- the floating plant comprises a buoyancy body 3 connected to a ballast element 5 via spacers 4a,b,c.
- the buoyancy body 3 supports a wind turbine generator la via a column lb and a connecting column 2.
- the column lb and connecting column 2 may be one continuous element.
- the floating plant is moored to the seabed (not shown) via mooring lines 7 connected to the ballast element 5 at a connection element 12.
- the floating plant is thus free to rotate about the connection element 12 and thus align itself according to prevailing wind and water currents, thus defining a plant forward part 9a and a plant aft part 9b.
- Reference number 8 indicates power export cables and utility cables.
- the floating plant is configured for allowing a combined use of solid ballast material and water ballast in order to maintain floating stability and angle of heel for the plant within given acceptable limits for all conditions.
- the geometry of the buoyancy body 3 is longitudinal in shape and the body contains several watertight compartments 36, defined by transverse bulkheads 37 and longitudinal bulkheads 38. According to well known principles, some of these compartments are used as water ballast tanks. Hence water pumps74 (see figure 13; not shown in figure 2), may occasionally move water from one ballast tank to another to adjust angle of heel as needed for the floating plant.
- ballast water is stored in one or more ballast tanks 36a located the aft part 9b.
- ballast water is stored in ballast tanks 36b located in the forward part 9a.
- the longitudinal centre of gravity for the ballast element 5 is typically positioned some distance forward, measured relative to the longitudinal centre of buoyancy for the buoyancy body 3.
- Figure 2 also shows openings 31a,b for the aft spacer columns 4a,b and an opening 32 for the forward spacer column 4c (see figure 1).
- the ballast element 5 also has a forward portion9a' and an aft portion 9b', and comprises ballast compartments 136 made up by transverse bulkheads 137 and longitudinal bulkheads 138.
- Solid ballast material e.g.
- ballast compartments 136 in the form of finely crushed rock, is placed in designated ballast compartments 136 prior to transport and offshore installation of the plant.
- Pipes (not shown) are routed inside each spacer element (4a-c) and further on to ballast compartments (36). The pipes will allow for placement of rock material inside the ballast compartments and for simultaneous evacuation of water and/or air from these compartments. Ballast operations are performed based on access provided at the upper end of spacer (not shown).
- Figure 3 also shows aft footings 51a,b for the aft spacer structures 4a,b and a forward footing 52 for the forward spacer structure 4c.
- Reference number 53 indicates an opening for the mooring line connecting element inside forward spacer structure(s).
- FIG 4 shows the plant in a completed state at a fabrication facility, resting on a surface F.
- the spacer structures 4a,b,c run through each respective opening 31a,b, 32 (see figure 2) in the buoyancy body 3.
- the buoyancy body 3 is resting on the ballast element 5.
- the spacer structures conveniently comprises releasable locking means (not shown) to prevent accidental lowering of the ballast element 5.
- the spacer structures 4a-c are extended from the buoyancy body 3, thus lowering the ballast element 5.
- Flexible tension element 6, e.g. wires may conveniently be connected between the buoyancy body and ballast element as indicated in figure 6, in order to rigidly connect the ballast element to the buoyancy body.
- the spacer structures 4a-c are connected at a respective first end to the ballast element 5 (cf. description of footings with respect to figure 3, above).
- the spacer structures are movable with respect to the buoyancy body 3 in that they are slidably arranged in respective openings 31a,b, 32 as described above with reference to figure 2.
- Each of the spacer structures furthermore comprises a stopper mechanism at each respective free end.
- the stopper mechanism comprises a conically shaped end portion 14 on each spacer structure and a corresponding conically shaped recess in the respective opening 31a,b; 32 in the buoyancy body 3.
- Each stopper mechanism is conveniently furnished with locking means, such as locking pins, welded brackets, etc. (not shown).
- the forward spacer structure 4c furthermore comprises an extension 4d, which will extend above the nominal water level S when the floating plant is in a submerged operating condition (see e.g. figure 1).
- the purpose of a spacer extension 4d is to provide easy and dry access to the slewing ring system (described below) during installation and later service interventions.
- the spacer extension 4d is a slender pipe structure, optionally stiffened by vertical tension elements which are supported by several horizontal beams (not shown) cantilevered in radial directions at the top of the forward spacer element 4c. Referring to figure 1 and figure 8, the plant is secured to the seabed via mooring lines 7 connected to a connection element 12 in the ballast element 5.
- connection element 12 comprises rotating body (turret) 17 which is connected to the ballast element 5 via bearings 44 and rotatable about a central member 16 which is anchored to the sea bed by means of a suitable anchor system.
- the system is positioned in the forward part of the ballast element 5 and slightly reaching out underneath the bottom of the element.
- connection points 19 for the mooring lines 7 are included in the central member 16 of the turret 17.
- the central member 16 further includes at least one guide tube 20 intended for high voltage power cables and utility cables 8 to be routed between the wind turbine plant and the seabed.
- An alternative solution for the connecting element is to include guide tubes 21 for the mooring lines 7 (see figure 10).
- the central member 1 lb of the turret holds multiple guide tubes 21.
- At least one centrally located guide tube 21 ' contains high voltage cables and additional cables 8.
- the connecting structure contains one guide tube 21 for each mooring line 7.
- Figure 11 shows one centrally located guide tube 2 ⁇ for power and utility cables surrounded by four tubes 21 each designated for a respective mooring line. Fewer or more tubes may be used, according to the requirements in each specific case.
- the anchor line guide tubes run from the base of the ballast structure through the spacer and further to the top of the spacer extension, as shown in figure 10.
- An upper axial bearing 62 and a lower radial bearing 63 are provided.
- a mechanism for secure fastening of anchor line (not shown).
- the guide tube allocated for electrical cables run through the turret to the top of the spacer extension.
- the exchangeable utility box 61 containing the slewing ring for high voltage power transfer and the signal transfer system required for operation and control of the installation, see figure 9 and figure 10 respectively.
- the forward spacer column is mounted onto the top of the ballast structure and aligned with the connecting structure located inside the ballast structure.
- the elements being part of the connecting structure is located inside forward vertical framework leg.
- connecting structure will be inside forward closed pipe structure.
- a stairway and platform (not shown) for offshore access to the wind turbine plant, is located on the aft end of the buoyancy body.
- the stair and platform arrangement will always be positioned on the favourable leeward side. The risk of damage, due to extreme waves hitting the installation, is reduced. Further, the solution according to present invention, allow service personnel to access the wind turbine plant in larger wave heights than would be possible from the opposite side which faces the incoming wind generated waves.
- the present invention involves a method of assembly and installation of the wind turbine plant.
- the wind turbine plant is assembled inshore, in a dry dock, on a barge, or on land (F, see figure 4) for later skidding onto a barge for putting afloat or onto skid beams which have been extended into sufficiently deep water.
- the invention involves utilisation of solid ballast and water ballast in combination with the design carefully tuned to benefit from a ballast and trim scheme which combines the use of these two types of ballast material.
- Buoyancy provided by the buoyancy body 3 and the ballast structure brings the unit afloat (see figure 5).
- the unit is moved to a site having sufficient draught for lowering of ballast structure to operating position.
- Water ballast is filled into the ballast structure as required to lower the ballast structure and the attached spacer to operating position (see figure 6).
- the ballast operations proceed.
- Ballast material in the form of finely crushed rock material is placed in the ballast element 5, utilising transport pipes installed inside the spacer structures.
- additional water is filled into water ballast tank inside the buoyancy body.
- This additional ballasting is in order to submerge the buoyancy body to operational depth (see figure 1), and involves filling of water tanks in the buoyancy body.
- the present invention involves method of connecting the wind turbine plant to suitable mooring lines 7, and to connect cables 8 which are linked to a substation during operation of the plant. For the disconnection of the turbine plant, the operations listed below will need to be carried out in the reversed order.
- the plant With the floating body positioned at operational draught, the plant is towed offshore by a tug to given location within the wind park, and hooked-up to pre-installed mooring lines.
- the mooring system are attached to the connecting structure in the forward part of the ballast structure.
- one alternative for the installation operation is to have mooring line segments 7 pre-connected to the designated fastenings points located in the central part of the turret (cf. figure 8).
- the pre-installed anchor line segments are fixed to corresponding anchor line segments which have been pre-installed.
- the power and utility cables 8 are pulled through the guide tube located in central part of turret.
- the guide tube provided for electrical cables run through the turret to the top of the spacer extension reaching above still water level (cf. figure 9).
- the exchangeable utility box containing the slewing ring for high voltage power transfer and the signal transfer required for operation and control of the wind turbine plant.
- water ballast may be removed from the buoyancy body for the case where a pre-stressed mooring system is to be used at given location.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1410873.2A GB2511264A (en) | 2011-12-06 | 2012-11-12 | A floating wind turbine plant |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20111690A NO333691B1 (en) | 2011-12-06 | 2011-12-06 | A floating wind turbine. |
NO20111690 | 2011-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013083358A1 true WO2013083358A1 (en) | 2013-06-13 |
Family
ID=47297128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/072359 WO2013083358A1 (en) | 2011-12-06 | 2012-11-12 | A floating wind turbine plant |
Country Status (3)
Country | Link |
---|---|
GB (1) | GB2511264A (en) |
NO (1) | NO333691B1 (en) |
WO (1) | WO2013083358A1 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015181424A1 (en) * | 2014-05-27 | 2015-12-03 | Esteyco S.A.P. | Floating structure and method of installing same |
WO2015181428A1 (en) * | 2014-05-27 | 2015-12-03 | Esteyco S.A.P. | Floating substructure for a wind generator and method of installing same |
FR3022880A1 (en) * | 2014-06-30 | 2016-01-01 | Dcns | FLOATING EOLIENNE |
ES2608504A1 (en) * | 2017-02-15 | 2017-04-11 | Berenguer Ingenieros S.L. | Self-installing floating structure of spar type for support of great wind turbine wind turbines (Machine-translation by Google Translate, not legally binding) |
WO2017157399A1 (en) | 2016-03-15 | 2017-09-21 | Stiesdal A/S | A floating wind turbine and a method for the installation of such floating wind turbine |
FR3064974A1 (en) * | 2017-04-10 | 2018-10-12 | Dcns Energies | FLOAT, IN PARTICULAR OFFSHORE WIND TURBINE |
WO2019152477A1 (en) * | 2018-01-30 | 2019-08-08 | Alliance For Sustainable Energy, Llc | Flexible aquatic substructures |
NO20200232A1 (en) * | 2020-02-26 | 2021-08-27 | Bjarte Nordvik | Foundation for an offshore wind turbine |
WO2023170224A1 (en) | 2022-03-09 | 2023-09-14 | Monobase Wind B.V. | Marine structure and method |
WO2024069032A1 (en) * | 2022-09-26 | 2024-04-04 | Bluenewables Sl | Foundation device for an offshore wind turbine tower |
DE102023100270A1 (en) | 2023-01-09 | 2024-07-11 | Universität Rostock, Körperschaft des öffentlichen Rechts | Floating platform |
Citations (7)
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DE19744174A1 (en) * | 1997-10-07 | 1999-04-08 | Otto Gerd Albrecht | Air flow converter for generating electrical energy without harmful substances on ocean |
US20030168864A1 (en) * | 2002-03-08 | 2003-09-11 | William Heronemus | Offshore wind turbine |
US6942427B1 (en) * | 2003-05-03 | 2005-09-13 | Nagan Srinivasan | Column-stabilized floating structure with telescopic keel tank for offshore applications and method of installation |
DE102005040797A1 (en) * | 2005-08-29 | 2007-03-08 | Schopf, Walter, Dipl.-Ing. | Floating carrier base for offshore-wind power plant, has floating body engaged to ocean current by change of adjustment angle of another body, such that ocean current exerts force for correcting inclination position of system components |
US20080014025A1 (en) * | 2006-07-13 | 2008-01-17 | Jan They | System and method for mounting equipment and structures offshore |
US20090126616A1 (en) * | 2007-01-01 | 2009-05-21 | Nagan Srinivasan | Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications |
JP2009248792A (en) * | 2008-04-08 | 2009-10-29 | Penta Ocean Construction Co Ltd | Spar-type floating body structure for wind power generation on ocean, manufacturing method of the same, and installation method of the same |
-
2011
- 2011-12-06 NO NO20111690A patent/NO333691B1/en not_active IP Right Cessation
-
2012
- 2012-11-12 GB GB1410873.2A patent/GB2511264A/en not_active Withdrawn
- 2012-11-12 WO PCT/EP2012/072359 patent/WO2013083358A1/en active Application Filing
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US11472519B2 (en) | 2018-01-30 | 2022-10-18 | Alliance For Sustainable Energy, Llc | Flexible aquatic substructures |
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Also Published As
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GB201410873D0 (en) | 2014-07-30 |
GB2511264A (en) | 2014-08-27 |
NO333691B1 (en) | 2013-08-19 |
NO20111690A1 (en) | 2013-06-07 |
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