WO2011083021A2 - Procédé de montage d'une éolienne flottante en mer et éolienne flottante en mer - Google Patents

Procédé de montage d'une éolienne flottante en mer et éolienne flottante en mer Download PDF

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Publication number
WO2011083021A2
WO2011083021A2 PCT/EP2010/069979 EP2010069979W WO2011083021A2 WO 2011083021 A2 WO2011083021 A2 WO 2011083021A2 EP 2010069979 W EP2010069979 W EP 2010069979W WO 2011083021 A2 WO2011083021 A2 WO 2011083021A2
Authority
WO
WIPO (PCT)
Prior art keywords
wind turbine
tower
floating
erecting
shore
Prior art date
Application number
PCT/EP2010/069979
Other languages
English (en)
Other versions
WO2011083021A3 (fr
Inventor
Jonas Kristensen
Original Assignee
Vestas Wind Systems A/S
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vestas Wind Systems A/S filed Critical Vestas Wind Systems A/S
Publication of WO2011083021A2 publication Critical patent/WO2011083021A2/fr
Publication of WO2011083021A3 publication Critical patent/WO2011083021A3/fr

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Classifications

    • 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 
    • 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 
    • B63B77/00—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms
    • B63B77/10—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms specially adapted for electric power plants, e.g. wind turbines or tidal turbine generators
    • 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
    • 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
    • B63B2035/442—Spar-type semi-submersible structures, i.e. shaped as single slender, e.g. substantially cylindrical or trussed vertical bodies
    • 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
    • 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 generally relates to method of erecting a floating off-shore wind turbine and the floating off-shore wind turbine as such.
  • Off-shore wind turbines often comprise a pile, such as a mono-pile, which is anchored to the seabed, e.g. by being driven down into the seabed or by being held in place by a structure standing on the seabed.
  • This mono- pile possibly together with other structures affiliated with it, forms a foundation for a wind turbine tower to be erected thereon.
  • a floating wind turbine Another type of off-shore wind turbine is known as a floating wind turbine.
  • a conventional wind turbine is mounted on a floatation element, also known as a spar buoy, the latter being provided with ballast at the bottom in order to ensure the balance.
  • an object is to provide a method of erecting a floating off-shore wind turbine.
  • the method should allow conventional onboard ship cranes to be used.
  • the method should be applicable no matter to what extent the wind turbine is modularized and assembled.
  • the method should be applicable to present tower technology.
  • the invention refers to a method of erecting a floating off-shore wind turbine, said wind turbine being modularized in modules comprising a floatation element, one or more tower modules forming a tower, a nacelle and blades, the method comprising the steps of:
  • This method offers a number of advantages.
  • a modularized wind turbine in a non or partly assembled condition, the individual modules can be pre-installed with necessary installations on land, and then easily transported by boat to the site.
  • the transportation can be made onboard a boat or by towing.
  • the wind turbine can also, still by being modularized as such, be fully assembled on-shore and later transported to the site by boat, either on-board or by towing.
  • the tower can be arranged as a single module as well as arranged as a number of modules to be assembled to form the tower.
  • the floatation element can be used as a buoyant which during transport to the site is taken in tow. This allows longer tower modules to be used or even a full sized tower or fully assembled wind turbine to be taken in tow, provided the floatation element is pre-mounted on-shore.
  • the lower part of the wind turbine being formed as a floatation element that is gradually submerged during erection, i.e. as the wind turbine increases its height as more and more modules are mounted, the working surface being the upper most surface to which additional modules are to be mounted, can always be arranged more or less in level with the working platform used, such as the boat. Thereby no specially built cranes are needed, but instead conventional onboard cranes can be used.
  • Such onboard cranes allow convenient access to all parts of the wind turbine as it is assembled. It goes without saying that the boat used for transport of the modules to the site can be used as said working platform, while at the same time storing the modules yet to be assembled. Also, additional boats can be used in order to allow use of several cranes.
  • the connecting means By the connecting means being connected to a lower end of the lower part of the modularized tower and one of the modules to be arranged above sea level when the wind turbine is in a fully assembled condition, while the floatation element is submerged, the connecting means can be tensioned to a more or less pre-determined extent while elevating the wind turbine to its operational level. This greatly facilitates and reduces the work required for mounting and tensioning the connecting means since the lifting force of the floatation element during elevation lifts and tensions the connecting means. Any fine-tuning can though still remain.
  • connecting means facilitate supporting the tower against horizontal forces to which it is subjected, and vertically aligning the tower, holding the wind turbine in an upright vertical position.
  • the method can further comprise the step of mounting a
  • the nacelle or the blades can be assembled step by step.
  • the wind turbine can be submerged additionally to thereby always have easy access.
  • the step of connecting the second connection means can be preceded by further submerging the partly assembled wind turbine to provide a new working surface arranged above sea level on an upper end thereof; and mounting an additional subsequent module thereto, and repeating this until the wind turbine has been fully assembled. Every time an additional subsequent module is mounted, the latter forms a new working surface.
  • the working surface can always be kept more or less in level with the working platform used.
  • the tower modules can be telescopically arranged.
  • the method can further comprise the steps of telescoping one or more
  • telescopically arranged tower modules to extend the height of the tower, the upper most module of said telescoped tower modules forming a working surface; and further submerging the partly assembled wind turbine as the height of the tower increases to provide a new working surface arranged above sea level on an upper end thereof.
  • a telescopically arranged tower means that at least some of the modules forming the tower are arranged one within the other in some stage during handling, e.g during transport.
  • the telescoping is also favourable in case of maintenance if the tower must be disassembled. In case of disassembling, it is understood that the reverse order applies.
  • the method can further comprise the steps of further submerging the partly assembled wind turbine to provide a new working surface arranged above sea level on an upper end thereof; and mounting an additional subsequent module thereto, and repeating this until the wind turbine has been fully assembled.
  • the working surface is arranged at a height above sea level adapted to the operational range of an onboard crane.
  • the crane By using the crane onboard a boat no special built cranes are needed. Also, the boat can be used as working platform.
  • the method can comprise the step of transporting the fully assembled wind turbine to the erection site in a horizontal or vertical position.
  • transportation can e.g. be made a boat transporting the wind turbine
  • the wind turbine can also be towed, partly supported by the boat. Further, the wind turbine can by fully towed supported by the floatation element.
  • the submersion and elevation can be made by regulating the density of the floatation element. Said density can be regulated by adapting the ratio between water and gas in the floatation element.
  • the floatation element is provided with a regulation system comprising inlets, outlets, valves and pumps, regulating the volume of water and gas
  • the anchorages can comprise anchoring points being evenly
  • the number of anchoring points is preferably at least three in order to give an even balancing and force distribution.
  • the anchorages are secured to the seabed in a manner determined by the prevailing soil conditions.
  • the anchorages can be arranged on the same radial distance from the tower or on different radial distances.
  • the connecting means can be pre-tensioned during elevation of said wind turbine to the operational level. This means that the length of the connecting means can be dimensioned in advance to such length that once the fully assembled wind turbine is erected to its operational level, the initial slack of the connecting means is eliminated to such extent that only fine tuning of the tensioning remains. Such fine tuning can easily be made by e.g rigging screws etc.
  • the first connecting means can be connected to the floatation element. This provides for a low connecting point to the wind turbine, enhancing the balancing thereof.
  • the second connecting means can be connected to an upper portion of the tower. This provides for a high connection point to the wind turbine, enhancing the balancing thereof.
  • the first and/or second connecting means can be arranged in at least two sets each, said sets being connected to the tower/and or the floatation element at different heights thereof.
  • the plurality of connecting points along the longitudinal extent of the wind turbine increase the stability and the balancing of the wind turbine during use since the wind turbine can be seen as a balancing standing pendulum.
  • the floatation element can comprise at least one compartment formed in a tower module in the lower end of the tower or be formed as at least one separate compartment attached to the lower most tower module or the lower end of the tower.
  • the floatation element can be integrated with the tower or its modules or be provided as a separate unit formed by one or several compartments. In case of separate units, these are to be regarded as modules within the meaning of the term "modularized" as use herein.
  • the density can be regulated by using a regulation system comprising at least one inlet and at least one outlet, valves connected thereto, a control system and a gas supply system.
  • the invention relates to a floating offshore wind turbine erected by the above disclosed method.
  • Fig 1 is a schematic side view of a floating off-shore wind turbine of the present invention.
  • Figs 2a-2f disclose the steps of mounting and erecting a floating offshore wind turbine.
  • Fig 1 is a schematic side view of a floating off-shore wind turbine 1 of the present invention.
  • modules is to be understood as the different main parts making up a wind turbine, no matter if these parts are assembled onshore or offshore.
  • the modularized disclosed wind turbine 1 comprises a tower 2 made up of one or several modules 7, 8 and 9 mounted one on top of the other.
  • the tower is divided into three modules, an upper module 7, a middle module 8 and a lower module 9. It is to be understood that the number of modules should not be a limiting factor and that the tower also can be provided as a single unit.
  • the modules forming the tower can be telescopically arranged. This applies to all tower modules or only some of them.
  • a nacelle 13 On top of the upper tower module 7, a nacelle 13 is mounted. To a vertical side of the nacelle 13, a rotor comprising a hub 10 and rotor blades 11 are rotatable mounted. In the sense of the invention, the nacelle, the hub and the blades all form modules.
  • the tower 2 can be provided with a platform 12 forming yet another module.
  • the platform can also be used to carry personnel and wind turbine components during e.g. construction and maintenance of the wind turbine.
  • a door (not disclosed) can be arranged.
  • the tower can have a locally reduced cross section at sea level.
  • the floating element By the floating element being submerged to a depth where it stays clear of the higher wave forces, the horizontal forces due to water impact are reduced.
  • the wave forces are very high at surface level and decrease with diminishing depth.
  • the longitudinal extent of the tower below sea level i.e. the position of the floating element can be adapted to the specific conditions prevailing. Also, it is as will be understood, a matter of the total height of the tower above sea level since the wind turbine can be seen as a balancing standing pendulum.
  • a floatation element 20, forming a module, is connected to the lower end of the tower 2.
  • the floatation element 20 is arranged as a plurality of interconnected compartments 21 , 22, 23 arranged to the lower end of the tower 2.
  • the disclosed compartments 21 , 22, 23 are arranged to the outer periphery of the tower 2 surrounding the same.
  • the lower end of the tower or the lower-most module forming part of the tower can as a whole or as a part form a compartment. In that case, the interior of that module of the tower is acting as said floatation element.
  • the floatation element can be formed by a combination of compartments formed by the tower and by compartments attached thereto.
  • the floatation element 20 is axially aligned with the longitudinal extent of the tower 2.
  • the floatation element 20 is filled and emptied with water and gas respectively in order to control the degree of submersion or elevation of the tower 2 and the floatation element 20. More precisely, the submersion and elevation is made by regulating the density of the floatation element 20. The density is regulated by changing the ratio between water and gas in the floatation element 20. Accordingly, the floatation element 20 can be seen as a ballast tank. It is to be understood that some of the compartments 2 , 22, 23 can be arranged to be filled with gas only. In its simplest form, the gas used is air.
  • the floatation element 20 is provided with a highly schematically disclosed regulation system 25. It is to be understood that each compartment 21 , 22, 23 making up the floatation element 20 can be provided with its own regulation system 25, or the floatation element as a whole can be provided with one regulation system serving all compartments. In the latter case the individual compartments 21 , 22, 23 can be communicating with each other.
  • the regulation system 25 comprises at least (not disclosed) one inlet and at least one outlet, valves connected thereto, a control system and a gas supply system.
  • the floatation element can either function as a floating element elevating the wind turbine 1 or as a weight submerging the same. Accordingly, the tower 2 together with the floatation element 20 can be seen as a standing pendulum balancing in the vertical direction in the sea.
  • the floatation element can in addition comprise additional modules or compartments of a material having a density lower than water. Such additional floatation elements can be connected upon need or be permanently connected
  • the material can be a low density material such as foam or gas.
  • the term "material" is used in a broad sense to refer to any type of matter associated with a structure.
  • the additional floatation elements can be inflatable compartments.
  • Connecting means 30 connect the wind turbine 1 to the seabed.
  • two sets of connecting means are used.
  • a first set 30a extends from the floatation element 20 to anchorages 40 in the seabed.
  • a second set 30b of connecting means 30 extend from the tower 2 to the anchorages.
  • the connecting means 30b extending from the tower 2 preferably connect to the tower above sea level.
  • two or more sets of connecting means extending from the tower to the anchorage they preferably engage the tower at different heights.
  • the number of sets of connecting means can be varied. Further, the number of connecting means in each set can be varied depending on types and dimensions, but the number of connecting means in each set is preferably at least three and even more preferred at least six.
  • the two sets of connecting means 30a, 30b extend to the same anchorages 40 but it is to be understood that they can connect to different anchorages.
  • the connecting means 30 and anchorages 40 are distributed evenly spaced.
  • the connecting means 30 may extend from any part of the tower 2. If the tower is divided into a plurality of modules 7, 8, 9 the connecting means 30 may extend from any one of the modules or from a plurality of the modules, depending on the design and requirements of the wind turbine.
  • the connecting means 30 can be from the group consisting of rods, wires, chains and ropes or any combination thereof. In case of a
  • All the connecting means supporting the tower may be similar in type, or
  • connecting means may be convenient to allow the connecting mean to comprise a plurality of exchangeable segments connected to each other.
  • An advantage of such a connecting mean is that segments of the element may be individually replaced, without having to replace other segments of the connecting mean. This may facilitate maintenance caused by e.g. corrosion.
  • the connecting means may comprise rigging screws, or any other means for facilitating tightening and adjusting.
  • the anchorages 40 can be of any type depending on the prevailing seabed and it is well known to the skilled person to choose a suitable type. Also, although the disclosed anchorages 40 are arranged at the same radial distance from the tower, it is to be understood that they can be arranged at different radial distances.
  • the method will be illustrated referring to a wind turbine having a pre- assembled tower comprising two tower modules 8 and 9 in its lower end and a third tower module 7 in the upper end.
  • the third module is telescopical!y arranged within the tower module 8 forming the middle tower module.
  • anchorages 40 are arranged as an initial step to the seabed.
  • the type, size, number and distribution depends, as is given above, on the prevailing type of seabed and on the expected loads to the wind turbine during operation.
  • Connecting means 30 are connected to the anchorages 40.
  • the connecting means 30 can be provided with floating bodies 50 in order to at least partly elevate them from the seabed to enhance accessibility during the work to follow.
  • the tower 2 or the lower most module together with the floatation element 20 mounted is towed by a boat 60, with the boat supporting the tower.
  • the boat supports the tower module 8, which in the fully erected wind turbine will form the middle tower module.
  • the upper most tower module 7 is telescopically arranged within the middle module and thereby not visible. Any such pre-assembling is preferably made onshore where the floatation element is also p re-filled with gas.
  • the density of the floatation element 20 is increased by changing the ratio between water and gas in the floatation element 20, whereby at least a part of the floatation element is submerged below water level.
  • the previously mounted connecting means 30 are connected to at least the floatation element 20.
  • the second connecting means can also be connected to the tower at this stage of erection. Due to the submersion of the floatation element 20, the connecting means 30 have an initial slack.
  • the floatation element 20 and any tower module 2 mounted thereto is standing in an upright position in the water with the floatation element 20 facing the seabed and the upper end of the tower module arranged above sea level.
  • an upper end of the floatation element to which a tower module is to be assembled is now arranged above sea level.
  • the change of ratio between water and gas in the floatation element 20 is made by means of the regulation system 25.
  • each compartment can have its own regulation system, or all compartments can be served by one and the same regulation system.
  • the degree of submersion is adapted so that the working surface 70 is at a level above sea level which is easily accessible by a conventional onboard crane 80 on the boat 60.
  • a subsequent module is assembled to the working surface 70, see Fig 2c disclosing mounting of the nacelle 13 and a first blade 1 1.
  • the nacelle is in fact mounted to what is to form the upper most tower module 7, which is kept within what is to form the middle tower module 8.
  • the upper tower module 7 is in this stage kept telescopically inside the middle tower module 8.
  • the assembling is made by using the onboard crane 80 which can pick the module to be mounted from a position on or below deck and lift it to the working surface 70 for it to be mounted thereto by using e.g. bolting or welding. If necessary an additional crane from an additional boat can be used. The upper end of this subsequent assembled module forms a new working surface.
  • the working surface can fall outside the operational range of the crane.
  • the now partly assembled wind turbine can be further submerged to so that the new working surface again is in level with the boat and the operating range of the onboard crane. This process is repeated until all modules of the wind turbine have been assembled, e.g. all tower modules, the nacelle and the blades.
  • anchorages are lifted up and connected to the intended connection point along the longitudinal extent of the wind turbine, still with a slack.
  • Additional weights or floating elements can be mounted upon need. Additional floating elements can e.g. be formed as inflatable elements.
  • the tower module 7 to form the upper most tower section is telescoped, whereby the nacelle 13 and the blades 11 are raised to the intended operational level, and also so that the blades are allowed to rotate freely without engaging the second connecting means 30. If maintenance is needed later on the upper most tower module 7 can be lowered by telescoping in the reversed direction. This can off course be combined with submersion. If the tower is designed without telescoping, maintenance can easily be performed by using the regulation system to submerge the wind turbine to gain access and then again elevate the same to its operational level.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

La présente invention concerne un procédé de montage d'une éolienne flottante en mer (1), ladite éolienne étant divisée en modules (7, 8, 9) comprenant un élément de flottaison (20), au moins un module de tour formant une tour (2), une nacelle (13) et des pales (11), le procédé comprenant les étapes suivantes : la fourniture d'au moins un ancrage (40) sur le fond marin et de premiers et seconds moyens de liaison (30, 30a, 30b) reliés à celui-ci; l'immersion d'une partie inférieure de ladite éolienne, celle-ci étant dans un état non assemblé, en partie assemblé ou entièrement assemblé, ladite partie inférieure comprenant au moins l'élément de flottaison; la liaison des premiers moyens de liaison à une extrémité inférieure de ladite partie inférieure de l'éolienne; la liaison des seconds moyens de liaison à l'un des modules destiné à être disposé au-dessus du niveau de la mer lorsque l'éolienne se trouve dans un état entièrement assemblé; et l'élévation de ladite éolienne jusqu'à un niveau opérationnel. L'invention concerne également une éolienne flottante en mer montée par ledit procédé.
PCT/EP2010/069979 2010-01-07 2010-12-16 Procédé de montage d'une éolienne flottante en mer et éolienne flottante en mer WO2011083021A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201000008 2010-01-07
DKPA201000008A DK201000008A (en) 2010-01-07 2010-01-07 Method of erecting a floating off-shore wind turbine and a floating off-shore wind turbine

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Publication Number Publication Date
WO2011083021A2 true WO2011083021A2 (fr) 2011-07-14
WO2011083021A3 WO2011083021A3 (fr) 2011-12-29

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WO (1) WO2011083021A2 (fr)

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GB2481321A (en) * 2010-06-19 2011-12-21 Peter Ronald Chambers A submersible dynamic floatation tank mountable to a base of an offshore wind turbine assembly
GB2493023A (en) * 2011-07-22 2013-01-23 Sway Turbine As Wind turbine foundation with pontoons
WO2013117796A1 (fr) * 2012-02-10 2013-08-15 Universitat Politècnica De Catalunya Procédé d'installation et d'entretien d'une structure flottante monolithique servant de support à un aérogénérateur
WO2013160579A1 (fr) * 2012-04-27 2013-10-31 IFP Energies Nouvelles Éolienne sur support flottant stabilisée par un système d'ancrage surélevé
GB2530302A (en) * 2014-09-18 2016-03-23 Statoil Petroleum As Method and apparatus for transporting offshore floating wind turbines
EP3078846A1 (fr) * 2015-03-13 2016-10-12 ALSTOM Renewable Technologies Procédé de manipulation de pièces de turbine éolienne et dispositif
US9476409B2 (en) 2012-05-11 2016-10-25 Zachry Construction Corporation Offshore wind turbine
WO2019234489A1 (fr) * 2018-06-06 2019-12-12 Aerodyn Consulting Singapore Pte Ltd Plateforme flottante pour la fixation d'une éolienne flottante sur un sol immergé
KR20200107296A (ko) * 2019-03-07 2020-09-16 순천향대학교 산학협력단 Prox1을 포함하는 천식 진단용 바이오마커 및 이의 용도
FR3110540A1 (fr) * 2020-05-25 2021-11-26 Saipem S.A. Procédé et système de mise en tension d’un système hyperstatique
NL2031836B1 (en) * 2022-05-11 2023-11-17 Itrec Bv Dynamic positioning system for a vessel, pile gripper positioning system, monopile installation vessel, and corresponding methods
JP7474669B2 (ja) 2020-09-29 2024-04-25 戸田建設株式会社 洋上風力発電設備への風車搭載方法

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