Classifications

• • 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 
  • 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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B5/00—Hulls characterised by their construction of non-metallic material
  • B63B5/24—Hulls characterised by their construction of non-metallic material made predominantly of plastics
• • 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 
  • B63B5/00—Hulls characterised by their construction of non-metallic material
  • B63B5/24—Hulls characterised by their construction of non-metallic material made predominantly of plastics
  • B63B2005/242—Hulls characterised by their construction of non-metallic material made predominantly of plastics made of a composite of plastics and other structural materials, e.g. wood or metal
• • 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 
  • B63B2231/00—Material used for some parts or elements, or for particular purposes
  • B63B2231/40—Synthetic materials
  • B63B2231/52—Fibre reinforced plastics materials
• • 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
  • F05B2280/00—Materials; Properties thereof
  • F05B2280/60—Properties or characteristics given to material by treatment or manufacturing
  • F05B2280/6003—Composites; e.g. fibre-reinforced
• • 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 invention relates to a wind energy installation with a plurality of
• Floating foundation having buoyancy.
• Wind energy installation which has a Y-shaped foundation extending in one plane, which is set up to be buoyant by means of buoyancy bodies connected to the foundation.
• EP 3 019 740 B1 does not have any special
• WO 2014/044453 A1 Another type of floating foundation is known from WO 2014/044453 A1, which is designed as a triangular foundation extending in one plane, at the corner points of which support columns made of steel and extending out of the plane of the triangle are arranged.
• the triangle is equilateral, the support columns being inclined to the outside of the triangle following the respective bisector.
• Each support column is set up in such a way that - in relation to the triangular foundation - a floating structure is fastened to the outside thereof, each of which is formed from a cage accommodating a large number of small-scale buoyancy chambers.
• Buoyancy bodies are designed as rings arranged around the support columns. This construction essentially corresponds to the construction known from CN 2811161 Y for
• Buoyancy bodies are arranged around a central tube.
• the disadvantage of the known buoyancy bodies is that they are very complex to manufacture and complex to assemble, either because they are made of steel or because they are small.
• a one-piece production of a float causes considerable problems during transport due to its size, and a small-scale production of a
• the object of the invention is therefore to create a floating wind power installation with a floating foundation having a plurality of buoyancy bodies which, in particular with regard to the buoyancy bodies, is gentle on the material and only slightly
• Buoyancy bodies made up of a plurality of fluted bodies
• Buoyancy body elements are formed, each arranged in a first plane concentrically around a central element extending from the floating foundation next to one another and releasably connected to the latter, each buoyancy element having a surface supported on the central element, a convex surface arranged opposite the central element and two each other each having side surfaces supporting on a side surface of an adjacent buoyancy body element.
• the outer wall forming the convex surface preferably has greater bulging stability due to a thicker wall thickness than the walls forming the side surfaces or due to the formation as a sandwich part.
• the outer wall forming the convex surface has a thicker wall thickness than the side walls and / or is designed as a sandwich construction, so that through the local use of the reinforced structure of the outer wall, on which the external pressure load is applied, the mutually supporting structures of the buoyancy body elements Material can be saved. Overall, this results in a significantly lighter construction, which not only has a positive effect on the transport of the elements, but also on the total weight and the costs of the wind energy installation.
• the outer wall forming the convex surface has a wall thickness between 1.2 and 2.5 times thicker than the walls forming the side surfaces
• At least one further plane of buoyancy body elements arranged below the first plane is preferably provided, each arranged around a central element and releasably connected to the latter.
• the size of the floating wind power installation requires the floating body to be dimensioned, which preferably requires a multi-part construction of the floating body.
• buoyancy body elements arranged lower in the further plane are preferably designed with thicker walls than those arranged in the first plane
• Buoyancy body elements so that they can withstand the higher pressures prevailing in greater water depths.
• Buoyancy body elements so that they can withstand the higher pressures prevailing in greater water depths.
• the buoyant body elements arranged in the further plane have a higher pneumatic internal pressure than the buoyant body elements arranged in the first plane, in order to withstand the higher external pressure.
• the convex surfaces of the buoyancy body elements preferably form together, viewed in cross section through the assembled buoyancy body elements, e.g. B. a circle.
• the buoyancy body elements are correspondingly designed in the shape of a sector of a circle.
• a circular cross section of the buoyancy bodies makes sense when using a stationary floating foundation of a floating wind turbine, whereby the waves can hit the buoyancy bodies from all sides - in contrast to floating ones
• Wind turbines that are connected to the sea floor with a single mooring point and that are completely aligned with the wind direction in the water.
• the extreme waves in storm conditions will always run in the direction of the main axis of the swimming structure.
• Buoyancy structure and the connection components to the foundation as well as the mooring elements and anchors of such systems whereby a much more favorable design is achieved for these types of systems in that the convex ones
• composite buoyancy body elements seen as a single flow-favorable cross-section, such.
• B a teardrop shape, an ellipse or lens is formed.
• the ratio of length to width of the ellipse is sensibly about 2: 1.
• the longer axis of the float is aligned in the direction of the waves.
• the length and / or the width of the individual buoyancy body elements further preferably corresponds to the outer dimensions of an ISO container.
• the dimensions correspond the buoyancy body elements have the dimensions of a 40 'container, so that they can be easily transported on the road using trailers.
• the dimensions correspond the buoyancy body elements have the dimensions of a 40 'container, so that they can be easily transported on the road using trailers.
• Buoyancy body elements have a diameter or edge length of approx. 2.5 m and a length of approx. 12 m.
• the floating bodies As a result of the transportability made possible or at least improved, it is possible to manufacture the floating bodies as such at a location other than the location of the final assembly of the floating wind energy installation. In addition, the workload resulting from the multi-part construction of the floating bodies is kept as low as possible.
• the central element has a polygonal cross section so that the position of the individual buoyancy body elements is predetermined and fixed. This also enables simple troubleshooting and, if necessary
• the buoyancy body elements are preferably made of plastic, in particular
• Glass fiber reinforced plastic made hollow body with optionally provided sandwich surfaces for bulge stabilization, which a particularly light construction of the
• the buoyancy body elements can also have foamed plastic or consist of this.
• the buoyancy body elements can be filled
• Foam body be formed, wherein the foam can be formed open-cell, mixed-cell or closed-cell. In any case, the penetration of water into the buoyancy body must be counteracted, so that the foam body preferably has a water-repellent coating. This is particularly preferred as one
• the buoyancy body elements are preferably fastened to the central element by means of a plurality of each fastening the buoyancy body elements to the central element
• buoyancy body elements particularly preferably having on their convex surface at least one recess extending transversely to their longitudinal axes for receiving at least one clamp.
• FIG. 1 shows a perspective view of a first exemplary embodiment of a
• Fig. 2 is a perspective view of a second embodiment of a
• FIG. 3 shows a detailed exploded view of the wind energy installation from FIG. 1;
• Buoyancy bodies provided in a perspective view (A), a side view (B) and in plan view (C);
• Fig. 5 shows a representation of a detail of a with a circular
• Wind energy installation designed as a buoyant body in a perspective view (A), a side view (B) and in plan view (C);
• FIG. 6 perspective detailed views (A, B) of a particularly preferred
• FIG. 7 is a detailed exploded view of the float shown in FIG. 5.
• FIG. 1 shows a perspective view of a first exemplary embodiment of a
• the floating wind energy installation 10 has the Y-shaped floating foundation 20 known from this type of installation, which has three buoyancy bodies 30 which are attached to the free ends of the foundation 20 forming arms 22, 24, 26 are attached.
• the buoyancy bodies 30 are elliptical in cross section and also serve to brace the two
• FIG. 2 has a perspective view of a second exemplary embodiment of a floating wind energy installation 10 ′ according to the invention with - seen in cross section - circular buoyancy bodies 30.
• This floating wind energy installation 10 ′ also has a Y-shaped floating foundation 20 which has three buoyancy bodies 30 ′ which are attached to the free ends of the arms 22, 24, 26 forming the foundation 20.
• the buoyancy bodies 30 are circular in cross section, but also serve to brace the tower 40 of the wind energy system 10 ′ by means of appropriately provided ropes 50.
• FIG. 3 shows a detailed exploded view of the wind energy installation from FIG. 1, in which some of the components of the wind energy installation 10 shown in FIG. 1 have been omitted for reasons of a better overview.
• FIG. 3 shows only a portion of the foundation 20, which with a portion extending out of the plane of the foundation 20
• Central element 28 is connected, around which a plurality of buoyancy elements 32, 34 forming the buoyancy body 30 is arranged.
• the buoyancy body 30 is formed from a plurality of buoyancy body elements 32, 34 designed as hollow bodies, which are arranged in two planes concentrically around the central element 28 extending from the floating foundation 20 next to one another.
• the buoyancy body elements 32, 34 are detachably connected to the central element 28, so that, for example, if a buoyancy body element 32, 34 is damaged, a simple exchange can take place.
• Each buoyancy body element 32, 34 has a surface which is supported on the central element 28, a convex surface arranged opposite the central element 28 and two each on a side surface of an adjacent one
• Buoyancy body element 32, 34 supporting side surfaces.
• the convex surfaces of the buoyancy body elements 32, 34 together form an ellipse when viewed in cross section through the buoyancy body elements 32, 34, so that the buoyancy body 30 as a whole has an elliptical shape in cross section.
• the outer wall forming the convex surface has a thicker wall than the walls forming the side surfaces.
• the outer wall forming the convex surface has a thicker wall thickness than the walls forming the side surfaces or a sandwich shell and is thus capable of acting exclusively from the outside on the floating body 30 with a relatively light construction
• buoyancy body elements 34 arranged below the first plane have thicker walls than the buoyancy body elements 32 arranged in the first plane, whereby these can also have a higher pneumatic internal pressure than those arranged in the first plane
• Buoyancy body elements 32 These measures take into account the higher pressure conditions that prevail in greater water depth and act on the buoyancy body elements 34.
• FIG. 4 shows a representation of a detail of a wind power plant designed with elliptically designed buoyancy bodies in a perspective view (A), a side view (B) and in plan view (C).
• the floating body 30 consists of several individual components, namely the buoyancy body elements 32, 34 arranged in two planes, the floating body 30 has a surface that is closed to the outside. The from the outside on the
• the hydrostatic pressure forces acting on the floating body 30 are diverted into the central element 28 via the side walls of the buoyancy body elements 32, 34.
• the central element 28 also has the connections for the guy ropes 50 of the tower 40, so that the central element 28, as a load-transferring component, transfers the hydrostatic and dynamic loads acting on the floating bodies 30 as well as the aerodynamic thrust loads acting on the drive train to the foundation 20.
• the buoyancy body elements 32, 34 are designed in such a way that they correspond approximately to the dimensions of an ISO container and have a length of approximately 12 m and a diameter or edge length of approximately 2.50 m. This configuration makes it possible to transport the buoyancy body elements 32, 34 over land and possibly water without any problems, without special precautions having to be taken.
• Buoyancy bodies are shown in Fig. 5 in a perspective view (A), a side view (B) and in plan view (C). Again, one with the foundation 20 is one
• the central element 28 'connected to the floating wind turbine 10' is provided, around which a plurality of buoyancy body elements 32 ' , 34' is arranged which builds up the buoyancy body 30 'and which are also organized in two planes around the central element 28 ' .
• the buoyancy bodies 30 'of this exemplary embodiment have a circular cross-section, the buoyancy body elements 32', 34 ' having a plurality of the
• Clamps 60 comprising buoyant body elements 32 ', 34' are held together and attached to the central element 28 '.
• each buoyant body element 32 ', 34' has a surface supported on the central element 28 ', a convex surface arranged opposite the central element 28' and two side surfaces each supported on a side surface of an adjacent buoyancy body element 32 ', 34' .
• the surface forming the convex has
• the outer wall has a thicker wall thickness than the walls forming the side surfaces and is thus able to counteract the hydrostatic pressure acting exclusively from the outside on the floating body 30 'with a relatively light construction.
• buoyancy body elements 34 ′ arranged below the first level are designed with thicker walls than those in the first level arranged buoyancy body elements 32 ', whereby these can also have a higher pneumatic internal pressure than those arranged in the first plane
• Buoyancy body elements 32 ' These measures take into account the higher pressure conditions which prevail in greater water depth and act on the buoyancy body elements 34 '.
• the buoyancy body elements 32 ', 34' are also designed in such a way that they correspond approximately to the dimensions of an ISO container and have a length of approximately 12 m and one
• buoyancy body elements 32 ', 34 ' shown in FIG. 5 can take place in a particularly simple manner if the central element 28 'is shown in perspective, as in FIG. 5
• buoyancy elements are provided on the central element 28 ' , which by means of corresponding positioning and fastening aids 70 on the central element 28' in a predetermined
• buoyancy body elements 32 'in which a boat landing BL is inserted To leave a free space near the water surface level of buoyancy body elements 32 'in which a boat landing BL is inserted.
• FIG. 7 finally shows a detailed exploded view of the one shown in FIG.
• Buoyancy body 30 ' including the clamps 60 required for fastening the buoyancy body elements 32 ' , 34 'to the central element 28'.

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• Engineering & Computer Science (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Ocean & Marine Engineering (AREA)
• Sustainable Energy (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Engineering & Computer Science (AREA)
• Sustainable Development (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• Wind Motors (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=71409457

Family Applications (1)

Country Status (7)

Families Citing this family (5)

Family Cites Families (13)

• 2019
  • 2019-07-09 DE DE102019118564.5A patent/DE102019118564B4/de active Active
• 2020
  • 2020-06-24 WO PCT/IB2020/000448 patent/WO2021005413A1/de unknown
  • 2020-06-24 EP EP20735688.2A patent/EP3997336A1/de active Pending
  • 2020-06-24 US US17/623,755 patent/US20220250722A1/en active Pending
  • 2020-06-24 CN CN202080049993.5A patent/CN114080499A/zh active Pending
  • 2020-06-24 JP JP2022500930A patent/JP2022540162A/ja active Pending
  • 2020-06-24 KR KR1020227004284A patent/KR20220029750A/ko not_active Application Discontinuation

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