WO2014067885A1 - Base de support pour une structure en mer, particulièrement apte à produire la génération d'énergie renouvelable - Google Patents

Base de support pour une structure en mer, particulièrement apte à produire la génération d'énergie renouvelable Download PDF

Info

Publication number
WO2014067885A1
WO2014067885A1 PCT/EP2013/072473 EP2013072473W WO2014067885A1 WO 2014067885 A1 WO2014067885 A1 WO 2014067885A1 EP 2013072473 W EP2013072473 W EP 2013072473W WO 2014067885 A1 WO2014067885 A1 WO 2014067885A1
Authority
WO
WIPO (PCT)
Prior art keywords
support base
base according
water
inverted conical
region
Prior art date
Application number
PCT/EP2013/072473
Other languages
English (en)
Inventor
Xavier TOUS I CANALS
Guillem PASTOR I AUGUET
Original Assignee
Electric Waves, S.L.
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 Electric Waves, S.L. filed Critical Electric Waves, S.L.
Publication of WO2014067885A1 publication Critical patent/WO2014067885A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/0004—Nodal points
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/027—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto steel structures
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/141—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy with a static energy collector
    • F03B13/142—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy with a static energy collector which creates an oscillating water column
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0039—Methods for placing the offshore structure
    • E02B2017/0043—Placing the offshore structure on a pre-installed foundation structure
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0056—Platforms with supporting legs
    • E02B2017/0073—Details of sea bottom engaging footing
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0091—Offshore structures for wind turbines
    • 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
    • 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
    • F05B2240/10—Stators
    • F05B2240/13—Stators to collect or cause flow towards or away from turbines
    • 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
    • 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
    • F05B2250/00—Geometry
    • F05B2250/30—Arrangement of components
    • F05B2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05B2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
    • 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
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the present invention relates to a support base for an offshore structure, particularly adapted to provide generation of renewable energy.
  • Fixed bases normally comprise one or more rigid supporting structures (e.g. legs) anchored to the seabed.
  • floating or buoyant bases several configurations have been proposed: many of these employ floater elements in the form of hollow floater tanks that in use are arranged substantially below the mean sea level and provide a buoyancy force to support the offshore structure. Ballasts in the floater and/or mooring lines anchored to the seabed may be provided for achieving stability.
  • a particular conventional support base is typically designed to satisfy the main purpose of supporting with certain stability a particular type of offshore structure.
  • a conventional base for supporting an offshore wind turbine is normally quite different from a conventional base for supporting an oil plant.
  • incorporation of other functionalities different from stably supporting the offshore structure may require very significant changes in the corresponding design of such a support base.
  • Oscillating Water Column (OWC) wave power plants are known.
  • OWC Oscillating Water Column
  • the rising and falling water surface within a chamber is used to produce an oscillating air current in which a turbine is placed.
  • a so-called Wells turbine is used to take advantage of the air flow in two directions.
  • a generator may be operationally connected to the turbine in order to generate electricity.
  • Incorporation of an OWC system to a base for supporting an offshore structure may be very interesting, since electricity generated by the OWC system could be easily supplied to the supported offshore structure for its consumption.
  • a lighthouse could use electricity from the OWC system for supplying the corresponding light systems
  • a wind turbine could use electricity from the OWC system for supplying auxiliary systems such as e.g.
  • Systems comprising a base supporting one or more offshore structures and an OWC system integrated in said base are known.
  • these known systems are limited to support a particular type of offshore structures.
  • GB2365385A and GB2442719A disclose respective systems restricted to offshore wind turbines. The design of said systems would have to be changed significantly in order for it to support other types of offshore structures, such as e.g. oil plants, bridges, etc.
  • US2012248776 A1 discloses an offshore platform including a support structure for supporting a workstation in a body of water at an offshore location; the support structure having a mounting formation, and at least one duct mounted to the mounting formation, the duct being configured to receive an oscillating water column (OWC) from the body of water wherein oscillations of the OWC generate a fluid flow for driving an energy extraction module.
  • OWC oscillating water column
  • embodiments of the platform are described having columns (or pylons), all or some of said columns having a plurality of ducts mounted about the column (i.e. externally to the column).
  • Each duct is configured to receive an OWC from the ocean. The OWC oscillates in response to the rise and fall of ocean waves passing the duct.
  • the abovementioned arrangement of the ducts with respect to the corresponding column (or pylon) may cause the overall OWC system to be significantly exposed to the force/impact of waves and currents which may lead to additional loads and instabilities because of the OWC system.
  • the turbines of the OWC system are relatively unprotected. These inconveniences may cause significant wear/damages on at least some OWC elements and possibly on the offshore platform as a whole and accordingly reduce the life of the OWC system.
  • a support base for at least partially supporting an offshore structure comprising an inner space, a divider piece, a tubular pylon, a lid and one or more holes.
  • Each hole defines a water inlet of an oscillating water column system.
  • the divider piece is provided in the inner space.
  • the divider piece has a top wall and one or more inner side walls defining a water oscillating chamber connected with each water inlet of the oscillating water column system.
  • the tubular pylon and the lid are arranged in such a way that a turbine chamber is defined on top of the water oscillating chambers.
  • a modular built-up of a support base for an offshore structure is thus provided.
  • the combination of the divider piece and inner space (into which the divider piece is inserted) permits having OWC chambers which are relatively well protected from the outside environment.
  • the tubular pylon and the lid may allow easily forming a turbine chamber with ensured protection of turbines (and possibly generators and/or other electrical components arranged with said turbines) from the offshore environment.
  • the OWC portion of the support base may be sealed off from the rest of the structure. For example, flow of moist air into a wind turbine or lighthouse may thus be avoided.
  • An aspect of this invention is that the proposed support base may be easily used to integrate OWC functionalities with support of different types of offshore structures, such as e.g.
  • the suggested support base may be considered a versatile support structure of general purpose in the sense of that the same type of supporting structure may be used to support different types of offshore structures in a very simple way.
  • Another aspect may be that electricity generated by the integrated OWC system may be easily supplied to the supported offshore structure.
  • an offshore structure supported by a support base according to the invention could possibly be stand-alone.
  • an offshore lighthouse could use OWC electricity to produce the corresponding lighting
  • an offshore oil plant could use OWC electricity to illuminate the plant
  • an offshore bridge could use OWC electricity to illuminate the bridge, etc.
  • the integrated OWC elements can cause extension of the useful life of the support base. Part of the kinetic and potential energy of the waves is redirected and transformed into electricity by the integrated OWC system. Therefore, the support base does not assume the whole energy impact of the waves, since part of this energy is captured and converted into electricity by the OWC system. This may increase the lifetime of the support base and/or may reduce the need of material in the support base.
  • the inner space may have a substantially cylindrical shape. This implies that pieces to be inserted (totally or partially) into this inner space will have rounded shapes, which may be considered suitable according to structural, stability and manufacturing reasons.
  • respective longitudinal axes of the inner space and the overall support base may substantially coincide, such that the inner space is provided in a central position of the support base. This central position may permit better stability of the overall structure.
  • the top wall of the divider piece (defining the water oscillating chambers) may comprise a hole defining a top opening for each of the water oscillating chambers.
  • the structure may be quite prepared to receive corresponding turbines to generate electricity from the air flows coming from the water oscillating chambers.
  • embodiments of the support base may incorporate a corresponding turbine on each top opening of the water oscillating chambers. The turbines may thus be integrated in the support base.
  • the inner side walls of the divider piece (defining the water oscillating chambers) may be configured with a thickness and orientation causing each water oscillation chamber to have a substantially uniform horizontal separation along the height of the divider piece.
  • the inner side walls of the divider piece may be configured with a thickness and orientation causing each water oscillation chamber to have a horizontal separation substantially decreasing upwardly. This may permit the air flows caused by oscillating water motions in the water oscillation chambers to be stronger, such that electricity production may be more efficient.
  • the inner side walls of the divider piece may be provided substantially vertical.
  • the inner side walls of the divider piece may be provided substantially inclined in alignment with the inclination of the water inlets. This aligned inclination of the inner side walls may permit improved oscillating motions of the water entering and exiting the water inlets.
  • the tubular pylon may comprise a bottom region fitted in a groove of the inner space around the divider piece. This fitting may permit a strong and stable assembly of the tubular pylon with the support base, possibly needing very few additional fastening means (e.g. screws).
  • the tubular pylon may comprise inner protuberances for supporting the lid in a position internally of the tubular pylon, such that an upper region of the tubular pylon is defined above the lid. Taking this into account, a leg or tower of the offshore structure (to be supported) may be fitted in said upper region of the tubular pylon. This other fitting may permit a strong and stable assembly of the leg or tower of the offshore structure with the support base, possibly needing very few additional fastening means (e.g. screws).
  • the tubular pylon may comprise one or more holes, each hole defining an opening to the outside for the turbine chamber, with the goal of promoting air flows to be transformed into electricity by the corresponding turbines.
  • the lid may have a substantially inverted conical shape, which may aerodynamically optimize the air flows to be transformed into electricity.
  • the support base may comprise a substantially inverted conical region which comprises the inner space and the one or more holes defining the one or more water inlets.
  • Embodiments of the support base may further comprise a substantially non-inverted conical region which supports the inverted conical region.
  • the inverted conical region and/or the non-inverted conical region may perform the function of breakwater.
  • a non-inverted conical region is to be understood as a region with a decreasing cross-sectional area from a bottom towards a top.
  • An inverted conical region is to be understood as a region with an increasing cross-sectional area from a bottom towards a top.
  • the support base may further comprise an intermediate substantially cylindrical region between the inverted conical region and the non-inverted conical region, such that the non-inverted conical region supports the inverted conical region through said intermediate cylindrical region.
  • the support base may have a mono-pile structure, and/or a tripod structure, and/or a gravity base structure, and/or a caisson structure, and/or a Tension Leg Platform (TLP) structure.
  • TLP Tension Leg Platform
  • diverse pieces/regions may be separate pieces which can be easily assembled.
  • the inverted conical region and the non-inverted conical region may be separate pieces (and, optionally, the intermediate cylindrical region), such that they can be transported separately. This may permit an easier/cheaper transport of the support base.
  • having separate pieces may permit designing some pieces (e.g. the non-inverted conical region) with different heights, and some other pieces (e.g. the inverted conical region) may be standardized according to a particular design, as well as both pieces may have corresponding standard coupling parts (optionally comprising e.g. the intermediate cylindrical region). This way, the standard piece could be coupled with another piece having a height depending on the depth of the sea area where the support base is to be installed.
  • Figure 1 schematically illustrates a front view of a support base according to a first embodiment of the invention
  • Figure 2 schematically represents a cross-sectional view of a support base according to a second embodiment of the invention
  • Figure 3 schematically illustrates a perspective view of the support base of Figure 2 but disassembled
  • Figure 4 schematically represents an exploded view of the divider piece of Figure 3;
  • Figure 5 schematically represents a perspective view of an alternative divider piece
  • FIGS 6 to 9 schematically represent different types of offshore structures supported by one or more support bases according to embodiments of the invention.
  • FIGS 10 to 14 schematically represent different types of support bases according to other embodiments of the invention.
  • FIG. 1 schematically illustrates a front view of a support base according to a first embodiment of the invention.
  • This support base 100 comprises a substantially inverted conical region 102 at least partially supporting the offshore structure (not shown), and a substantially non-inverted conical region 101 supporting the inverted conical region.
  • the support base 100 further comprises an intermediate substantially cylindrical region 103 between the inverted conical region 102 and the non-inverted conical region 101 , such that the non-inverted conical region 101 supports the inverted conical region 102 through said intermediate cylindrical region 103.
  • the non-inverted conical region 101 may be considered as a foundation and the inverted conical region may be considered as a transition piece (between the foundation and at least part of the offshore structure), such that the transition piece is supported by the foundation (through the cylindrical region 103, in this example).
  • shapes other than conical shapes may be considered for any of the foundation and the transition piece.
  • the inverted conical region 102 comprises one or more holes 104, each hole defining a water inlet 104 of an oscillating water column system.
  • the inverted conical region comprises an inner space (not shown) and a divider piece (not shown) provided in the inner space, said divider piece defining a water oscillating chamber (not shown) connected with each water inlet 104 of the oscillating water column system.
  • Figure 1 further shows a base piece 106 supporting the non-inverted conical region 101 .
  • This base piece 106 may have a more pronounced conical configuration which may permit a better stabilization of the overall support base 100 in case of the support base 100 being aimed at resting on the seabed. If the support base is required to float in the sea, this base piece 106 can be suitably ignored.
  • the support base 100 may further comprise an upper substantially cylindrical region 105 provided on top of the inverted conical region 102, such that the inverted conical region 102 may at least partly support the offshore structure in combination with this additional upper cylindrical region 105.
  • the offshore structure may be fixed on top 108 of said upper cylindrical region 105 or (if such a region 105 does not exist) on top of the inverted conical region 102 by using conventional fastening means, such as e.g. screw based assemblies.
  • conventional fastening means such as e.g. screw based assemblies.
  • the next two figures describe a preferred configuration based on nesting pieces which provides good subjection and stability by taking advantage of the weight of said pieces themselves and of the supported offshore structure.
  • FIG. 2 schematically represents a cross-sectional view of a support base according to a second embodiment of the invention.
  • This figure further shows a divider piece provided in an inner space of the inverted conical region 102, said divider piece having a top wall 203 and one or more inner side walls 205 defining a water oscillating chamber 206 connected with each water inlet 104 of an oscillating water column system.
  • Each water oscillating chamber 206 is connected with its corresponding water inlet 104 in such a way that an oscillatory motion 210 of water entering and exiting the water inlet 104 is caused.
  • the divider piece (defining the water oscillating chambers 206) is provided with a bottom wall 202 which may be configured to properly align each water inlet 104 towards its corresponding water oscillating chamber 206.
  • This bottom wall 202 may also have the function of sealing the water oscillating chambers 206.
  • the top wall 203 of the divider piece (defining the water oscillating chambers 206) comprises a hole defining a top opening for each of the water oscillating chambers 206.
  • a turbine 207 may be provided on each of said holes defining a top opening for each of the water oscillating chambers 206.
  • This support base 100 further comprises a tubular pylon 214 and a lid 209 arranged in such a way that a turbine chamber 21 1 is defined on top of the water oscillating chambers 206.
  • the tubular pylon 214 comprises a bottom region 204 fitted in a groove around the divider piece (defining the water oscillating chambers 206).
  • the tubular pylon 214 also comprises inner protuberances 212 for supporting the lid 209 in a position internally of the tubular pylon 214, such that an upper region 210 of the tubular pylon 214 is defined above the lid 209. Taking this into account, a leg or tower of the offshore structure may be fitted 213 in said upper region 210 of the tubular pylon 214.
  • the lid 209 may have a substantially inverted conical shape.
  • the tubular pylon 214 may further comprise one or more holes 208, each of said holes 208 defining an opening to the outside for the turbine chamber 21 1 .
  • Figure 3 schematically illustrates a perspective view of the support base of Figure 2 but disassembled.
  • Figure 3 shows a perspective view of the inner space 300 of the inverted conical region 102 in which the divider piece 302 (defining the water oscillating chambers 206) is provided.
  • This inner space 300 is shown as a cylindrical hole in a central position of the inverted conical region 102.
  • An inner surface of this cylindrical hole 300 is indicated by reference number 204.
  • This figure also shows the divider piece 302 isolated from the rest of the support base 100.
  • This perspective view of this divider piece 302 shows the top wall 203 with a hole 301 defining a top opening 301 for each of the water oscillating chambers 206. Respective turbines 207 to be positioned on each of said holes 301 are also shown.
  • Both the inner space 300 and the divider piece 302 are designed to cause a groove 306 between the divider piece 302 and the inner surface 204 of the inner space 300, once the divider piece 302 has been (not snugly) fitted in the inner space 300.
  • Figure 3 also shows the tubular pylon 214 with three differentiated regions indicated: the bottom region 305 to be fitted in the previously mentioned groove 306, the upper region 303 above the lid 209 once the lid 209 has been properly mounted in the tubular pylon 214, and the intermediate region 304 defining a turbine chamber in combination with the top wall 203 of the divider piece 302 and the lid 209 once mounted.
  • An important aspect of fitting the bottom region 305 of the tubular pylon 214 in the groove 306 is that a nesting configuration between the inner space 300, the tubular pylon 214 and the divider piece 302 results.
  • Figure 4 schematically represents an exploded view of the divider piece 302 defining water oscillation chambers of Figure 3.
  • Figure 4 shows the top wall 203 with three holes 301 a-301 c and two differentiated regions 203a-203b, three inner side walls 205a-205c, and the bottom wall 202 with two different regions 202a-202b.
  • the region 203a of the top wall 203, the inner side walls 205a and 205b, and the region 202a of the bottom wall 202 define the water oscillating chamber 206a having the top opening 301 a.
  • the chamber 206b is defined by corresponding inner walls 205b, 205c, top region 203b and bottom region 202b, said chamber 206b having the top opening 301 a.
  • a third chamber (not shown) is also defined by corresponding inner walls 205a, 205c, a region of the top wall (not indicated) and a region of the bottom wall (not shown), said third chamber having the top opening 301 c.
  • Figure 4 shows the inner side walls 205a-205c vertically oriented and having a uniform thickness 400a, 400b along the height 402 of the divider piece 302. These vertical orientation and uniform thickness 400a, 400b causes each water oscillation chamber 206a, 206b to have a horizontal separation 401 substantially uniform along the height 402 of the divider piece 302.
  • the inner side walls 205a-205c may have a thickness substantially increasing upwardly.
  • the thickness 400a could be less than the thickness 400b.
  • This thickness substantially increasing upwardly causes each water oscillation chamber 206a, 206b to have a horizontal separation 401 substantially decreasing upwardly.
  • Figure 4 shows the inner side walls 205a-205c provided substantially vertical, but, in alternative embodiments, the inner side walls are not necessarily vertically. A particular example of these alternative embodiments is described below with reference to the next figure.
  • Figure 5 schematically represents a perspective view of an alternative divider piece. This alternative divider piece is similar to the one illustrated by Figure 4. The only difference is that the inner side walls 205a-205c of the divider piece 302 are provided substantially inclined in accordance with the inclination of the corresponding water inlets (not shown because they are comprised in the inverted conical region).
  • the inclined inner side walls 205a-205c may also have uniform thickness along the height of the divider piece 302 or, alternatively, the inclined inner side walls 205a-205c may have a thickness substantially increasing upwardly. Details explained with respect to Figure 4 about uniform or increasing upwardly thickness may also be applicable to the example shown in Figure 5.
  • Figure 6 schematically represents an offshore wind turbine supported by a support base according to embodiments of the invention.
  • this figure shows a wind turbine 600 having a tower 601 supported by a support base 100 according to e.g. the embodiments previously described with reference to figures 2 to 5.
  • a bottom portion of the tower 601 is shown fitted 213 in the upper portion 303 of the tubular pylon 214. See figures 2 and 3 for detailed descriptions about said fitting.
  • FIG. 7 schematically represents an offshore oil plant supported by four support bases according to embodiments of the invention.
  • this figure shows an oil plant 600 having four legs 701 a-701 d supported by corresponding support bases 100a-100d according to e.g. the embodiments previously described with reference to figures 2 to 5.
  • a bottom portion of the leg 701 a is shown fitted 213 in the upper portion 303 of the tubular pylon 214a.
  • the remaining legs 701 b-701 d of the oil plant 700 are shown fitted 213 in the upper portion 303 of the corresponding tubular pylon 214b-214d. See figures 2 and 3 for detailed descriptions about said fittings.
  • Figure 8 schematically represents an offshore lighthouse supported by a support base according to embodiments of the invention.
  • this figure shows a lighthouse 800 having a tower 801 supported by a support base 100 according to e.g. the embodiments previously described with reference to figures 2 to 5.
  • a bottom portion of the tower 801 is shown fitted 213 in the upper portion 303 of the tubular pylon 214. See figures 2 and 3 for detailed descriptions about said fitting.
  • FIG. 9 schematically represents an offshore bridge supported by two support bases according to embodiments of the invention.
  • this figure shows an offshore bridge 900 having two legs 901 a, 901 b supported by corresponding support bases 100a, 100b according to e.g. the embodiments previously described with reference to figures 2 to 5.
  • a bottom portion of the leg 901 a is shown fitted 213 in the upper portion 303 of the tubular pylon 214a.
  • a bottom portion of the leg 901 b is shown fitted 213 in the upper portion 303 of the tubular pylon 214b. See figures 2 and 3 for detailed descriptions about said fittings.
  • the non-inverted conical region may be a hollow portion, such that this hollow region may be filled with suitable material (e.g. water, stones, etc.) to increase the weight of the support base. This increased weight may permit the support base to stably rest on the seabed. If the support base is aimed at floating in the sea, this hollow region may be filled or not in accordance with floating requirements.
  • the non-inverted conical region may be moored to the seabed by conventional mooring systems. Floating requirements may refer to e.g. how the support base has to be partially submerged to cause suitable entering and exiting of water through the water inlets.
  • Figures 10 - 14 schematically show respective views of support bases very similar to the one shown by Figure 3 but having different alternative foundations.
  • Figure 10 shows how the foundation may be a mono- pile foundation 10a.
  • Figure 1 1 shows how the foundation may be a tripod foundation 1 1 a.
  • Figure 12 shows how the foundation may be a gravity base foundation 12a.
  • Figure 13 shows how the foundation may be a caisson foundation 13a.
  • Figure 14 shows how the foundation may be a Tension Leg Platform (TLP) foundation 14a.
  • TLP Tension Leg Platform

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Foundations (AREA)

Abstract

L'invention porte sur une base de support (100) pour supporter au moins partiellement une structure en mer, laquelle base de support comprend un espace interne (300), une pièce de diviseur (302), un pylône tubulaire (214), un couvercle (209) et un ou plusieurs trous (208). Chaque trou (208) définit une entrée d'eau d'un système de colonne d'eau oscillant. La pièce de diviseur (302) est située dans l'espace interne (300). La pièce de diviseur (302) a une paroi supérieure (203) et une ou plusieurs parois latérales internes (205a-205c) définissant une chambre d'oscillation d'eau (206) reliée à chaque entrée d'eau (104) du système de colonne d'eau oscillant. Le pylône tubulaire (214) et le couvercle (209) sont agencés de telle manière qu'une chambre de turbine est définie au sommet des chambres d'oscillation d'eau (206).
PCT/EP2013/072473 2012-10-29 2013-10-28 Base de support pour une structure en mer, particulièrement apte à produire la génération d'énergie renouvelable WO2014067885A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12382416 2012-10-29
EP12382416.1 2012-10-29

Publications (1)

Publication Number Publication Date
WO2014067885A1 true WO2014067885A1 (fr) 2014-05-08

Family

ID=47172566

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/072473 WO2014067885A1 (fr) 2012-10-29 2013-10-28 Base de support pour une structure en mer, particulièrement apte à produire la génération d'énergie renouvelable

Country Status (1)

Country Link
WO (1) WO2014067885A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2593267A1 (es) * 2015-06-05 2016-12-07 Universidade Da Coruña Planta offshore de conversión de energías eólica y undimotriz a eléctrica
WO2019102188A1 (fr) * 2017-11-21 2019-05-31 Axis Energy Projects Group Limited Bouée et procédé d'installation de la bouée
NO20200713A1 (en) * 2020-06-19 2021-12-20 Sjetnan Bjoern Concrete Wave Power.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2017794A (en) * 1978-03-29 1979-10-10 Chevron Res Offshore Structure
US5005357A (en) * 1990-07-09 1991-04-09 Fox Mansel F Oscillating force turbine
GB2442719A (en) * 2006-10-10 2008-04-16 Iti Scotland Ltd Wave and wind power generation system
DE202007009474U1 (de) * 2007-07-05 2008-11-13 F & Z Baugesellschaft Mbh Offshore-Plattform
US20120248776A1 (en) * 2009-12-24 2012-10-04 Oceanlinx Ltd. Wave energy extraction system using an oscillating water column attached to the columns of an offshore platform

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2017794A (en) * 1978-03-29 1979-10-10 Chevron Res Offshore Structure
US5005357A (en) * 1990-07-09 1991-04-09 Fox Mansel F Oscillating force turbine
GB2442719A (en) * 2006-10-10 2008-04-16 Iti Scotland Ltd Wave and wind power generation system
DE202007009474U1 (de) * 2007-07-05 2008-11-13 F & Z Baugesellschaft Mbh Offshore-Plattform
US20120248776A1 (en) * 2009-12-24 2012-10-04 Oceanlinx Ltd. Wave energy extraction system using an oscillating water column attached to the columns of an offshore platform

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2593267A1 (es) * 2015-06-05 2016-12-07 Universidade Da Coruña Planta offshore de conversión de energías eólica y undimotriz a eléctrica
WO2019102188A1 (fr) * 2017-11-21 2019-05-31 Axis Energy Projects Group Limited Bouée et procédé d'installation de la bouée
CN111372843A (zh) * 2017-11-21 2020-07-03 轴能源工程集团有限公司 浮标及浮标的安装方法
US11203398B2 (en) 2017-11-21 2021-12-21 Axis Energy Projects Group Limited Buoy and installation method for the buoy
NO20200713A1 (en) * 2020-06-19 2021-12-20 Sjetnan Bjoern Concrete Wave Power.
NO346777B1 (en) * 2020-06-19 2022-12-27 Sjetnan Bjoern Concrete Wave Power.

Similar Documents

Publication Publication Date Title
US10774813B2 (en) Floating structure and method of installing same
EP2993270B1 (fr) Structure submersible de support actif pour tours de génératrices et de sous-stations ou d'éléments similaires, dans des installations maritimes
CN107399411B (zh) 浮动风力涡轮机平台的压载控制系统及竖直对准调节方法
CN113428307B (zh) 一种半潜浮式风机基础和半潜浮式风机
US20120248776A1 (en) Wave energy extraction system using an oscillating water column attached to the columns of an offshore platform
JP6718518B2 (ja) 浮体構造物
KR20100057550A (ko) 부유식 풍력발전기 및 그 설치 방법
KR101488292B1 (ko) 부유식 해상 풍력발전 시스템
WO2014067885A1 (fr) Base de support pour une structure en mer, particulièrement apte à produire la génération d'énergie renouvelable
KR101321920B1 (ko) 부유식 해상 발전설비
KR101202156B1 (ko) 수상 부유 풍력 발전기
KR101666785B1 (ko) 부유체 모듈 연결형 부유식 풍력발전기 지지 구조물
KR101034820B1 (ko) 유입손실을 줄이기 위한 파력발전용 진동 수주
CN109774877A (zh) 一种高稳性的新型半潜式风机基础及其设计方法
KR20140120152A (ko) 부유식 해상 풍력 발전기용 부유식 플랫폼
KR101427603B1 (ko) 절단 스파형 부유식 해상풍력 플랫폼
KR102637606B1 (ko) 부유식 해양 구조물 및 이를 구비하는 부유식 해양 발전 장치
KR102557570B1 (ko) 부유식 해양 구조물 및 이를 구비하는 부유식 해양 발전 장치
KR102624041B1 (ko) 부유식 해양 구조물 및 이를 구비하는 부유식 해양 발전 장치
KR102477646B1 (ko) 해양 구조물의 레그
US20230086811A1 (en) Tower array
CN113027688A (zh) 一种浮式风机基座及风机
WO2023170625A1 (fr) Flotteur destiné au support d'un générateur éolien offshore
KR20230095521A (ko) 풍력발전 장치
KR20230095361A (ko) 부유식 구조체 및 풍력발전 장치

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13783900

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13783900

Country of ref document: EP

Kind code of ref document: A1