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FLOATING SUPPORT STRUCTURE WITH MULTIPLE CENTRAL COLUMNS FOR AN OFFSHORE WIND TURBINE AND METHOD FOR ASSEMBLING SUCH A STRUCTURE

Resumen de: AU2023345711A1

The invention relates to a floating support structure (2-1) for an offshore wind turbine, the structure comprising a lower connector (4) centered on an axis (X-X) of a tower (9) of the wind turbine and comprising at least three lower receptacles (10) which are regularly distributed around the axis of the tower of the wind turbine, an upper connector (6) centered on the axis of the tower of the wind turbine and comprising, in an upper portion, means (14) for accommodating a wind turbine tower and, in a lower portion, at least three upper receptacles (12) which are regularly distributed around the axis of the tower of the wind turbine, and at least three identical tubular central columns (8) which are fitted by a lower end into one of the receptacles of the lower connector and by an opposite, upper end into one of the receptacles of the upper connector so as to form a floating support pylon in the vertical extension of the tower of the wind turbine. The invention also relates to a method for assembling such a structure.

Floating offshore support structure for a wind turbine and a method of its operation using adjustable-ballast reservoirs

Resumen de: US2025091697A1

A semisubmersible offshore support structure for a wind turbine carries an adjustable-ballast reservoir above sea level fillable with water for providing extra load on a part of the support structure. By adjusting the water volume in the adjustable-ballast reservoirs, the wind turbine can be maintained in vertical orientation despite wind pressure. A drain is provided for draining water from the reservoir into the sea by gravity only for emptying the reservoir passively in case of power failure.

WIND TURBINE FOUNDATION, WIND GENERATING SET, AND CONTROL METHOD

Resumen de: EP4524394A1

The present application provides a wind turbine foundation, a wind generating set, and a control method. The wind turbine foundation comprises a support assembly and a vibration suppression system; the support assembly comprises a main floating body, a plurality of sub floating bodies distributed at intervals, and connecting bodies; each sub floating body is connected to the main floating body by the corresponding connecting body, and the main floating body is connected to a tower; the vibration suppression system comprises vibration suppression devices, a first collector, and a controller; the vibration suppression devices are connected to at least two sub floating bodies among the plurality of sub floating bodies; the vibration suppression device comprises a base, a mounting frame, a rotating disc, and a driving component; and the controller controls, according to a floating body vibration acceleration, the driving component of each vibration suppression device to drive the rotating disc to rotate to a predetermined rotational speed. The wind turbine foundation has a vibration suppression function, high response speed and good vibration suppression effect.

ASYMMETRIC FLOATING WIND TURBINE INSTALLATION

Resumen de: AU2023270109A1

A floating wind turbine installation comprises an asymmetric floating wind turbine structure that is tethered to the floor of a body of water by a mooring system. The floating wind turbine structure comprises a wind turbine mounted on a semi- submersible floating platform, and is oriented such that the wind turbine is positioned on an upwind side of the centre of mass of the floating wind turbine structure when the wind approaches the wind turbine structure in the direction of the prevailing wind at the location of the wind turbine installation.

OFFSHORE FLOATING PLATFORM FOR AEOLIAN GENERATORS

Resumen de: CN119173439A

Described herein is an offshore floating platform comprising: a plurality of wind generators comprising: a wind tower having a longitudinal extension and provided with a first end and a second end; the blade type wind driven generator is located at the first end; an engagement base at the second end; a connecting part connecting the two wind generators and comprising at least one connecting element; wherein each engagement base engages with the connecting element such that each wind tower can be moved independently in a direction substantially parallel to the longitudinal development axis of the wind tower.

BUOYANCY BODY FOR SUPPORTING A FLOATABLE STRUCTURE IN A FLOATING MANNER, FLOATABLE STRUCTURE, AND MODULARLY DESIGNED PLATFORM

Resumen de: WO2023217849A1

The invention relates to a buoyancy body (1) for supporting a floatable structure (50) in a floating manner, wherein the buoyancy body (1) is substantially designed in the shape of a cylinder or a regular prism and has a cover surface (4) substantially perpendicularly to an axis of symmetry (3) of the buoyancy body, said cover surface being equipped with depressions (21) in order to receive a node point (6) of a substantially flat framework-like base structure (2) in a form-fitting manner. Fixing elements (9) fix the base structure (2) in the direction of the axis of symmetry (3) so that the buoyancy body (1) can be secured in all 6 (six) degrees of freedom at a node point (6). By clamping an additional base structure (2) on the base surface of the buoyancy body (1) to the first base structure, a floatable module (60) can be produced which can be used as a basic component for flat and tower-type structures.

HULL STRUCTURE FOR A SEMI-SUBMERSIBLE WIND POWER TURBINE PLATFORM

Resumen de: US2025084830A1

A hull structure for a semi-submersible wind power turbine platform and a method for loading a set of such hull structures onto a semi-submersible cargo carrying marine vessel. The hull structure includes first, second and third buoyant stabilizing columns extending in a substantially vertical direction; and first and second elongated submersible buoyant pontoon structures extending in a substantially horizontal direction. The hull structure generally has a V-shape in the horizontal plane with the first and second pontoon structures forming legs in the V-shape and with the second column located where the legs meet. The hull structure is arranged so as to exhibit: i) a first angle in the horizontal plane between a central longitudinal axis of the first pontoon structure and a central longitudinal axis of the second pontoon structure; and ii) a second angle in the horizontal plane between a) a first imaginary line between a central point of the first stabilizing column and a central point of the second stabilizing column and b) a second imaginary line between the central point of the second stabilizing column and a central point of the third stabilizing column, wherein the second angle is larger than the first angle.

ASSEMBLY COMPRISING A FLOATING STRUCTURE, A WIND TURBINE AND DRIVE MEANS THEREFOR

Resumen de: WO2025051716A1

The invention relates to a floating assembly (1) for generating electrical power, the assembly comprising a floating structure (10) connected to a buoy (20) by at least one flexible connection (30), a wind turbine (100) comprising a bearing structure (110) supporting a propeller (120) that rotates about an axis of rotation, such that it further comprises means (128) for driving the propeller (120) in order to rotate its rotor (126), means (50) for measuring the distance of separation between the floating structure (10) and a vertical axis of rotation of the buoy (20), and means (80) for activating the drive means (128) to rotate its rotor (126) in order to move the floating structure (10) away from the buoy when the distance of separation measured by the distance sensor (50) is below a given threshold.

SEMI-SUBMERSIBLE FLOATING PLATFORM FOR A WIND TURBINE

Resumen de: WO2025051591A1

The present invention relates to a semi-submersible floating platform (1) for a wind turbine (50). The platform comprises: three columns each having an axis, the columns comprising a primary column (10 )adapted to support a wind turbine, and two secondary columns (30a, 30b) wherein each one of the three columns is connected to the other two columns by cross members (15a, 15b, 35) in a triangular arrangement. Further, the cross member between the secondary columns (35) incorporates ballast and each of the cross members (15a, 15b) connecting to the primary column incorporate buoyancy. The primary column (10) has a larger displacement than either of the two secondary columns (30a, 30b) and the cross member (35) extending between the secondary columns has a smaller displacement than the cross members (15a, 15b) connected to the primary column (10).

FLOATING OFFSHORE PLATFORM COMPRISING HOLLOW STRUCTURAL ELEMENTS CONNECTED TOGETHER, ELECTRICITY PRODUCING ASSEMBLY COMPRISING SUCH A PLATFORM, AND CORRESPONDING MANUFACTURING METHOD

Resumen de: WO2025051971A1

A floating offshore platform comprising a first hollow structural element (24), a second hollow structural element (26), and a mechanical connection (28), altogether defining an interior volume (40) and an exterior volume (42), the connection comprising: - a first flange (52) defining a first axis (X1) and a first bearing surface (S1), the first bearing surface being spherical and concave, - a second flange (54) defining a second axis (X2) and a second bearing surface (S2), the second axis being intended to be aligned or offset with respect the first axis as a result of manufacturing and/or assembling tolerances, - a fastening system (56) comprising bolts (58), - a sealing system (60) for sealing the interior volume (40), the sealing system extending between the first flange and the second flange and surrounding the first axis.

MAGNETIC POWERTRAIN FOR WAVE ENERGY CONVERTERS

Resumen de: AU2023219991A1

A magnetic powertrain for wave energy converter is developed. It includes processes from wave energy being harvested in bidirectional motions to combing and obtaining mechanical power outputs of the wave energy converter with desired mechanical power outputs, including unidirectional rotations.

FLOATING METAL PLATFORM

Resumen de: US2025083778A1

A floating wind turbine metal platform supports a wind turbine. The platform includes a centre hub, connectable to a tower, and three elongated elements connected to the centre hub. The elongated elements are arranged with regular angular spacing. Each elongated element includes: a first elongated member and a second elongated member parallel to the first elongated member. The platform includes a first buoyancy element connected to the first elongated member and the second elongated member. At least one of the elongated members of each elongated element is a stiffened plate. Each elongated element comprises stiffening means for stiffening of the elongated members.

FLOAT FOR OFFSHORE WIND PLATFORMS

Resumen de: WO2025051628A1

The invention relates to an offshore wind turbine float (2) comprising an upper metal wall (4) forming an upper end of the float, a lower metal wall (6, 46, 60) forming a lower end of the float, and at least one side wall (8, 18, 28, 28', 48, 58) connecting the upper and lower metal walls to create a sealed enclosure for the float, wherein the side wall (8, 18, 28, 28', 48, 58) comprises: - an external metal panel (10, 20, 30, 30', 40, 50), - an internal metal panel (12, 22, 32, 32', 42, 52) parallel to the external panel, - at least one corrugated metal sheet (14, 24, 34, 34', 44', 44'', 54) extending within a space formed between the external metal panel and the internal metal panel, wherein the corrugated metal sheet is attached to both the internal metal panel and the external metal panel.

MOORING LINE ANCHORED MONOPILE FOR OFFSHORE WIND TURBINE FOUNDATION

Resumen de: WO2025054087A1

Techniques are disclosed herein for minimizing movement of a fixed marine structure. Using the technologies described, a wind turbine may be mounted on a fixed marine platform that is secured by mooring lines coupled to one or more driven anchor piles. Each of the anchor piles may be driven into the seabed floor at an angle of batter that is less than or equal to an angle of inclination of a corresponding morning line.

INSTALLATION FOR THE LOAD-OUT INTO THE WATER OF A HEAVY LOAD

Resumen de: EP4520961A2

Installation (1) for the load-out into the water of a heavy load (10) located onshore, in particular a load constituted by a tripod- or tetrapod-type float, having:- at least two support structures (20) that are independent of one another and can be moved on the respective paths, each of which being equipped with lifting means (60) configured to be hooked to the load, each of these support structures being equipped with a counterweight (22),- the installation being configured to allow the lifting means (60) of the support structures, when the load is positioned in the load-out area, to extend at least partially above the water in order to lower the load into it.

FLOATING OFFSHORE PLATFORM COMPRISING HOLLOW STRUCTURAL ELEMENTS CONNECTED TOGETHER, ELECTRICITY PRODUCING ASSEMBLY COMPRISING SUCH A PLATFORM, AND CORRESPONDING MANUFACTURING METHOD

Resumen de: EP4520645A1

A floating offshore platform comprising a first hollow structural element (24), a second hollow structural element (26), and a mechanical connection (28), altogether defining an interior volume (40) and an exterior volume (42), the connection comprising:- a first flange (52) defining a first axis (X1) and a first bearing surface (S1), the first bearing surface being spherical and concave,- a second flange (54) defining a second axis (X2) and a second bearing surface (S2), the second axis being intended to be aligned or offset with respect the first axis as a result of manufacturing and/or assembling tolerances,- a fastening system (56) comprising bolts (58),- a sealing system (60) for sealing the interior volume (40), the sealing system extending between the first flange and the second flange and surrounding the first axis.

MOORING SYSTEM

Resumen de: ES3004632A2

The present invention relates to a mooring system for a floating platform (100) that eliminates the pitch and roll movements of the floating platform (100) by means of several mooring lines (200) attached to the seabed (5), which are supported on several rotary securing means (2, 3) or pulleys of the floating platform (100) and are all attached to a shared counterweight (1) that hangs from the platform (100). Each mooring line (200) comprises sublines (200d, 200c) (direct, crossed or diagonal), which maintain the counterweight (1) always coinciding with the central axis (300) of the floating platform (100). It also eliminates the pendular movement of the counterweight (1) and can be used for floating platforms (100) with an odd number of projecting structural arms (12). The system can be used in any type of floating platform (100), although it is specially suited for floating platforms that serve as support for marine wind farms and maritime leisure platforms.

FLOATING WIND TURBINE PITCH ANGLE CONTROL DURING SHUTDOWN OPERATION

Resumen de: DK202430115A1

Control techniques for controlling a pitch angle of blades of a floating wind turbine during a shutdown operation are provided. A control technique includes obtaining a floater angular displacement of a floating platform coupled with a tower of the floating wind turbine; increasing the pitch angle of the blades at a first pitch adjustment rate from initiation of the shutdown operation until an acceleration of a rotor of the floating wind turbine has peaked; maintaining the pitch angle of the blades substantially constant from when the acceleration of the rotor has peaked until the floater angular displacement changes from positive to negative or has peaked to preserve thrust of the rotor and to dampen a moment of a base of the tower; and increasing the pitch angle of the blades at a second pitch adjustment rate when the floater angular displacement changes from positive to negative or has peaked.

Ensemble comportant une structure flottante, une éolienne et des moyens de motorisation de celle-ci

Resumen de: FR3152486A1

L’invention concerne un ensemble (1) flottant pour la production d’énergie électrique comprenant une structure flottante (10) reliée une bouée (20) à l’aide d’au moins une liaison souple (30), des moyens (40) reliés à la bouée (20) pour ancrer ladite structure flottante (10) à un fond marin (5), une éolienne (100) comportant une structure porteuse (110) supportant une hélice (120) tournant autour d’un axe de rotation (XX’), et des moyens (60 ; 70) de détermination de l’un au moins des paramètres suivants parmi la direction du vent, la vitesse du vent, le sens du courant marin et la vitesse du courant marin, caractérisé en ce qu’il comporte en outre des moyens (128) pour motoriser l’hélice (120) afin de faire tourner son rotor (126) dans un sens de rotation ou dans le sens opposé, des moyens (50) pour mesurer la distance d’éloignement D entre la structure flottante (10) et un axe de rotation verticale (ZZ’) de la bouée (20), des moyens (80) pour mettre en route les moyens (128) de motorisation et faire tourner son rotor (126 ) afin d’éloigner la structure flottante (10) de ladite bouée (20) lorsque ladite distance d’éloignement D mesurée par le capteur de distance (50) est inférieure à un seuil déterminé. Figure pour l’abrégé : Fig. 1

A SUBSEA POWER COLLECTION SYSTEM INCLUDING A DISTRIBUTED TRANSFORMER ARRANGEMENT

Resumen de: WO2025045394A1

A power collection system (100) for collecting power from a plurality of offshore power generation units comprises a three-phase subgrid (120) and a subsea power substation (130). The subgrid has a plurality of power input points (121) towards the power generation units and a shared three-phase power output point (122). The power substation (130) is connected to the power output point, and its secondary side (132) is arranged to be connected to a power consumer (170). The power substation shall comprise three one-phase transformers (140), which are contained in respective housings (143), wherein each housing is arranged to rest on the seabed and to be liftable to the sea surface separately from the other housings. Each phase of the power output point is connected to a primary side (141) of a corresponding one of the one-phase transformers.

METHOD AND SYSTEMS FOR FREE-FLOATING NAUTICAL STATIONKEEPING

Resumen de: US2025074554A1

Methods and systems are provided for nautical stationkeeping of free-floating objects. In one example, a method includes adjusting translational motion of a body freely floating in water by rotating the body. The translational motion may be adjusted, for instance, to maintain the body within a geographic area. In certain examples, the adjustment of the translational motion may be realized via a Magnus effect induced by rotating the body. The body may be configured as, for example, a free-floating object such as a wave engine.

AIRBORNE WIND POWER GENERATION APPARATUS FACILITATING DIRECTIONALITY ASSURANCE

Resumen de: WO2025048459A1

The present invention relates to an airborne wind power generation apparatus facilitating directionality assurance. To this end, the airborne wind power generation apparatus facilitating directionality assurance, of the present invention, comprises: a power generation apparatus body including one or more rotating bodies rotated by means of wind, and a power generator for producing electricity while operating by receiving the rotary force of the rotating bodies; and a buoyant body which is provided at the top of the power generation apparatus body so as to provide buoyancy for airborne flight, and which is stood up to be inclined toward the rear of the upper portion of the power generation apparatus body so as to move integrally with the power generation apparatus body such that the front surface of the power generation device body faces the direction from which the wind blows. Therefore, the present invention can provide the airborne wind power generation apparatus which allows the power generation apparatus body to float in the air by means of the buoyant body, to naturally change the direction thereof to the direction in which wind blows and, simultaneously, to maintain a horizontal orientation so as not to require a separate structure and a control device for direction changing or orientation maintenance, and thus is structurally simple and can stably ensure the orientation for power generation at a high altitude.

SYSTEM AND METHOD FOR FLOATING STRUCTURE AND POWER CABLE

Resumen de: WO2025046083A1

A system comprising a renewable power floating structure (1) arranged in a body of water, and a power cable (4) extending from the floating structure (1) into the body of water and along the seabed (3). The power cable (4) extends from the floating structure (1) for a first portion (41) of its length, extends in a catenary shape to an imparting element (6) providing buoyancy to the power cable (4) and a second portion (42) of the power cable (4) extends from the imparting element (6) to a tethered point (7) of the power cable connected to the seabed (3) and a third portion (43) of the power cable (4) extends from the anchored point (7) to a touch down point (10) of the power cable (4) where the power cable (4) is laying on the seabed (3). That the second portion (42) is forming a curved configuration of concavity down turned towards the seabed (3) and the power cable continuing this curvature in the third portion (43) of the power cable (4) to the touch down point (10) of the power cable (4) when projected in a vertical plane comprising a first portion connection point (5) to the structure (1) and the anchored point (7) of the power cable (4).

FLOAT FOR OFFSHORE WIND PLATFORMS

Resumen de: EP4517084A1

The invention relates to an offshore wind turbine float (2) comprising an upper metal wall (4) forming an upper end of the float, a lower metal wall (6, 46, 60) forming a lower end of the float, and at least one side wall (8, 18, 28, 28', 48, 58) connecting the upper and lower metal walls to create a sealed enclosure for the float, wherein the side wall (8, 18, 28, 28', 48, 58) comprises:- an external metal panel (10, 20, 30, 30', 40, 50),- an internal metal panel (12, 22, 32, 32', 42, 52) parallel to the external panel,- at least one corrugated metal sheet (14, 24, 34, 34', 44', 44", 54) extending within a space formed between the external metal panel and the internal metal panel, wherein the corrugated metal sheet is attached to both the internal metal panel and the external metal panel.

Double-impeller semi-submersible floating type wind turbine generator

Nº publicación: CN222542578U 28/02/2025

Solicitante:

CCCC THIRD HARBOR ENG CO LTD
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Resumen de: CN222542578U

The utility model relates to the technical field of offshore wind power generation equipment, and discloses a double-impeller semi-submersible floating type wind turbine generator which comprises a semi-submersible floating type foundation, the whole semi-submersible floating type foundation is of a triangular design, and single-point mooring devices, a lower fan and an upper fan are installed at the triangular positions of the semi-submersible floating type foundation respectively. A mooring anchor cable is installed on the single-point mooring device, and one corner of the semi-submersible floating type foundation is moored and positioned in the ocean through the mooring anchor cable. The double-impeller semi-submersible floating type wind turbine generator solves the problems that in an existing floating type wind turbine generator with double machine heads, in order to keep left-right balance of a foundation, an upper draught fan and a lower draught fan are usually combined, so that a corresponding yaw system needs to be designed for control, the draught fans complete wind alignment, and the wind power generation efficiency is high. Therefore, yaw control of the fan becomes more complex, and popularization and application of the floating type wind turbine generator are not facilitated.