Resumen de: US2023139764A1

Provided is a power generation system including a wave power generator that can be configured in a simple manner.The power generation system 1 includes: a power generation unit including a wave power generator 11; a power storage unit 40 accumulating electric power obtained by the power generation unit; a production unit 51 producing at least one of hydrogen and an organic hydride based on the electric power obtained by the power storage unit; and a tank 53 located below compared to the wave power generator 11 and storing at least one of the hydrogen and the organic hydride obtained by the production unit 51.

Resumen de: EP3957851A1

A method (500) for controlling the rotor speed of a floating wind turbine (101, 102, 103) including a floating foundation (120), a tower (130), a nacelle (160) and a wind rotor (140) having at least one wind blade, the method comprising the steps of:- identifying (501) at least a first critical frequency (f1, f2 f3) of the floating wind turbine (101, 102, 103),- calculating (502) a first plurality of critical rotor speeds (R11, R21, R31) of the wind rotor (140) respectively corresponding to each critical frequency (f1, f2, f3),- calculating (503) at least a second plurality of critical rotor speeds (R12, R22, R32) of the wind rotor (140) by dividing each critical rotor speed (R11, R21, R31) of the first plurality of critical rotor speeds (R11, R21, R31) by a frequency coefficient (N),- for each calculated critical rotor speed (R11, R21, R12, R22, R32) being lower than a maximum operational speed (Rmax) of the wind rotor (140) defining (504) a critical speed interval (T11, T21, T12, T22, T32) including the respective critical rotor speed (R11, R21, R12, R22, R32),- operating (505) the wind rotor (140) at an operative rotor speed outside each defined critical speed interval (T11, T21, T12, T22, T32).

Resumen de: WO2023068614A1

The present invention relates to a jig assembly for embedding a monopile into the sea-bed and a monopile embedding method using the same, by which a floating structure using a monopile can be easily installed on the sea-bed by using an embodiment comprising: a monopile having a lower end embedded into a sea-bed; and an embedding support unit which includes a main jig pipe detachably coupled to one monopile embedded into the sea-bed among a plurality of monopiles and supports the monopiles to enable remaining monopiles among the plurality of monopiles to be successively embedded into the sea-bed.

Resumen de: WO2021254786A1

The invention describes a floating support structure (1) for connection to a tower (101) of a wind turbine (100) without using a crane for mounting the tower (101). The support structure (1) comprises a first and second pivot line buoyancy unit (3, 5 4) having a pivot line (2) between them and a top buoyancy unit (5), wherein the top buoyancy unit (5) is positioned in a top corner of an isosceles triangle (T) with equal sides extending from the top buoyancy unit (5) to each of the first and second pivot line buoyancy unit (3, 4) and the support structure flange (15) is positioned on the lower half of a perpendicular line (H) from the top corner. The inventive support structure (1) have a stable vertical floating position with the first and second pivot line buoyancy units (3, 4) floating in a body of water and the top buoyance unit (21) vertically above them.

Resumen de: WO2021254991A1

The invention concerns a method for assembling one or more floating support structure at an assembly site using a plurality of floating sections produced at a production site distal from the assembly site. The floating support structures are suitable for supporting a windmill system comprising a windmill tower, a windmill nacelle and windmill blades. The floating support structure is particularly suitable for transport as modules on heavy-lift vessels over large distances and assembly of these modules in sea.

Resumen de: WO2021254990A1

The invention concerns a floating support structure, preferably a semi-submersible support structure, suitable for supporting a windmill system comprising a windmill tower, a windmill nacelle and windmill blades. The floating support structure is particularly suitable for transport as modules on heavy-lift vessels over large distances and assembly of these modules in sea.

Resumen de: WO2023064962A2

A floating substructure made of a steel structure with ballast tanks provides buoyancy and stability to support a wind turbine generator in deep waters. Mooring lines directly attach to the substructure to provide stability. These mooring lines can also be directly anchored to the bed of a body of water, such as a seabed, to control movements. Different types of anchors can be used depending on the soil characteristic of the bed of the body of water.

Resumen de: AU2021329416A1

Inter-array cable (IAC) assemblies, systems, and methods are disclosed in which a conductive cable between two floating platforms, e.g., floating wind turbine platforms, is suspended below the sea surface and above the seabed. One or more buoyancy sections are included in the cable, which reduces the static tension on the connection at the floating platform by reducing the suspended cable weight, and which provides geometric flexibility, allowing the IAC to comply with platform motions.

Resumen de: WO2023033896A1

Methods, systems (100), and computer-readable media that implement autonomous seagoing power replenishment watercraft. An example system includes a plurality of marine vessels (110), a plurality of watercraft (120, 130), each watercraft of the plurality of watercraft including a rechargeable electrical power supply and being configured to operate in: a first mode in which the watercraft awaits an assignment to provide electrical energy to a marine vessel of the plurality of marine vessels; a second mode in which the watercraft performs operations including keeping station with an assigned marine vessel and providing electrical energy to the assigned marine vessel from the power supply; and a third mode in which the watercraft recharges the power supply from a charging station (150). The system includes a controller configured to perform operations comprising: transmitting, to a first watercraft, an instruction indicating an assignment of the first watercraft to provide electrical energy to a first marine vessel.

Resumen de: WO2023057671A1

The invention describes a semi-submersible floating platform (1) comprising six columns (Cv, CL) arranged forming a triangle such that three vertex columns (Cv) are arranged at the vertices of the triangle and three side columns (CL) are arranged at the centers of the sides of the triangle, and wherein each column (Cv, CL) is connected by a respective joining element (B) to each of the adjacent columns (Cv, CL). In addition, a side column (CL) is designed to support the wind turbine (A). The columns (Cv, CL) that do not support the wind turbine (A) have a weight defined so as to maintain the center of mass of the assembly formed by the platform (1) and wind turbine (A) in the vertical of the centre of buoyancy of the platform (1).

Resumen de: WO2023059203A1

The invention relates to a floating foundation for wind turbine generators and a method for installing a wind turbine generator on top of and performing maintenance on said foundation. The floating foundation includes a tower and two support legs pivotally connected to the tower, forming a tripod-like structure. The floating foundation may include hydrodynamic damping elements and a single point mooring system leaving the foundation free to weathervane. The invention also relates to a method for using the structure as a crane, lowering and raising the turbine platform against and from e.g. a service barge during maintenance or assembly.

Resumen de: WO2023057029A1

A method of damping motion of a wind turbine, the wind turbine comprising a rotor and a floating platform. A motion signal is generated which is indicative of a motion of the wind turbine. A wind direction signal is generated which is indicative of a wind direction relative to the floating platform. A damping signal is generated on the basis of the motion signal and the wind direction signal, and the motion of the wind turbine is damped on the basis of the damping signal, for instance by adjusting the pitch of the rotor blades. A phase of the damping signal may be controlled on the basis of the wind direction signal.

Resumen de: US2023113147A1

A floating substructure made of a steel structure with ballast tanks provides buoyancy and stability to support a wind turbine generator in deep waters. Mooring lines directly attach to the substructure to provide stability. These mooring lines can also be directly anchored to the bed of a body of water, such as a seabed, to control movements. Different types of anchors can be used depending on the soil characteristic of the bed of the body of water.

Resumen de: ES2938666A1

The invention describes a semi-submersible floating platform (1) comprising six columns (C V , C L) arranged to form a triangle so that three vertex columns (C V) are arranged at the vertices of the triangle and three side columns (C L) are arranged in the centers of the sides of the triangle, and where each column (C V , CL) is connected by a respective joining element (B) to each of the adjacent columns (C V , CL). Also, a side column (C L) is configured to support the wind turbine (A). The columns (C V , C L) that do not support the wind turbine (A) have a weight configured to maintain the center of mass of the assembly formed by the platform (1) and the wind turbine (A) in the vertical of the center of buoyancy of the platform (1). (Machine-translation by Google Translate, not legally binding)

Resumen de: WO2021244724A1

An offshore floating structure (100) comprises a floater (200) with positive buoyancy and a keel (300) with negative buoyancy, as well as active and passive suspenders (400) connecting nodes of the keel (300) and the floater (200) with each other. When the keel (300) at the offshore site is lowered by making the active suspenders (440) longer, the passive suspenders (420), which have a fixed length and are held taut, causes the keel (300) to rotate about the vertical during lowering.

Resumen de: WO2023059203A1

The invention relates to a floating foundation for wind turbine generators and a method for installing a wind turbine generator on top of and performing maintenance on said foundation. The floating foundation includes a tower and two support legs pivotally connected to the tower, forming a tripod-like structure. The floating foundation may include hydrodynamic damping elements and a single point mooring system leaving the foundation free to weathervane. The invention also relates to a method for using the structure as a crane, lowering and raising the turbine platform against and from e.g. a service barge during maintenance or assembly.

Resumen de: US2023105529A1

A sensor system for a floating wind turbine is provided. The sensor system includes a wind sensor configured to provide a wind sensor signal indicative of a wind flow; and a processing unit configured to receive the wind sensor signal and to determine, based on the wind sensor signal, information indicative of a spatial arrangement of a floating base of the floating wind turbine relative to an environment of the floating wind turbine. Furthermore, a corresponding floating wind turbine and method of operating a floating wind turbine are provided.

Resumen de: AU2021340152A1

The invention relates to a floating offshore structure (100, 200, 300, 500, 600, 700), in particular a floating offshore wind turbine (100, 200, 300, 500, 600, 700), comprising at least one floating foundation (104, 204, 304, 504, 604), at least one floating body (106, 206, 306, 506, 606), and at least one anchor assembly (108, 208, 508) designed to secure the offshore structure (100, 200, 300, 500, 600, 700) to an underwater floor (116, 216, 316, 516, 616) in an anchored state of the offshore structure (100, 200, 300, 500, 600, 700), said anchor assembly (108, 208, 508) comprising at least one anchor connection (109, 209, 509) which runs between an anchor (110, 210, 510) and the floating foundation (104, 204, 304, 504, 604), and at least one position stabilizing device (112, 212, 512, 612) designed to change the length of the anchor connection (109, 209, 509) between the anchor (110, 210, 510) and the floating foundation (104, 204, 304, 504, 604) in the anchored state on the basis of at least one position parameter of the offshore structure (100, 200, 300, 500, 600, 700) and at least one target position parameter.

Resumen de: US2023104098A1

The invention relates to a method of installing rotor blades (5) on an offshore wind turbine (2). The method comprises arranging a tower (1) of the wind turbine at an offshore installation site. Then a first end (6) of a tensioner (7) is fastened to at least one of the tower (1), the nacelle (3), and the hub (4) at a distance above sea level. A second end (8) of the tensioner is fastened to a holding device (9,15) floating in the sea at a distance from the tower. Then a pulling force (F) is applied to the tensioner from the holding device at least part of the time while the rotor blades are being mounted to the hub, so that oscillations (M) of the tower due to external forces are dampened during installation of the rotor blades.

Resumen de: US2023108917A1

A wind turbine includes tower, a nacelle mounted at the top of the tower, a rotor mounted rotatable relatively to the nacelle about a rotation axis and includes at least one blade, wherein the blade, when rotating about the rotation axis, is configured to span a swept area, and a control device which is configured to control an actuator so as to move the swept area.

Resumen de: AU2021340834A1

The invention relates to a floating offshore wind turbine (100, 200, 300, 400), comprising at least one floating foundation (104, 204, 304), at least one floating body (106, 206, 30), at least one anchor assembly (108) designed to secure the offshore wind turbine (100, 200, 300/400) to an underwater floor (116, 216, 316) in an anchored state of the offshore wind turbine (100, 200, 300, 400), and at least one height adjustment device (112, 212, 312) designed to change the vertical distance (120, 220, 320) of the floating foundation (104, 204, 304) to the surface (118, 218, 318) of the underwater floor (116, 216, 316) and/or to the water surface (114, 214, 314) in the anchored state on the basis of at least one specified meteorological environmental parameter of the offshore wind turbine (100, 200, 300, 400).

Resumen de: WO2021240449A1

A floating structure (1) provided with a hollow body (10) elongated according to a longitudinal axis (D), which is provided with a first end (12) delimited at the top by a base (121) prearranged to support an operating unit (20)(ET) and delimited, on the side opposite to the first end (12), by a second end (14) prearranged to operate submerged and to support at least two arms (102)(102'); an anchorage means (40) being associated with the hollow body (10) to fix it to the ground (F); the anchorage means (40) comprising a plurality of anchoring members (42)(42') and a connection member (44)(44') arranged between each said anchoring member (42)(42') and said hollow body (10); the connection members (44)(44') having the same longitudinal extension; means (100) for adjusting the distance being arranged between the first end (12) and each anchoring member (42) in order to vary the inclination of the hollow body (10) with respect to the ground (F).

Resumen de: WO2021240089A1

The invention relates to a method and system for tensioning a hyperstatic system (1) comprising two structures connected to each other, the method comprising: a step a) consisting of connecting, by means of at least one non-adjustable tendon (6) and at least one adjustable tendon (8) which is formed by a tendon coupled to a cylinder (8a) in an initially retracted position, an upper structure (2) to a lower structure (4) which is positioned below the upper structure while maintaining zero tension in the tendons; a step b) consisting of applying a force to the upper structure and/or the lower structure in order to tension each adjustable tendon and to deploy the respective cylinder thereof, the tension of each non-adjustable tendon remaining at zero; and a step c) consisting of progressively increasing the force until the tension of each non-adjustable tendon reaches a threshold value which brings about a load transfer from the lower structure to the upper structure so as to allow the lower structure to be supported by the upper structure.

Resumen de: WO2021242119A1

The invention provides an Energy Bridge, comprising at least one buoyancy structure, preferably a plurality of buoyancy structures, and at least one windmill structure, preferably a plurality of windmill structures. The energy bridge is distinguished in that it further comprises a road structure, wherein the road structure preferably comprises a flat elongated horizontal surface of width of at least 2 m or 2,5 m and length equal to the length or longest dimension of the energy bridge, preferably without obstructions along the full length and width of the road structure, one anchoring structure or connection in either end or corner of the energy bridge, wherein the road structure is coupled directly to the buoyancy structures or truss structure coupled to the buoyancy structures, wherein the full weight of the road structure or the weight between said ends or between road structure element ends, is directly supported by the buoyancy structures or truss structure coupled to the buoyancy structures, wherein the windmill structures are coupled directly to the buoyancy structures or truss structure coupled to the buoyancy structures, wherein the full weight of the windmill structures is supported by the buoyancy structures or truss structure coupled to the buoyancy structures.

Resumen de: WO2021242112A1

The invention describes a system for preventing damage to a power cable (5) for electric power transmission to and from and within a floating offshore wind power plant using non-redundant mooring, after failure of a main loadbearing mooring element. The system comprises at least one power cable safety line (13) having the following properties: It is connected to the same two wind turbines (1) as the power cable (5) it is designed to protec. It has an effective length shorter than the power cable it is designed to protect. It has an effective length longer than what is needed to remain largely unstressed when the distance between the floating wind turbines (1) with intact mooring systems is at its maximum. It has a breaking strength being a predetermined fraction of the strength, which the main loadbearing mooring elements (4, 8, 9, 10, 11, 12, 18) are designed for.