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548
resultados
Última actualización
21/06/2025 [08:20:00]
Resultados 100 a 125 de 548
Resumen de: US2025196974A1
Systems and methods for utilizing nuclear-based marine craft to generate electricity for external or grid usage are disclosed. In accordance with some embodiments, the system may include a nuclear-based marine craft having a propeller shaft and an electrical generator coupled external to the marine craft and configured to transmit generated electricity. In accordance with some other embodiments, the system may include a nuclear-based marine craft having a nuclear reactor and a turbine, a dock or barge having its own turbine and electrical generator, a steam outlet pipe connecting the nuclear reactor to the dock or barge turbine, and a steam inlet pipe connecting the dock or barge turbine back to the nuclear reactor, whereby heated steam from the nuclear reactor spins the dock or barge turbine, which then powers the electrical generator on the dock or barge to generates electricity.
Resumen de: US2025196975A1
A support system includes a platform for floatation at a surface of a body of water. The platform includes a first pontoon and a set of second pontoons coupled to the first pontoon. Each second pontoon includes a container, a pair of spaced-apart and gas-filled compressible elements disposed in the container, a liquid filling the container between the pair of compressible elements, and a gas flow controller coupled to each compressible element and operable to control a flow of the gas between the compressible elements.
Resumen de: US2025198390A1
A deterioration detection system according to the present disclosure includes an optical fiber (10) that is laid along a wind turbine (30) for power generation; a communication unit (21) configured to transmit pulsed light to the optical fiber (10) and receive an optical signal including information indicating vibration of the wind turbine from the optical fiber (10); and a detection unit (22) configured to detect deterioration of the wind turbine (30) on the basis of the information indicating the vibration of the wind turbine (30), the information being included in the optical signal.
Resumen de: US2025202321A1
According to an embodiment, the system for a wind turbine includes a first component and a second component. The first component and the second component are arranged rotatable relative to each other with the help of a bearing. The system further includes a first electrical device coupled to the first component and a second electrical device coupled to the second component. Moreover, the system includes an electrical connection between the first electrical device and the second electrical device as well as a filter element coupled to the electrical connection. The filter element is configured to at least partially attenuate high-frequency electrical signals in the electrical connection.
Resumen de: US2025196978A1
The intervention platform comprises at least a wind turbine equipment lifting tower, having at least a lifting unit comprising: a mast, a wind turbine equipment elevator configured to vertically move along the mast between a lower loading/unloading position and at least an upper intervention position and a lifting actuator, configured to move the wind turbine equipment elevator between the lower unloading/loading position and the upper intervention position. The lifting unit comprises at least a position compensation device configured to be activated in the loading/unloading position and/or in the intervention position to compensate local vertical displacements between the intervention platform and the wind turbine platform when the intervention platform is docked to the wind turbine platform.
Resumen de: US2025198454A1
A bearing arrangement for a rotating component of a wind turbine includes a first roller bearing, a second roller bearing and a rotating component defining a rotational axis. The rotating component is supported by the first roller bearing and the second roller bearing, and a stationary component supports the first roller bearing and the second roller bearing. A pretensioning device is configured such that, upon actuation, the pretensioning device causes a resulting force onto a first bearing inner ring or a first bearing outer ring to adjust the pretension of the bearing arrangement, wherein the resulting force is unevenly distributed over a circumference of the first roller bearing with respect to the rotational axis.
Resumen de: US2025198384A1
An embodiment vertiport includes a body portion, a take-off and landing portion disposed in the body portion and spaced apart from the body portion by a predetermined gap, a door portion disposed in the gap between the take-off and landing portion and the body portion and configured to be opened and closed, an elevation portion disposed in the body portion and configured to be raised and lowered with respect to the body portion, and a power generating unit slidably coupled to the elevation portion, wherein the power generating unit is configured to produce electrical energy using a downdraft generated by a take-off and landing operation of an aircraft on the take-off and landing portion.
Resumen de: US2025198392A1
The present invention relates to a wind turbine blade having a lightning protection system. The blade includes a pressure side shell part and a suction side shell part. The pressure side shell part or the suction side shell part comprises a blade component extending along a longitudinal axis of the blade and comprising one or more carbon fibre structures. The blade component is at least partially embedded in the shell part. An elongate metallic element is arranged in direct contact with the blade component, and at least part of the elongate metallic element is positioned between the blade component and an outer surface of the shell part. A lightning receptor is arranged in electrical contact with the elongate metallic element and extends to or near an outer surface of the blade shell part. The lightning receptor does not extend through the blade component.
Resumen de: US2025198387A1
The invention relates to a wind turbine comprising: a nacelle provided on the top of a tower, a rotor including a hub and a number of blades, a main shaft configured to be driven by the rotor about a main axis and supported on the nacelle, a generator having a generator rotor and generator stator, and a gear system arranged to increase the rotational speed between said rotor and said generator rotor. The gear system comprises: a fixed ring gear, an input member coupled to or driven by the main shaft having a plurality of radially movable tooth segments carried in guiding slots and engageable at outer ends with the ring gear, a central output member within the input member having an outer eccentric profile acted on and driven by inner ends of radially movable tooth segments, whereby rotary movement of the input member drives the radially movable tooth segments through engagement with the ring gear and effects rotation of the central output member.
Resumen de: US2025198393A1
A wind turbine arrangement, that includes an inflatable component disposed within a hollow section of a wind turbine blade. The inflatable component is a platform usable during service and/or installation of a wind turbine module. The inflatable component includes an inflation structure with an air-tight shell. The air-tight shell includes an inner shell and an outer shell surrounding the inner shell. The outer shell includes a material that protects against puncture of the inner shell.
Resumen de: US2025196277A1
Tightening device for tightening a series of nuts pre-screwed on bolts, which bolts are arranged in a linear or in a curved flange connection, wherein each nut comprises a top surface located at one end of the nut, wherein the top surfaces are arranged in a nut plane of the flange connection, and wherein the tightening device comprises a propulsion unit for moving the tightening device along the flange connection, wherein the propulsion unit comprises a continuous drive, wherein in an operating state of the tightening device, the continuous drive is disposed essentially on the nut plane on one or more top surfaces of one or more of the nuts.
Resumen de: US2025198394A1
A bearing for a wind turbine includes a first ring and a second ring. The first ring and the second ring are rotatably arranged relative to each other around a rotational axis. A reference element and a sensor element are applied to the first ring. The sensor is configured to detect a geometrical change of the reference element.
Resumen de: WO2025125175A1
An assembly (10) for producing offshore electricity comprising: - a wind turbine (12), - an elongated support (14) extending along an axis (Z) intended to be vertical, and adapted for floating on a body of water (16), - a buoyant system (18) surrounding a tubular casing (20) of the support around the axis, intended for floating in the body of water, and vertically free with respect to the support, - a plurality of anchoring members (24), - a first plurality of connecting members (26) connected to an anchoring portion (28) of the support and to at least some of the anchoring members, the first plurality of connecting members (26) being intended to be tensioned by the support, - a second plurality of connecting members (30) connected to the buoyant system and to at least some of the anchoring members, the second plurality of connecting members being intended to be tensioned by the buoyant system.
Resumen de: WO2025124791A1
The invention relates to an offshore electrolysis system (100) comprising a wind turbine (1) having a tower (19), which is anchored to the seabed, and having an electrolysis plant (5), wherein the electrolysis plant (5) is connected to the wind turbine (1) by a supply line (11), and wherein the electrolysis plant (5) has an electrolyser (13) which is arranged in a container (9), wherein the container (9) is arranged below sea level (25). The invention also relates to a method for operating a corresponding offshore electrolysis system. In this method, water is broken down into hydrogen (H2) and oxygen by an electrolyser (13) of the electrolysis plant (5), which electrolyser is located below sea level (25), wherein the hydrogen (H2) produced is transported away via a product gas line (7).
Resumen de: WO2025127951A1
The present invention relates to offshore platform structures. It is directed to a platform (1) for supporting marine activities with wave energy conversion systems configured to generate energy from ocean waves. It provides a solution to the low power generation level of wave energy conversion systems and the limited use of offshore platforms in relation to other offshore activities, particularly offshore wind energy generation, while keeping the loads from wind capture within safety limits. The invention consists of a platform capable of converting significant amounts of wave energy into electricity under different sea conditions while also supporting a variety of other marine activities. A possible embodiment of the platform comprises five wave energy conversion systems (100) equipped with systems for converting pneumatic energy into electrical energy (101), a surface (300) adapted to support offshore activities, a payload (400) consisting of a wind turbine, and anchoring or mooring systems (500).
Resumen de: WO2025124726A1
The present disclosure relates to wind turbines (10) and methods (100) for operating wind turbines (10). A wind turbine (10) comprises a power converter (104), a main transformer (105), an auxiliary transformer (107), one or more auxiliary systems (108) and a plurality of power cables (109). The power cables (109) are connected to an output side of the main transformer (105). The power converter (104) is configured to operate with a pulse pattern for switching the switches of a line-side converter of the power converter (104) during island mode different than a pulse pattern to be used during normal operation of the wind turbine (10), the pulse pattern to be used during island mode being configured to avoid electrical resonance in the wind turbine (10).
Resumen de: WO2025125794A1
Tip structure for a wind turbine blade A wind turbine blade (110) is provided with a bifurcated tip structure (10) comprising a pair of oppositely directed winglets (30, 40). In one aspect, each winglet (30, 40) has an endplate (230, 240) at its distal end. Optionally, each endplate (230, 240) can be made from metal to form a lightning receptor. In another aspect, each winglet (30, 40) is made from metal to form a lightning receptor. In another aspect, each winglet (30, 40) includes a lightning receptor (230, 240) at its distal end, and both lightning receptors (230, 240) are connected to the lightning conductor (113) of the blade (110) via a serrated metal blade tip connector (150) that forms a trailing edge serration of the blade (110). Optionally, both lightning receptors (230, 240) can be connected to the blade tip connector (150) via a serrated metal lightning receptor connector (151) that forms a trailing edge serration of the winglets (30, 40).
Resumen de: WO2025127925A1
The invention relates to a method of operating a wind turbine. The wind turbine (1) comprises a rotor (4) comprising at least one blade (2) with an adjustable pitch angle (β). The method comprises adjusting the rotor speed (Ω) of the rotor (4) and/or the pitch angle (β) along a transonic safe trajectory. The transonic safe trajectory is based on an operational map comprising transonic flow risk information. The transonic flow risk information provides an indication of the risk of transonic air flows occurring around at least one blade (2) for a plurality of combinations of rotor speed (Ω) and pitch angle (β).
Resumen de: WO2025127929A1
Method for forming a section for a floating body for an offshore floating foundation, comprising providing a metal sheet having a sheet length direction and a sheet width direction, and bending said sheet, such that the sheet is curved in the sheet length direction, forming a concave side. Furthermore a stiffener is formed, having a stiffener length direction, wherein the stiffener is curved in said stiffener length direction, forming a convex side. Said curved stiffener is placed with the convex side against the concave side of the sheet and is pushed against the concave side of the sheet, such that a curvature of the concave side of the sheet matches a curvature of the convex side of the stiffener at least at the position where the stiffener is placed. Then the stiffener is welded against the sheet.
Resumen de: WO2025125463A1
The present invention concerns a control method for controlling a wind farm (10) comprising a plurality of wind turbines (15i). The control method comprises a receiving, for successive time instants, estimated general wind velocities and estimated wind directions of wind (W), on the wind farm. The control method comprises determining, for an initial time instant, rotation commands by solving an optimization problem. The optimization problem aims at maximizing a power quantity representative of power generated by the wind farm, which comprises a first component and a second component, The first component depends on a local wind velocity at the contact of each wind turbine at an initial time instant. The second component depends on a set of calculated rotation commands for the wind turbines to rotate toward the estimated wind directions for each further time instant. The control method comprises sending the determined rotation command to each respective wind turbine.
Resumen de: WO2025125411A1
A control method for controlling a wind turbine, related control system and set of computer program(s) The present invention concerns a control method for controlling a wind turbine (15), the method comprising forming a control model of the wind turbine. The control model is configured to actively damp a tower pitch inclination (Ø) by calculating, from a measurement of a tower pitch speed, a value of each controllable blade pitch angle to provide to a blade actuator (60). The control model comprises, for each blade, a compensation gain calculated based on a predetermined formula and representative of a wind turbine dynamic. Each compensation gain is configured to determine the corresponding controllable blade pitch angle. The control method comprises receiving, at a time instant, a measurement of the tower pitch speed. The control method comprises calculating a value of each controllable blade pitch angle based on the control model, and transmitting to the wind turbine, a control's command comprising the calculated value of each controllable blade pitch angle.
Resumen de: US2025198063A1
Herein is described a functionalized fabric comprising a fiber fabric, and binder comprising, consisting of, or consisting essentially of a fluorescent material.
Resumen de: EP4571100A1
A system and method operate a wind farm having a plurality of wind turbines, and include determining a wind direction of a wind affecting the wind farm. Based on the wind direction, at least one upwind turbine is identified that produces a wake effect on one or more downwind wind turbines, the upwind wind turbine and affected downwind wind turbines defining a cluster. Based on a current yaw position of the upwind turbine and the wind direction, a yaw steer is determined for the upwind turbine to reduce the wake effect on the downstream wind turbines in the cluster. The yaw steer is based on increasing a net energy gain from the cluster, the net energy gain determined by subtracting an energy cost of the yaw steer from an increased energy production of the cluster resulting from the yaw steer. The upwind wind turbine is controlled to change yaw position in accordance with the yaw steer when the net energy gain satisfies a minimum threshold level.
Resumen de: EP4571101A1
A method for tracking a gear tooth meshing angle of a gearbox (3) of a wind turbine is disclosed. An initial reference virtual gear tooth meshing angle of the gearbox (3) is selected, and an angular position of a high speed shaft (6) and/or a low speed shaft (4) of the gearbox (3) is monitored. A virtual gear tooth meshing angle relative to the reference virtual gear tooth meshing angle is estimated, based on the monitored angular position of the high speed shaft (6) and/or the low speed shaft (4) and on information regarding topology of the gearbox (3). A number of full rotations of the high speed shaft (6) and/or the low speed shaft (4) which corresponds to an integer number of full periods of gear meshing of the gearbox (3) is calculated, and the reference virtual gear tooth meshing angle is reset each time the high speed shaft (6) and/or the low speed shaft (4) has performed the calculated number of full rotations. The estimated virtual gear tooth meshing angle is applied to a periodic noise signal of the wind turbine.
Nº publicación: EP4571105A1 18/06/2025
Solicitante:
BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO LTD [CN]
Beijing Goldwind Science & Creation Windpower Equipment Co. Ltd
Resumen de: EP4571105A1
A clearance abnormality detection method for a wind turbine generator set. The method comprises: acquiring, from operation data of a generator set within a predetermined period of time, operation data of when an air speed is within a predetermined air speed range and a power is within a predetermined power range, and dividing the operation data into a plurality of operation data fragments; with regard to each operation data fragment, when a first specified clearance value therein is less than a first preset value and the operation data fragment meets a preset condition, determining the operation data fragment to be a clearance-abnormal fragment; and determining a clearance abnormality of the generator set according to the clearance-abnormal fragment. Further comprised are a clearance abnormality detection apparatus for a wind turbine generator set, and a medium, a system and a wind turbine generator set. The method can effectively solve the problem of it being impossible to predict a clearance risk of a wind turbine generator set in advance.
BOPI
Sede Electrónica
