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471
resultados
Última actualización
29/10/2026 [07:34:00]
Resumen de: EP4831481A1
Die Erfindung betrifft ein Überwachungssystem (17) und ein Verfahren zur Überwachung eines Zustands eines Rotorblattlagers (14) und/oder Azimutlagers bei einer Windkraftanlage sowie eine Verwendung eines Überwachungssystems, umfassend zumindest einen Sensor (KSM1), welcher an einem ersten Ringelement (15) des Lagers, welches bezüglich eines zweiten Ringelements (16) des Lagers drehbar ist, anordbar ist, wobei mittels des Sensors während einer Drehung des ersten Ringelements bezüglich des zweiten Ringelements Schwingungen in dem Lager erfassbar sind, wobei anhand einer Analyse der erfassten Schwingungen der Zustand des Lagers ermittelbar ist.
Resumen de: WO2025136392A1
A superconducting generator includes an armature assembly and a segmented field winding assembly having a plurality of interconnected field winding modules. Each field winding module includes a vacuum vessel and a plurality of superconducting field coils carried by a coil support structure within the vacuum vessel. The superconducting field coils are in direct thermal contact with a thermal bus network. At least one cryocooler is in direct thermal contact with the thermal bus network. The superconducting field coils are maintained at a cryogenic temperature via direct thermal conduction cooling by the cryocoolers and the thermal bus bar network.
Resumen de: EP4831478A1
The present disclosure relates to methods (100, 200, 500) for mitigating an edgewise vibration in a blade (22) of a rotor (18) of a wind turbine (10) during a vibration event. The wind turbine (10) is not generating electrical power. The method (100. 200, 500) comprises acquiring a signal with a sensor (121) arranged at the blade (22), and determining a magnitude indicative of a vibration of the blade (22) in an edgewise direction based on the acquired signal. The method (100, 200, 500) also comprises detecting the vibration event based on the determined magnitude, and assigning a risk category to the detected vibration event based on the determined magnitude. Moreover, the method (100, 200, 500) comprises executing a vibration mitigation action in the wind turbine (10) based on the assigned risk category. The present disclosure relates also to a wind turbine (10) comprising a control unit configured for implementing such methods (100).
Resumen de: EP4831479A1
0001 An aerostatic wind generator (100) comprises: an aerostatic balloon (1) comprising an enclosure (1a) filled with a gas lighter than air; a plurality of wind turbines (5) with horizontal axis arranged side by side on the aerostatic balloon (1); anchoring means (2) for anchoring the aerostatic ballon (1) to the ground; an adjustment system (4) connected to the aerostatic ballon (1), for adjusting the position of the aerostatic ballon based on wind speed and direction; a connection system (3) connecting the anchoring means (2) to the adjustment system (4); power transmission means (7) for transmitting the electrical energy produced by the wind turbines of the aerostatic generator to a power grid.
Resumen de: EP4607737A1
A method for controlling a wind power plant (1), the wind power plant (1) comprising one or more generator devices (14) and a grid-forming component (5) electrically connected to an output terminal (17) of the one or more generator devices (14), the wind power plant (1) including an electrical grid and/or being electrically connected to an electrical grid (4), and the method comprising:a) determining (S4) a frequency deviation (ΔF) of a current frequency (FC) of the respective electrical grid (4) from a nominal frequency (FN),c) controlling (S7) the power flow in the wind power plant (1) and grid-forming component (5) based on the determined frequency deviation (ΔF) and a droop characteristic (27, 28) of the grid-forming component (5) relating on a current power output (PGC) of the one or more generator devices (14).Thus, frequency regulation of the grid can be improved.
Resumen de: WO2025010027A1
In general terms the present invention proposes a device (100) for harvesting renewable energy. The device (100) comprises a wind turbine (140), a channel (160) for directing wind (198) to the wind turbine (140), and a solar receiver (155) positioned in the channel (160) for receiving sunlight (194) entering the channel (160).
Resumen de: WO2025136363A1
A floating offshore wind turbine includes a buoyant tension leg platform with radially extending braces. A tensioned mooring line and tensioning device is connected to each brace. A control system in communication with the tensioning devices determines determine a wind condition of wind acting on the wind turbine and, based on the wind condition, determines a set length of the mooring lines to induce a pitch offset in the tension leg platform and a lean angle of the tower into the wind The lean angle is computed to generate a gravity moment in the wind turbine that offsets a bending moment induced in the tower from the wind.
Resumen de: GB2636813A
The bottom-fixed offshore wind turbine installation includes a support column 10 landed on the seabed 40 in an upright orientation, resting on or slightly self-embedded into the seabed (e.g. a gravity based or suction caisson based monopile like structure, installed without hammering or deep embedding). The column has buoyancy above its centre of gravity (36) and ballast below its centre of buoyancy (38). Inclined tensioned tethers 42 extend upwardly from the seabed at anchors 44 (e.g. piles) to the column. A wind turbine is supported atop the tethered column. A method and installed system is claimed. The column is towed horizontally, uprighted and held buoyantly above the seabed before being ballasted, landed, optionally further ballasted and then tethered before assembling the turbine on top. Buoyancy and/or ballasting of the column and tensioning of the tethers can be adjusted to control interaction with the seabed soil e.g. by using water ballast 30 and/or solid ballast 30A in a single or multiple ballast tanks 34 within the column. Buoyancy and ballasting cooperate similarly to a spar buoy to prevent the installation capsizing in the event of mooring failure.
Resumen de: WO2025131277A1
The present disclosure relates to wind turbines (10) and methods (100) for operating wind turbines (10). A method (100) for operating a wind turbine (10) comprises determining (140) a voltage below a predetermined level between the power converter (104) and the main transformer (105); and in response to determining (140) the voltage below the predetermined level, an auxiliary energy source (84) may supply power to one or more of the auxiliary components (108, 109). The auxiliary transformer (106) may be de-energized (160) and the auxiliary transformer (107) may be changed (170) to a different transformer ratio and then power may be delivered (180) to the auxiliary components (108, 109) using the auxiliary transformer (107) with the changed transformer ratio. Suitable control systems (36) and wind turbines (10) are disclosed as well.
Resumen de: WO2025131198A1
The present invention relates to a control of a wind turbine during special grid operation. The wind turbine comprises a damping system that can reduce vibrational movement of a component of the wind turbine. The damping system is dependent on at least one preset damping control parameter. Upon obtaining a requirement for special grid operation the preset damping control parameter is modified and vibrational movement of the component is monitored. Upon determining a requirement to damp the vibrational movement of the component, the damping system is actuated using the modified control parameter.
Resumen de: WO2025131207A1
In a first aspect of the present invention there is provided a wind turbine blade spar cap. The spar cap has an upper spar cap surface, a lower spar cap surface, and a spar cap thickness defined between the upper and lower spar cap surfaces. The spar cap has a middle portion throughout which the spar cap thickness is substantially constant, and a tapered end portion in which the spar cap thickness decreases towards an end of the spar cap. The spar cap comprises a plurality of pultrusion layers arranged in a stack. Each pultrusion layer has an upper pultrusion layer surface, a lower pultrusion layer surface, and a layer thickness defined between the respective upper and lower pultrusion layer surfaces. The stack comprises a first substack comprising a plurality of pultrusion layers and a second substack comprising a plurality of pultrusion layers. The stack further comprises an intermediate pultrusion layer comprising a tapered end section in which the layer thickness of the intermediate pultrusion layer decreases towards the end of the spar cap. The tapered end section is located in the tapered end portion of the spar cap. The intermediate pultrusion layer is sandwiched between the first and second substacks such that, in the tapered end portion of the spar cap, the tapered end section of the intermediate pultrusion layer is sandwiched between a plurality of pultrusion layers of the first substack and a plurality of pultrusion layers of the second substack.
Resumen de: WO2025131206A1
In a first aspect of the present invention there is provided a wind turbine blade spar cap. The spar cap has an upper spar cap surface, a lower spar cap surface, and a spar cap thickness defined between the upper and lower spar cap surfaces. The spar cap also has a middle portion throughout which the spar cap thickness is substantially constant, and a tapered end portion in which the spar cap thickness decreases towards an end of the spar cap. The spar cap comprises a plurality of pultrusion layers arranged in a stack, each pultrusion layer having an upper pultrusion layer surface, a lower pultrusion layer surface, and a layer thickness defined between the respective upper and lower pultrusion layer surfaces. The layer thickness of each pultrusion layer in the stack is substantially the same throughout the middle portion of the spar cap. The stack comprises an upper pultrusion layer defining at least part of the upper spar cap surface, a lower pultrusion layer defining at least part of the lower spar cap surface, and an intermediate pultrusion layer arranged between the upper and lower pultrusion layers. The intermediate pultrusion layer comprises a tapered end section in which the layer thickness of the intermediate pultrusion layer decreases towards the end of the spar cap. The tapered end section is located in the tapered end portion of the spar cap. The tapered end section comprises a non-uniform rate of taper, and the tapered end section is sandwiched between at least tw
Resumen de: WO2025131215A1
A first aspect of the invention provides a wind turbine blade comprising an inboard wind turbine blade portion and an outboard wind turbine blade portion for joining together by a joint, each of the inboard and outboard wind turbine blade portions having an end with an aerofoil profile, the end of each of the respective wind turbine blade portions having a plurality of inserts embedded therein, each insert comprising an end portion having a connection for coupling the insert to another of the inserts across the joint and an extension portion which extends away from the end portion to an insert tip, each connection having a connection centre, wherein the plurality of inserts are sandwiched between fibre reinforced composite layers forming a shell of the wind turbine blade, the shell having a shell thickness between inner and outer surfaces of the shell, wherein a shell half thickness value is defined as half of the shell thickness just beyond a respective insert tip in a direction away from the joint, wherein at least one of the inserts has its connection centre located a first distance from a neutral axis of the blade, and the shell half thickness is located a second distance from the neutral axis, where the first distance is at least the second distance.
Resumen de: WO2025131201A1
The invention relates to determining rotor azimuth angle of a wind turbine. A rotor speed of the wind turbine is obtained, a gain is applied thereto to obtain a gain-adjusted rotor speed signal, and a rotor speed integrator is applied to the gain-adjusted rotor speed signal to determine rotor azimuth angle. The invention involves receiving an acceleration sensor signal, from an acceleration sensor located in a rotor hub of the wind turbine, indicative of gravitational acceleration of the rotor hub relative to a rotation axis of the rotor hub, and determining a reference rotor azimuth angle based on the received acceleration sensor signal. The invention involves determining an azimuth angle error between the reference rotor azimuth angle and the rotor azimuth angle determined by the rotor speed integrator, and determining the gain to be applied to the obtained rotor speed signal based on the determined azimuth angle error.
Resumen de: WO2025131208A1
A wind turbine blade comprising: a first blade portion having a shell that defines a suction side, a pressure side, a leading edge, a trailing edge, and a first spar cap portion, the first blade portion further including a first blade portion end surface at one end of the first blade portion; a second blade portion having a shell that defines a suction side, a pressure side, a leading edge, a trailing edge, and a second spar cap portion, the second blade portion further including a second blade portion end surface at one end of the second blade portion, wherein the first blade portion and the second blade portion are configured to be coupled together at the first and second blade portion end surfaces; a connection joint for coupling the first and second blade portions together, wherein the connection joint includes a connector for connecting to the first blade portion end surface and to the second blade portion end surface, the connector including electrically conductive material; and a lightning protection system including a down conductor portion in each of the first and second blade portions, wherein there is a gap between the connector and at least one of the down conductor portions, the lightning protection system further comprising an electrical cable electrically bonding the connector to the at least one down conductor portion across the gap.
Resumen de: WO2025131318A1
The present disclosure is related to methods (100, 200) for determining an aerodynamic imbalance in a wind turbine rotor (18). A method (100) comprises determining (110) a fore-aft oscillation of the wind turbine (10), determining (120) an azimuth angle of a blade (22) of the wind turbine (10), and based on the fore-aft oscillation and based on the azimuth angle, determining (130) a magnitude of the aerodynamic imbalance and determining a location of the aerodynamic imbalance. A controller (36) suitable for carrying out such methods (100, 200) and a wind turbine (10) comprising such a controller (36) are also provided.
Resumen de: WO2025131200A1
The invention relates to determining rotor azimuth angle of a wind turbine. The invention involves obtaining a rotor speed signal indicative of rotor speed of the wind turbine. The rotor speed signal is for input into a rotor speed integrator. The invention involves receiving an acceleration sensor signal, from an acceleration sensor located in a rotor hub of the wind turbine, indicative of gravitational acceleration of the rotor hub relative to a rotation axis of the rotor hub. The invention involves determining a reference rotor azimuth angle based on the received acceleration sensor signal, and generating a reset pulse signal based on the determined reference rotor azimuth angle. Upon receiving the generated reset pulse signal at the rotor speed integrator, the integrator is reset. The invention involves using the reset rotor speed integrator to determine wind turbine rotor azimuth angle based on the obtained rotor speed signal.
Resumen de: WO2025132599A1
The invention relates to a wind turbine (10) having a housing (12) and having an arrangement of two rotors (16, 17), which are mounted rotatably in opposite directions about vertical rotor axes (14, 15) in the housing (12) and each have a plurality of rotor blades (18), wherein the rotor axes (14, 15) lie in one plane (24), wherein the housing (12) in each case has a vertical air-guiding element (34, 35) in the outer regions (32, 33) on both sides of the arrangement of the rotors (16, 17), wherein the housing (12) has a vertical wind divider (40) in the central region (30) and on the approach flow side upstream of the arrangement of the rotors (16, 17), the vertical wind divider (40) being configured and arranged relative to the vertical rotor axes (14, 15) in such a way that the flow approaches the two rotors (16, 17) in the outer regions (32, 33), and the vertical wind divider (40) projecting on both sides into the outer regions (32, 33).
Resumen de: EP4831480A1
0001 The invention relates to a method for assembling and automatically lifting a wind turbine tower, characterised in that different ferrules (3) composed of wedges (4) are formed in situ using robotised elements (10) that travel along circular guides (9). Welding, inspection and painting elements are simultaneously applied to the inside and outside of the ferrule (3), and work is done at two heights by replicating the circular guides (9) and raising same by means of vertical columns (16). As the ferrules (3) are formed, they arc raised by a triangle (6) that travels between columns (5) of the automatic lifting system. Subsequently, by horizontally welding ferrules (3) together, a tower section (2) is formed. The method is applied to tubular towers and frustoconical towers that are 6-8 m in diameter and at least 200 m high.
Resumen de: WO2025131211A1
The present disclosure relates to a method of manufacturing at least a part of a shell of a wind turbine blade The method comprising the steps of: impregnating fabrics of fibres with a curable matrix to provide a plurality of pre-pregs, the plurality of pre-pregs comprising at least a first pre-preg and a second pre-preg; providing a shell mould having a shell layup area; placing the first pre-preg at the shell layup area; locally applying heat to the first pre- preg and/or to the second pre-preg; compressing the second pre-preg onto the first pre-preg at the shell layup area to consolidate the first pre-preg and the second pre-preg such that the first pre-preg and the second pre-preg form a skin laminate; cooling the first pre-preg and/or the second pre-preg of the skin laminate; and heating the shell mould to cure the curable matrix of the pre-pregs of the skin laminate.
Resumen de: WO2025131205A1
An applicator tool (42) for repairing damage (26) to a leading edge (22) of a wind turbine blade (20) is disclosed The applicator tool (42) includes a tool frame (70) and an outer spatula (76) operatively supported by the tool frame (70). The outer spatula (76) is configured to engage with an exterior surface (34) of the wind turbine blade (20) to form a gap (86) between the leading edge (22) of the wind turbine blade (20) and the outer spatula (76). A feed tube (94) of the applicator tool (42) is supported by the tool frame (70) to supply a coating material to the gap (86) and an applicator nozzle (88) of the applicator tool (42) that is located within the gap (86). The applicator nozzle (88) is operatively connected to the feed tube (94) and includes an applicator head (156) that is configured to distribute the coating material onto the wind turbine blade (20). The applicator head (156) includes at least three passageways (176-180) that define at least three distinct flows of coating material from the applicator nozzle (88). The applicator head (156) is curved along a transverse axis (A3) that is perpendicular to a longitudinal axis (A2) of the applicator nozzle (88) to generally conform the applicator head (156) to a curved contour of the leading edge (22) of the wind turbine blade (20). (Figure 5)
Resumen de: WO2025131199A1
The present disclosure relates to a lightning current transfer system for a wind turbine. The lightning current transfer system comprises a contact device having a mounting part, an elastic non-conducting arm having a first end attached to the mounting part and a second end to which a contact part is attached. The arm has a length extending between the first end and the second end and a width which tapers from the first end towards the second end. It has been found that by tapering the width of the arm between the first and second end, the stress distribution across the arm can be improved.
Resumen de: WO2025131196A1
A method (200) and a control arrangement (150) for controlling a renewable power plant (100) comprising one or more renewable electric power generating units (103) and one or more gas-to-power units (140) are presented. The renewable power plant (100) is connected to an electric power grid (116) and to a gas transmission network (126). The method (200) comprises: determining (210) one or more parameters of the electric power grid (116); based on the one or more determined parameters of the electric power grid (116), controlling (220) the one or more gas-to-power units (140) to convert gas from the gas transmission network (126) to electric power; and based on the one or more determined parameters of the electric power grid (116), controlling (230) the renewable power plant (100) to introduce, in addition to electric power provided by the one or more renewable electric power generating units (103), at least a portion of the converted electric power into the electric power grid (116) so as to improve a stability of the electric power grid (116).
Resumen de: WO2025131209A1
Improvements relating to the manufacture of wind turbine blades A method of making a wind turbine blade component is described. The method comprises: providing a rigid mould (20) shaped to form the wind turbine blade component; arranging fibrous reinforcing material (36) in the mould; covering the fibrous reinforcing material with a vacuum bag (14); sealing the vacuum bag against a surface (12) of the mould or against another surface to create a closed space (18) between the mould and the vacuum bag in which the fibrous reinforcing material is encapsulated; removing air from the closed space to create a negative pressure within the closed space; supplying resin to the fibrous reinforcing material; and curing the resin. The method further comprises providing a sealed bag (10) in the closed space. The sealed bag is at least partially filled with a gas. The pressure inside the sealed bag is greater than the pressure within the closed space outside the sealed bag. The sealed bag shapes and/or supports a portion of the fibrous reinforcing material during the moulding process.
Nº publicación: EP4830111A1 28/10/2026
Solicitante:
VESTAS WIND SYS AS [DK]
VESTAS WIND SYSTEMS A/S
Resumen de: WO2025131195A1
A method (200) for controlling a renewable power plant (100) comprising one or more renewable electric power generating units (103) and one or more power-to-gas units (120), the renewable power plant (100) being connected to a gas transmission network (126), is presented. The method (200) comprises: determining (210) one or more parameters of the gas transmission network (126); based on the one or more determined parameters of the gas transmission network (126), controlling (220) the one or more power-to-gas units (120) to convert electric power at least partly provided by the one or more renewable electric power generating units (103) to gas; and based on the one or more determined parameters of the gas transmission network (126), controlling (230) the renewable power plant (100) to introduce at least a portion of the converted gas into the gas transmission network (126) so as to improve a stability of the gas transmission network (126).
BOPI
Sede Electrónica
