Resumen de: DE102024115746A1
Eine Wälzlageranordnung (1), insbesondere in einer Windkraftanlage, umfasst einen Lagerring (5), ein Umgebungsbauteil (2, 3), sowie eine den Lagerring (5) vom Umgebungsbauteil (2, 3) trennende, elektrisch isolierende Pulverlackschicht (7), welche eine Dicke (d7) von mindestens 0,05 ‰ und höchstens 2 ‰ des Fugendurchmessers (Di) aufweist, wobei der Fugendurchmesser (Di) an der Kontaktfläche zwischen der Pulverlackschicht (7) und einer Umfangsfläche eines metallischen Grundkörpers des Lagerrings (5) zu messen ist und die elektrisch isolierenden Pulverlackschicht (7) auf dem Umgebungsbauteil aufgebracht ist.
Resumen de: DE102025118372A1
Die Erfindung betrifft eine Lageranordnung (1) für eine Rotorwelle (2) einer Windenergieanlage (3), aufweisend zumindest die folgenden Komponenten:- zumindest ein Rotationslager (4) zum um eine Rotorachse (5) rotierbaren Lagern einer Rotorwelle (2);- ein Lagergehäuse (6) zum Aufnehmen des Rotationslagers (4);- einen Grundrahmen (7) zum Aufnehmen des Lagergehäuses (6). Die Lageranordnung (1) ist vor allem dadurch gekennzeichnet, dass das Lagergehäuse (6) gegenüber dem Grundrahmen (7) mittels einer Kipplageranordnung (8) gelagert ist.Mit der hier vorgeschlagenen Lageranordnung ist eine funktional sichere und kostengünstige Kipplagerung erzielbar.
Resumen de: EP4660451A1
A system for storing energy and producing electricity, comprising:- a wind turbine (1),- a hydraulic pump (2), connected mechanically with the turbine (1), so that the turbine (1) can power the pump (2),- a hydraulic engine (7),- an assembly of hydraulic hoses, that connects the hydraulic pump (2) with the hydraulic engine (7), forming a closed loop,- a compressor assembly (8), mechanically connected to the hydraulic engine (7), so that the engine (7) can power the compressor assembly (8),- a compressed gas storage assembly (10), comprising pressurized air tanks along with pressurized air conduits and valves, having a charging side and discharging side,- a depressurizing assembly (11), connected with the discharging side of the compressed gas storage assembly (10),- a pneumatic engine (13), connected to the depressurizing assembly (11),- a main electric generator (14), mechanically connected to and powered by the pneumatic engine (13),wherein the system further comprises a feedback line, connecting the pneumatic engine (13) back to the compressor assembly (8).
Resumen de: WO2024178154A1
A seal includes an annular body including an outer circumferential surface, an inner circumferential surface that defines a centra! opening about a seal axis, an inner axial face, and an outer axial face. The seal also includes at least one continuous, uninterrupted,. flexible helically extending sealing lip with an inner edge that can be axially offset in a first axial direction relative to the outer edge of the helically extending sealing lip. The seal can also include an optional circular lip. The seal can include a pressure relief valve. The seal can be split and can include a seal retainer located in a seal retainer slot to retain first and second split faces abutted. The seal can be installed in a housing of a wind turbine with shaft of the wind turbine extending through the central opening such that the sealing lip engages with an outer surface of the shaft.
Resumen de: EP4661282A1
A method of controlling the operation of a rotor side converter (121) of a power generating system (100) of a wind turbine in a grid forming mode is provided. The power generating system (100) comprises a doubly fed induction generator, DFIG, (110) wherein the rotor side converter (121) is coupled to a rotor (112) of the DFIG (110) to control currents in the rotor of the DFIG. The method comprises obtaining a control reference (V<sub>ref</sub>, Q<sub>ref</sub>) for providing voltage control during operation in the grid forming mode, generating, from the control reference (V<sub>ref</sub>, Q<sub>ref</sub>) , a reference for a magnetizing voltage (e<sub>ref</sub>) of the DFIG (110), receiving a feedback signal indicative of stator voltage (v<sub>s</sub>) of a stator (111) of the DFIG (100), generating a rotor current reference signal (i<sub>r,ref</sub>) for a rotor current of the rotor (112) of the DFIG from the magnetizing voltage reference (e<sub>ref</sub>) and the stator voltage feedback signal, and controlling the rotor side converter (121) in accordance with the rotor current reference signal (i<sub>r,ref</sub>).
Resumen de: CN120569291A
The invention provides a method for evaluating the composition of a composite structure. The composite structure comprises a plurality of layers of fibrous material embedded in a thermoset epoxy resin matrix having a cross-linked network structure. The method includes exposing the composite structure to a treatment fluid to at least partially degrade the thermoset epoxy resin matrix. The treatment fluid comprises formic acid and/or acetic acid. The method further includes temporarily constraining the composite structure during exposure to the treatment fluid to maintain the order and/or orientation and/or number of layers of fibrous material. Further, the method includes separating the one or more layers of fibrous material from the one or more other layers of fibrous material, thereby evaluating the composition of the composite structure.
Resumen de: CN120712232A
A method for controlling the position of a blade lift yoke (1) of a rotor blade (2) of a wind turbine is disclosed. The blade lift yoke used comprises a yoke unit (6) and a suspension unit (7) connected to a crane (41) at a crane attachment point (P). The yoke unit comprises a base section (61) and a holding device (61) comprising a lower clamping member (64) and an upper clamping member (65). The suspension unit comprises a plurality of actuators (71, 72, 73, 74) each attached to the yoke unit at a yoke attachment point (70) and extending from said yoke attachment point towards the crane attachment point such that these actuators are angled relative to each other. The first actuator (71), the second actuator (72), and the third actuator (73) are individually controlled by a control unit, thereby changing the length of at least one of the first actuator, the second actuator, and the third actuator, and moving the position of the lower clamping member relative to the crane attachment point.
Resumen de: CN120641655A
In a first aspect, a wind turbine blade inspection system for detecting defects in a wind turbine blade is provided. A wind turbine blade inspection system includes a directional light source, a diffused light source, an image capture device, and a controller. The controller is configured to analyze an image from the image capture device to detect a defect. In another aspect, a computer-implemented method for detecting defects in a wind turbine blade is provided. In yet another aspect, a computing system is provided that includes a processor configured to perform a method according to any example herein. In yet another aspect, a computing program is provided that includes instructions that, when executed by a processor, cause the processor to perform a method according to any example herein.
Resumen de: CN120530263A
Disclosed is a tip marking device (6) for making a tip end (2) of a wind turbine blade (1) more clearly visible, said tip marking device (6) comprising a sleeve part (7), the sleeve member (7) is made of an elastic material and is configured to be mounted around a tip end (2) of the wind turbine blade (1) such that at least an edge of the sleeve member (7) farthest from the tip end (2) of the wind turbine blade (1) at a first end of the sleeve member fits tightly around an outer surface of the wind turbine blade (1).
Resumen de: CN120615147A
The invention relates to a shaft-hub connection (10) for a planetary gear (2), comprising: an inner hub element (12); an outer hub element (14) drivingly connected to the inner hub element (12) via spline teeth (16) about a main axis of rotation (AR) and surrounding the inner hub element (12) at the outer circumference wherein the inner hub element (12) and the outer hub element (14) bear against each other via a pair of axial contact surfaces (20, 22). The invention also relates to a transmission (2) having a shaft-hub connection (10). The transmission (2) may be used in a drive train (76) of a wind turbine (70). In the aforementioned shaft-hub connection (10), the lubricating oil does not have to work against centrifugal forces to reach the axial contact surface as in a conventional solution for lubricating the axial contact surface.
Resumen de: EP4660450A1
The present disclosure is directed to a method of compensating for rotor imbalance of a wind turbine. The method includes receiving, via a processor of a controller of the wind turbine, a signal associated with an acceleration of a tower and a signal associated with a position of a rotor. The method also includes estimating a rotor imbalance based on the signal associated with the acceleration of the tower. The method also includes estimating, via an adaptive filter algorithm, components of the rotor imbalance relative to the rotor position. The method also includes calculating a respective pitch angle offset for the rotor blades of the wind turbine based on the estimated components of the rotor imbalance. The method also includes adjusting a pitch angle of each of the rotor blades by the respective pitch angle offset, thereby reducing first excitation magnitude disturbances on the acceleration of the tower.
Resumen de: EP4661225A1
Hang-off assembly (200) for power cable (100) comprising at least one cable core (110) and at least one protecting layer (120, 160) radially external to the at least one cable core (110), the hang-off system (200) comprising:- a frusto-conical tube (210) configured to be arranged around a length of the power cable where the at least one cores are exposed, the frusto-conical tube (210) being made of two half-shells (211, 212) coupled to each other and defining a first opening (213) and a second opening (214) opposite to the each other wherein the first opening (213) is circumferentially smaller than the second opening (214);- a self-curing resin to be poured and cured between the frusto-conical tube (210) and the at least one cable core (110) of the power cable (100), adapted to adhere to the at least one cable core (110).
Resumen de: WO2025215424A1
A floating wind turbine platform is disclosed. The floating wind turbine platform may include a floatable structure that is deployable to a body of water and includes a plurality of semisubmersible columns. The semisubmersible columns may be interconnected. Each semisubmersible column can define an internal ballast volume. An intake port in each semisubmersible column can place the internal ballast volume of the semisubmersible column into fluid communication with the body of water. A ballast control system may be provided to balance the floatable structure upon a detected inclination thereof. Balancing of the floatable structure may be accomplished by selectively controlling a transfer of water from the body of water to the internal ballast volume of at least one of the semisubmersible columns, and/or by selectively controlling a transfer of water from the internal ballast volume of at least one of the semisubmersible columns to the body of water.
Resumen de: EP4660449A1
It is described a method of preparing for mounting a rotor blade (8) to a hub (4) of a wind turbine (1), the hub being mechanically coupled to a rotor (5) of a generator (2), the method comprising: controlling the generator (2), in order to turn the hub (4) using torque generated by the generator (2), in particular according to a reference rotational speed; monitoring a quantity (14) indicative of an oscillation of the hub and/or a drive train; processing the quantity (14) in order to derive a strength (16) of the oscillation at at least one frequency; detecting when the strength (16) of the oscillation at at least one frequency exceeds a first, in particular frequency dependent, threshold (44), thereby indicating a critical situation; if the critical situation is indicated: reducing the reference rotational speed (18) for turning the hub (4) by generator produced torque; controlling the generator (2) based on the reduced reference rotational speed (18_1, 18_2,...).
Resumen de: EP4661257A1
It is described a stator (731) or stator segment (100, 200, 300) for a synchronous machine (730), in particular permanent magnet synchronous machine, comprising: plural lamination stacks (704_1, 704_2, 704_n) each extending in a circumferential direction (103) and radial direction (102) and each being composed of sheets stacked in the axial direction (101), the lamination stacks being arranged spaced apart in the axial direction, each lamination stack including a yoke portion (106) and plural tooth portions (107) protruding in the radial direction (102), a slot portion (108) being formed between each pair of adjacent tooth portions (107), wherein the slot portions of the plural lamination stacks are aligned in the circumferential direction such that plural slots (109) extending in the axial direction are formed, wherein axially between at least one, in particular each, pair of adjacent lamination stacks (704_1, 704_2, 704_n) a radially extending cooling fluid duct (405_1,..., 405_n) is formed; stator coils (420, 421) arranged in the plural slots according to a concentrated winding topology such that a first coil portion (110), in particular of a first coil, and a second coil portion (111), in particular of a second coil, are arranged in each slot (109), wherein the first and second coil portions (110, 111) are arranged in at least one, in particular in each, slot such as to provide an inter coil cooling fluid passage (112) circumferentially between the two coil portions (110,
Resumen de: EP4660447A1
The present disclosure relates to methods (40) and assemblies for installing a bushing (50) in a root (16) of a wind turbine blade (10). The present disclosure further relates to methods (40) and assemblies for replacing a bushing of a wind turbine blade (10). A method (40) comprises providing (41) a bushing hole (51); inserting (42) a bushing (50) wrapped in a reinforcement fabric (52) in the hole (51), the bushing (50) being closed at a tip end portion. The method (40) further comprises creating (43) vacuum in the hole (51), infusing (44) the reinforcement fabric (52) with resin, and curing the resin.
Resumen de: EP4660453A1
Embodiments herein describe improved techniques to evaluate and effectively communicate an LPE categorization. An initial LPE categorization may be generated from, for example, SCADA data collected at the wind turbine by a SCADA system. The initial LEP categorization and different categorization predictions from other auxiliary data sources also collected at the wind turbine may be evaluated by an LPE categorization Al system. This LPE categorization Al system is configured with categorization ML models. The LPE categorization system outputs a final LPE categorization which may differ from the initial LPE categorization.
Resumen de: EP4660452A1
A method for installing a floating offshore wind generator using a semi-submersible crane vessel of the present disclosure includes loading an anchor, moving the semi-submersible crane vessel to a site, and installing the anchor at the site, by an anchor management section of the semi-submersible crane vessel, loading a hull and mooring the semi-submersible crane vessel to a quay wall, by a hull management section of the semi-submersible crane vessel, pre-assembling wind power equipment on the hull while the semi-submersible crane vessel is moored at the quay wall for a certain period of time, by a wind power equipment pre-assembly section of the semi-submersible crane vessel, towing the hull whose pre-assembly is complete from the quay wall to the site, and fixing the anchor and the hull by a mooring line, by a control section of the semi-submersible crane vessel, installing an offshore substation by an offshore substation installation section of the semi-submersible crane vessel, and installing a submarine cable by a submarine cable installation section of the semi-submersible crane vessel.
Resumen de: EP4660448A1
Die Erfindung betrifft ein Energiebereitstellungssystem für mobile und für stationäre Gegenstände.Es ist daher Aufgabe der Erfindung die Nachteile des Standes der Technik zu beseitigen und ein alternatives Energiebereitstellungssystem für mobile und für stationäre Gegenstände bereitzustellen. Das erfindungsgemäße Energiebereitstellungssystem für mobile und für stationäre Gegenstände zielt darauf ab, eine primäre elektrische Energiebereitstellung von mobilen und stationären Gegenständen zu unterstützen, um eine Betriebsdauer der primären elektrischen Energiebereitstellung zu verlängern und eine damit assoziierte benötigte Speicherkapazität elektrischer Energie zu reduzieren.Die Lösung dieser Aufgabe erfolgt durch die in den Ansprüchen aufgeführten Merkmale.
Resumen de: TW202445017A
Blade cradle (10) for a wind turbine blade (11) comprising a primary support frame (12) for receiving at least a section of the wind turbine blade (11) and at least one secondary support frame (13) for receiving at least one fixation means (14) for fixing the wind turbine blade (11) to the blade cradle (10), wherein the primary support frame (12) extends between a leading-edge end (15) and a trailing-edge end (16), wherein the primary support frame (12) comprises at least one first type connection interface (17) at the leading-edge end (15) and/or the trailing-edge end, wherein via the first type connection interface (17), the secondary support frame (13) is reversibly connectable to the primary support frame (12) in an operating position (I).
Resumen de: EP4660446A1
The present invention provides a method for constructing a leading edge protection layer for a wind turbine blade, with which it is possible to reduce deflection of the wind turbine blade during thermal spraying as far as possible and to support the wind turbine blade without a relative increase in size. The method is for constructing a leading edge protection layer for a wind turbine blade (5) having a protection layer (30) at a tip (12) in a blade length direction (L1) of a wind turbine blade body (5a) made of FRP and on a leading edge (16) side thereof. The method comprises: an attitude setting step for setting an installation attitude of the wind turbine blade body (5a) such that the blade length direction (L1) is substantially horizontal and the leading edge (16) side faces downward; a supporting step for supporting a plurality of positions in the blade length direction (L1) on the leading edge (16) side by means of support bases (32); and a thermal spraying step for performing thermal spraying on the leading edge (16) side.
Resumen de: EP4659869A1
In the present invention, the accuracy of work to construct a protective layer is improved. This protective layer construction device comprises: a material injector (110) that injects, from an injection port (111), an injection frame (112) that includes a construction material; a movement mechanism that moves the material injector (110) in a prescribed scanning direction; a distance sensor (120) is installed in the movement mechanism in a state in which a prescribed distance (D) from the material injector (110) is maintained, is moved in the scanning direction, and contactlessly measures the distance from a blade surface (A); and a control unit that controls the distance (H) between the injection port (111) of the material injector (110) and the blade surface (A) on the basis of a measured distance (H') acquired by the distance sensor (120). The prescribed distance (D) is determined on the basis of an injection angle (θ) of the injection frame (112) and a set distance between the injection port (111) and the blade surface (A).
Resumen de: US2024257079A1
A device may receive historical operational data for a mechanical system, such as a rotor blade of a wind turbine. The device may determine one or more quality grades for each of one or more materials of the system, e.g., the rotor blade. The one or more quality grades may be determined by using a data model to process the historical operational data. The data model may be trained using machine learning based on one or both of historical operational data for similar systems, e.g., other rotor blades, and end-of-life (EOL) testing data for the same. The device may determine a recycling recommendation based on the one or more quality grades. The recycling recommendation may include instructions relating to recycling the one or more materials. The device may deliver the recycling recommendation to another device or recipient.
Resumen de: WO2024160331A1
A method for identifying and recovering target commodities from a composite wind turbine blade, in which a computing device receives quality grade data indicating quality grades of respective materials included within a turbine blade, and commodity data for a plurality of candidate commodities that are capable of being recovered from the one or more materials of the turbine blade. The computing device determines expected profitability for each of said plurality of respective candidate commodities, wherein the quality grade data for the respective materials and the commodity data for the plurality of candidate commodities are provided as inputs to a data model to cause the data model to determine the expected profitability for each of said plurality of respective candidate commodities. The computing device determines, based on the expected profitability, a recommendation indicating, for respective materials of the turbine blade, one or more target commodities to recover using the respective materials. The device delivers the recommendation to another device or recipient, so that recovery of the target commodities can occur.
Nº publicación: EP4658470A1 10/12/2025
Solicitante:
VESTAS WIND SYS AS [DK]
VESTAS WIND SYSTEMS A/S
Resumen de: CN120603691A
The invention provides a wind turbine whose rotor blade comprises a first fiber reinforced epoxy polymer and a further component comprising a second fiber reinforced epoxy polymer. Wherein the first fiber-reinforced epoxy polymer and the second fiber-reinforced epoxy polymer are configured to be disintegrated by the same acid treatment. The invention also provides a method of recovering material from a wind turbine comprising a rotor blade comprising a first fiber-reinforced epoxy polymer and a further component comprising a second fiber-reinforced epoxy polymer. The method comprises: disintegrating a first fiber-reinforced epoxy polymer of the rotor blade by an acid treatment; recovering the first material from the disintegrated first fiber-reinforced epoxy polymer; a second fiber-reinforced epoxy polymer that disintegrates the further component by an acid treatment; and recovering the second material from the disintegrated second fiber-reinforced epoxy polymer.