Alerta

APPARATUS AND METHOD FOR TRANSPORTING A WIND TURBINE COMPONENT TO AND/OR AT AN OFFSHORE WIND TURBINE

Resumen de: US20260298204A1

A transportation system for transporting a wind turbine component (32) on a floating foundation (16) at an offshore wind turbine (10) is provided. The transportation system includes a rail system (52). The rail system (52) includes at least one rail (84) configured to extend from a component landing area (48) to a component lifting area (50) of the floating foundation (16). The transportation system also includes a transportation skid (46) selectively mountable to the rail system (52) and configured to receive the wind turbine component (32). The transportation skid (46) includes a skid frame (54) for supporting the wind turbine component (32) and at least one rail engagement element (60) configured to engage the rail system (52) for moving the transportation skid (46) along the rail system (52). A method of transporting the wind turbine component (32) at the floating foundation (16) of the offshore wind turbine (10), and a method of installing the wind turbine component (32) in the offshore wind turbine (10) are also provided.

WIND TURBINE PITCH AND YAW CONTROL

Resumen de: EP4814300A1

0001 A method for reducing vibrations of a wind turbine. The wind turbine comprises a wind rotor with at least a first rotor blade and a second rotor blade. The method comprises adjusting a pitch angle of at least one rotor blade of the first and second rotor blades so that the pitch angle of the first rotor blade and the pitch angle of the second rotor blade differ by at least 30 degrees, the adjusting of the pitch angle occurring when the wind turbine is in a state where yawing of the wind rotor is possible. And the method comprises adjusting a yaw angle of the wind rotor to a preferred yaw position, the yaw angle being at least partially adjusted during or after the adjusting of the pitch angle. Also, a data processing device or system, a control system, a wind turbine, a wind farm and a computer program.

VIBRATION DAMPER ASSEMBLY FOR REDUCING THE TRANSMISSION OF VIBRATIONS

Resumen de: CN121399367A

The invention relates to a method for operating an elongated first component (10; 30) for a vehicle body (10; 140), the first part (10; 30) is arranged in the longitudinal direction (LD) of the connection end (11; 31) for mechanical connection to the second component (20). The damper device (40; 140) comprises at least two damper groups (41a, 41b, 41c, 41d, 41e) which are arranged between the first part (10; 30) having the connection end (11; 31) and an end section (12; 32) and are spaced apart from one another in the longitudinal direction (LD), each of the damper groups (41a, 41b, 41c, 41d, 41e) comprising a plurality of individual dampers (42a, 42b, 42c, 42d, 42e) distributed in the circumferential direction (CD) in the first part (10; 30) on the peripheral wall (14). In order to reduce problems due to tones in the wind turbine (1) in a simple and cost-effective manner, the damper sets have natural frequencies that differ from one another. The invention also relates to a wind turbine (1).

DETERMINING A DESIGN LOAD FOR DESIGNING A WIND TURBINE COMPONENT

Resumen de: EP4814776A1

The invention relates to designing a wind turbine component. For a given defined load case, the invention involves, for each of a plurality of defined operational parameter values, simulating wind turbine operation at the respective operational parameter value, and determining, based on simulation output, a characteristic extreme load at the respective operational parameter value. At the defined design load, the invention involves obtaining a combined characteristic extreme load for the respective defined load case using a combining function that depends on the determined characteristic extreme load, and a defined probability of wind turbine operation, at each respective operational parameter value. This is repeated for different design loads, and the invention involves determining a design load for extreme loading based on the combined characteristic extreme loads for the respective load cases. The wind turbine component is designed in accordance with the determined design load.

A METHOD AND SYSTEM FOR CONTROLLING YAWING OPERATION OF A WIND TURBINE GENERATOR (WTG) IN A WIND FARM

Resumen de: EP4814297A1

The present invention provides a system and method for controlling yawing operation of a wind turbine generator (WTG) in a wind farm. In the present invention a controller (205) within the WTG, receives wind direction values from a first sensor (110) in the wind turbine generator. Thereafter, the controller (205) determines a first mean wind direction, over a predetermined time, of the wind direction values received from the first sensor (110). Also, the controller (205) receives wind direction values from a second sensor (301) mounted away from the wind turbine generator and determines a second mean wind direction value, over a predetermined time period, of the wind direction values received from the second sensor (301). Further, the controller (205) determines a first standard deviation, over a predetermined time, of the wind direction values received from the first sensor (110), and it also determines a second standard deviation, over a predetermined time period, of the wind direction values received from the second sensor (301). Thereafter, it determines a difference between the first and second mean wind directions and compares the determined difference with a predetermined threshold value, wherein if the determined difference is greater than the predetermined threshold value, it compares the first and second standard deviations and selects a source of wind direction that has a lower standard deviation amongst the first and second standard deviations for subsequent yawin

METHOD FOR CONTROLLING A FARM OF WIND TURBINES

Resumen de: EP4814302A1

0001 Procédé de pilotage d'une ferme d'éoliennes, avec A) une phase d'initialisation de maximisation de l'énergie produite: A1) mise en œuvre d'un modèle initial MOD<0> de maximisation de l'énergie produite par la ferme d'éoliennes par simulation des sillages, selon des paramètres initiaux afin de déterminer un/des points de fonctionnement initiaux, A2) application de ces points de fonctionnement initiaux aux actionneurs des éoliennes, B) acquisition en temps réel de mesures de configuration de vent, C) estimation des paramètres du modèle initial MOD<0> de maximisation d'énergie par un estimateur ESTIM à partir des mesures de configuration de vent D) mise à jour du modèle initial MOD<0> avec l'estimation les phases B), C), et D) étant réitérées, avec l'obtention d'un modèle corrigé M E) correction de la maximisation de l'énergie produite comprenant E1) mise en œuvre du modèle corrigé MOD afin de déterminer des points de fonctionnement corrigés, E2) application du/de ces points de fonctionnement corrigés aux actionneurs des éoliennes, les étapes E1) et E2) étant réitérées.

WIND TURBINE ROTOR BLADE AND METHOD FOR MANUFACTURING A WIND TURBINE ROTOR BLADE

Resumen de: EP4814290A1

0001 A wind turbine rotor blade (110) comprises a spar cap (200) having a first-type stack (202) of prefabricated pultruded planks (210). The first-type stack has a length (L1) measured in a first direction (D1), a width (W1) defined as the distance between two opposite lateral sides (204) of the first-type stack and a height (H1) measured in a stacking direction of the pultruded planks. A further prefabricated pultruded plank is arranged transversely to the pultruded planks of the first-type stack on a lateral side of the first-type stack.

METHOD FOR MOUNTING A TENSIONING SYSTEM, GUIDE, TENSIONING SYSTEM AND WIND TURBINE

Resumen de: EP4814295A1

A method comprises:- attaching a first guide (351) to a bearing (200),- introducing a first end region (371) of a first tensioner (331) into the first guide (351),- wrapping the first tensioner (331) around the bearing (200),- introducing the first end region (371) into a first retaining device (341),- introducing a second end region (372) of the first tensioner (331) into the first retaining device (341),- tensioning the first tensioner (331) by pulling on the first end (361) and/or second end (362),- fixing each of the first end region (371) and the second end region (372) to the first retaining device (341) under tension. A guide, a tensioning system and a wind turbine are also disclosed

METHOD FOR MOUNTING A TENSIONING SYSTEM AND WIND TURBINE

Resumen de: EP4814294A1

0001 A method for mounting a tensioning system (320) to a bearing (200) for a wind turbine (100) is disclosed. The method comprises: - fixing a first end region (371) of a tensioner (331) in a retaining device (341), - fixing a second end region (372) in the retaining device (341), - filling a first cap (391) with an anti-corrosion agent (560), - filling a second cap (392) with an anti-corrosion agent (560), - attaching the first cap (391) to the retaining device (341) such that it covers the first end (361), - attaching the second cap (392) to the retaining device (341) such that it covers the second end (362). A wind turbine is also disclosed.

METHOD AND SYSTEM FOR DISASSEMBLING A TENSIONING SYSTEM

Resumen de: EP4814293A1

A method for disassembling a tensioning system (320) from a bearing (200) of a wind turbine (100) is disclosed. The tensioning system (320) comprises an elongated, flexible tensioner (331), the tensioner (331) being wrapped around the bearing (200) and fixed by a retaining device (341). The method comprises:- cutting the tensioner (331) in a cutting region (521) of the tensioner (331), and- removing the tensioner (331) from the bearing (200). A system for disassembling a tensioning system is also disclosed.

SPAR CAP ASSEMBLY FOR A ROTOR BLADE OF A WIND TURBINE

Resumen de: EP4814292A1

A spar cap assembly for a rotor blade of a wind turbine is provided. The spar cap assembly (100) comprises a stack (50) of layers (51, 52, ...) of carbon fiber composite material, wherein the layers are stacked in a thickness direction (111) and wherein the stack (50) extends in a longitudinal direction (110), and further comprises a lightning conductor (40) of a lightning protection system extending along the stack of layers. At least one potential equalization assembly (120) configured to electrically connect the stack (50) of layers of carbon fiber composite material to the lightning conductor (40) provides an equipotential bonding (121) at an equipotential bonding position (122) in the longitudinal direction. Two or more longitudinal contact ranges are arranged in longitudinal direction (110) next to each other, wherein each longitudinal contact range (10, 20, ...) comprises at least a first sheet (11, 21, ...) of conductive material that is arranged on and in direct electrical contact with a layer (51, 52, ... ) of the stack (50) and that rests against the lightning conductor (40).

METHOD FOR CONTROLLING A WIND TURBINE UNDER REVERSE ROTATION, AND ASSOCIATED CONTROL SYSTEM

Resumen de: EP4814296A1

A method of operating a wind turbine, the method comprising determining a rotational speed of a main rotor of the wind turbine, determining a rotational direction of the main rotor, identifying a reverse overspeed condition when the rotational speed of the wind turbine rotor exceeds a predefined rotational speed limit and the rotational direction is reverse, and in particular, upon determining that the reverse overspeed condition persists for at least a threshold duration, initiating a mitigation action to reduce or halt the reversed rotational speed.

A ROTOR-LOCK SYSTEM AND METHOD FOR A WIND TURBINE GENERATOR

Resumen de: EP4814298A1

The present invention provides a rotor-lock system in a wind turbine generator. The system includes a rotor shaft flange (110) mounted to a hub (170) of the wind turbine generator through a plurality of mounting means (195). The exposed portion of the mounting means (195) is extending through the rotor shaft flange (110) towards a main bearing (140) of the wind turbine generator. The removable rotor-lock plate (180) is mounted onto the exposed portion of the mounting means through one or more mounting holes (181) on the rotor-lock plate (180) before a use of the rotor-lock plate and locked by inserting one or more locking pins (190) in the one or more locking holes (182). For unlocking, the locking pins (190) from the one or more locking holes are removed and the rotor-lock plate is unmounted from the exposed portion of the mounting means through one or more mounting holes on the rotor-lock plate (180) after the use of the rotor-lock plate (180).

FLOATING MARINE PLATFORM WITH FLANGE CONNECTIONS

Resumen de: EP4813824A1

0001 The invention relates to a floating marine platform comprising multiple columns that are interconnected with tubular members, wherein the floating marine platform comprises multiple flange connections in the tubular members, wherein at least one flange connection comprises a radial inwardly directed first mounting flange with a first annular engagement surface, a radial inwardly directed second mounting flange with a second annular engagement surface, and a seal ring that comprises a first annular seal surface that faces the first annular engagement surface, a second annular seal surface that faces the second annular engagement surface, wherein the seal ring tapers radially inwards along the first annular seal surface and the second seal surface, wherein mountings bias the first mounting flange and the second mounting flange against the seal ring.

Floating wind turbine foundations

Resumen de: GB2705054A

A floatable foundation (100, fig 1) for a wind turbine generator, the foundation comprising a plurality of structural plate parts 110-118 having a shell plate 101, a plurality of primary stiffeners 102 welded onto the shell plate, at least one girder 103 extending transversely to the primary stiffeners, each girder having slots (104, fig 24) wherein a corresponding primary stiffener is received, wherein the girder(s) are welded to both the primary stiffeners and to the shell plate; and the floatable foundation is assembled at least partly from the plurality of structural plate parts joined together, wherein each girder has an apex bar 120 and a pair of leg bars 121/122 arranged between the apex bar and the shell plate, the slots being arranged in the leg bars. Additionally, the girder(s) may have outwardly diverging leg bars such that the girder(s) have a cross-sectional shape of a bottomless isosceles trapezoid. The leg bars may instead be parallel with each other. The girder(s) may be welded to each intersecting primary stiffener at only one side. The foundation may comprise a support member (130/131, fig 14) between two of the apex bars of two structural plate parts. Figure 6

LEAK DETECTION IN WIND TURBINES

Resumen de: DK202370580A1

A wind turbine fluid system comprising a fluid tank having a fluid level sensor that provides a tank level signal indicative of the level of fluid in the fluid tank; and a plurality of fluid-using components fluidly coupled to the fluid tank. The fluid system further comprises a processor configured to: determining an actual fluid volume of the fluid tank based at least in part on the tank level signal; using one or more models to generate an estimated fluid volume of the fluid tank based on data relating to the plurality of fluid-using components; comparing the estimated fluid volume of the fluid tank with the determined actual fluid volume of the fluid tank; triggering an alert action in the event that the result of the comparison indicates that a leak is present in the fluid system. The invention also relates to a method of detecting leakage of fluid in a system, a wind turbine comprising such a fluid system, and a computer program product. A benefit of the invention is that it provides a more accurate determination of leakage behaviour in a fluid system by monitoring the difference between an estimated volume of the fluid, for example hydraulic fluid, in the fluid tank and a measured value of fluid volume in the tank.

WATER-AIR TURBINE

Resumen de: WO2025110886A1

The subject of the invention is a water-air turbine, which is characterised in that its frame supporting structure (1) consists of angle profiles (2) connected to rectangular frames (3, 7), which are detachably connected to a rotary assembly (11) equipped with two rotating shafts (10) mounted in holes (5, 5') of rectangular frames (3, 7), while two elliptical guides (9) are detachably connected to the angle profiles (2) of the frame supporting structure (1), under rolling rollers (57) of trolley assemblies (13, 13') inseparably connected with at least two blade assemblies (14) symmetrically arranged on the circumferences of elliptical guides (9), each of which consists of a lower frame supporting structure (19) equipped with a support plate (20) and an upper frame supporting structure (21) equipped with the support plate (22) connected to each other hingedly by means of a pin (23) and by means of upper rods (35) and lower rods (35') placed in profile connectors (34, 34') and hingedly connected to them, positioned parallel to each other, ended with ring elements (36, 36'), wherein the upper rods (35) pass through the ring elements (36') of the lower rods (35'), while the lower rods (35') pass through the ring elements (36) of the upper rods (35), and moreover, on the lower rods (35') between each lower connector (34') and the ring element (36) of the upper rod (35), an expansive cylindrical spring (37) is mounted, while the lower frame supporting structure (19) of the blade as

OFFSHORE JOINING SYSTEM, OFFSHORE JOINING CHAMBER, AND OFFSHORE JOINING METHOD

Resumen de: GB2705008A

An offshore joining system 1, includes: a floating structure 2 in which a bottom portion 2b thereof sinking into sea has a weld line 3; and a chamber 10 attached to the bottom portion of the floating structure and forming a dry space surrounding the weld line, in which the bottom portion of the floating structure is provided with a guide mechanism (50, Fig 3) along the weld line, the chamber is provided with a sliding mechanism (60, Fig 3) configured to slide along the guide mechanism, and at least one of the guide mechanism and the sliding mechanism includes a wire. Also disclosed is a joining chamber and am offshore joining method. Figure 1

METHOD FOR MANUFACTURING ROOT SECTION OF WIND TURBINE BLADE, ROOT SECTION, WIND TURBINE BLADE, AND WIND TURBINE

Resumen de: EP4814291A1

0001 The present disclosure relates to dry fibre-fabric inlays for being embedded in a shell structure of a wind turbine blade and a method for manufacturing the dry fibre-fabric inlay. The method includes arranging two or more bushings and one or more dry fibre-fabric inlays alternately between the bushings, and consolidating the bushings and the dry fibre-fabric inlays together. The present disclosure also relates to a wind turbine rotor blade including a plurality of the dry fibre-fabric inlays, and to methods of manufacturing the blade.

WIND TURBINE ROTOR POSITIONING

Resumen de: WO2025153401A1

Wind turbine rotor positioning A method of operating a wind turbine for positioning a wind turbine rotor of the wind turbine is provided. The wind turbine (100) comprises an electrical generator (10) mechanically coupled to the wind turbine rotor (101) and a power converter system (20), wherein the power converter system (20) comprises at least two parallel power converters (21, 22) providing two parallel paths for exchanging electrical power with the electrical generator (10). The method comprises controlling the power converter system (20) to supply electrical power to the electrical generator (10) to operate the electrical generator as a motor, and upon detecting a failure of a power converter (21) of the power converter system (20), controlling the power converter system (20) to maintain operation of at least one other power converter (22) of the power converter system (20) to continue supplying electrical power to the electrical generator (10) to continue generating torque that is applied to the wind turbine rotor (101).

PERFORMING DEFORMATION ANALYSIS OF A WIND TURBINE BLADE

Resumen de: WO2025149359A1

Performing deformation analysis of a wind turbine blade It is described a method of performing deformation and/or orientation analysis of a wind turbine rotor blade, the method comprising: acquiring first position data (104) of a first navigation system probe (105, 262a) mounted at the blade to provide position at a first location (263a); acquiring second position data (106) of a second navigation system probe (107, 262b) mounted at the blade to provide position at a second location (263b); deriving first direction information (264) at least regarding a relative direction of the first location (263a) and the second location (263b) based on the first position data and the second position data.

CONTROLLING WIND TURBINES IN CASE OF A UTILITY GRID EVENT

Resumen de: EP4585801A1

It is described a method of controlling plural wind turbines (2a,2b) being connected to a utility grid (3), comprising respective wind turbine controllers (5a,5b) and being communicatively connected with a plant controller (4), the method comprising for at least one wind turbine: determining, by the plant controller (4), in response to a utility grid event, a reference (6a, 6b) of an operation parameter (P, Q); communicating, from the plant controller (4) to the wind turbine controller (5a, 5b), the plant controller determined reference (6a,6b) of the operation parameter; communicating, from the plant controller (4) to the wind turbine controller (5a,5b), an annotation information (7a,7b) indicating that the reference of the operation parameter has been determined based on the grid event; then controlling, by the wind turbine controller (5a,5b), the wind turbine (2a,2b) based on the plant controller determined reference (6a,6b) of the operation parameter.

VERFAHREN ZUM EINSTELLEN VERSTELLBARER ROTORBLÄTTER EINER VERTIKALWINDKRAFTANLAGE

Resumen de: CH722641A1

Die vorliegende Erfindung betrifft eine Vertikalwindkraftanlage mit einem System zur optimierten Regelung verstellbaren Rotorblätter mittels eines Pitchwinkels (β). Das System umfasst eine Sensoreinheit, die Umgebungs- und Betriebsdaten wie Windgeschwindigkeit, Windrichtung und Temperatur erfasst. Diese Eingabedaten (20) werden einem maschinellen Lernmodell (4) zugeführt, das auf Grundlage dieser Daten einen Leistungsparameter (12) der Windkraftanlage vorhersagt. Ein Optimierungsalgorithmus (3) ermittelt und passt Werte eines dynamischen Pitchwinkels iterativ an, um den Leistungsparameter (12') zu maximieren. Die Rechnereinheit vergleicht den optimierten Leistungsparameter (12') mit dem aktuellen Wert und übermittelt den berechneten dynamischen Pitchwinkel an die Regelungseinheit, die diesen mittels eines Pitchantriebs in Echtzeit einstellt und nachregelt.

CALIBRATING A WIND DIRECTION SENSOR OF A WIND TURBINE

Resumen de: WO2025108528A1

The invention relates to calibrating a wind direction sensor of a wind turbine. The invention involves retrieving a measured relative power output between a downwind wind turbine and the wind turbine, as a function of absolute wind direction at the wind turbine. The invention involves determining predicted relative power output as a function of absolute wind direction, wherein the predicted relative power output is a predicted power output of the further wind turbine relative to the predicted power output of the wind turbine, the further wind turbine power output being based on wake flow generated by the wind turbine. The invention involves comparing the measured relative power output against the predicted relative power output to determine an error in terms of absolute wind direction, and updating defined wind turbine yaw offset based on the determined error. The invention involves calibrating the wind direction sensor based on the determined error.

METHOD FOR COATING LARGE-AREA INDUSTRIAL AND BUILDING COMPONENTS AND AUTOMATIC PAINTING DEVICE

Nº publicación: EP4813523A1 30/09/2026

Solicitante:

RODOPI HOLDING GMBH [DE]
VENJAKOB MASCHINENB GMBH & CO [DE]
Rodopi Holding GmbH
Venjakob Maschinenbau GmbH & Co. KG

Resumen de: EP4813523A1

0001 Die Erfindung betrifft ein Verfahren zum Beschichten großflächiger Industrie- und Bauwerkskomponenten, insbesondere für den Außeneinsatz, vorzugsweise in korrosionsintensiven Umgebungen, besonders bevorzugt für den Offshore-Einsatz, wobei ein Bauteil (9) mit einer zusammenhängende Großfläche durch eine Beschichtungsdüse (110; 210) mit einem Beschichtungsmaterial besprüht wird. Das Verfahren setzt auf den Einsatz eines Lackierautomaten (100; 200). Die Erfindung betrifft auch den Lackierautomaten (100; 200) selbst, welcher eine Beschichtungsdüse (110; 210), einen Linearantrieb (111) und eine Führung (131; 231) aufweist, wobei der Linearantrieb (111) eingerichtet ist, die Beschichtungsdüse (110; 210) entlang der Führung (131; 231) des Lackierautomaten (100; 200) zu verfahren, sowie ferner einen Automatenantrieb (120; 220) zum Verfahren des Lackierautomaten (100; 200).