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404
resultados
Última actualización
01/10/2026 [12:31:00]
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.
Resumen de: EP4814301A1
0001 A method for controlling a wind turbine having a plurality of rotor blades. The method includes receiving, via a control module arranged in a hub of the wind turbine and in communication with a pitch controller of the wind turbine, first data associated with operation of the wind turbine. The first data is collected via a plurality of sensors arranged in the hub and in communication with the control module. The method also includes determining, via the control module, a first reference signal based, at least in part, on the first data received from the plurality of sensors arranged in the hub. Further, the method includes detecting, via the control module, a communication loss between the control module and a turbine controller arranged external to the hub. In addition, the method includes, in response to the communication loss, controlling, via the control module, a plurality of pitch adjustment mechanisms of the plurality of rotor blades independently for a ride-through time based on the first reference signal.
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.
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.
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.
Resumen de: EP4814299A1
0001 A method including yawing a nacelle yaw system of at least one wind turbine for orienting a nacelle of the at least one wind turbine according to a first yaw setpoint when the at least one wind turbine operates in a first operating mode, the first yaw setpoint being at least based on a wind direction at a location of the at least one wind turbine or a wind farm comprising the at least one wind turbine. The method also includes yawing the nacelle yaw system for orienting the nacelle according to a second yaw setpoint when the at least one wind turbine operates in a second operating mode that precedes a non-operational period comprising unavailability for performing a yaw maneuver. Also, a data processing device or system, a control system, a wind turbine, a wind farm and a computer program.
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
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
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).
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).
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
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.
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.
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).
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.
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.
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.
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).
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
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.
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.
Resumen de: CN122834030A
本发明公开了一种混塔风机基础模板支撑中心构件，涉及混塔施工技术领域，包括承载组件、沿承载组件周向分布的多根径向支撑组件、设于径向支撑组件末端的顶撑组件以及连接承载组件与径向支撑组件的斜向加固组件。径向支撑组件与承载组件可拆卸连接，另一端向外支撑模板；顶撑组件用于调节顶撑座伸出长度；斜向加固组件与承载组件、径向支撑组件之间形成三角形加固结构。相较传统满堂脚手架方案，本发明施工工期大幅缩短，模板水平度调节精度达到毫米级，基础圆度偏差得到有效控制，中心承载座与底板混凝土的粘结损坏率为零，构件周转利用率显著提升。
Resumen de: CN122834035A
本公开的实施例提供一种海上风电单桩基础的防护装置及海上风电桩系统，防护装置包括：第一固定组件，第一固定组件为环形结构，环形结构的内环用于连接单桩基础；支撑组件，支撑组件沿第一固定组件的周向设置，部分支撑组件的底部用于伸入海底；第一连接组件，第一连接组件连接第一固定组件与支撑组件。通过将支撑组件沿着环形结构的第一固定组件的周向设置，使防护装置的支撑组件沿着单桩基础的周向设置，以从单桩基础的周向对单桩基础进行防护，提高单桩基础的稳定性，防止航行船舶、风电运维船只风与单桩基础发生撞击，避免海上风电设备因单桩基础不稳定而引发的故障。此外，装配式的防护装置，易于连接，便于撞坏后更换。
Resumen de: CN122830894A
本发明公开了一种塔筒与圆管斜撑连接装置及浮式风电平台，包括：塔筒、圆管斜撑、过渡段、软肘板、半圆管和第二肘板；塔筒为竖向设置的圆筒状结构；圆管斜撑倾斜布置，圆管斜撑的上端通过过渡段连接至塔筒的外壁；过渡段的截面呈D形，过渡段的平面侧贴合焊接于塔筒的外壁；过渡段的顶部平板沿横向两侧延伸形成第一肘板；在过渡段的顶部平板与塔筒外壁的焊缝外侧沿竖直方向间隔设置有若干软肘板；与顶部平板相同标高处在塔筒内设有一层水平内甲板；在过渡段的下半圆与塔筒外壁的交界处下方，沿竖向焊接有一段半圆管，在半圆管与过渡段之间设置有第二肘板，降低连接节点疲劳应力便于施工检验。
Nº publicación: CN224813918U 29/09/2026
Solicitante:
华电科工股份有限公司
Resumen de: CN224813918U
本实用新型公开了一种风电安装船叶片托架平台，包括贝雷架，所述贝雷架包括榀Ⅰ框架、榀Ⅱ框架、上层横梁结构和下层横梁结构，榀Ⅰ框架、榀Ⅱ框架、上层横梁结构和下层横梁结构依次连接形成框架结构，榀Ⅰ框架和榀Ⅱ框架均设置有多组，多组榀Ⅰ框架和多组榀Ⅱ框架交替布置，上层横梁结构包括一层强横梁和一层横梁，下层横梁结构包括二层强横梁和二层横梁，二层横梁设置有一根，二层强横梁设置有多根，一根二层横梁和多根二层强横梁布置于二层强纵梁/二层纵梁上，一层强纵梁右端面上设置有增高支架。本实用新型平台合体后具有出色的强度，并且满足拖航需求。为适应更长的叶片长度，增高支架的位置是灵活的，方便移动。
BOPI
Sede Electrónica
