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METHOD AND SYSTEM FOR FORMING A SECTION FOR A FLOATING BODY FOR AN OFFSHORE FLOATING FOUNDATION

Absstract of: NL2036515B1

0001 Method and system for forming a section for a floating body for an offshore floating foundation Abstract Method for forming a section for a floating body for an offshore floating foundation, comprising providing a metal sheet having a sheet length direction and a sheet Width direction, and bending said sheet, such that the sheet is curved in the sheet length direction, forming a concave side. Furthermore a stiffener is formed, having a stiffener length direction, wherein the stiffener is curved in said stiffener length direction, forming a convex side. Said curved stiffener is placed With the convex side against the concave side of the sheet and is pushed against the concave side of the sheet, such that a curvature of the concave side of the sheet matches a curvature of the convex side of the stiffener at least at the position Where the stiffener is placed. Then the stiffener is welded against the sheet.

IMPROVED INTRINSICALLY ADAPTING VARIABLE GENERATORS AND MOTORS

Absstract of: US20250158497A1

An electromagnetic armature including, electrically connected rotor layers and stator layers made of magnetically permeable material. The rotor layers are provided radially between adjacent ones of the stator layers. The rotor layers and the stator layers are integrally connected to rotate together about a central axis of the electromagnetic armature.

POWER PREDICTION METHOD AND SYSTEM FOR WIND FARM, AND STORAGE MEDIUM

Absstract of: EP4826608A1

0001 Embodiments of the present disclosure provide a method and system for predicting power of a wind farm and a storage medium. The method includes the following. Wind turbine sites are arranged within the wind farm, a wind speed in a region where each of wind turbines is located in the wind farm is collected, and other meteorological data associated with the wind farm are collected. Airflow distribution across the wind farm is reconstructed according to collected data. Future airflow distribution across the wind farm is predicted according to the reconstructed airflow distribution across the wind farm. Turbine site points are determined, and a predicted wind speed value corresponding to each of the turbine site points is extracted from the predicted future airflow distribution. The predicted wind speed value corresponding to each of the turbine site points is converted into a predicted power value. Compared with the related technologies, the method in the present disclosure can effectively predict the power changes of the wind farm within 1-15 minutes, so as to bring significant safety and economic benefits to countries and regions having weaker power grids as well as to scenarios where the wind farm directly supply power to load sides, and can effectively position and track wind flow propagation motion trajectories without accumulating a large amount of historical data.

WIND TURBINE

Absstract of: EP4826241A2

A wind turbine comprises:- a tower (102) with a longitudinal axis extending along a vertical direction (101),- a yaw mechanism (260) arranged on top (103) of the tower (102),- a nacelle (106),- a support structure (200) comprising:- a rotor bearing housing (201), wherein the rotor bearing housing (201) is configured to accommodate a rotor bearing (250) for rotatably supporting a rotor shaft (114);- a base (202), wherein the base (202) is configured to be rotatably mounted on top (103) of the tower (102) of the wind turbine (100) at a first end (203) of the base (202), wherein the base (202) is configured to be mounted with the rotor bearing housing (201) on a second end (204) of the base (202), wherein the base (202) comprises a side wall (205) which extends between the first end (203) and the second end (204) and the side wall (205) comprises a passage opening (206) for a people passage, wherein the side wall (205) is configured such that any cross-section of the side wall (205) in a plane perpendicular to a longitudinal axis of the tower (102) and above the first end (203) comprises at least a circular arc and/or at least an elliptical arc,wherein the base (202) is rotatably mounted on top (103) of the tower (102) of the wind turbine (100) via the yaw mechanism (260), and wherein the nacelle (106) accommodates the support structure (200), wherein the passage opening (206) enables a passage between the base (202) and the interior of the nacelle (106).

Apparatus for conversion of rotary motion into heat

Absstract of: GB2705638A

A friction-based rotational-thermal convertor, preferably a wind-thermal convertor, comprising a housing 1 defining at least two chambers 2 to contain working liquid, each said chamber enclosing a rotor 4, characterised in that the quantity of working liquid present in at least one of said chambers 2 may be varied. By varying the quantity of working liquid present in an or each chamber it is possible to control the extent of rotational-thermal conversion. A further aspect of the invention provides a wind turbine comprising a plurality of wind-vanes, and a drivetrain connecting said vanes to a friction-based rotational thermal convertor according to the first aspect. The working liquid is typically an oil, and in embodiments of the invention a heat-transfer fluid is employed to transfer heat to a thermal battery or a steam-generator. The convertor enables the efficient harvesting of wind-energy under variable conditions of wind-speed and energy demand. Fig 1

LIGHTNING PROTECTION ASSEMBLY FOR A ROTOR BLADE

Absstract of: WO2025172010A1

A lightning protection assembly for a rotor blade (1) of a wind turbine is provided. The lightning protection assembly (100) comprises a carbon structure (110) extending in a longitudinal direction of the rotor blade (1) for strengthening the rotor blade (1), a conductive element (120, 130); and a potential equalization assembly (121, 131) comprising at least respective first and second conductor bonding elements (122, 132) each configured to electrically couple the conductive element (120, 130) to the carbon structure (110). A longitudinal section of the conductive element (120, 130) extends in a longitudinal direction of the blade (1) between the first and second conductor bonding elements (122, 132). The longitudinal section of the conductive element (120, 130) extends in a longitudinal direction along at least a portion of the carbon structure (110). The conductive element (120, 130) is spaced apart from the carbon structure (110) in a surface direction (S1) parallel to a surface of the rotor blade (1) and/or in a thickness direction (S2) perpendicular to the surface of the rotor blade (1).

SPAR CAP ASSEMBLY

Absstract of: EP4600485A1

The invention describes a spar cap assembly (1) comprising a spar cap (20) and a spar cap extension (10) attached to the spar cap (20), wherein the spar cap extension (10) comprises a channel (100) formed along an outer face (10F) of the lateral extension (10) and extending between outer ends (10R, 10T) of the spar cap extension (10); and an optical fibre cable (30) of an optical sensing system (3) contained in the channel (100). The invention further describes a method of manufacturing such a spar cap assembly (1).

AN AUTONOMOUS ANOMALY DETECTION SYSTEM, OFFSHORE ARRANGEMENT AND ASSOCIATED METHODS

Absstract of: EP4600486A1

0001 Method (300), offshore arrangement (124) and autonomous 3D modeling and anomaly detection system (202) suitable for offshore wind turbines (112), comprising unmanned vehicles, in particular an aerial vehicle (108) and an underwater vehicle (110), the system capable of generating three-dimensional models (3DG) of adjacently mounted components, both beneath and above sea level, which may be compared to reference three-dimensional models (3DR) to detect discrepancies, anomalies or fault conditions, in particular before, during and after assembly, in particular through a tolerance comparison, which allows for early detection of potential issues, such as misalignments and structural defects, wherein the system may further comprise machine-readable scanning capabilities to detect machine-readable identifier (126) arranged on components of the wind turbine, to facilitate tracking, certificate emission, interacting with the processing modules to facilitate 3D generation and/or pinpoint location of defects.

METHOD AND APPARATUS FOR APPLYING A VORTEX GENERATOR TAPE TO A BLADE OF A WIND TURBINE

Absstract of: EP4596867A1

It is described an apparatus (10) for applying a tape (11) to a blade (6) of a wind turbine (1), wherein the tape (6) comprising a plurality of vortex generators (VG) or indicating locations for attaching a plurality of vortex generators (VG) on the blade (6). The apparatus (10) is configured to be movable on a floor (12) in a moving path in accordance with a longitudinal direction of the blade (6) and comprises a portal (13) having a tape application tool (14) configured to apply the tape (11) to the blade (6), the tape application tool (14) being movable along the portal (13) in a vertical direction; and a distance detecting device (15), preferably a laser distance measuring device, being configured to detect an actual distance between the tape application tool (14) and the floor (12), preferably being configured to detect reference markings (16) arranged at the floor (12) or at a blade carrying equipment such as a root- and tip turning device along the moving path of the apparatus (10) .

CONDITION MONITORING ARRANGEMENT

Absstract of: EP4597067A1

0001 The invention describes a condition monitoring arrangement (1) of a fluid-film bearing (20) arranged to support the generator (21, 22) of a direct-drive wind turbine (2), comprising a plurality of bearing activity sensors (10), each arranged to collect bearing activity data (10D) during operation of the wind turbine (2); a local data evaluation arrangement (11, 12) adapted for installation in the wind turbine (2) and comprising a data reduction module (11) adapted to reduce the quantity of collected bearing activity data (10D); and a threshold comparator (12) configured to compare the reduced bearing activity data (10D) with a number of threshold values (121) to obtain threshold comparator output (1213, 1214) for use as a basis upon which to control that wind turbine (2). The invention further describes a method of monitoring the condition of a fluid-film bearing (20) arranged to support the generator (21, 22) of a direct-drive wind turbine (2); and a direct-drive wind turbine (2) comprising an instance of the inventive condition monitoring arrangement (1).

TIP STRUCTURE FOR A WIND TURBINE BLADE

Absstract of: WO2025125794A1

Tip structure for a wind turbine blade A wind turbine blade (110) is provided with a bifurcated tip structure (10) comprising a pair of oppositely directed winglets (30, 40). In one aspect, each winglet (30, 40) has an endplate (230, 240) at its distal end. Optionally, each endplate (230, 240) can be made from metal to form a lightning receptor. In another aspect, each winglet (30, 40) is made from metal to form a lightning receptor. In another aspect, each winglet (30, 40) includes a lightning receptor (230, 240) at its distal end, and both lightning receptors (230, 240) are connected to the lightning conductor (113) of the blade (110) via a serrated metal blade tip connector (150) that forms a trailing edge serration of the blade (110). Optionally, both lightning receptors (230, 240) can be connected to the blade tip connector (150) via a serrated metal lightning receptor connector (151) that forms a trailing edge serration of the winglets (30, 40).

A WIND TURBINE BLADE AND A METHOD OF MAKING A WIND TURBINE BLADE

Absstract of: WO2025124672A1

In a first aspect of the present invention there is provided a method of making a wind turbine blade. The method comprises providing a main blade part comprising a composite shell portion defining an airfoil profile. The composite shell portion extends longitudinally in a spanwise direction between an inboard end and a truncated outboard end which defines a shell end surface. The method further comprises providing a blade tip module defining a lightning receptor. The method further comprises providing a tip attachment member. Additionally, the method comprises applying a protective coating to the composite shell portion to form an outer skin covering the airfoil profile and the shell end surface, and attaching the blade tip module to the truncated outboard end of the composite shell portion via the tip attachment member, such that the blade tip module is separated from the composite shell portion by at least the outer skin covering the shell end surface.

WIND TURBINES AND METHODS

Absstract of: WO2025124726A1

The present disclosure relates to wind turbines (10) and methods (100) for operating wind turbines (10). A wind turbine (10) comprises a power converter (104), a main transformer (105), an auxiliary transformer (107), one or more auxiliary systems (108) and a plurality of power cables (109). The power cables (109) are connected to an output side of the main transformer (105). The power converter (104) is configured to operate with a pulse pattern for switching the switches of a line-side converter of the power converter (104) during island mode different than a pulse pattern to be used during normal operation of the wind turbine (10), the pulse pattern to be used during island mode being configured to avoid electrical resonance in the wind turbine (10).

SYSTEM CONTAINING AN AIR COMPRESSOR FOR GENERATING ELECTRICITY

Absstract of: MX2026007400A

A system that uses an air compressor and other components to generate electrical power is provided. The system includes a flywheel and can generate enough electrical power for driving high electrical loads. The electrical outputs of the electrical generator can be connected to electrical storage batteries for charging such devices as electric vehicles, cellular phones, laptops, tablets, personal computers, and the like. The air-powered system of the present invention generates a sufficient amount of electrical energy without producing substantial amounts of air pollution.

A CONTROL METHOD FOR CONTROLLING A WIND TURBINE, RELATED CONTROL SYSTEM AND SET OF COMPUTER PROGRAM(S)

Absstract of: EP4571098A1

0001 The present invention concerns a control method for controlling a wind turbine (15), the method comprising forming a control model of the wind turbine. The control model is configured to actively damp a tower pitch inclination (ϕ) by calculating, from a measurement of a tower pitch speed, a value of each controllable blade pitch angle to provide to a blade actuator (60). The control model comprises, for each blade, a compensation gain calculated based on a predetermined formula and representative of a wind turbine dynamic. Each compensation gain is configured to determine the corresponding controllable blade pitch angle. 0002 The control method comprises receiving, at a time instant, a measurement of the tower pitch speed. 0003 The control method comprises calculating a value of each controllable blade pitch angle based on the control model, and transmitting to the wind turbine, a control's command comprising the calculated value of each controllable blade pitch angle.

A CONTROL METHOD FOR CONTROLLING A WIND FARM, RELATED COMPUTER PROGRAM PRODUCT AND ELECTRONIC CONTROL DEVICE

Absstract of: EP4571099A1

0001 The present invention concerns a control method for controlling a wind farm (10) comprising a plurality of wind turbines (15i). 0002 The control method comprises a receiving, for successive time instants, estimated general wind velocities and estimated wind directions of wind (W), on the wind farm. 0003 The control method comprises determining, for an initial time instant, rotation commands by solving an optimization problem. The optimization problem aims at maximizing a power quantity representative of power generated by the wind farm, which comprises a first component and a second component, 0004 The first component depends on a local wind velocity at the contact of each wind turbine at an initial time instant. The second component depends on a set of calculated rotation commands for the wind turbines to rotate toward the estimated wind directions for each further time instant. 0005 The control method comprises sending the determined rotation command to each respective wind turbine.

A WIND TURBINE

Absstract of: EP4826244A2

The present invention is a wind turbine comprising a tower (1) supporting a rotor (2) on a horizontal shaft (4) coupled to a bevel gear box (5) that transfers rotation to a vertical shaft (6) driving an electric generator (7) positioned at or below the base of the tower (1). This configuration reduces nacelle mass, improves stability, and facilitates maintenance. The wind turbine comprises a yaw unit (10) including a base disc (11), a rotatable top disc (12) supported by rollers (13), and a top disc drive unit (15) driven by a power transmission unit (16) enables controlled orientation of the rotor (2) towards the wind direction.

OFFSHORE INTERVENTION PLATFORM

Absstract of: EP4826243A1

An articulated arm having a first arm part, a second arm part and a telescopic joint coupling the first arm part with the second arm. The arm has a hinge for connection to a portion of an intervention platform, the hinge permitting movement of the articulated arm about a first plane. The arm also has an intervention element connected to the second arm part to interact with a wind turbine component. The second arm part has a guide portion to couple to a wind turbine mast. An offshore intervention platform and an intervention method on an offshore wind turbine platform are also described.

WIND TURBINE DRIVETRAIN, WIND TURBINE AND METHOD FOR OPERATING A WIND TURBINE

Absstract of: EP4826246A1

The invention relates to a wind turbine drive train (7) for transmitting torque from a rotor hub (4) to a generator (9) comprising a rotor shaft (11), a low-speed lock (21) acting on the rotor hub (4) or on the rotor shaft (11), a gearbox (8), a high-speed shaft (10), and a high-speed lock (20) acting on the high-speed shaft (10) or on the generator (9), wherein the high-speed lock (20) is configured to fix the rotor hub (4) in multiple different rotor lock positions, wherein the low-speed lock (21) is configured to fix the rotor hub (4) in at most two different rotor positions.

SENSOR ARRANGEMENT FOR DETECTING AT LEAST A FIRST DEFORMATION OF A ROTOR BLADE OF A WIND TURBINE

Absstract of: EP4826245A1

0001 Die vorliegende Erfindung betrifft eine Sensoranordnung zum Erfassen mindestens einer ersten Verformung eines Rotorblatts (1) einer Windkraftanlage. Die Sensoranordnung weist eine an einer ersten Position (P1) angeordnete Sendeeinheit (102-1) und mindestens eine entlang einer Biegelinie des Rotorblatts (1) an einer zweiten Position (P2) angeordnete erste Sende-Empfangs-Einheit (102-2) auf. Die Sensoranordnung ist derart ausgebildet, dass ein erster Lichtpuls (111-1), ein zweiter Lichtpuls (111-2) und ein dritter Lichtpuls (111-3) als Teil einer Pulsfolge (111) erzeugt werden. Der erste Lichtpuls (111-1), der zweite Lichtpuls (111-2) und der dritte Lichtpuls (111-3) weisen eine Verteilung innerhalb der Pulsfolge (111) auf. Die Sensoranordnung ist dazu ausgebildet, eine erste Pulsdauer (τ1 ), ein zweite Pulsdauer (τ2 ) und eine dritte Pulsdauer (τ3 ) zufällig festzulegen und/oder die Verteilung zufällig auszuwählen.

METHOD FOR ARRANGING VORTEX GENERATOR ELEMENTS ON A ROTOR BLADE FOR A WIND TURBINE, ROTOR BLADE, WIND TURBINE AND WIND PARK

Absstract of: EP4826242A1

0001 Die vorliegende Erfindung betrifft ein Verfahren zum Anordnen von Vortexgeneratorelementen an einem Rotorblatt für eine Windenergieanlage, ein Rotorblatt, eine Windenergieanlage und einen Windpark. Die Erfindung bezieht sich dabei auf einen Unterschied zwischen dem Maximum einer Druckverteilungskurve eines aufwärts gerichteten Teils einer aerodynamischen Polare und dem Maximum einer Druckverteilungskurve eines abwärts gerichteten Teils der aerodynamischen Polare.

LUBRICATING OIL SYSTEM FOR PRESSURISED LUBRICATION A TORQUE-TRANSMITTING COUPLING OF A TRANSMISSION

Absstract of: WO2025124946A1

The invention relates to a lubricating oil system (26) for the pressurised lubrication of a torque-transmitting coupling (42) of a transmission having a fixed transmission housing (30), wherein the transmission housing (30) has a supply channel (28) for supplying a pressurised lubricating oil, a first transmission component (32) rotatable relative to the transmission housing (30), wherein the first transmission component (32) has a supply channel (38) in fluidic communication with the supply channel (28) via a gap seal (36) for receiving the lubricating oil supplied via the supply channel (28) and gap seal (36), and a second transmission component (44) coupled in a torque-transmitting manner to the first transmission component via the coupling (42), wherein the supply channel (38) is designed to guide the lubricating oil to the coupling (42), wherein the transmission housing (30) has at least one return flow channel (46) in fluidic communication with the gap seal (32) for gravity-driven discharge of the lubricating oil out of the gap seal (32). As a result of the return flow channel (46), damage caused by wearing particles is avoided and a long service life of a pressure-lubricated transmission is facilitated.

GENERATOR MODULE FOR HARVESTING ENERGY FROM WIND TURBINE BLADE ROTATION FOR INTERNAL BLADE FAULT DETECTION AND MONITORING

Absstract of: LV16067A

A generator module for harvesting energy from wind turbine blade rotation is disclosed. The module is installed inside a turbine blade at a selectable distance from the hub and comprises a generator, a gearbox for optimizing power conversion, and a mounting structure. An oscillating mass interacts with an adjustable spring mechanism, which compensates for centrifugal and gravitational forces based on the installation position. Rotational amplitude limits constrain the oscillating mass, ensuring controlled oscillations that drive the generator. A sensor system, including an accelerometer, detects rotational speed, and a controller dynamically adjusts spring stiffness via an actuator mechanism to maintain optimal energy harvesting efficiency. The system further integrates a fault detection and monitoring device powered by the generator module, comprising sensors to detect blade damage and a communication module for real-time data transmission. The invention enables autonomous monitoring and predictive maintenance without external power sources, improving turbine reliability and operational efficiency.

风力发电机辐板轴的制造工艺及装置

Absstract of: CN122938546A

本发明提供一种风力发电机辐板轴的制造工艺，包括如下步骤：S1：选材及预热处理；S2：复合锻造：对坯料进行复合锻造；S3：热处理：对锻造后的材料进行热处理；S4：粗加工：对热处理后的材料进行粗加工，得到主轴和辐板，并在辐板与主轴的待焊部位加工出定位面和定位孔；S5：预装配及焊接：对辐板和主轴进行装配，采用焊接工装进行夹紧并焊接；S6：焊接后处理：对焊接好的辐板轴进行时效处理和表面强化处理；S7：质量检测：对后处理过的辐板轴进行质检；S8：后加工：对合格的辐板轴进行后加工，获得成品。本发明通过双温区复合锻造将晶粒细化至6级以上，再经正火、回火处理优化了材料的低温韧性，使辐板轴能够可靠服役于‑40℃以下的严寒环境。

一种风电机组迁移故障预警诊断方法、系统、设备及介质

Nº publicación: CN122946792A 20/10/2026

Applicant:

中国华能集团清洁能源技术研究院有限公司

Absstract of: CN122946792A

本申请属于风电机组状态监测技术领域，提供了一种风电机组迁移故障预警诊断方法、系统、设备及介质，该方法包括：获取源风场的历史运行数据、故障标签及检修确认数据，以及目标风场的实时运行数据、故障样本和健康样本；基于源数据构建源域故障表征模型；计算源域与目标域的跨域差异度量值，与阈值比较以确定迁移强度和迁移策略；基于目标风场的故障样本构建目标域故障原型、健康样本构建健康工况基线；据此对源域模型进行迁移训练，得到目标域故障预警诊断模型；将实时运行数据输入模型，输出故障风险概率、故障类型、预警等级和诊断置信度；利用后续检修确认结果对模型进行闭环更新。本申请能够提高风电机组早期故障预警准确性。