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VERTICAL-AXIS WIND TURBINE CONTROL

Resumen de: EP4696883A1

A lift-type VAWT (10), comprises a rotor (12), a generator, a drive train for transmitting mechanical power from the rotor to the generator (20), a braking system including an eddy-current brake (22) and at least one friction brake (24), and a control system (36). The drive train comprises a primary shaft (14) carrying the rotor, a secondary shaft (18) connected to the generator, and a transmission (16) connecting the primary to the secondary shaft. The control system monitors one or more operating parameters of the generator and retards the secondary shaft by regulating the braking power of the eddy-current brake depending on the monitored operating parameters of the generator. The control system further monitors operating parameters of the eddy-current brake and activates the friction brake(s) to bring the rotor to a halt when stopping of the wind turbine is mandated.

ASSEMBLY OF A ROTOR OF AN ELECTRICAL MACHINE

Resumen de: EP4697572A1

It is described a method and arrangement (1) for mounting a stiffening ring (2), in particular brake disk, to a rotor house (3) of an electrical machine, comprising: a carrier frame (4) equipped with a driving system (5) adapted to move along a circumference (6) of the rotor house (3); at least one fastening device (10) mounted at the carrier frame (4), the fastening device comprising a torque spindle and being adapted to fasten a bolt (37) through a stiffening ring hole (11) into a hole in the rotor house (3).

PULTRUDED PLANK, SPAR CAP, WIND TURBINE BLADE, AND PULTRUSION PREPARATION PROCESS

Resumen de: MX2025011983A

The present application discloses a pultruded plank, a spar cap, a wind turbine blade, and a pultrusion preparation process. The pultruded plank comprises a pultruded core and a coated interface layer. The pultruded core is made with reinforced fibers impregnated with a core resin. The interface layer is made with an interface resin present on at least one surface of the pultruded core, and allows the pultruded plank to be wound and packaged after manufacturing. The interface resin contains an isocyanate resin and a polyester resin, and the mass ratio of the isocyanate resin to the polyester resin is 1:3~2:3. The surface of the interface layer forms a bonded surface on the pultruded plank, and the bonded surface is used to form a bonding interface between at least two pultruded planks.

TRANSMISSION SHAFT FOR A PLANETARY TRANSMISSION

Resumen de: WO2024213479A1

The invention relates to a transmission shaft (32) for a planetary transmission, having a first coupling point (30) for introducing a torque and a second coupling point (52) for outputting the torque, wherein a path of a torque flow extending from the first coupling point to the second coupling point is formed and the axial portions of the path along which the torque flow flows are greater than an axial distance between the first coupling point and the second coupling point, wherein a freely oscillating shaft end is formed in a common axial subregion in which the torque flow flows on different radii in opposite axial directions. Due to the extended path of the torque flow (54), the stiffness and the natural frequency of an oscillatory overall system having the transmission shaft (32) can be reduced, thereby allowing disruptive oscillations in a planetary transmission to be reduced.

LIGHTNING STRIKE PROTECTION SYSTEM

Resumen de: CN120936801A

A pitch-controlled wind turbine comprising a tower, a nacelle mounted on the tower, a hub rotatably mounted on the nacelle, and at least three wind turbine blades wherein each wind turbine blade extends between a root end and a tip end, the root end being connected to the hub via a pitch mechanism; the wind turbine further comprises at least three blade connection members, each blade connection member extending from a connection point on one wind turbine blade towards a connection point on an adjacent wind turbine blade, wherein the connection points on a given wind turbine blade are arranged at a distance from the root end of the wind turbine blade and at a distance from the tip end of the wind turbine blade; each wind turbine blade comprising an outboard portion extending the distance from a tip end of the wind turbine blade to the connection point, and an inboard portion extending the distance from a root end of the wind turbine blade to the connection point; wherein the wind turbine further comprises a lightning strike protection system, and each blade connection member has an electrically conductive material configured to conduct lightning current from an outboard portion of the wind turbine blade from which the connection member extends and along a path extending with the blade connection member towards the tower.

METHOD FOR OPERATING A WIND TURBINE

Resumen de: EP4697545A2

Die Erfindung betrifft ein Verfahren zum Steuern wenigstens einer Windenergieanlage (100), wobei die wenigstens eine Windenergieanlage (100) zum Einspeisen elektrischer Leistung in ein elektrisches Versorgungsnetz (120) vorbereitet ist, und abhängig von einem Leistungsangebot in dem elektrischen Versorgungsnetz (120) elektrische Wirkleistung in das elektrische Versorgungsnetz (120) eingespeist wird oder elektrische Wirkleistung aus dem elektrischen Versorgungsnetz (120) entnommen und wenigstens einem elektrischen Verbraucher der wenigstens einen Windenregieanlage (100) zugeführt wird, und abhängig einer weiteren Zustandsgröße des elektrischen Versorgungsnetzes (120) elektrische Blindleistung in das elektrische Versorgungsnetz (120) eingespeist wird oder elektrische Blindleistung aus dem elektrischen Versorgungsnetz (120) entnommen wird.

DAMPENING SYSTEM AND METHOD FOR WIND TURBINE INSTALLATION

Resumen de: EP4696885A2

The invention relates to a Damping system (1) for damping a movement of a tower (2) of a wind turbine (3), comprising a string (4) for being attached to the tower (2) for applying a pulling force to the tower (2). The damping system (1) further comprises a pulling device (5) for providing a defined pulling force onto the string (4) and a controlling device (6) for controlling the pulling device (5). The invention further relates to a method for damping a movement of a tower (2) of a wind turbine (3).

A PITCH CONTROLLED WIND TURBINE WITH BLADE CONNECTING MEMBERS

Resumen de: EP4696882A2

A pitch controlled wind turbine (1) comprising a tower (2), a nacelle (3) mounted on the tower (2), a hub (4) mounted rotatably on the nacelle (3), and at least three wind turbine blades (5) is disclosed. Each wind turbine blade (5) extends between a root end (10) connected to the hub (4) via a pitch mechanism, and a tip end. The wind turbine (1) further comprises at least three blade connecting members (6), each blade connecting member (6) extending between a connection point (7) on one wind turbine blade (5) and a connection point (7) on a neighbouring wind turbine blade (5), the connection points (7) being arranged at a distance from the root end (10) and at a distance from the tip end of the wind turbine blade (5). The wind turbine (1) further comprises at least three pre-tension members (8), each pre-tension member (8) being connected to one of the blade connecting members (6) and to a hub part (4, 9, 26), the pre-tension members (8) thereby providing pre-tension in the blade connecting members (6).

ROTATING CONDUCTIVE APPARATUS AND POWER SOCKET

Resumen de: EP4697527A1

Disclosed in the present invention are a rotating conductive apparatus and a power socket. The rotating conductive apparatus comprises a conductive assembly, an elastic apparatus, a position limiting apparatus and a wire, the conductive assembly comprising a conductive shaft, a conductive carrier and a conductive base. A current first flows through the conductive base, the conductive base then electrifies the conductive shaft, the conductive shaft then transmits the current to the conductive carrier, and the conductive carrier can rotate around the conductive shaft. The wire is electrically connected to the conductive carrier, the wire rotates around the conductive shaft by means of the conductive carrier to achieve winding, and the conductive carrier can stably input and output the current to the wire. The elastic apparatus is responsible for winding the wire, and the position limiting apparatus is responsible for limiting the length of the wire drawn out. Compared with structures of follow-up circuit boards and conductive plates, the structural hardness of the conductive shaft is higher than that of a fixed circuit board, and the bearable contact friction force between the conductive shaft and the conductive carrier is greater than the bearable contact friction force between a circular conductive rail and a metal contact member, thereby effectively prolonging service life of products.

用于风力发电机组的润滑装置、系统和风力发电机组以及控制方法

Resumen de: CN121539457A

本发明公开了一种用于风力发电机组的润滑装置、系统和风力发电机组以及控制方法，包括壳体、吸附单元和涂油单元，壳体朝向齿轮的一侧敞开，吸附单元和涂油单元分别安装在壳体的内部上侧，壳体的底部设置有集油槽，吸附单元包括吸附轴和吸附齿轮，吸附齿轮转动安装在吸附轴上，吸附轴与壳体安装固定；涂油单元包括供油轴和抹油齿轮，抹油齿轮转动安装在供油轴上，供油轴与壳体安装固定。本发明通过吸附单元对偏航轴承外圈齿轮上的润滑油进行吸附收集，通过涂油单元对偏航轴承外圈齿轮涂抹新的润滑油，通过集油槽收集流至塔筒的润滑油，从而综合解决了吸附沙尘的旧润滑油不便于回收、塔筒的上的润滑油不便于清洁的问题。

一种带预应力紧固的分片式塔筒

Resumen de: CN121539443A

本发明涉及分片式塔筒技术领域，尤其是提供了一种带预应力紧固的分片式塔筒，包括第一片体、第二片体，以及用以将所述第一片体和所述第二片体对接在一起的紧固机构，所述第一片体和所述第二片体的对接端设有对接部，两所述对接部的中部开设有一个直向紧固槽和两个斜向紧固槽，所述紧固机构包括定位块，所述定位块的两侧固定有侧向用力板，所述定位块垂直插入所述直向紧固槽内，并将两侧向用力板分别夹紧在两所述对接部的两侧，使锁紧力沿对接部长度方向连续分布，以确保第一片体和第二片体在不需要螺栓的前提下也能够完成连接。

一种桁架塔对既有风机基础增容改造的方法

Resumen de: CN121539008A

本发明涉及一种桁架塔对既有风机基础增容改造的方法，包括拟定桁架塔与原风机塔筒的夹角，获取各个新增桁架塔基础的施工位置,以及，获取桁架塔转换平台和原风机塔筒的载荷；基于桁架塔转换平台和原风机塔筒的载荷，获取第一新增桁架塔基础上桁架塔的斜撑反力、第三新增桁架塔基础上桁架塔的斜撑反力和斜撑反力作用直径，并以斜撑反力作用直径为基准，获取桩基的设计载荷；在原风机基础底板外施工桩基，在桩基上施工新增桁架塔基础；在原风机基础台柱上施工桁架塔转换平台和新风机塔筒，及桁架塔转换平台与桁架塔的施工，即完成施工。有益效果为：最大限度利用了原风机基础，节省造价，更加环保；确保了后期使用的稳定性。

基于多模态数据的风电机组叶片故障检测方法

Resumen de: CN121539448A

本发明涉及故障检测技术领域，公开了基于多模态数据的风电机组叶片故障检测方法，包括：获取叶片前缘线数据与叶片预设功率数据，根据所述预设功率数据生成第一功率曲线；基于所述前缘线数据与第一功率曲线，将叶片划分为多个截面段；计算各个截面段的实时扭矩曲线与实时应变数据；将所述实时扭矩曲线与预设扭矩曲线对比，获得第一检测结果；根据第一检测结果与实时应变数据生成第二检测结果；根据所述第一检测结果与第二检测结果制定应对策略。

一种风力发电机组螺栓断裂检测方法及装置

Resumen de: CN121539445A

本发明涉及螺栓断裂检测技术领域，提出了一种风力发电机组螺栓断裂检测方法及装置，包括获取待测螺栓的周围磁场信号；基于地磁场对检测的磁场信号进行修正，得到修正后的磁场值；基于当前修正后的磁场值，计算当前时刻相对于上一时刻的磁偶极子强度变化梯度，当磁偶极子强度变化梯度超出设定值，判定为出现异常缺陷；当存在异常缺陷，针对当前修正后的磁场值，基于获取的频谱能量比计算断裂特征提取与诊断，得到当前缺陷的异常扩展阶段。通过采集并修正磁场信号，计算磁偶极子强度变化梯度识别异常，再结合频谱能量比诊断断裂阶段，实现对螺栓断裂的早期在线监测。该方法具备高灵敏度、强抗干扰能力，适用于风电环境下的智能化监测。

在风力发电机组传动装置的输出端处的配合齿部的润滑

Resumen de: WO2025031678A1

The invention relates to a wind turbine gearbox arrangement comprising a housing (101), an output shaft (103), a bearing arrangement (105), an intermediate shaft (107) and a transfer means (123) for lubricant; wherein the output shaft (103) and the intermediate shaft (107) each have a tooth system; wherein the tooth systems of the output shaft (103) and the intermediate shaft (107) form a spline (109); wherein the housing (101) has an extension (111) extending on the generator side; and wherein the output shaft (103) is supported in a rotatable manner in the extension (111) by means of the bearing arrangement (105). The output shaft (103) and the extension (111) each have one or more lubricant lines (117, 119, 127, 129, 131, 135); wherein the transfer means (123) interconnects the lubricant lines (117, 119) of the extension (111) and the lubricant lines (127, 129, 131, 135) of the output shaft (103) in a lubricant- and pressure-conducting manner; and wherein the lubricant lines (127, 129, 131, 135) of the output shaft (103) are connected to the spline (109) in a lubricant- and pressure-conducting manner.

用于风力涡轮机转子叶片的锯齿状面板

Resumen de: WO2025021375A1

A serrated panel for a trailing edge of a wind turbine rotor blade comprising: • at least two teeth, each tooth having a tip, a base, a length measured in a chordwise direction between the base and the tip, a width measured at the base, wherein the length is larger than the width, and two edges running from the tip to the base, each edge having a tip end-section extending from the tip to an intermediate point of the edge, and a main section extending from the intermediate point towards the base, and • a plurality of tines arranged side by side in a chordwise direction, each tine beginning at one of said edges and extending rearwards, • all tines beginning in one of said main sections have the same, first length, which is between 20 % and 60 % of the length of the respective tooth, and all tines beginning in one of said tip end-sections are shorter than the first length.

一种结合部件剩余寿命评估的风电机组智能检修系统

Resumen de: CN121539454A

本发明属于风电运维技术领域，公开了一种结合部件剩余寿命评估的风电机组智能检修系统，包括感知边缘层、场站协同层、云端智能中心、执行与安全联锁层以及可信存证层。系统通过边缘层采集机组运行与环境数据，经场站协同层汇聚后输入云端智能中心进行多域退化建模与寿命预测，并基于综合代价优化模型确定检修窗口与资源调度方案。云端中心通过联邦学习机制实现跨场站模型共享与自学习，执行层完成检修任务与安全闭锁控制，可信存证层对关键数据进行区块链摘要存证。该系统实现了风电机组的健康状态评估、智能检修决策及全过程可信追溯，提升运维安全性与经济性。

一种山地矿区多能互补与生态修复方法

Resumen de: CN121539425A

本发明提供了一种山地矿区多能互补与生态修复方法，属于山地矿区生态修复技术领域；所述方法包括以下步骤：对矿区进行资源勘察与集成设计；构建以山上水库、露天矿坑、采空区地下水库为核心的水资源循环系统；建设包含水力、光伏、风力、火力发电及多级抽水蓄能单元的多能互补能源系统；布设光伏板与智能灌溉系统，并通过中央控制平台实现电能、热能、水资源与生态修复的智能协同调控；本发明将矿区地形、地下空间、水资源与多种清洁能源有机结合，构建“水‑能‑生态”闭环系统，实现了废弃矿区的资源化利用、能源自给与生态可持续修复，提升了资源综合利用效率与系统自维持能力。

一种风力发电机转子铁芯表面缺陷识别方法及系统

Resumen de: CN121544618A

本发明涉及机器视觉与风电检测技术领域，公开了一种风力发电机转子铁芯表面缺陷识别方法及系统，所述方法包括采集转子铁芯表面原始图像并进行灰度映射，得到单通道灰度图像；对单通道灰度图像进行频域周期纹理抑制与带对比度限制的局部直方图均衡处理，得到增强特征图像；针对增强特征图像构建背景拟合模型并进行差分运算，得到背景差分图像；根据背景差分图像进行自适应分割与基于纹理方向的形态学精炼，得到精炼后的缺陷连通域；提取局部灰度分布并进行亚像素级几何特征计算，得到缺陷几何属性数据；根据数据进行空间聚类与分级评估，确定最终缺陷分布图谱。本方法能够有效抑制周期性纹理干扰，实现微小缺陷的亚像素级精准定位与智能分级。

用于密封变桨管的装置

Resumen de: WO2025026632A1

Proposed is a seal assembly (101, 201, 301) for a pitch tube (103) of a wind turbine gearbox. The seal assembly (101, 201, 301) has at least one axial shaft sealing ring (111) and at least one circular-ring-shaped counterpart running surface that is rotatable relative to the axial shaft sealing ring (111), wherein the pitch tube (103), the axial shaft sealing ring (111) and the counterpart running surface are oriented coaxially with respect to one another, and wherein at least one sealing lip of the axial shaft sealing ring (111) is braced axially against the counterpart running surface.

移动-固定组合监测的风电结构全域姿态与应力反演方法

Resumen de: CN121543459A

本发明公开了一种移动‑固定组合监测的风电结构全域姿态与应力反演方法，属于风力发动机技术领域，包括离线模型训练步骤和在线实时反演步骤；离线模型训练步骤包括：S11、获取离线数据；S12、训练加速度转换模型；S13、训练加速度‑位移转换模型；S14、训练位移‑弯矩转换模型；在线实时反演步骤包括：S21、在线获取参考加速度数据；S22、根据参考加速度数据计算风机的位移以及目标位置的弯矩；S23、根据目标位置的弯矩计算应力。本发明的方法，实现了仅需固定设置一固定加速度检测装置，一个可移动式加速度检测装置，即可实现风机全域姿态与应力的反演，硬件成本低。可实现对风机全域动态姿态和内部应力状态的低成本、高精度、高保真实时反演。

一种以降低疲劳载荷为目标的风电场转矩与变桨协同控制方法

Resumen de: CN121539431A

本发明涉及降低疲劳载荷技术领域，具体地说，涉及一种以降低疲劳载荷为目标的风电场转矩与变桨协同控制方法。其包括以下步骤：获取风电场内各风机的实时与历史运行数据，并对运行数据进行预处理；基于预处理后的运行数据，提取反映结构疲劳的载荷特征指标，构建反映风机当前疲劳累积趋势的载荷状态向量；基于载荷状态向量建立发电机转矩与变桨角对转速响应及疲劳载荷影响的耦合模型，用于反映转矩调节对低频载荷的影响机理以及变桨调节对高频载荷的抑制作用。本发明通过构建融合低频机械载荷与高频气动激励的载荷状态向量，并结合雨流计数与等效损伤理论，精准识别对主轴、传动链、塔架及叶根等关键部件疲劳寿命影响最大的载荷成分。

垂直轴风力发电机

Resumen de: CN121539430A

本申请公开了一种垂直轴风力发电机，包括：下支撑柱，用于与安装位置连接；第一连接装置，与所述下支撑柱的连接，所述第一连接装置可相对所述下支撑柱活动；扇叶部，与所述第一连接装置连接；上支撑柱，与所述第一连接装置连接，所述第一连接装置位于所述下支撑柱和所述上支撑柱之间，发电机，与所述上支撑柱连接；第二连接装置，与所述发电机的转动端连接，所述第二连接装置与所述扇叶部连接，风力带动所述扇叶部转动时，使得所述扇叶部通过所述第二连接装置带动所述发电机的转动端转动；能够解决叶片长度受限直接导致整机的风能利用效率和单机发电功率难以有效提升的技术问题。

一种风电机组用高稳固性能的固定塔架

Resumen de: CN121539442A

一种风电机组用高稳固性能的固定塔架，包括底架，其特征在于：底架的下端部处固定套设有底座，底座的上端面固定安装有内设腔体的水箱，水箱套设于底架的外侧壁，底架的上端部处固定套设有储水盒，水箱的外侧壁安装有相对且与储水盒连通的输水管，储水盒的下端面转动安装有与储水盒连通的转动盒，转动盒的下端面安装有多个喷水管，储水盒的侧壁设有转动组件，转动组件用于驱动转动盒进行往复转动；转动盒的外侧壁设有清洁组件，转动盒转动用于带动清洁组件对底架外侧壁的颗粒物进行清理；通过上述构造，使得通过调节组件驱动防护板进行移动，使防护板可对底架形成定向防护，防止碎石撞击底架外侧壁，有效保护底架外壁的防腐层。

一种数字孪生驱动的退役风电机组预测性维护决策系统

Nº publicación: CN121543357A 17/02/2026

Solicitante:

甘肃省安装建设集团有限公司

Resumen de: CN121543357A

本发明涉及风电机组维护决策技术领域，公开了一种数字孪生驱动的退役风电机组预测性维护决策系统。所述系统包括运行数据获取、部件数据分析、数字孪生模型构建、适配兼容度评测与维护决策生成模块。基于运行与部件数据制定核心维护参量及其优先序列；通过融合核心与备选部件材料构建数字孪生模型原型，分析其信号检测特性；依据该模型的耐久性测试数据计算寿命预测当量值，评估其与维护系统的适配兼容度；综合筛选最佳维护材料并生成决策。该方法实现了在虚拟环境中对多种材料替换方案进行联合仿真与兼容性量化评估，可在实际维护前优化信号感知能力与系统匹配程度，从而提升退役机组延寿运维的可行性与决策可靠性。