Alerta

DISPLACEMENT APPARATUS

Resumen de: EP4822175A1

0001 The invention describes an apparatus (1) for moving a wind turbine gearbox (24) along a bedplate (22) of a wind turbine installation (2), comprising a pair of torque arm supports (10L, 10R), wherein each torque arm support (10L, 10R) is adapted for connection to the bedplate (22) and for installation about a torque arm (24L, 24R) of the gearbox (24); and a means (11) of effecting a displacement (Δ24) of the gearbox (24) relative to the torque arm supports (10L, 10R). The invention further describes a method of moving a wind turbine gearbox (24) along a bedplate (22) of a wind turbine installation (2), which method comprises providing such an apparatus (1) and actuating the displacement means (11) to effect a displacement (Δ24) of the gearbox (24) along the bedplate (22).

DESIGNING A WIND TURBINE COMPONENT IN ACCORDANCE WITH A DESIGN LOAD DETERMINED BASED ON WIND TURBULENCE LEVEL

Resumen de: EP4822578A1

A method (20) of designing a wind turbine component, comprising, for each of a plurality of defined quantiles of a turbulence distribution describing wind turbulence level at a given wind speed (201), determining (202) the turbulence level at the respective defined quantile, simulating (203) wind turbine operation with the determined turbulence level, determining (204) a fatigue loading level experienced by the wind turbine at the determined turbulence level, and applying (205) a defined probability to the determined fatigue loading level to obtain a weighted fatigue loading level. These weighted fatigue loading levels are combined to obtain (206) an overall fatigue loading level for the given wind speed. The process is repeated for different wind speeds, and a design load for fatigue loading of the wind turbine is determined (208) based on the overall fatigue loading levels for different wind speeds. A wind turbine component is designed (209) in accordance with the determined design load.

SYSTEM AND METHOD FOR MITIGATING VIBRATIONS ON A WIND TURBINE IN A NON-OPERATING STATE

Resumen de: EP4822176A1

0001 A system and method for mitigating vibrations in one or more rotor blades of a wind turbine when the wind turbine is in a non-operating state is presently disclosed. The method includes receiving a vibration signal indicative of vibrations occurring on or potentially occurring on the one or more rotor blades. The method also includes determining that the vibration signal is above a vibration threshold. Further, the method includes continuously pitching the one or more rotor blades back and forth across a pitch angle range for a certain time period so as to mitigate the vibrations.

METHOD FOR ASSEMBLING MULTIPLE INFLATABLE SCRUTON SPIRALS, METHOD FOR DISASSEMBLING MULTIPLE INFLATED SCRUTON SPIRALS, TOWER, AND WIND TURBINE

Resumen de: EP4822171A1

Verfahren zur Montage mehrerer aufblasbarer Scruton-Wendeln (1, 1', 1", 1‴) an einer Turmsektion (2) für einen Turm (102), insbesondere an einer Turmsektion (2) für einen Turm (102) für eine Windenergieanlage (100), wobei sich die Turmsektion (2) entlang einer Längsachse (L) zwischen einem oberen Turmsektionsende (2a) und einem von dem oberen Turmsektionsende (2a) verschiedenen unteren Turmsektionsende (2b) erstreckt und die mehreren Scruton-Wendeln (1, 1', 1", 1‴) sich jeweils zwischen einem oberen Wendelende und einem unteren Wendelende erstrecken und jeweils mehrere miteinander verbundene oder verbindbare, aufblasbare Störkörper (10) aufweisen, das Verfahren umfassend die Schritte: Befestigen eines oberen Befestigungsgurtes an dem oberen Turmsektionsende (2a) oder im Bereich des oberen Turmsektionsendes, so dass der obere Befestigungsgurt (3) die Turmsektion (2) quer zur Längsachse (L) in Umfangsrichtung umschließt, Befestigen eines unteren Befestigungsgurtes an dem unteren Turmsektionsende (2b) oder im Bereich des unteren Turmsektionsendes, so dass der untere Befestigungsgurt (4) die Turmsektion (2) quer zur Längsachse (L) in Umfangsrichtung umschließt, Befestigen der mehreren aufblasbaren Scruton-Wendeln (1, 1', 1", 1‴) an dem oberen Befestigungsgurt (3) und dem unteren Befestigungsgurt, so dass die mehreren Scruton-Wendeln (1, 1', 1", 1‴) die Turmsektion (2) spiralförmig umschließen, wobei die Störkörper der mehreren Scruton-Wendeln (1, 1', 1", 1�

VIBRATION ABSORBER ARRANGEMENT FOR REDUCING THE TRANSMISSION OF VIBRATIONS AND METHOD FOR DESIGN THEREOF

Resumen de: EP4822173A1

Die Erfindung betrifft eine Schwingungstilgeranordnung (40) für einen Turm (10) einer Windenergieanlage (1) mit mindestens zwei Tilgergruppen (41a, 41b, 41c, 41d, 41e), die in einem Endabschnitt (12) des Turms (10) für eine Windenergieanlagen-Gondel (20) angeordnet sind und je eine Vielzahl von Schwingungstilgern (42a, 42b, 42c, 42d, 42e) an einer Umfangswand (14) des Turms (10) umfassen. Die Tilgergruppen (41a, 41b, 41c, 41d, 41e) weisen unterschiedliche Eigenfrequenzen auf. Die Schwingungstilger (42a, 42b, 42C, 42d, 42e) haben je eine Tilgermasse (51), eine elastische Steifigkeit (52) und ein Dämpfungselement (53). Abstände (CS) benachbarter Schwingungstilger (42a, 42b, 42c, 42d, 42e) der gleichen Tilgergruppe (41a, 41b, 41c, 41d, 41e) entlang der Umfangsrichtung (CD) betragen UW/2 * UF, wobei UW eine Umfangs-Wellenlänge für eine Biegeeigenform der Umfangswand (14) in Umfangsrichtung (CD) ist, deren Eigenfrequenz einer Referenzfrequenz F1 am nächsten ist, und jeweils 0 < UF <= 1 ist. Alternativ oder zusätzlich betragen Abstände (LS) benachbarter Tilgergruppen (41a, 41b, 41c, 41d, 41e) entlang einer Längsrichtung (LD) LW/2 * LF, wobei LW eine Längs-Wellenlänge für eine Biegeeigenform der Umfangswand (14) in Längsrichtung (LD) ist, deren Eigenfrequenz der Referenzfrequenz F1 am nächsten ist, und LF jeweils 0 < LF <= 1 ist. Die Erfindung betrifft auch ein Verfahren zur Auslegung einer Schwingungstilgeranordnung (40).

RETENTION ASSEMBLY

Resumen de: EP4822199A1

0001 The invention describes a retention assembly (1) for installation on a rotary shaft (20), comprising a retaining ring (11), which retaining ring comprises an essentially cylindrical main body (111) dimensioned to fit about the rotary shaft and a number of flexible elements (113) extending axially from the main body, wherein each flexible element is dimensioned to clear the rotary shaft by a predefined gap (G) when mounting the retaining ring on the rotary shaft, and wherein each flexible element is adapted to bear an arrangement of inwardly-directed projections (12P) shaped to engage with the outer surface (20S) of the rotary shaft; and wherein the retention assembly further comprises a choking ring (13) adapted to exert an inwardly-directed radial force (13F) on the retaining ring during installation of the retention assembly to engage the projections of the flexible elements with the outer surface of the rotary shaft. The invention further describes a drivetrain comprising the inventive retaining assembly and a method of assembling such a drivetrain.

AIRFOILS AND MACHINES INCORPORATING AIRFOILS

Resumen de: EP4821830A2

Various embodiments of an airfoil and machines with airfoils are disclosed. The airfoils include a thicker leading airfoil portion and a thinner trailing airfoil portion. In one embodiment, the leading airfoil portion is formed by bending a body of the airfoil back toward itself. In another embodiment, the leading airfoil portion has a solid geometry and includes two elliptic surfaces. To prevent detachment of airflow, the leading airfoil portion includes at least two arc portions or surfaces that act to direct the airflow down to the trailing airfoil portion in a manner that stabilizes vortexes that may form in the region of changing thickness.

MOORING CABLE FOR TENSION-MOORED FLOATING BODY

Resumen de: EP4821805A1

An object of the present invention is to provide a tension mooring line for a tension moored floating body that can equalize the tension generated in each tension mooring line without adjusting the length of each tension mooring line in each mooring bundle that supports the tension moored floating body, thereby preventing resonance with the off-shore wave period. This object is achieved by providing a mooring line for a tension moored floating body that connects between a connecting part 5b formed on the tension moored floating body and a seabed mooring part 9 fixed to the seabed 103, wherein tension is generated in the tension mooring line 7 by the buoyancy created due to the tension moored floating body 5 being connected by the tension mooring line 7, and the tension moored floating body 5 can be maintained in a tension moored state. The tension mooring line 7 is configured such that a low rigidity mooring line 7b, which has low tensile rigidity calculated by multiplying the Young's modulus of the line material by the cross-sectional area, and a high rigidity mooring line 7a, which has higher tensile rigidity than the low rigidity mooring line 7b, are connected via a connector.

ROTOR HUB HAVING SLOTTED HOLES

Resumen de: WO2025119558A1

The invention relates to a rotor hub (109) comprising a first screwed flange (201) for screwing together with an output shaft or output hub (107) of a gearing (101) of a wind turbine, and further comprising a second screwed flange (203) for screwing together with a rotor (111) of a generator (103) of the wind turbine. The one or more screw holes (209) of the second screwed flange (203) are slotted holes.

DRIVE ASSEMBLY FOR A WIND TURBINE

Resumen de: WO2025119634A1

The invention relates to a drive assembly (101, 201, 301) for a wind turbine, having a main shaft (103), an intermediate piece (105, 303), a main shaft housing (109) and a transmission; wherein the main shaft (103) is supported completely in the main shaft housing (109); and wherein a planetary carrier (107) of the transmission is fixed in the main shaft (103) in a rotationally fixed and self-supporting manner via the intermediate piece (105, 303). The drive assembly (101, 201, 301) has a releasable first joint connection (123) between the intermediate piece (105, 303) and the planetary carrier (107).

A VERTICAL TETHERED AIRCRAFT SYSTEM, METHOD OF OPERATING THE SAME FOR CIRCULAR LAUNCHING, TRANSITION TO FLIGHT AND RECOVERY OF THE AIRCRAFT AND USE THEREOF

Resumen de: WO2025120536A1

The present invention relates to a vertical tethered aircraft system for circular launching, transition to flight and recovery of tethered aircraft which uses the vertical plane to initiate launching and to terminate recovery. The vertical tethered aircraft system comprises a tower (04), a fixed-wing aircraft (01) connected via a tether (02) to an anchorage point (03), wherein the anchorage point (03) is positioned at the top of a tower (04). The invention also refers to a method of operating the vertical tethered aircraft system and use of the same. The invention can be applied to airborne wind energy systems for the generation of electrical energy. It can also be used in other applications of tethered aircraft such as agricultural spraying, or aerial surveillance and monitoring.

A HOLLOW RING FLANGE CONNECTION FOR A WIND TURBINE TOWER

Resumen de: WO2025122118A1

The invention relates to a ring flange with a hollow cross section for connecting tubular sections of wind turbine towers. The invention provides a realistic, easy to fabricate and structurally efficient circumferential connection between tubular sections of wind turbine towers which is particularly suitable for towers with very large height. The hollow ring flange according to the invention can be employed in a similar manner to the conventional solid ring flanges while avoiding the need for prohibitively thick flange plates associated with increased tower height and swept area. As a result, the hollow ring flange allows flange weight savings, bringing direct and indirect benefits with respect to overall cost, increases procurement alternatives needed for the sustainability of the supply chain.

BLADE, WIND TURBINE, AND MOUNTING METHOD FOR BLADE HEATING PREFABRICATED COMPONENT

Resumen de: EP4822174A1

0001 The present application relates to a heating portion, a heating prefabricated member, a deicing device, a blade, a wind turbine generator set and a mounting method of a heating prefabricated member of a blade. The heating prefabricated member includes the heating portion and a first protective portion, the first protective portion and the heating portion are stacked, the first protective portion covers the heating portion, the heating prefabricated member is connected to the blade through the heating portion, and the heating portion is configured to provide heat to the blade.

一种适用于沙漠定日镜场的集成风力发电的防护挡风墙结构

Resumen de: CN122899126A

本发明公开了一种适用于沙漠定日镜场的集成风力发电的防护挡风墙结构，属于风力发电的技术领域。该结构包括沿沙漠定日镜场周边间隔布置的多个支撑墙体单元、用于连接支撑墙体单元的多个双层横梁单元，以及多个风力发电机。支撑墙体单元包括嵌入沙土中的地基单元，以及安装于地基单元上的墙体单元，墙体单元的横截面为流线型结构，地基单元和墙体单元内均预埋有输电线缆；风力发电机安装于双层横梁单元上，双层横梁单元内也预埋有输电线缆，风力发电机吸收风能并发电，其生成的电能依次通过双层横梁单元、墙体单元和地基单元内的输电线缆传输至外部电网或储能系统进行利用。本发明提高发电效率的同时降低了土地占用。

一种带尾流优化装置的风力发电机

Resumen de: CN122899654A

本发明涉及风力发电机领域，且公开了一种带尾流优化装置的风力发电机，包括风力发电机本体以及等角度安装于其轴体上的叶片，所述叶片的一侧为吸力面，另一侧为压力面，叶片的叶尖靠近其吸力面一侧开设有收纳腔，收纳腔的内部设置有尾流调控组件和射流调控组件，尾流调控组件包括设置于收纳腔内侧的小翼，射流调控组件包括等距设置于收纳腔远离叶片吸力面一侧内壁上的喷嘴，本发明，通过小翼向外斜向展开后阻断叶片压力面向吸力面的跨尖绕流，对叶尖泄漏涡形成机械分割，而高速气流从喷嘴喷出直接冲击叶尖泄漏涡涡核，扰动涡旋内部流场，促进集中大涡快速溃散，实现双重尾流优化作用，提高尾流优化效果。

一种混塔结构安全预警规则动态调整方法及系统

Resumen de: CN122903874A

本发明涉及数据处理领域，尤其涉及一种混塔结构安全预警规则动态调整方法及系统，方法包括：同步获取混塔倾斜原始数据与风速数据并进行降采样处理，输出状态观测输入和环境风速测量值；将状态观测输入引入卡尔曼滤波器，根据预设的混塔结构设计寿命特征确定过程噪声方差参数，输出时变基准漂移位移值；根据二者差值确定倾斜净残差，以环境风速测量值的平方为动能权重，对设定时间窗内的倾斜净残差的绝对值动态加权，输出工况动态波动度；以预设的混塔结构振幅极限值与工况动态波动度的比值的平方根，作为离散倍数参数的动态修调值，得到动态自适应约束预警限值以更新预警规则。本发明能精准剥离材料长周期漂移。

一种用于风电机组主轴窜动抑制的液压执行装置

Resumen de: CN122899667A

本发明涉及风力发电设备技术领域，公开了一种用于风电机组主轴窜动抑制的液压执行装置，包括测量与反馈单元、驱动控制单元、液压执行单元和结构适配单元。测量与反馈单元用于检测主轴轴向位移、液压执行单元位移及风电机组运行状态；驱动控制单元根据检测结果控制液压执行单元动作；液压执行单元通过推力作用结构向风轮锁盘施加轴向推力，并由风轮锁盘带动主轴进行轴向位置调节；结构适配单元包括浮动低摩擦结构和行程限位结构，用于降低液压执行单元受到的侧向载荷并限制其运动行程。本发明能够实现主轴轴向窜动的主动抑制，提高风电机组运行稳定性。

风力发电控制方法、装置、设备及计算机可读存储介质

Resumen de: CN122899645A

本申请公开了一种风力发电控制方法、装置、设备及计算机可读存储介质，涉及风力发电控制技术领域，该方法包括：获取风力发电机在当前环境下的多源数据，多源数据包括真实环境温度、机舱内部温度和机组表面热成像数据；依据机舱内部温度和机组表面热成像数据确定风力发电机的温度关注区域，并依据真实环境温度确定温度关注区域的自适应温控阈值；依据温度关注区域的部件区域温度和自适应温控阈值确定风力发电机的风机温控策略，并依据风机温控策略对温度关注区域进行温控调节，本申请旨在提高风力发电机在复杂多变环境下的温控自适应能力。

一种风电机组振动状态在线监测与智能诊断系统

Resumen de: CN122899668A

本发明涉及风电机组故障诊断技术领域，尤其涉及一种风电机组振动状态在线监测与智能诊断系统，包括：数据采集模块；第一诊断模块，用以针对目标风电机组执行振动状态诊断的诊断方式；状态判定模块，用以在处于失稳工作状态时，将诊断方式由振动状态诊断调整为采样点扰动诊断；第二诊断模块，用以根据一类采样点占比判定风电机组存在异常或基于相位差累积量和异常点占比确定是否进行特征段落分析；特征段落分析模块，用以根据各特征段落的相位差振荡系数确定风电机组是否存在异常；预警输出模块。本发明能够提高风电机组异常识别精度与诊断可靠性。

一种海上风力发电机组短时域经济模型预测控制方法

Resumen de: CN122899650A

本发明公开了一种海上风力发电机组短时域经济模型预测控制方法，属于风力发电控制策略领域。该方法通过建立变速风力发电机组的状态空间模型和经济阶段代价函数，构建短时域经济模型预测控制优化问题。其核心在于，利用强化学习离线训练一个参数化的终端价值函数，以近似无限时域的经济代价，并将其嵌入短时域优化问题中。在线控制时，仅需有限风速预览信息，通过滚动求解该优化问题实现闭环控制。本发明在降低在线计算负担、满足实时控制要求的同时，有效补偿了有限预测时域下缺失的长时域经济信息，从而在提高风能捕获效率、降低结构疲劳载荷方面取得了优异的综合性能。

一种风电叶片防除冰处理方法

Resumen de: CN122899676A

本发明涉及风电叶片维保技术领域，且公开了一种风电叶片防除冰处理方法，包括以下步骤：S1：构建多维度工况感知网络，实时采集叶片覆冰参数、环境参数及机组运行参数，所述覆冰参数包括叶片不同区域的覆冰厚度与覆冰类型，环境参数包括空气密度、环境温度及空气中液态水相关参数，机组运行参数包括叶片转速与叶根载荷；S2：基于采集的参数构建工况判定模型，输出防除冰触发信号及协同控制策略，所述协同控制策略包括防冰模式与除冰模式。该风电叶片防除冰处理方法，能够通过超声振动、梯度电热与气动扰流的多场耦合协同，结合叶片不同区域覆冰特性的差异化调控，相比现有单一技术或简单组合技术，显著提升了防除冰效率。

一种偏航工况下风力机噪声约束的变速变桨协同优化方法

Resumen de: CN122899648A

本发明涉及风力发电的技术领域，具体为一种偏航工况下风力机噪声约束的变速变桨协同优化方法，包括如下步骤：一、建立偏航工况下风力机气动噪声计算模型，将叶片沿展向分段，分别计算不同位置的气动噪声并合成整机噪声；二、选取风力机转速ω与桨距角β为协同控制变量；三、构建多目标函数，通过权重系数调整各目标优先级；四、设置约束条件；五、针对不同偏航角γ的多种工况，采用智能优化算法进行迭代寻优，得到最优运行参数组合；六、将最优运行参数组合传输至风力机控制系统，实时调节机组运行状态。本方案可在多变偏航工况下持续稳定实现风力机降噪，均衡兼顾降噪效果、发电收益与机组运行安全，方案实施成本低、难度小，适用性强。

玄武岩纤维风电叶片及其制备方法

Resumen de: CN122899639A

本发明涉及风电叶片加工技术领域，公开了玄武岩纤维风电叶片及其制备方法，包括轮毂和叶片组件，所述叶片组件固定装配于轮毂外侧且呈环形等距分布，所述叶片组件设置有不少于三组，所述叶片组件内部固定安装有内部加固组件，所述叶片组件包括叶片、叶根、叶片前缘、对接贴合面、玄武岩纤维预制防护条、定位凸台、卡合凹槽和拆装操作槽，所述叶片沿展向两侧分别设置有叶片前缘和叶片后缘。本发明中，采用玄武岩缝编网格层间增韧结构，在不改变主梁主体承力结构的前提下，显著提升梁帽层间断裂韧性，有效阻滞交变载荷下的层间裂纹扩展，解决了传统玄武岩叶片主梁易分层、抗疲劳性能差的技术难题，大幅提升叶片服役寿命。

一种基于多级文丘里聚风增速的自保护风力发电系统

Resumen de: CN122899641A

本发明涉及风力发电技术领域，公开了一种基于多级文丘里聚风增速的自保护风力发电系统，包括聚风增速系统、发电系统、增压系统和自保护控制系统；所述聚风增速系统包括沿气流方向依次连通的第一进风筒、第二进风筒和第三罩体，相邻进风筒之间通过连接筒固定连接，所述连接筒内设有文丘里式增速筒；所述发电系统包括设置于第三罩体内的发电机；所述增压系统包括增压风机、分风箱、送风管、出风口和回风管。本发明采用两级文丘里式增速筒物理结构，可实现逐级聚风增速，对进入系统内部的气流进行加速放大，相比传统单级聚风结构，风速提升倍率更高，能够充分利用自然弱风，显著改善低风速条件下发电能力不足的问题。

一种风电机组多部件异常传播溯源与分级预警方法及系统

Nº publicación: CN122903836A 13/10/2026

Solicitante:

兰州理工大学

Resumen de: CN122903836A

本发明公开了一种风电机组多部件异常传播溯源与分级预警方法及系统，涉及风力发电设备状态监测技术领域。该方法包括构建关键部件健康指标序列，划分工况单元，建立各部件的健康基准与残差尺度统计量，计算工况归一化热平衡残差；基于残差幅值、变化率和持续时间识别残差异常事件；根据源部件异常事件相对目标部件异常响应确定候选传播关系；通过三约束反事实传播验证，屏蔽或削弱源部件异常事件后目标部件传播风险分数的差值作为异常传播贡献量，对候选传播边进行确认、排序和筛选；构建反事实验证异常传播图，识别异常传播链，计算综合风险分数并输出结果。本发明能够区分同步相关与真实传播关系，提高异常溯源和分级预警的准确性与可解释性。