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ROTOR BLADE COMPRISING ELASTIC ELEMENT, METHOD AND WIND TURBINE

Resumen de: EP4671529A1

Die Erfindung betrifft ein Rotorblatt, ein Verfahren zur Verwendung eines Elastikelements zur Verringerung eines Zackengrundradius zwischen mindestens zwei Serrations eines Rotorblatts sowie eine Windenergieanlage. Es wird ein Rotorblatt für einer Windenergieanlage bereitgestellt, wobei das Rotorblatt von einer Rotorblattwurzel bis zu einer Rotorblattspitze in Rotorblattlängsrichtung eine Rotorblattlänge aufweist, von einer Rotorblattvorderkante zu einer Rotorblatthinterkante in Rotorblattprofiltiefenrichtung eine Rotorblattprofiltiefe aufweist, eine sich zwischen Rotorblattvorderkante und Rotorblatthinterkante auf spannende Saugseite und eine sich zwischen Rotorblattvorderkante und Rotorblatthinterkante aufspannende Druckseite aufweist, eine sich zwischen der Saugseite und der Druckseite in Rotorblattdickenrichtung aufspannende Rotorblattdicke aufweist und mehrere an der Rotorblatthinterkante angeordnete Serrations aufweist, wobei die Rotorblatthinterkante zwischen je zwei der mehreren Serrations einen ersten Zackengrundradius aufweist, wobei das Rotorblatt ferner umfasst: mindestens ein Elastikelement, wobei die mehreren Serrations aus einem ersten Material, insbesondere GFK, bestehen, das mindestens eine Elastikelement aus einem zweiten Material besteht, das mindestens eine Elastikelement ausgestaltet ist den ersten Zackengrundradius zwischen mindestens zwei der mehreren Serrations auf einen zweiten Zackengrundradius zu verringern und eine Steifigkeit des zweiten Materi

DRIVE TRAIN BEARING

Resumen de: EP4671536A1

Die Erfindung betrifft eine Triebstranglagerung 10 für eine Windkraftanlage 100 in aufgelöster Lagerung, umfassend einen Maschinenträger 114, eine gegenüber dem Maschinenträger 114 abgestützte Rotorlagerung 120 mit einer um eine Triebstrangachse A_D gelagerten Rotorwelle 118, eine Drehmomentstütze 14 mit zumindest zwei Stützarmen 16, eine über die Rotorwelle 118 um die Triebstrangachse A_D angetriebene Getriebekomponente 12, wobei die Getriebekomponente 12 zumindest mittelbar über die zumindest zwei in radiale Richtungen auskragenden Stützarme 16 der Drehmomentstütze 14 abgestützt ist. Die Drehmomentstütze 14 ist unter einem axialen Versatz V_a wirksam an dem Maschinenträger 114 abgestützt. Durch den axialen Versatz wird eine Aufrichtkraft erzeugt, über die ein aufrichtendes und auf der Getriebekomponente 12 wirksames Moment erzeugt wird.

A METHOD OF MANUFACTURING AND MOUNTING A WIND TURBINE BLADE TO A PITCH BEARING OF A WIND TURBINE AND SUCH A WIND TURBINE BLADE

Resumen de: EP4671528A1

A method of manufacturing a wind turbine blade for a horizontal axis wind turbine (2), and mounting it to the pitch bearing of a hub of a wind turbine is described. The method comprises the steps of: manufacturing (402) a first wind turbine blade shell part; manufacturing (404) a second wind turbine blade shell part; assembling (406) at least the first wind turbine blade shell part and the second wind turbine blade shell part to form at least part of a shell body of the wind turbine blade, wherein the wind turbine blade extends between a root end and a tip end, and wherein the first wind turbine blade shell part and the second wind turbine blade shell part are at least adhered to each other along a first bond line that extends to the root end of the wind turbine blade; providing (408) a ring-shaped root end flange, which is configured to be connected to the root end of the shell body, and which is configured with a bond line marker, preferably on an inner circumference of the ring-shaped root end flange, and further configured with a pitch-angle marker; attaching (410) the ring-shaped root end flange to a root end face of the shell body, such that the ring-shaped root end flange covers the first bond line, and the bond line marker is aligned with the first bond line; and mounting (412) the wind turbine blade including the ring-shaped root end flange to the pitch bearing of the hub of the wind turbine, such that the pitch-angle marker is aligned with a zero-pitch position for

ACTIVE DAMPING FOR AN OFFSHORE WIND TURBINE DURING IDLING

Resumen de: WO2024223239A1

It is described a method of controlling an offshore wind turbine (20) during idling for damping at least one mechanical vibration (21), the wind turbine including a nacelle (18) harboring a generator (11) having a rotor (14) associated with a rotor axis (12), the method comprising: yawing the nacelle (18) to a target yawing angle such that a predetermined angle (α) between a main loading direction (22) and the rotor axis (12) is reached; activating or performing active vibration damping using a generator (11) created torque (26).

AERODYNAMIC DEVICES AND ASSEMBLIES FOR TOWERS

Resumen de: EP4671533A1

The invention relates to an aerodynamic device (10) comprising at least one inflatable modular body (1) configured to be adhered by a base (2) of each body of the at least one inflatable modular body to a tower (30), the base (2) of each body of the at least one inflatable modular body (1) comprises at least one fin (4) and the device comprises at least one inflation valve (7, 7') in one or more bodies of the at least one inflatable modular body (1). The invention further relates to an assembly with a plurality of aerodynamic devices, a tower with one or more aerodynamic devices, a method for installing and a method for uninstalling, respectively, one or more aerodynamic devices.

METHOD AND SYSTEM FOR MANUFACTURING A ROTOR BLADE FOR A WIND TURBINE, COMPUTER PROGRAM PRODUCT AND COMPUTER-READABLE STORAGE MEDIUM

Resumen de: TW202448594A

The present invention relates to a method for manufacturing a rotor blade (10) for a wind turbine (100), comprising: providing a root module (20) having a root module recess (21) at a root module end side (22), providing a tip module (30) having a tip module recess (31) at a tip module end side (32), positioning the root module (20) at the tip module (30) to form a common connection recess (40) with the root module recess (21) and the tip module recess (31), and spraying a connection material (50) onto the common connection recess (40) to provide a firmly bonded connection recess (41) between the root module (20) and the tip module (30). The invention further relates to a system (200) for manufacturing a rotor blade (10) for a wind turbine (100), a computer program product (300) for executing the method and a computer-readable storage medium (400) having stored thereon the computer program product (300).

METHODS FOR RETROFITTING WIND TURBINE BLADES ON WIND TURBINES

Resumen de: WO2024175163A1

A method of retrofitting wind turbine blades (26a, 26b, 26c) on a wind turbine (10) is disclosed. The wind turbine blades (26a, 26b, 26c) each include a plurality of sections. An inner blade section (36a, 36b, 36c) is coupled to the rotor hub (24). An outer blade section (38a, 38b, 38c) is coupled to the inner blade section (36a, 36b, 36c) at an interface bracket (34a, 34b, 34c). A blade (26a, 26b, 26c) is selected. For the selected blade (26a, 26b, 26c), the method includes (i) coupling a lifting tool (42, 62, 72) to the interface bracket (34a, 34b, 34c). The lifting tool (42, 62, 72) includes a hoist (50) and a lifting cable (52, 66, 88) operatively coupled to the hoist (50). The method further includes (ii) coupling the lifting cable (52, 66, 88) to the outer blade section (38a, 38b, 38c), iii) disconnecting the outer blade section (38a, 38b, 38c) from the inner blade section (36a, 36b, 36c) so that the inner blade section (36a, 36b, 36c) remains coupled to the rotor hub (24) and the outer blade section (38a, 38b, 38c) is supported by the lifting tool (42, 62, 72), and iv) using the lifting tool (42, 62, 72), lowering the outer blade section (38a, 38b, 38c) to a support surface adjacent the wind turbine (10).

HIGH VISIBILITY TIP PROTECTOR COVER

Resumen de: CN120731319A

The invention relates to a protective cover (10) for protecting one or more fragile edges or wingtips of an elongate unit (2), said elongate unit (2) having an upper surface and a lower surface, said protective cover (10) being made of an elastic material, comprising an inner surface (60), an outer upper surface (70) and an outer lower surface (71), said inner surface (60) being designed to be mounted in contact with said upper (90) and lower (91) surfaces, the outer upper surface (70) and the outer lower surface (71) face outwards and away from the inner surface (60), the protective cover is designed to extend beyond the edge or wingtip of the elongated unit, the protective cover comprises at least one through hole or slit extending from the outer upper surface (70) to the outer lower surface (71), the through hole (40) or slit is designed to accommodate a bandage (50), and the outer upper surface (70) and the outer lower surface (71) face outwards and away from the inner surface (60). The protective cover (10) is removably fixed to the elongated unit (2) by applying a force to the outer upper surface (70) and/or the outer lower surface (71) with friction between the inner surface (60) and the upper surface (90) and/or the lower surface (91).

TRAILING-EDGE ADD-ON

Resumen de: AU2024255078A1

Trailing-edge add-on The invention describes a wind turbine rotor blade add-on (1) comprising a plurality of serration teeth (10) arranged to extend outward from the trailing edge (20TE) of the rotor blade (20), wherein a serration tooth (10) has an elongate shape defined by a base (10B) and two at least partially curved side edges (10S) converging at a tip (10T), and wherein the length of a serration tooth (10) from base (10B) to tip (10T) exceeds the width of the serration tooth (10) at its base (10B) by a factor of at least 6; a side edge (10S) of the serration tooth (10) includes a convex curved portion; and the closest distance (1G) between adjacent serration teeth (10) is at most 1 mm. The invention further describes a A wind turbine rotor blade (20) comprising a number of such add-ons (1) mounted to the trailing edge (20TE) of the airfoil portion of the rotor blade (20).

WIND TURBINE WITH A HYDROGEN PRODUCTION SYSTEM

Resumen de: WO2024217742A1

A wind turbine is provided that comprises a nacelle (10) arranged on a wind turbine tower (103) and comprising an electrical power generation system (20), a nacelle housing (11) of the nacelle, wherein the nacelle housing (11) houses at least part of the electrical power generation system (20), and a hydrogen production system (30) including a hydrogen production unit (36). The hydrogen production unit (36) comprises an electrolyzer (31) configured to receive electrical power from the electrical power generation system (20), wherein the hydrogen production unit (36) is mounted to a top of the nacelle (10) outside of the nacelle housing (11).

METHOD AND APPARATUS FOR ASSESSING STATUS OF WIND TURBINES, AND STORAGE MEDIUM

Resumen de: EP4671532A1

A method and an apparatus for assessing status of wind turbines, and a storage medium are provided. The method includes: constructing a wake surrogate model; arranging wind turbines in a wind turbine array in a direction of a wind speed; inputting the wind condition information and the wind turbine information of the first wind turbine of the wind turbines into the wake surrogate model to obtain a velocity deficit percentage and an additional turbulence intensity value at each point in a wake region of the first wind turbine; for each current wind turbine of the wind turbines starting from a second wind turbine of the wind turbines, updating wind condition information of a current wind turbine; and obtaining, for each wind turbine of the wind turbines, an amount of generated power and a load of the wind turbine.

塔筒清洗机构

Resumen de: CN223739568U

本实用新型属于发电塔筒维护技术领域，具体涉及一种塔筒清洗机构。本申请的塔筒清洗机构包括：主支架，用于安装在清洗设备上；滚刷组件，设置在主支架上；以及刮板组件，其包括刮板和弹性件，所述弹性件用于将刮板顶紧在塔筒的外壁上。本申请的塔筒清洗机构工作时通过滚刷组件清理塔筒外壁灰尘、泥沙，并利用刮板组件去除油渍、污垢，实现对塔筒不同异物针对性的清洗方式，提高了塔筒的清洗效果。

一种海上光伏基础

Resumen de: CN223738608U

本实用新型提出了一种海上光伏基础，包括底座模块和M个支撑模块；底座模块设置在海底的地基上，用于承载M个支撑模块；底座模块包括交错设置的多个稳固单元；M个支撑模块分别设置在多个稳固单元的对应交叉点处，且每个交叉点处对应的两个稳固单元之间榫卯连接；每个支撑模块的两端分别与底座模块和光伏支架连接，且相邻支撑模块之间间隔第一预设距离；每个支撑模块包括间隔第二预设距离设置的N个承重单元和多个网状连接单元；每个承重单元的两端分别与底座模块和光伏支架连接；每个网状连接单元设置在相邻的承重单元之间。本实用新型通过多个承重单元及网状连接单元的配合，分散支撑模块受到的压力，增强光伏基础的稳定性。

一种风电机组减振装置

Resumen de: CN121229337A

本发明公开了一种风电机组减振装置，包括底座、设于底座上的高分子阻尼耗能层、设于高分子阻尼耗能层上的调谐质量块，所述底座与风电机组的塔筒连接，所述底座的侧面设有动能转换单元，调谐质量块与所述动能转换单元发生碰撞时，动能转换单元可将部分水平振动能量转化为调谐质量块的竖向振动。本发明提出了一种融合高分子阻尼、调谐质量块和动能转换单元的减振结构，实现了多维度的能量耗散，突破了传统TMD、TLCD仅对单向振动抑制的局限。本发明整体设计紧凑，避免了过大附加质量和复杂结构带来的不利影响，保证了减振装置的轻量化与可实施性，能够在风场、地震等复杂耦合荷载下保持良好适应性，显著降低塔筒疲劳损伤风险，延长机组寿命。

一种风力发电机组的单回路下垂控制方法及系统

Resumen de: CN121229310A

本发明公开了一种风力发电机组的单回路下垂控制方法及系统，控制方法包括如下步骤：构建双馈风机‑功率变流器‑电网三模块耦合模型，完成无内环电流控制的单环下垂控制架构的双馈风机特性动态适配；基于所述输入信号‑模型协同集成体及适配架构，采用MIMO‑GBC分析动态小信号模型开环传递函数矩阵特征值的相位裕度与谐振峰值，在全转差率区间识别双风险；针对谐振风险，采用电流感应式虚拟阻抗策略；针对相位裕度不足，采用暂态相位校准策略；依据DFIG实时转差率、定子功率变化，对虚拟电阻与相位校准角分区间联动调优以实现最小化双功率阶跃响应波动平方均值，参数整定周期与转子侧变流器控制周期同步匹配，实现全工况稳定控制。

高压输电线路巡检系统

Resumen de: CN121225038A

本发明涉及高压输电技术领域，尤其涉及一种高压输电线路巡检系统，其包括输电线路铁搭、巡检无人机和无人机起降平台，巡检无人机中设置有巡线检测部件、第一充电连接触点、第一控制器和存储器，无人机起降平台的中间设置有第二充电连接触点，第一充电连接触点与第二充电连接触点可拆卸连接，无人机起降平台呈水平设置在输电线路铁搭上，还包括发电装置和储能电池，发电装置通过第一电能传输线与储能电池相连接，储能电池通过第二电能传输线与第二充电连接触点相连接。无人机起降平台为巡检无人机提供停靠、重复充电的平台，使巡检无人机能够高频次、常态化对输电线路铁搭周围的高压输电线路进行自动检测，有效地降低了巡检成本。

抗涡状态检测方法及风电机组

Resumen de: CN121229333A

本申请提供了一种抗涡状态检测方法及风电机组，其中方法包括：获取多维数据；基于所述多维数据中的目标运行数据和目标事件数据进行通讯故障下的抗涡异常检测；在无异常时，基于所述多维数据中的目标运行数据进行抗涡状态检测，得到对应的抗涡状态。这样，能够解决现有技术中缺乏对抗涡状态的准确检测能力、难以判断抗涡是否成功、引发涡激振动风险等技术问题。

一种风机叶片的净空值的监测方法、风机控制方法及介质

Resumen de: CN121229334A

本申请提供一种风机叶片的净空值的监测方法、风机控制方法及介质，监测方法包括：当雷达信号失效时，获取实际应变参数、气象数据以及SCADA数据；将所述气象数据和SCADA数据输入至预设的数字孪生系统中，得到预测应变参数；当所述预测应变参数与实际应变参数的差值大于误差阈值时，调整所述数字孪生系统的系统参数，直至所述误差值小于等于误差阈值；基于调整后的所述数字孪生系统，得到所述净空值。

一种运用于风电叶片的移动式太阳能除冰装置

Resumen de: CN121229342A

本发明公开了一种运用于风电叶片的移动式太阳能除冰装置，包括承载部，其上设置有聚焦部、设置于聚焦部上的控制部，以及设置于控制部上的驱动部；聚焦部包括支撑件，以及设置于支撑件上的除冰件；除冰件包括外框、设置于外框内部的凹面镜、固定连接于外框上的支撑架，以及设置于支撑架上的凸透镜，支撑件包括设置于凹面镜下侧的连接块、固定连接于连接块上的套杆、设置于套杆内部的立柱，以及固定连接于连接块上的弯杆；该设备通过大型凹面镜将太阳光汇聚，再通过凸面镜将汇聚的太阳光以平行光折射射出，通过液压推杆控制升降框移动使得斜撑杆带动照射方向移动至叶片覆冰处，利用汇聚的太阳光热能加热风机叶片覆冰层，对叶片进行除冰。

滑动轴承的制备方法及滑动轴承

Resumen de: CN121223096A

本发明涉及轴承材料技术领域，公开了滑动轴承的制备方法及滑动轴承，滑动轴承的制备方法包括采用气雾化方式制备铜合金粉，并将铜合金粉与造孔剂混合得到混合粉末；将混合粉末放置于磨具中压制成第一坯料，并对第一坯料进行脱模；按照粉末冶金方式对第一坯料进行梯度升温烧结，并得到第二坯料；将第二坯料浸渍在自润滑溶液中一定时间后取出，并对第二坯料进行固化脱脂得到轴套；采用热套或冷装的方式将轴套过盈配合至销轴的外表面，并得到滑动轴承；本发明可使制造出的滑动轴承具有自润滑能力，并能够提高滑动轴承在不同工况下的减磨效果，同时，还可提高滑动轴承的使用寿命。

一种双馈风力发电机集电环维护方法、系统、设备及存储介质

Resumen de: CN121229343A

本发明涉及风力发电设备技术领域，特别是一种双馈风力发电机集电环维护方法、系统、设备及存储介质。通过获取双馈风力发电机运行参数并构建集电环运行状态监测模型，实时采集集电环室碳粉积累数据和电刷磨损数据，建立基于时间、电刷状态和清洁度的三重维护触发条件判断机制。基于维护触发条件，采用清洗控制策略动态调节绝缘清洗液的喷洒参数，对集电环室进行自适应清洗，清除传统除尘风机无法排出的残留碳粉。结合清洗效果评估，通过电刷状态预测算法分析电刷长度变化趋势，建立电刷磨损速率与集电环清洁度的定量关联模型，实现电刷剩余寿命的准确预测。基于关联模型构建集电环－电刷协同维护策略，结合维护历史数据建立运行时长优化模型。

一种风力机偏航角实时调整方法

Resumen de: CN121229329A

本公开实施例中提供了一种风力机偏航角实时调整方法，属于发电技术领域，具体包括：步骤1，收集目标风电场的参数信息，据此利用中尺度气象模式对目标风电场进行气象数据模拟，得到模拟结果；步骤2，将模拟结果作为优化背景，据此利用改进粒子群搜索算法优化目标风电场中各风力机的偏航角。通过本公开的方案，通过中尺度模式WRF实时预测风电场场址所处的来流风速风向等风特性，并基于能够考虑偏航的风力机尾流模型以及改进粒子群算法对风电场固定点位的风力机组进行最优偏航角度矩阵进行优化，提高了调整精准度、实时性和适应性。

一种风力旋转发电机

Resumen de: CN121229318A

本发明涉及风力发电技术领域，具体为一种风力旋转发电机，包括混凝土块，混凝土块上部连接有底座，所述底座表面设置有旋转支持体，所述旋转支持体的顶部设置有支撑架，所述支撑架表面安装有长方形铁框，所述旋转支持体包括有，所述立柱固定连接在底座的表面，所述齿轮转盘转动连接在立柱的表面，所述滑槽转盘转动连接在立柱的表面，齿轮转盘可在较低的地面带动发电机发电，相比在高空或其他特殊位置，在地面安装风力发电机通常更容易操作，也便于进行日常的维护和检修工作，遇到强风、雷电等对位于地面的风力发电机的影响相对弱一些。

一种风机基础模块化快速对接装置

Resumen de: CN121229321A

本发明涉及风力发电机技术领域，且公开了一种风机基础模块化快速对接装置，包括若干个的底座基础模块，底座基础模块顶部连接有第二法兰盘，第二法兰盘顶部设有第一法兰盘，第一法兰盘顶部固定连接有用于风机安装的塔筒；底座基础模块内部预埋有钢筋骨架；塔筒一侧设有用于导向对接的导向组件，导向组件一侧设有连接组件，通过在塔筒和底座基础模块对接过程中，竖杆插入导向架内侧并沿导向斜面滑动，最终插入第二连接杆一侧，导向斜面起到引导作用，使竖杆能够准确插入，实现塔筒与底座基础模块之间的初步定位和导向对接，确保两者在连接过程中的位置准确性，提高安装效率和质量，避免因安装位置偏差导致的结构损坏或性能下降。

预埋叶根结构、风机叶片及发电装置

Nº publicación: CN121229305A 30/12/2025

Solicitante:

中车启航新能源技术有限公司

Resumen de: CN121229305A

本发明涉及风力发电技术领域，公开了一种预埋叶根结构、风机叶片及发电装置。该预埋叶根结构，包括叶根本体及多个螺栓套；叶根本体沿自身轴向延伸；叶根本体呈环状；多个螺栓套沿叶根本体的周向间隔分布；螺栓套在叶根本体径向上最大的第一宽度W1的尺寸小于螺栓套在叶根本体周向上最大的第二宽度W2的尺寸。在本发明中，是将传统的圆形截面螺栓套设计成了一种扁平状或椭圆状截面螺栓套，可以有效地解决了因增大螺栓直径而导致的螺栓套与周围玻璃钢复合材料之间的“刚度突变”问题，显著降低了螺栓套与叶根铺层界面发生剥离、撕裂或开裂的风险，从而在不牺牲连接强度的前提下，大幅提升了叶根连接区的结构完整性、安全性和服役寿命。