Resumen de: EP4656870A1
Es wird ein Windenergieanlagen-Rotorblatt (200) mit einer Rotorblattschale (210, 220), welche ein Innenvolumen (203) umgibt, und mindestens einem Strömungswiderstand (300) in dem Innenvolumen (203) vorgesehen. Der Strömungswiderstand (300) führt zu einer Verengung des für die Luftströmung benötigten Volumens, was zu einer Erhöhung der Strömungsgeschwindigkeit führt, was zu einer verbesserten Wärmeübertragung und damit einer besseren Erwärmung der Rotorblätter führt. Ein Rotorblattheizsystem (500) ist in oder an der Wurzel (201) des Rotorblattes (200) vorgesehen. Das Rotorblattheizsystem (500) erzeugt warme Luft, welche in das Innenvolumen (203) des Rotorblattes (200) befördert wird. Der Strömungswiderstand (300) kann als ein Tunnel (350) aus einer Mehrzahl von gebogenen kunststoffverstärkten Faserplatten (351 - 356) hergestellt werden. Die Enden der gebogenen Platten können mittels Winkeln gehalten werden. Das Volumen, dass durch den Tunnel (350) überdeckt wird, kann zumindest teilweise ausgefüllt werden.
Resumen de: CN120659741A
The invention relates to a kit comprising a floating ocean platform and an assembly tool for assembling the floating ocean platform, a floating ocean platform includes a central post, a plurality of peripheral posts circumferentially surrounding the central post, a radially extending overhang bracket connecting the peripheral posts with the central post, and a tendon spanning between each pair of adjacent peripheral posts, where the peripheral posts include tendon receptors having tool interfaces, shim chambers, and tendon channels, and where the shim chambers are disposed between the central post and the peripheral posts, and where the shim chambers are disposed between the central post and the peripheral posts, and the shim chambers are disposed between the central post and the peripheral posts. An assembly tool includes a tool connector, a tendon tensioner, and a tension shim installer, where the tendon tensioner includes a tendon puller.
Resumen de: EP4656876A1
Eine im Innern eines Turmes (T) einer Windenergieanlage installierte Versorgungsstruktur (1) weist eine Einbaustruktur (10) auf, die über eine, insbesondere ring- oder teilringförmig gebildeten, Abstützstruktur zum Abstützen an oder auf einem vertikal erhöht gelegenen Turmwandabschnitt verfügt. Die Einbaustruktur (10) umfasst eine Ankerstruktur (3). Die Versorgungsstruktur (1) umfasst ferner eine Trägerstruktur (2), die an der Ankerstruktur (3) tragend aufgehängt ist und sich von der Einbaustruktur (10) im Wesentlichen vertikal nach unten erstreckt. Weiterhin umfasst die Versorgungsstruktur (1) an der Trägerstruktur (2) festgelegten Anbauelementen (4).Es wird zudem ein Verfahren zum Einrüsten eines Turms einer Windenergieanlage mit einer im Turminneren aufwärts verlaufenden solchen Versorgungsstruktur (1) offenbart.
Resumen de: EP4656873A1
A method and computer program for maximizing the power generated by a wind turbine are provided. The method comprises dividing a length of each turbine blade into different airfoils; obtaining a boundary layer separation point, a vortex shedding frequency and an amplitude of the dynamic lift and drag forces for each airfoil by analyzing the flow around each airfoil considering a wind speed, a turning speed and an angle of attack; implementing Active Flow Control (AFC) technology on each airfoil; performing, for each airfoil, wind speed and angle of attack, an AFC optimization process, through a parametric optimization or using an optimizer implementing an optimization algorithm, using the obtained boundary layer separation point and vortex shedding frequency, the AFC optimization process comprising obtaining different AFC parameters including a groove location, a groove width, a momentum coefficient, an inclination angle and a pulsating flow frequency; and integrating the different parameters along the turbine blade.
Resumen de: EP4656872A1
A rotor arm for use in a wind turbine, the rotor arm having a hub end and a tip end, a mass member being provided near the tip end having a weight of between 10% and 100%, preferably between 20% and 50% of the weight of the rotor arm, the mass member being connected to the hub end of the blade or to another mass member of another rotor arm of the wind turbine.
Resumen de: EP4656804A1
Disclosed is a clog-fighting leg jetting system for an offshore self-elevating platform, which comprises spud cans; spud can upper surface systems and spud can lower surface systems separately arranged on upper and lower sides of the spud cans; a supply system; and spud can main pipes connected to the supply system; each spud can upper surface system comprises first connection pipeline, a spud can main pipe splits into a plurality of first connection pipelines at the spud can upper surface; each first connection pipeline is connected to a plurality of first leg jetting branch pipes; an outlet end of each first leg jetting branch pipe is connected to a first leg jetting valve; each spud can lower surface system comprises second connection pipeline, a spud can main pipe splits into a plurality of second connection pipelines at the lower surface of the spud can; each second connection pipeline is connected to a plurality of second leg jetting branch pipes; and an outlet end of each second leg jetting branch pipe is connected to a second leg jetting valve. The present clog-fighting leg jetting system for an offshore self-elevating platform can prevent serious clogging of the leg jetting system, improve work efficiency, reduce the risk of strain on the legs during pull-out, and ensure the safety of the rig.
Resumen de: EP4656874A1
Die vorliegende Erfindung betrifft Verfahren zur Ermittlung von Lasten auf Windenergieanlagen, umfassend Erstellen einer Gitterstruktur mit Gitterpunkten aus zufällig variierten Windbedingungen als Parameter, insbesondere umfassend eine Turbulenz, eine Turbulenzintensität und/oder eine Windscherung, Lastsimulation einer Windenergieanlage für jeden der Gitterpunkte, Bereitstellen eines Prädiktionsmodells zur Prädiktion von Lasten ausgehend von Windbedingungen, Trainieren des Prädiktionsmodells anhand der durchgeführten Lastsimulationen für jeden der Gitterpunkte, Ermitteln der Lasten für eine beliebige Kombination von Windbedingungen unter Verwendung des Prädiktionsmodells. Die Erfindung betrifft auch einen entsprechenden Trainingsdatensatz.
Resumen de: EP4656869A1
Provided is a protective layer forming device that comprises: a protective layer forming unit (110); a movement mechanism that moves the protective layer forming unit (110) in the blade length direction; an articulated robot (130) that is attached to the movement mechanism and adjusts the position of the protective layer forming unit (110) in the blade thickness direction of a plurality of wind turbine blade bodies (5a) and the orientation of the protective layer forming unit (110) so that the construction direction of the protective layer forming unit (110) faces a construction region (FA); and a control part, wherein the protective layer forming part (110) includes a first spray unit (111) that sprays a first construction material onto a first construction range (SA1) centered on a first axis (X1) to form a protective layer, a second spray unit (112) that sprays a second construction material onto a second construction range (SA2) centered on a second axis (X2) to form a protective layer, and a first interval adjustment unit (114) that changes the inclination angle (θ1) of the second axis (X2) in a plane orthogonal to the blade length direction with respect to the first axis (X1).
Resumen de: TW202443595A
Disclosed is a nuclear reactor system for use with a power grid. The nuclear reactor system comprising a nuclear reactor, an energy storage system coupled to the nuclear reactor, and a control circuit coupled to the nuclear reactor and the energy storage system. The control circuit is configured to monitor a power demand of the power grid, monitor a power output generated from the nuclear reactor, detect a change in the power demand, cause the energy storage system to temporarily compensate for the change in the power demand, and adjust the power output based on the change in the power demand.
Resumen de: EP4656822A1
The invention relates to a self-lifting system formed by three masts (1) with their corresponding winches (2), pulleys and cables (3), a lifting triangle (4) that moves up and down between said masts (1) and supporting bases (5), wherein the three masts (1) are braced (6) against each other. The system has a termporary foundation (10) for supporting the tower sections (9, 9', 9") and the tripod or transition part (21) during the assembly process. The lower flange (18) of the sections incorporates a connection ring (11), where the complementary elements formed by struts (12) and horizontal beams (13) extending from the vértices of the triangle (4) are assembled and joined to each other by a crossbar (14). The struts (12) and the horizontal beams (13) move in a retractable manner and fold by means of associated systems in order to reléase the tower segments. The method of assembly used lifts different types of tubular and mixed wind turbines with lower latticework and offshore wind turbines too.
Resumen de: EP4656875A1
A wind turbine for generating electricity from wind, comprising a mast, an even number of wings symmetrically arranged relative to the mast, and an even number of rotors for generating electrical current, characterized in that the rotors are mounted on the ends of the wings, which have the shape of a polygon, and the rotors are mounted on the sides of the wings farthest from the mast, measured in a horizontal line, and the wings are attached to the mast in such a way that they rotate about the axis of the mast, wherein the wings symmetrically arranged relative to the mast with the mounted rotors are connected to each other by means of a connector, creating an angle that is in the range of 30-160 degrees.
Resumen de: EP4656871A1
A wind turbine rotor blade comprising• a blade root,• a blade tip,• a blade length,• a tip section including the blade tip and extending over 5 % of the blade length or less,• a main section extending over 50 % of the blade length or more and ending at the tip section, and• a cross section having, at each position along the blade length,- a chord and- a maximum thickness at a maximum thickness chord position,• wherein the wind turbine rotor blade is designed to be operated with variable pitch angle, a design pitch angle being the angle at which the wind turbine rotor at a design tip speed ratio extracts maximum power from the wind,• wherein in a projection onto the rotor plane of the wind turbine rotor blade arranged at the design pitch angle, the maximum thickness chord position throughout the main section is offset from the pitch axis towards the leading edge.
Resumen de: CN223621728U
本实用新型公开一种风力发电机对中调节装置,涉及风力发电设备领域,两个第一调节模组支撑发电机较高的一端,第二调节模组支撑发电机较低的一端;第一调节模组和第二调节模组通过X轴驱动组件提供动力、X轴引导组件提供导向,使发电机沿X轴调节位置;第二调节模组的Y轴驱动组件提供动力,并通过第一调节模组和第二调节模组的Y轴引导组件提供导向,使发电机沿Y轴调节位置;并由第一调节模组和第二调节模组的Z轴驱动组件调节发电机的高度,实现发电机的三个维度调节;该装置的集成度提升,结构得到简化,借助更少的人力完成发电机对中调节。
Resumen de: CN223621731U
本实用新型公开一种磁吸式脚踏,包括固定架和设置于固定架上的磁体、踏板,所述固定架上开设有与踏板位置对应的定位孔与固定孔,所述踏板上设有插接于固定孔的插条和转动设置的支撑架,所述插条贯穿固定孔并设置有抵接固定架的卡块,所述支撑架的插杆插接固定于定位孔。在固定架上设置具有高强度磁吸力的磁体,并通过将可拆卸的踏板水平固定于固定架上,即通过磁体与踏板相配合,确保作业人员能稳固的站立在塔壁上进行作业,以减少因不稳定支撑而造成安全事故,进而提高了作业人员在作业时的安全性和作业效率,且通过可拆卸的踏板设置,使得作业人员能更快速的装卸进入和退出作业区域。
Resumen de: CN223621729U
本实用新型公开了一种风电变桨驱动器状态显示装置,包括变桨驱动器壳体以及用于和变桨驱动器壳体平行安装的LED显示屏,所述变桨驱动器壳体的内部设置有供LED显示屏装入的装配腔,所述LED显示屏的一侧外壁上设置有至少两个相互对称的T型弹性销,所述变桨驱动器壳体的一侧内壁上安装有和T型弹性销同心并供T型弹性销插接的内螺纹导柱。本实用新型通过将LED显示屏的背部预先对接至风电变桨驱动器壳体表面装配腔处,使得LED显示屏的显示面与风电变桨驱动器壳体的延伸平面处于平行状态,并采用T型弹性销与内螺纹导柱自行连接的设计方案,使得显示屏自然朝向运维人员,显示内容更容易被观察到。
Resumen de: WO2023198610A1
It is disclosed a bedframe (40) for a nacelle (11) of a wind turbine (1), the nacelle (11) including an electric generator (15). The bedframe (40) extends between a first bedframe end (41) and a second bedframe end (42), the first bedframe end (41) being configured for connecting the bedframe (40) to a tower (12) of the wind turbine (1), the second bedframe end (42) being configured for connecting the bedframe (40) to a rotor (30) of the electric generator (15). The bedframe (40) includes at least one connecting device (43, 44) for connecting a stator (20) of the electric generator (15) to the bedframe (40) between the first bedframe end (41) and the second bedframe end (42).
Resumen de: CN223621721U
本申请公开了一种偏航执行机构,涉及风力发电技术领域。其技术要点是:包括塔筒安装法兰,塔筒安装法兰的上侧设有偏航轴承,偏航轴承的外圈与风力发电机的塔筒顶部连接,偏航轴承的内圈与机舱底座固定连接;机舱底座上还安装有多个驱动电机,驱动电机通过驱动小齿轮与外齿圈相啮合,风力发电机的塔筒内侧设有环形制动盘,环形制动盘上设有多个制动钳;驱动电机包括电机主体、辅助制动单元和减速器。在需要刹停塔筒顶部的机舱时,本申请可通过辅助制动单元和制动钳两种方式协同工作来将机舱刹停,这样可降低制动钳的负担,从而提高制动钳内摩擦片的使用寿命,降低其更换频率。
Resumen de: CN121047740A
本申请提供了风力机叶轮‑齿轮箱复合故障的智能诊断系统及方法,涉及故障诊断技术领域,系统包括:多模态数据采集模块,用于基于耦合路径分析的多源传感器部署,采集多源传感器的多模态数据;张量矩阵构建模块,用于根据多模态数据构建张量矩阵;故障分析模块,用于构建特征‑损伤映射模型对张量矩阵进行故障分析,得到故障诊断结果;故障维护模块,用于推送故障诊断结果,并根据故障诊断结果进行故障维护。通过本申请可以解决现有技术中存在无法有效识别风力机关键部件的微小早期故障,影响故障诊断的准确性与风电设备运行的安全稳定性的技术问题,达到提升故障诊断准确性和系统响应效率,延长设备使用寿命并降低维护成本的技术效果。
Resumen de: CN121049272A
本发明公开了一种用于识别风机叶片缺陷的视觉音频多模态监测系统及方法,全景视频监测机构能够获取当前风力发电机的叶片的背面全景图像以及风力发电机的周围环境图像;在全景视频监测机构上设置叶根拾音器以及在风力发电机的塔筒上设置叶尖拾音器,能够获取风力发电机的叶尖段音频和叶根段音频。首先通过全景视频监测机构识别当前天气情况下的环境能见度,再根据环境能见度执行不同的实时监测策略,不仅使叶片缺陷监测不再受限于天气环境的制约,提高了应用场景,而且无论在高能见度环境下,还是在低能见度环境下,通过视觉和音频相互验证的方式能够极大可能地降低误报风险,大幅提高了叶片表面缺陷识别的准确度。
Resumen de: CN121047731A
本发明涉及风电设备技术领域,具体涉及一种格构式塔架的连接结构及风电塔架,包括角柱以及分别连接于所述角柱上、下端部的两块及以上的上节点板和两块及以上的下节点板;所述上节点板和下节点板上均设有用于固定斜撑的第一安装孔,所述上节点板和下节点板中的至少一个设有用于固定横撑的第二安装孔;所述角柱上端相邻的上节点板之间连接有第一环肋,角柱下端相邻的下节点板之间连接有第二环肋,所述第一环肋和第二环肋内侧与角柱外侧连接。其具有结构设计合理、稳定性高、装配化施工、安装操作简便的优点。
Resumen de: CN121055808A
本发明公开了一种用于风能收集的拱形转子弧形定子摩擦电纳米发电机,属于摩擦电纳米发电机(TENG)领域。在拱形转子外圈固定多个拱形结构,并将负摩擦材料聚四氟乙烯(PTFE)薄膜粘贴在拱形结构上,构成负摩擦层;在圆形定子的内壁粘贴多片铜正摩擦材料,构成正摩擦电极。相对于传统片状或L型的负摩擦层,拱形结构的负电极具有更稳定的机械结构,在转动过程中可提供更稳定的接触界面的正压力,进而改善摩擦材料间的接触特性,保证装置的输出性能和长期稳定性。
Resumen de: CN121047754A
本发明涉及风电叶片牵引领域,具体涉及一种2.5MW退役风电叶片定长破拆牵引送料装置。包括牵引单元、稳定单元和雪橇车,牵引单元包括底座、动力件和拉索,动力件与底座连接,拉索两端分别与动力件与雪橇车连接,稳定单元包括固定杆,固定杆一端与底座连接,另一端延伸至山体中。本发明中的2.5MW退役风电叶片定长破拆牵引送料装置能够提高牵引效果并防止风电叶片侧翻。
Resumen de: CN121053152A
本发明提供了一种面向复杂环境的风机叶片背景区域自适应分割方法及系统,包括:提取多种颜色空间的通道和边缘特征算子;建立光照不变形变换;通过超像素分割法对天空区域进行检测,进行自适应调整;综合多种特征生成叶片概率图;对叶片概率图进行分割,获得初步分割结果;通过使能量函数最小化优化初步分割结果能量;引入亚像素定位方法对优化后的初步分割结果进行边缘精修,输出分割结果。本发明在野外开放环境中,光照环境变化多样、叶片表面纹理较为复杂等工况下,实现对风机叶片前景和背景区域的高精度检测,解决了现有方法对野外复杂环境下背景分割精度不足和风机叶片不停机检测中放大倍率和小尺寸缺陷分辨能力之间的矛盾的问题。
Resumen de: CN121047717A
本发明属于漂浮式风力发电站维护技术领域,具体涉及一种基于北斗导航的漂浮式风力发电站姿态校正方法及姿态校正系统。方法通过北斗导航系统获取当前位置以生成校正参数,并根据校正参数执行角度校正,获取时序偏移数据以生成待比较参数和趋势参数,并将待比较参数与趋势参数输入函数模型以生成稳定校正参数,依据由稳定校正参数估算的校正趋势以及周期性参数,对角度校正执行暂停或终止的闭环控制。本发明利用北斗导航系统确保了当前位置数据的精确性,通过多层级闭环控制逻辑避免了过度校正与能源损耗,并借由函数模型综合分析时序偏移数据,实现了对漂浮姿态的智能化、高鲁棒性控制。
Nº publicación: CN121047749A 02/12/2025
Solicitante:
湖南工程学院
Resumen de: CN121047749A
本发明涉及轴承监测技术领域,具体为基于振动数据分析的风力发电机组轴承监测方法,变分模态分解将混合信号划分为能量独立的窄带成分,分离不同频段的动态响应,削弱随机噪声的干扰效应,增强微弱特征信号的可辨识度,使内外圈载荷作用差异在时序矩阵中以偏移趋势显现,强化能量与偏移关系的量化表征,通过执行动态时间规整将滚道载荷与频率幅度进行时间对齐,校正转速波动造成的时序偏移,展现结构内能量与相位的同步特征,提炼工况变化下的响应异常特征,通过实现信号去混叠、时序重构与结构响应精确匹配,提高振动信号识别灵敏度,增强能量与相位变化的关联可靠度以及提高异常部位识别的确定性。