Resumen de: US2025373010A1
A system combination having at least two electrolysis systems, a power supply source having a direct voltage output, and a central supply line is provided. The central supply line is connected to the direct voltage output of the power supply source, so that a direct current can be fed into the central supply line and a central DC network designed for high voltage is provided, to which DC network the electrolysis systems are connected by means of the central supply line. The power supply source has, as a power generator, a wind turbine, to which a rectifier having a direct voltage output is connected, the direct voltage output being designed for the high voltage.
Resumen de: JP2025175743A
【課題】加工が簡単で低コストであり、エネルギーロスが少ない垂直軸型風車の提供。【解決手段】回転軸2の周りに等間隔で放射状に設けられた複数の大翼板3および小翼板4であり、それぞれ回転軸2の一回転方向R側に湾曲した1枚の金属板からなり、それぞれ複数の鱗状の切欠きによって形成された複数の鱗状片34,44であり、回転軸2の一回転方向Rと反対側に斜めに曲折された複数の鱗状片33,44を有する複数の大翼板3および小翼板4を備える垂直軸型風車1である。【選択図】図2
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: 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: 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: 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: 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: 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: 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: 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: 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: CN121047746A
本申请提出一种基于脉冲调幅的风电机组转轴故障监测方法及系统,所述方法包括:利用安装在被测风电机组转轴的目标轴段上的脉冲调幅测量装置采集转轴的脉冲调幅信号;对所述脉冲调幅信号进行幅值解调得到所述转轴的偏心复合振动分量;进行离散化处理得到离散时域的复合振动分量序列,然后对所述离散时域的序列进行傅里叶变换得到各相位差,并提取各振动分量在不同频率下的振动幅值和幅值特征参数;根据所述各振动分量在不同频率下的振动幅值、幅值特征参数及相位差监测所述转轴的不对中异常状态。本申请提出的技术方案,通过脉冲调幅测量装置采集信号,结合幅值解调与频域分析,实现对风电机组转轴不对中的高精度监测与故障类型精确辨识。
Resumen de: CN121049582A
本发明属于电阻测试技术领域,尤其是一种风电机组叶尖防雷回路电阻测试装置,针对传统风电机组叶尖防雷回路电阻检测需人员高空作业,且传统接触式测量无法反映包括连接点在内的整体回路电阻状态,难以真实评估雷电流泄放能力,存在巨大安全隐患和维护盲区的问题,现提出如下方案,其包括仿形固定支架,所述仿形固定支架的顶部固定安装有无人机夹取耳件,所述无人机夹取耳件用于连接无人机,所述仿形固定支架的一侧开设有叶尖配合槽。本发明通过机械仿形与自适应夹持解决了高空安装问题,通过恒流注入与非接触测量解决了真实回路电阻精准测量的问题,通过无线通信与智能控制解决了远程操作与数据管理问题。
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: 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: 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: CN121044003A
一种Spar式风电基础,包括上部基础和下部基础,上部基础和下部基础通过转动连接机构相连接,下部基础能够相对于上部基础转动,下部基础的内部开设有主调节仓,下部基础的周侧一体连接有多个扩大部,扩大部的内部开设有副调节仓,主调节仓和所有副调节仓共同连通有分配腔,分配腔连通有贯通至下部基础底部的底部进水孔。本发明在运输过程中能够将下部基础置入到海水中,并且通过减小下部基础受到的浮力减轻运输船的负载,更加易于运输,在到达目标位置之后,保证能够将上部基础和下部基础对准进而锁紧,便于安装,并且锁紧好之后转动连接机构被遮蔽,避免因为长期受到海水侵蚀而损坏,进而避免风电基础整体的稳定性下降。
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: CN121047716A
本发明公开了一种面向电网一次调频的风电机组自适应控制方法及系统,方法包括步骤:S1、实时获取风电机组的运行参数,运行参数包括发电机转速和电网暂态自适应控制标志位;S2、判断电网暂态自适应控制标志位是否为真,若为真,则将机组控制模式由常规发电控制模式切换至电网暂态自适应控制模式;在电网暂态自适应控制模式下,并行执行传动链加阻自适应控制和变桨响应自适应控制;S3、根据最终的加阻转矩和最终的变桨速率,执行对机组的综合控制,确保机组不脱网且部件载荷不超限。本发明能够在确保叶片净空和载荷安全的前提下,降低机组因风能捕获不足造成的脱网,以及暂态测试过程中叶片、轮毂、塔筒等的极限载荷,提升机组安全稳定性。
Resumen de: CN121047726A
本发明涉及风电塔筒安装技术领域,具体为一种集中式风电塔筒安装用模块化吊装平台,包括连接盘,连接盘固定连接有顶柱,连接盘的表面固定连接有若干个导向杆,导向杆固定连接有支撑板,支撑板固定连接有锁环,支撑板固定连接有缓冲组件,顶柱固定连接有调节组件,导向杆的表面滑动连接有滑管,滑管固定连接有固定组件;通过滑板可调节固定组件的位置,进而使得整体可适用于不同大尺寸的塔筒,通过缓冲管可提高整体的安全性,避免突然断裂,通过他同对安装板的压力继而带动弧形件转动,以此可利用塔筒的重量使得卡爪对塔筒进行快速固定,从而有利于塔筒的安装。
Nº publicación: CN121047715A 02/12/2025
Solicitante:
中国华能集团清洁能源技术研究院有限公司华能广东汕头海上风电有限责任公司华能(广东)能源开发有限公司华能海上风电科学技术研究有限公司
Resumen de: CN121047715A
本提供了一种多风电机组漂浮式基座偏航装置及其控制方法,涉及风力发电的技术领域,装置包括:漂浮式基座、控制器、风向传感器、朝向传感器、舵板组件、主风电机组和两个次风电机组;主风电机组和次风电机组均包括风机头部和沿竖向延伸的塔筒,风机头部连接在塔筒的顶端;塔筒的横截面呈水滴型,且三个塔筒的水滴型的长轴平行,且均垂直于各自的风机头部的叶轮平面;次风电机组的桨距角可调;漂浮式基座的下表面设置有张力腿系泊,漂浮式基座可绕张力腿系泊旋转;舵板组件包括驱动机构和舵板,驱动机构的主体与漂浮式基座固定连接,驱动机构的驱动转轴与舵板连接,以带动舵板相对于漂浮式基座旋转;舵板的转轴沿竖向延伸。