Alerta

FOUNDATION DEVICE FOR AN OFFSHORE WIND TURBINE TOWER

Resumen de: EP4596389A1

The present invention relates to a device for supporting an offshore wind turbine tower. The device comprises a first body (1), a support body (3) attached to the first body (1), a second body (2) and a plurality of legs (4) attached to the second body (2). The support body (3) has a cylindrical interior and is configured to provide support for and connection of a wind turbine tower (10). The first body (1) comprises a central portion (5) connected to the support body (3) and a plurality of hollow arms (6), connected with the central portion (5). Each hollow arm (6) comprises a through-hole (7) configured to allow a leg (4) to pass through the through-hole. The first body (1) has a volume and a weight configured to provide, when empty, a buoyancy of at least 20% of the weight of the entire device, the weight of the first body (1) being less than 8% of the weight of the entire device. The legs (4) and/or the first body (1) have a locking system configured to lock the relative position between the legs and the first body.

LOAD REDUCTION METHOD IN WIND TURBINES

Resumen de: WO2024067935A1

The present invention relates to a method for operating a wind turbine during an undervoltage event where a grid voltage drops to an undervoltage value, wherein the wind turbine comprises a generator being operatively connected to a power grid, an auxiliary system comprising one or more auxiliary electrical components and one or more auxiliary electrical loads, an auxiliary transformer being operatively connected on a primary side to the generator and to the power grid, and being operatively connected on a secondary side to the auxiliary system, and a load controller being arranged to reduce one or more auxiliary electrical loads in the auxiliary system in response to a detected undervoltage event, the method comprising the steps of determining, using the load controller, that an undervoltage event has occurred, and reducing, using the load controller, one or more auxiliary electrical loads in the auxiliary system thereby preventing tripping of one or more auxiliary electrical components or tripping of the entire wind turbine. The present invention also relates to a wind turbine arranged to perform this method.

海上風力発電機用進水装置

Resumen de: JP2025115373A

【課題】超大型バージ船の動員なしでも海上風力発電機の進水が円滑に行えるようにする海上風力発電機用進水装置を提供する。【解決手段】本発明は、海岸構造物の前方に間隔を空けて向かい合わせに配置される一対の第１浮遊体１０、上記第１浮遊体のいずれか一つと他の一つの間に続く連結部材３０、上記連結部材の一地点および他地点から上記第１浮遊体のいずれか一つおよび他の一つを通じて外向きに続く一対の延長部材４０、および上記第1浮遊体の前方に間隔を空けて向かい合わせに配置され、上記延長部材にスライド可能に結合され、外向きおよび内向きに移動する一対の第2浮遊体２０、を含むことを特徴とする海上風力発電機用進水装置に関する。【選択図】図２

海上風力発電機用進水装置

Resumen de: JP2025115372A

【課題】超大型バージン船の動員なしでも海上風力発電機の進水が円滑に行えるようにする海上風力発電機用進水装置を提供する。【解決手段】本発明は、海岸構造物の前方の一地点に配置される第1浮遊体；上記海岸構造物の前方の別の一地点に配置され、上記第1浮遊体と間隔を空けて向かい合わせに配置される第2浮遊体；上記第1浮遊体と上記第2浮遊体の間に続く連結部材；上記連結部材の一端と他端の中間から港外方向に続く延長部材；および上記延長部材にスライド可能に結合され、港外方向および港内方向に移動する第3浮遊体；を含むことを特徴とする海上風力発電機用進水装置に関する。【選択図】図１

OPERATIONALLY RELIABLE BEARING ASSEMBLY FOR A PITCH TUBE OF A WIND TURBINE

Resumen de: CN119895145A

The invention relates to a bearing assembly (28) for a pitch tube of a wind turbine (10), comprising a drive shaft (30), a bearing box (36) for mounting and sealing the pitch tube (26) relative to the drive shaft (30), a fastening flange (32) formed by the drive shaft (30) or the pitch tube (26) for fastening the bearing box (36) in a rotationally fixed manner, and an insulating element (34), the insulating element is fastened to the fastening flange (32) via a first fastening element (46) and to the bearing housing (36) via a second fastening element (48) for electrically insulating the pitch tube (26) from the propeller shaft (30). By means of the bearing box (36) which is fastened in an electrically insulating manner by an insulating element (34), the pitch tube (26) can be passed through the transmission (18) of the wind turbine (10) in a mechanically and electrically more operationally reliable manner in a low-cost and simple manner.

RELIABLE PITCH TUBE FOR A BLADE PITCH CONTROL SYSTEM OF A WIND TURBINE

Resumen de: CN119998545A

The invention relates to a pitch tube (26) for a blade pitch control system of a wind turbine (10), provided with a tube body (28) extending from a first axial end to a second axial end for passing a supply line through a gearbox (18), the tube body (28) being made of a non-conductor material at least in an axial partial region, the first axial end is electrically insulated from the second axial end and/or the tube body (28) is electrically insulated from the gearbox (18). The pitch tube (26) itself is electrically insulated due to the non-conductor material of the tube body (28), which allows the pitch tube (26) to pass through the gearbox (18) of the wind turbine (18) in a cost-effective and simple manner while ensuring electrical operational safety.

WIND POWER PRODUCTION PREDICTION USING MACHINE LEARNING BASED IMAGE PROCESSING

Resumen de: CN120035834A

A method includes determining a power profile image comprising a plurality of pixels, the power profile image representing power generation of a plurality of wind turbines of a wind farm as a function of wind speed. The method further includes determining, by a machine learning (ML) encoder model, a potential representation of an attribute of the wind farm based on processing the power curve image by the ML encoder model. The method additionally includes obtaining expected weather data corresponding to a future time. The method further includes determining an expected power generation of the wind farm at a future time based on the potential representation and the expected weather data; and generating an output comprising the expected power generation.

SYSTEM AND METHOD FOR REDUCING POWER CHANGES ON A DRIVETRAIN OF A POWER GENERATING ASSET DURING A GRID EVENT

Resumen de: CN119923519A

A method for controlling a power generation asset connected to a power grid includes receiving, via a controller, a grid power limit associated with one or more grid events occurring in the power grid. During one or more grid events, the method includes implementing a power softening function via a controller. The power softening function includes increasing the power command of the generator above the grid power limit to avoid a large change in the power of the generator, thereby reducing the likelihood of coupling slip of the driveline and based on the energy buffer power command. Additional power generated during the one or more grid events is transferred to an energy buffer of the power converter to maintain a net power generated by the power generating asset within the grid power limit.

SYSTEM AND METHOD FOR DIVERTING POWER OSCILLATIONS TO AN ENERGY BUFFER AFTER A GRID EVENT

Resumen de: CN119948253A

A method for controlling a power generation asset connected to a power grid includes receiving, via a controller, a grid power target associated with an operating power level prior to occurrence of one or more grid events in the power grid. The method also includes implementing, via the controller, the power transfer function during recovery from the one or more grid events. The power transfer function includes calculating an expected grid power based on at least one of a grid power target and a grid power limit, calculating a power deviation between a power associated with the driveline and the expected grid power, and diverting at least a portion of the power bias to an energy buffer to prevent the portion of the power bias from reaching the power grid.

OFFSHORE STRUCTURE, IN PARTICULAR A FLOATABLE OFFSHORE STRUCTURE

Resumen de: WO2024067992A1

The offshore structure (100, 200, 300, 400, 500, 600, 700, 800), in particular a floatable offshore structure (200, 300, 400, 500, 600, 700, 800), comprising: at least one submarine cable connector (102, 203, 302, 502, 602, 702, 802) configured to connect a submarine power cable (108, 208, 308, 508, 608, 708, 808) to an electrical device (104, 204) of the offshore structure (100, 200, 300, 400, 500, 600, 700, 800), characterized in that the offshore structure (100, 200, 300, 400, 500, 600, 700, 800) further comprises: at least one messenger line (114, 214, 314, 514, 614, 714), wherein a first end (101, 201, 301, 501, 601, 701) of the messenger line (114, 214, 314, 514, 614, 714) is fixed to the submarine power cable (108, 208, 308, 508, 608, 708, 808) and a further end (103, 203, 303, 503, 603, 703) of the messenger line (114, 214, 314, 514, 614, 714) is fixed to the offshore structure (100, 200, 300, 400, 500, 600, 700, 800).

风力发电机组混合智能测风系统

Resumen de: CN120428255A

本发明公开了一种风力发电机组混合智能测风系统，涉及风力发电技术领域，公开了一种风力发电机组混合智能测风系统，包括六大核心模块：风速数据采集模块通过激光测风单元获取轮毂前风风速、机械测风单元获取机舱后风风速；数据处理模块筛选非异常天气数据，构建不同机组类型的风速关联模型；风速转换模块基于关联模型实现非异常天气下后风到前风的转换；训练模块采用随机森林算法训练模型，结合交叉验证优化以避免过拟合；异常天气补偿模块通过雨雪、冰冻、大风三类专用补偿公式修正异常天气下的后风数据，推算前风风速；反馈与优化模块通过实时数据调整模型参数，定期再训练以适应新天气和数据变化。

一种基于物联网的海上风电储能设备监控系统

Resumen de: CN120426184A

本发明公开了一种基于物联网的海上风电储能设备监控系统，涉及海上风电技术领域。该基于物联网的海上风电储能设备监控系统，包括：特征提取模块、特征融合与加权处理模块、核心预测模块、输出与展示模块、模型动态校准与更新模块、极端天气响应模块；通过物联网技术实时收集环境、设备和交互特征，利用多模态注意力机制进行特征融合与动态权重分配，提高了特征处理的准确性和效率。LSTM‑Transformer混合网络和随机森林回归子模型的应用，使得系统能够精准预测设备健康度、电池剩余寿命和故障风险，为设备维护和管理提供了有力支持。此外，极端天气响应模块能够针对台风等恶劣天气进行特征调整和健康度评分修正，增强了系统的鲁棒性和实用性。

一种海上风机基础植桩灌浆施工方法

Resumen de: CN120425724A

本申请涉及一种海上风机基础植桩灌浆施工方法，包括以下步骤：对钢管桩进行改造，进行的改造包括在钢管桩靠近底部的一侧设置进浆孔，和在桩底封板上设置封孔盖板；对钢管桩进行植桩，植桩同时在钢管桩的外壁布设灌浆管线至进浆孔的位置，封孔盖板打开桩底封板的中心孔，然后通过进浆孔向钢管桩内灌入浆料混凝土以进行封底灌浆；在封底灌浆完成后，将封孔盖板闭合桩底封板的中心孔，然后进行钢管桩内的填方压盖，在填方压盖完成后，立即进行桩外一次环缝灌浆；在桩外一次环缝灌浆完成18小时后，进行桩内填砂、碎石封顶、压桩器拆除、护筒段二次环缝灌浆和护筒拔除的施工作业，碎石封顶的顶部标高需低于导管架插尖底部。

一种齿轮箱疲劳分析方法及系统

Resumen de: CN120426189A

本发明涉及齿轮箱疲劳分析技术领域，尤其涉及一种齿轮箱疲劳分析方法及系统。所述方法包括以下步骤：通过振动传感器监测风力发电机齿轮箱的振动数据，首先提取异常振动状态并进行频域结构分析，得到异常振动频域结构数据；接着，基于频域数据进行分数倍频突变强度解析，获取边频带突变强度数据，并通过这些数据模拟和量化齿轮箱的疲劳载荷。然后，利用疲劳载荷数据进行特征学习，基于决策树算法构建齿轮箱疲劳分析模型；最后，将该模型发送至终端，以执行疲劳分析方法。本发明通过对齿轮箱疲劳分析技术的优化处理使得齿轮箱疲劳分析技术更加完善。

一种无叶片风机控制系统

Resumen de: CN120426172A

本发明涉及控制器技术领域，尤其涉及一种无叶片风机控制系统，包括环境感知模块、核心控制模块、执行模块、电源备份模块和人机交互模块；本发明相对于现有技术采用集成变桨控制、风速监测等冗余功能的复杂控制器方案，存在硬件成本高、体积庞大且适配性差的缺点，本方案通过精简硬件架构，去除无叶片风机不需要的变桨调节和并网控制模块，采用专用自适应温控算法和分体式环境感知设计，显著降低了系统成本与体积，同时提升了对无叶片风机特殊工况的适配性，实现了小型化、低成本与高兼容性的协同优化。

用于对风力涡轮机的发电机的温度进行监测的方法以及发电机

Resumen de: EP4597804A1

Es wird ein Verfahren zur Temperaturüberwachung eines elektrischen Generators (200) einer Windenergieanlage (100) vorgesehen, wobei der Generator (200) einen Stator (220), einen Rotor (210) und eine Temperaturüberwachungseinheit (300) aufweist. Die Temperaturüberwachungseinheit weist ein passives Steuerelement (310) an dem Rotor (210) und eine Empfangseinheit (320) an dem Stator (220) auf. Eine Temperaturänderung am Rotor (210) führt zu einer mechanischen oder optischen Änderung des passiven Steuerelementes (310). Die mechanische oder optische Änderung des passiven Steuerelementes (310) wird durch die Empfangseinheit (320) an dem Stator (220) erfasst.

空中漂浮式风力发电方法

Resumen de: CN120426179A

本发明提供一种空中漂浮式风力发电方法，本发明属于空中发电领域，包括：热漂浮装置带动风电机组在空中漂浮；风电机组工作，持续产生电能的同时产生热能；将风电机组发电过程产生的热能转化为第一热空气以供热漂浮装置带动风电机组在空中漂浮。目的在于解决现有技术中的空中漂浮式风力发电方法需要借助完全借助新的能源来实现，现有风力发电机运行中产生的热能不利于机组的运行，会采用一定的方式将热能散发，进而造成了能源的浪费的问题。达到的技术效果为：利用风电机组发电的余热为热漂浮装置提供热能，实现了资源的有效利用的同时不占用土地资源。

一种新型风电储能系统

Resumen de: CN223194461U

本实用新型公开了一种新型风电储能系统，包括主机体，所述主机体的前端位置处安装有箱门，所述盖子的底部位置处设置有底部防护网，本装置在散热孔的内部位置处安装有套筒，工作人员通过固定柱操控弧形板进行转动，使得顶部防护网暴露在套筒的上端位置处，这样主机体内部产生的热量穿过底部防护网和顶部防护网进行排出，同时盖子的内部位置处放置有防尘棉，使得灰尘和杂物不会进入到主机体的内部位置处，当防尘棉需要进行更换时转动盖子，将其拆卸即可对防尘棉进行更换，主机体在停止工作时，转动弧形板将顶部防护网完全覆盖，使得散热孔处于封闭状态，通过这样调节方式可增加散热孔使用的灵活性。

一种便携式小型风力发电设备

Resumen de: CN223190552U

本实用新型涉及小型风力发电设备技术领域，具体为一种便携式小型风力发电设备，包括底座，所述底座的四周设有固定板，所述底座的上方焊接有支撑柱A，所述支撑柱A的内部套有支撑柱B，所述支撑柱B的内部套有支撑柱C，所述支撑柱C的内部套有支撑柱D，所述支撑柱D的内部套有支撑柱E，所述支撑柱E的上方设有旋转法兰，所述旋转法兰的上方通过第二固定孔固定有发电机，所述发电机的右侧设有风叶，所述发电机的左侧通过尾翼孔固定有尾翼；风叶拆卸收缩减少空间；其中一个贯穿固定孔B的铆钉不可拆卸，另一个贯穿固定孔B为拆卸螺栓，随时可以拆卸，当需要折叠风叶时拆卸螺栓拆卸后可以对风叶进行折叠。

一种轴承润滑结构及风电齿轮箱

Resumen de: CN223190964U

本实用新型涉及齿轮箱技术领域，具体公开了一种轴承润滑结构及风电齿轮箱，该轴承润滑结构包括轴承座、支撑底壳、挡油板和驱动装置；轴承座设于齿轮箱体内，旋转轴承设于轴承座上，支撑底壳设于轴承座的侧壁上，且位于旋转轴承的下方，挡油板沿竖直方向可移动设于支撑底壳上，以使轴承座、支撑底壳和挡油板能够合围形成存油槽；驱动装置传动连接于挡油板，用于驱动挡油板沿竖直方向移动，且驱动装置设于齿轮箱体的外侧。本实用新型中驱动装置能够驱动齿轮箱体内的挡油板上下移动，以此使存油槽内的润滑油能够浸润或脱离旋转轴承的下端位置，进而实现对旋转轴承的润滑，以此防止旋转轴承由于无润滑或润滑情况较差而出现损伤。

一种巴沙木芯材增强型风力叶片腹板

Resumen de: CN223190551U

本实用新型涉及风力叶片腹板技术领域，公开了一种巴沙木芯材增强型风力叶片腹板，包括第一风力叶片壳体和第二风力叶片壳体，所述第一风力叶片壳体上固定设置有第二风力叶片壳体，所述第一风力叶片壳体和第二风力叶片壳体之间设置有壳室，所述壳室的内壁分别固定粘接有第一巴沙木芯材叶片腹板和第二巴沙木芯材叶片腹板；多个第一螺旋叶片和多个第二螺旋叶片共同拼成锥形螺旋式并适配第一风力叶片壳体和第二风力叶片壳体内的壳室，使多个第一螺旋叶片和多个第二螺旋叶片上的第一T型侧壁支撑板和第二T型侧壁支撑板呈锥形螺旋式粘接在壳室的内壁上，从而增强第一巴沙木芯材叶片腹板与第二巴沙木芯材叶片腹板与壳室内壁粘接的稳定性。

抜け止め用弾性止め輪の取付方法

Resumen de: WO2025007604A1

The present invention relates to the technical field of automatic mounting of anti-off elastic retaining rings, and in particular to a mounting method for an anti-off elastic retaining ring. A guide sleeve and a shaft for mounting are comprised, wherein a groove is formed in the shaft for mounting, the guide sleeve comprises a tapered section, the radial dimension of the narrow end of the tapered section is smaller than the locking diameter of a retaining ring body, the radial dimension of the wide end of the tapered section is larger than the locking diameter of the retaining ring body, the guide sleeve is coaxially coupled to the front end of the groove corresponding to the shaft for mounting, and the wide end of the tapered section faces the groove. A pressing sleeve is comprised, and the pressing sleeve is sleeved on the outer side of the guide sleeve and can move axially along the guide sleeve, and an unlocking protrusion is provided on the side of the pressing sleeve close to the shaft for mounting. The elastic retaining ring can be automatically unlocked, is suitable for automated production and can improve the production efficiency.

一种可调节塔架支撑装置

Resumen de: CN223190557U

本实用新型公开了一种可调节塔架支撑装置，包括：连接座和连杆结构；连接座设置有两个，两个连接座对称设置；连杆结构安装在两个连接座之间，连杆结构包括中间连杆组件、转接连杆和调节连杆，中间连杆组件的两端安装有转接连杆；调节连杆的一端与转接连杆远离中间连杆组件的一端相连，另一端与连接座相连；中间连杆组件包括至少一个中间连杆，不同数量的中间连杆沿着其轴向方向安装以形成不同长度的中间连杆组件。此结构解决了格构式风电塔架，单节拼装完成模块化吊装时，常因自身重量和外部吊装力不平衡的作用，容易发生挠曲变形，主柱间距发生位移变化，造成上、下段之间对接误差大，后续的校正工作将变得复杂且困难的问题。

风力发电机组的叶片

Resumen de: CN223190560U

本实用新型提出一种风力发电机组的叶片，包括：叶片本体和叶片表面套；其中，叶片本体内部空腔中沿着叶片本体的纵向范围安装有腹板，且腹板将叶片本体内部空腔分隔为进气通道和回流通道；叶片表面套从叶尖区域沿着叶片本体的纵向范围全部或者部分密封覆盖在叶片本体的外表面，叶片表面套的内表面与叶片本体的外表面之间具有空隙；进气通道的外壁和回流通道的外壁均设置有多个开孔，且多个开孔均位于叶片表面套所覆盖的区域内，不仅可以提升加热效率，也可以使加热更均匀，进而可以提升除冰效率。

一种风力发电机组的齿轮箱弹性支撑复位装置

Nº publicación: CN223190959U 05/08/2025

Solicitante:

中广核贵州龙里风力发电有限公司

Resumen de: CN223190959U

一种风力发电机组的齿轮箱弹性支撑复位装置，包括工装支撑座、液压千斤顶和两块工装支撑板，每块工装支撑板的两侧部开设有若干穿孔，两块工装支撑板之间连接有若干工装螺杆；综上所述，本实用新型旨在解决因风力变化导致的齿轮箱弹性支撑窜动问题，减少因弹性支撑移位造成的维护成本和时间，该方案通过使用特制的工装(包括工装支撑座、液压千斤顶和工装支撑板等)实现了在塔上直接复位弹性支撑的目的，避免了传统方法中需要将齿轮箱下塔维修的不便。