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METHOD FOR OPERATING A WIND TURBINE, CONTROL SYSTEM AND WIND TURBINE

Resumen de: WO2024061641A1

The method is for operating a wind turbine (100) having a rotor (10) with at least two rotor blades (1, 2, 3), a tower (20) and a pitch setting system (13). The method comprises a step, in which first information is provided which is representative for bending moments of the at least two rotor blades and the assigned positions of the rotor blades. In another step, second information is provided which is representative for maximum allowed bending moments of rotor blades when they are in a critical sector close to the tower. In yet another step, third information is determined depending on the first and the second information which is representative for whether the bending moment of at least one rotor blade exceeds the respective maximum allowed bending moment when said rotor blade is in the critical sector. If this is the case, an output signal is generated which is configured to cause the pitch setting system to individually change the pitch angles of the rotor blades in order to reduce a deflection of the rotor blades towards the tower when they pass the tower.

METHOD FOR CONSTRUCTING A WIND FARM WITH ALIGNMENT CONSTRAINTS

Resumen de: CN119907983A

The invention relates to a method for constructing a wind farm in a predetermined space, in which at least the following consecutive steps are carried out: a) forming (GR) individual grids in the predetermined space, b) determining, for each grid, the average annual energy production (AEP-mf) of a small wind farm consisting of wind turbines at the intersections of the cells, c) selecting (Ch) a number of grids capable of maximizing the energy production, and d) selecting (Ch) a number of grids capable of maximizing the energy production. D) for each grid c in step c), determining a first layout (Alg1) of a predefined number of wind turbines on the grid, e) modifying the positions (Alg2) of the wind turbines on the grid, f) determining a deterministic layout (DispF) of the wind turbines within a predetermined space, and constructing (Const) the wind farm.

DRIVE TRAIN FOR A WIND TURBINE AND SERIES OF DRIVE TRAINS

Resumen de: CN119923521A

The invention relates to a drive train (14) for a wind turbine (10), having a transmission (18) for transmitting and converting a torque originating from a rotor shaft (16) of a rotor (12), the transmission (18) having an input transmission element, in particular a planet carrier (32), which is not supported at least on the rotor side and serves to introduce the torque into the transmission (18), and having a coupling unit (46) for coupling the input transmission element to the planet carrier (32). The coupling unit (46) is designed to be separated from the rotor shaft (16) and from the transmission (18) and is used for coupling the rotor shaft (16) to the input transmission component in a torque-transmitting manner, and the coupling unit (46) is provided with a bearing (48) which is used for supporting the unsupported input transmission component in the coupling unit (46). By adapting the bearings of the input transmission components in individually designed coupling units (46) to different demand profiles, alteration of the structure of the transmission (18) can be avoided, thereby enabling a cost-effective driveline (14) for different wind turbines.

METHOD FOR OPERATING A WIND TURBINE, CONTROL SYSTEM AND WIND TURBINE

Resumen de: WO2024061588A1

The method is for operating a wind turbine (100) having a rotor (10) with at least one rotor blade (1, 2, 3), a tower (20) and a pitch setting system (13). The method comprises a step of providing first information which is representative for the tilt bending moment acting on the rotor. In another step, second information is provided which is representative for the thrust force acting on the rotor. In yet another step, third information is provided which is representative for a critical area of thrust forces and tilt bending moments. In another step, fourth information is determined depending on the first, the second and the third information. The fourth information is representative for whether the tilt bending moment and the thrust force lie within the critical area. I f this is the case, an output signal is generated which is configured to cause the pitch setting system to change the pitch angle of the at least one rotor blade in order to leave the critical area.

LOAD CARRYING ASSEMBLY

Resumen de: EP4592522A1

Load carrying assembly (10), comprising a plurality of length sections of used wind mill blades (11) arranged in a preferably symmetrical structural pattern around a common longitudinal axis. The wind mill blade sections are attached to one another by a plurality of spaced apart connection elements (12, 13, 14). The structural pattern is typically symmetrical around a central axis.

BACKUP POWER SUPPLY CONTROL APPARATUS, SYSTEM, WIND TURBINE, AND METHOD

Resumen de: EP4592523A1

This application relates to the technical field of wind turbines, and in particular to a standby power supply control device, a system, a wind turbine generator system and a method. The device includes: a nacelle vibration detection unit, configured to monitor vibrations of a nacelle of a wind turbine and send a first vibration signal obtained by monitoring to a standby power supply start/shutdown control unit; and the standby power supply start/shutdown control unit, configured to acquire the first vibration signal, determine a vibration state of blades on the wind turbine according to the first vibration signal and send a start command to a standby power supply when the vibration state is abnormal vibrations. The standby power supply start/shutdown control unit is further configured to acquire comprehensive vibration information, determine a vibration suppression result of the wind turbine according to the comprehensive vibration information and send a shutdown command to the standby power supply when the vibration suppression result is vibration suppression completed so as to drive the standby power supply to shut down. Thereby, this application solves the problems of short continuous high power supply to the wind turbine when facing the risk of blade flutter between hoisting and grid connection, and poor economic efficiency in the prior art.

WIND TURBINE FLUTTER SUPPRESSION METHOD AND APPARATUS, AND CONTROL SYSTEM AND WIND TURBINE

Resumen de: EP4592521A1

This application relates to the technical field of wind turbines, and provides a wind turbine flutter suppression method and device, a control system and a wind turbine. The method includes: determining a nacelle-wind direction angle between a wind direction and a nacelle direction; and determining a pitching method for changing pitch angles according to the nacelle-wind direction angle. The pitching method includes a speed-controlled pitching scheme and a pitch-angle-sequence-controlled pitching scheme. The speed-controlled pitching scheme includes: regulating pitch angles of blades of the wind turbine according to a rotor speed of the wind turbine to keep the rotor speed within a preset speed range until flutter of the wind turbine is suppressed. The pitch-angle-sequence-controlled pitching scheme includes: performing a pitching operation on the pitch angles of the blades of the wind turbine according to preset pitching rules until the flutter of the wind turbine is suppressed. According to this application, with this method, the flutter suppression of the wind turbine can be realized without yawing by using a low-power standby power supply when the wind turbine is powered down.

FORWARD SWEPT FAN BLADE, DESIGN METHOD AND MANUFACTURING METHOD THEREFOR AND WIND TURBINE

Resumen de: EP4592520A1

The present application relates to a forward swept fan blade, a design method and manufacturing method therefor and a wind turbine. The forward-swept fan blade comprises: a blade body, extending in the length spanwise direction between a root and a tip of the blade; and a pitch axis, extending and vertically penetrating through the center of a root circle. With respect to the pitch axis, on the downstream side of the middle of the blade in the length spanwise direction, the blade deviates in a direction from a trailing edge to a leading edge. Using the forward-swept fan blade in the embodiment of the present application can enable the blade to generate forward torsional deformation during operation, so as to counteract the trend of the blade deviating from the optimal lift-to-drag ratio, thus achieving the purpose of minimum loss of the optimal power coefficient at different rotating speeds, and increasing the overall power generating capacity of wind turbines.

LIGHTNING-PROTECTION DEVICE IN A MODULAR BLADE

Resumen de: EP4592524A1

The present invention relates to a lightning-protection device in a modular blade that connects the outboard module (2), where the lightning strikes, to the inboard module (3) through which the lightning is conducted to the hub, and includes the lightning down conductor cable (9). Said device (7) is an elastic element with greater electrical conductivity than the adhesive (12) used to affix the inserts (11) in holes previously drilled inside the carbon fibre (6) and the make up the metal joint (4) of the modular blade (100). The device (7) is an elastomer with a preferably toroidal shape thar surrounds each and every one of the metal elements (4) that make up the joint of the blade and covers the gap formed between the carbon fibre (6) of the cap (5) and the aforementioned metal elements (4). The use of other shapes and other conductive materials that allow its geometry to be elastic is an option.

SHEAR WEB ASSEMBLY

Resumen de: EP4592519A1

The invention describes a shear web assembly (1) for a wind turbine rotor blade (4), comprising a composite shear web (10); at least one electrical cable section (12) bonded to the bag-side (10B) of the shear web (10), wherein the length (L₁₂) of an electrical cable section (12) is at most 80% of the shear web length (L₁₀); and a bonding layer (18) over each electrical cable section (12), wherein a bonding layer (18) comprises resin-infused reinforcing material and is formed concurrently with the composite shear web (10). The invention further describes a method of manufacturing such a shear web assembly (1), and a wind turbine rotor blade (4) comprising such a shear web assembly (1).

METHOD FOR REPAIRING A SHEAR WEB OF A WIND TURBINE ROTOR BLADE AND WIND TURBINE ROTOR BLADE

Resumen de: EP4592525A1

The invention concerns a method for repairing a shear web (140) of a wind turbine rotor blade (110), wherein the shear web (140) comprises a defect (152) at the root end (142), the defect (152) running essentially along a longitudinal direction (120) of the wind turbine rotor blade (110). The method comprises the steps of:- providing a defect-bridging device (154) having a first cover plate (156) and a second cover plate (158), both the first cover plate (156) and the second cover plate (158) comprising an inner surface (164) and an outer surface (166), and- bonding the first cover plate (156) with its inner surface (164) onto a first surface region (168) of the shear web (140) and bonding the second cover plate (158) with its inner surface (164) onto a second surface region (170) of the shear web (140), such that both cover plates (156, 158) at least partly cover the defect (152).The invention also relates to a wind turbine rotor blade (110) .

FLOATING SUPPORT STRUCTURE WITH MULTIPLE CENTRAL COLUMNS FOR AN OFFSHORE WIND TURBINE AND METHOD FOR ASSEMBLING SUCH A STRUCTURE

Resumen de: CN119894765A

The invention relates to a floating support structure (2-1) for an offshore wind turbine, comprising: a lower connector (4) centered on the axis (X-X) of the mast (9) of the wind turbine, said lower connector (4) comprising at least three lower receiving grooves (10) uniformly distributed around the axis of the mast of the wind turbine; an upper connector (6) centered on the axis of the mast of the wind generator, the upper part of which comprises means (14) for receiving the mast of the wind generator and the lower part of which comprises at least three upper receiving grooves (12) uniformly distributed around the axis of the mast of the wind generator; and at least three identical tubular central posts (8), the lower end of which is fitted in one receiving groove of the lower connector and the opposite upper end of which is fitted in one receiving groove of the upper connector (so as to form a floating support tower adapted to the vertical extension of the mast of the wind turbine). The invention further relates to an assembling method of the structure.

TURBINE BLADE WITH AUXILIARY DEFLECTOR

Resumen de: MX2025003430A

A fluid flow turbine blade assembly for a turbine rotor includes a blade and a deflector extending spanwise along at least a portion of the blade. At least a portion of an upstream surface of the deflector, along at least a portion of a span of the deflector, has a concave shape in a chordwise direction such that at least a portion of a chord line between leading and trailing edges of the deflector is disposed outside a profile defined between the upstream surface and a downstream surface of the deflector. The deflector has a substantially uniform thickness or a chord-wise varying thickness between the upstream surface and the downstream surface. The deflector alters fluid flow over the blade so as to increase the blade's contribution to global torque generated by the assembly so that, with the deflector's torque contribution, the global torque of the assembly is greater than the global torque that would be generated by the blade alone without the benefit of the deflector.

INDUSTRIAL GEAR UNIT IN THE FORM OF A PLANETARY TRANSMISSION WITH AN INTERMEDIATE ELEMENT ASSEMBLY AND METHOD AND USE

Resumen de: CN119895179A

The invention relates to an industrial gear unit (100) having at least one shaft (101) and at least one shaft receptacle (103) for mounting the shaft in an axially fixed manner, the shaft being mounted in the shaft receptacle in an axially fixed manner in at least one axial portion (X1, X2) of the shaft, according to the invention, an intermediate element assembly (10) is arranged between the shaft receptacle (103) and the shaft (101) in such a way as to act in the axial section, said intermediate element assembly being mounted between the shaft and the shaft receptacle in an axially fixed and axially force-transmitting manner, the intermediate element assembly has a laser structured surface (10.1) in at least one surface portion (10.1 a, 10.1 b) on the shaft and/or on the shaft receptacle and is thus intended for at least substantially force-fitting and optionally also form-fitting support with respect to an axial displacement, wherein a conical pressure fit or similar connection which produces a form fit at a macro level can be additionally provided. The invention also relates to a corresponding intermediate element having a laser-structured surface for such an intermediate element assembly, to a method for the production thereof, and to the use thereof in planetary gear systems, in particular for wind turbines.

风电机组滑动偏航系统的监控装置和风电机组

Resumen de: CN223164641U

本实用新型公开了一种风电机组滑动偏航系统的监控装置和风电机组，滑动偏航系统包括机舱支架、偏航齿圈、制动器钳体和摩擦片，摩擦片沿竖向被挤压在机舱支架与偏航齿圈的上端面之间，制动器钳体与机舱支架固定连接，使得摩擦片沿横向被限位于机舱支架与制动器钳体之间，摩擦片设有自底面向上延伸一定深度的盲孔，机舱支架在与盲孔对应的位置处设有通孔，监控装置包括安装在盲孔中的相互连接的压电片和信号发射器以及安装在通孔中的信号接收器，压电片与偏航齿圈的上端面间隔一定距离。本实用新型的监控装置解决了风电机组滑动偏航轴承难以测量磨损量的问题，通过自动预警提高了维护工作的便利性，并且提高了机组运行的安全性和可靠性。

叶身支撑工装、运输系统、风场以及风力发电机组

Resumen de: CN223164639U

本申请涉及一种叶身支撑工装、运输系统、风场以及风力发电机组，用于叶片，叶片包括叶根、叶尖以及位于叶根与叶尖之间的叶身，叶身支撑工装包括：第一框架，具有沿第一方向贯通设置的空腔，第一框架能够与第一运输设备连接；叶片保持器，用于保持固定叶片的叶身，叶片保持器设置于空腔并与第一框架可拆卸连接，叶片保持器的至少部分能够与第二运输设备连接。本申请提供的叶身支撑工装以及运输系统，叶身支撑工装能够叶片在不同工况下运输时对叶身的支撑要求，通用性好，且无需叶身反复拆装，能够降低叶身损伤概率。

一种风电机组机舱漏油检测及防污染塔筒的装置

Resumen de: CN223164642U

本实用新型涉及一种风电机组机舱漏油检测及防污染塔筒的装置，包括：通风孔挡油组件，围绕机舱罩上每个通风孔的外沿均设置有一个所述通风孔挡油组件，用于防止从所述通风孔处漏油；机舱罩底部集油组件，所述机舱罩底部集油组件设置于所述机舱罩上，用于横向隔断所述机舱罩后端与位于所述机舱罩前端的所述通风孔区域；漏液检测组件，所述漏液检测组件设置于所述机舱罩底部集油组件背离所述通风孔挡油组件一侧的所述机舱罩上，用于检测所述机舱罩上是否存在漏液。本实用新型的有益效果是本装置可有效减少机舱内油液泄漏到外部的情况，降低因清洗塔筒、环境整改等不必要的风电机组运维成本。

垂直轴风机结构

Resumen de: CN223164638U

本实用新型涉及风机发电技术领域，具体而言，涉及一种垂直轴风机结构。垂直轴风机结构包括风轮主轴、增速箱、发电机、塔筒和至少一个叶片；叶片周向设置于风轮主轴上，且叶片沿风轮主轴的高度方向延伸；风轮主轴的顶部与增速箱的顶部连接，增速箱的底部与发电机的顶部连接，发电机的底部与塔筒的顶部连接。如此能够简化风机结构，增加冷却效率和提高发电效率。

叶片保持器、运输系统、风场及风力发电机组

Resumen de: CN223164640U

本实用新型涉及一种叶片保持器、运输系统、风场及风力发电机组，叶片保持器包括：基体，包括相对设置的第一座体、第二座体；夹持组件，包括设置于第一座体上的第一夹持部件以及设置于第二座体上的第二夹持部件，第一夹持部件、第二夹持部件被配置为夹持固定叶片；其中，第一夹持部件的至少部分相对第一座体具有移动以及转动自由度，和/或第二夹持部件的至少部分相对第二座体具有移动以及转动自由度。本实用新型涉及的叶片保持器、运输系统、风场及风力发电机组，能够保证对叶片的夹持固定作用，保证叶片运输的可靠性。

一种海上运输安装一体化自升式大型风电安装船

Resumen de: CN223161942U

本实用新型公开了一种海上运输安装一体化自升式大型风电安装船，包括船体、上建、全回转推进器、侧向推进器、四条桩腿、主吊机以及辅吊机，所述主吊机以绕桩吊形式设置在船舶艉部右桩腿上，所述辅吊机以绕桩吊形式设置在船舶艉部左桩腿上，主吊机臂架釆用主、副臂架铰接桁架的形式，由主臂架、副臂架、立柱、前拉索和后拉索组成，主臂架顶部设主吊钩、副吊钩，副臂架顶部设小钩，本实用新型所述的风电安装船具有良好的起重性能，兼顾单桩施工和风机安装的特点，且易于保证船船平衡，甲板可用面积大，有效装载多等优势，还能依靠自身将单桩吊至船舶甲板上，辅吊机具有翻桩功能，提升了船舶的性能，为风机的安装提供了另一种思路。

一种用于自然风下风电叶片颤振研究的缩比试验装置

Resumen de: CN120384849A

本发明提供了一种用于自然风下风电叶片颤振研究的缩比试验装置，属于风力机叶片颤振试验，该用于自然风下风电叶片颤振研究的缩比试验装置其特征在于，包括由风力机主体、控制系统以及监测装置构成的风力机缩比模型，风力机主体包括地基、塔架和叶片，控制系统用于控制风力机转速，由相似准则得到来流风速下对应的风力机缩比模型的转速实现对风力机的转速调节；监测装置用于监测自然风风速以及进行缩比叶片颤振形态的无接触式监测；控制系统包括变桨装置、偏航装置、伺服电机和控制器；监测装置包括风速仪、风向传感器、高速摄像机、六分量天平；本发明能够解决不能结合自然风状态下反应实际叶片颤振变化的问题。

基于叶轮方位角与变桨电机电流的净空保护方法及系统

Resumen de: CN120384842A

本发明公开了一种基于叶轮方位角与变桨电机电流的净空保护方法及系统，包括，在风机并网发电模式下，实时获取叶轮方位角信号；风机的三支叶片的变桨电气驱动系统在每个控制任务周期内，发送各自的变桨电机电流信号至主控PLC；由主控PLC根据风机的三支叶片在叶轮旋转平面内的排列次序，依次判断每支叶片在掠过塔筒，即叶轮方位角到达对应的预设角度时，其变桨电机电流是否超出预设的保护阈值范围；进而根据判断结果控制三支叶片的动作。本发明在叶片掠过塔筒的一定叶轮方位角范围内，若叶片变桨电机电流数值超过设定阈值时，能够立即触发净空保护控制动作，具有能够适应各种天气、响应速度快、准确度高、低成本等优点。

基于多源数据的风机运行状态智能控制系统

Resumen de: CN120384839A

本申请提供了一种基于多源数据的风机运行状态智能控制系统，涉及风力发电领域，其首先采集目标风机对象的运行参数数据的时序集和电场出口功率数据的时序集，然后构建场域‑设备两级信息融合机制，将电场出口功率的全局时序特征与单机运行参数的局部时序特征进行互信息引导的深度交互，从而利用电场出口功率时序特征来优化风机运行状态自信息的表达，确定风机运行状态检测结果，并确定预警级别和控制策略，进而生成风机运行控制信号，用以突破传统方法中风电场运行的全局上下文信息与局部设备状态解耦的技术瓶颈，有利于更为准确地进行风机运行状态检测和控制。

一种基于数字孪生的风电场设备建模与运维管控方法、装置

Resumen de: CN120389511A

本申请提供一种基于数字孪生的风电场设备建模与运维管控方法、装置，通过高精度数字孪生模型构建：基于1:1三维建模技术还原风机实体，集成多源数据，包括设备传感器、视频监控、GIS地形数据，实现物理场与虚拟场的实时映射。智能决策支持模块：利用动态边界层模型预测风资源分布，结合虚拟惯量模拟技术优化并网控制策略，实现新能源波动场景下的电网暂态稳定性保障。全生命周期管理平台：支持从选址规划、运行监控到故障诊断的全流程管理，通过三维可视化大屏实现多业务数据融合展示与交互式运维策略验证。

用于风力涡轮的加热系统的加热电路及其操作方法

Nº publicación: CN120384852A 29/07/2025

Solicitante:

通用电气基础设施技术有限责任公司

Resumen de: CN120384852A

本申请涉及用于风力涡轮的加热系统的加热电路及其操作方法，具体而言，涉及一种操作连接于电网的风力涡轮的加热系统的方法。方法包括经由加热系统的加热电路接收来自电网的电压信号。方法还包括使用加热系统的加热电路处理电压信号。使用加热系统的加热电路处理电压信号包括将脉宽调制(PWM)信号叠加到电压信号上。此外，方法包括经由来自加热电路的PWM信号向加热系统的至少一个加热元件提供连续温度控制。另外，方法包括在风力涡轮的操作期间，使用PWM信号将至少一个加热元件的温度维持在温度范围内，以最小化至少一个加热元件的温度循环。