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A METHOD FOR TESTING A FUNCTIONALITY OF A SYSTEM OF A WIND TURBINE, A CONTROLLER AND A DRIVE SYSTEM

Resumen de: EP4700236A1

A method for testing a functionality of a system (200) of a wind turbine (100), in particular a drive system of a wind turbine, the system (200) is provided. The system comprises an electro-mechanical actuator (250), an energy storage unit (240), and an energy dissipating element (260) connectable to the energy storage unit (240) for selectively transferring energy from the energy storage unit (240) to the energy dissipating element (260). The method comprises: providing first information (11) which is representative of an operating mode of the system (200), and, if the operating mode is a test mode: causing a discharging of energy from the energy storage unit (240) and a supply of at least a portion of the discharged energy to the energy dissipating element (260); receiving measurements (M1, M2, M3, M4) being representative of a state of at least one of the energy storage unit (240) and the energy dissipating element (260) during the discharging and the supply; and determining a functionality of at least one of the energy storage unit (240) and the energy dissipating element (260) based on the measurements (M1, M2, M3, M4). Further aspects relate to a controller (210, 218) configured to execute the method and to a drive system.

METHOD FOR CONTROLLING A WIND FARM

Resumen de: EP4701026A1

Verfahren zum Steuern eines mehrere Windenergieanlagen aufweisenden Windparks, wobei der Windpark zum Einspeisen elektrischer Leistung über einen Netzanschlusspunkt an ein eine Netzspannung mit einer Netzfrequenz aufweisendes elektrisches Versorgungsnetz angeschlossen ist, wobei der Windpark wahlweise in einem Normalbetriebsmodus oder einem von mehreren Auswahlbetriebsmodi betrieben wird, und der Normalbetriebsmodus und jeder der Auswahlbetriebsmodi jeweils einen Einspeisebetriebsmodus bilden, der festlegt, unter welchen Bedingungen der Windpark in das elektrische Versorgungsnetz einspeist, oder zum Einspeisen vorgehalten wird, und wobei ein Auswahlbetriebsmodus in Abhängigkeit von einem Auswahlsignal ausgewählt wird, wobei das Auswahlsignal eine Information enthält, welcher der Auswahlmodi auszuwählen ist, und der Windpark in dem Normalbetriebsmodus betrieben wird, wenn kein Auswahlsignal vorliegt, das zur Auswahl eines Auswahlbetriebsmodus führt.

METHOD OF BALANCING ROTOR BLADE SEGMENTS FOR A SET OF WIND TURBINE ROTOR BLADES

Resumen de: EP4700233A1

The invention concerns a method of balancing rotor blade segments (132, 134) for a set of wind turbine rotor blades (110), the method comprising the steps:- providing a set of rotor blade segments (132, 134), the set of rotor blade segments (132, 134) comprising first rotor blade segments (132) and second rotor blade segments (134),- balancing the first rotor blade segments (132) comprising the sub-steps:-- determining a mass moment of each of the first rotor blade segments (132),-- determining a first rotor blade segment (132) having the highest mass moment amongst the first rotor blade segments (132),-- adding balancing ballast (138) to each of the remaining first rotor blade segments (132) such that each of the remaining first rotor blade segments (132) has a mass moment equal to the highest mass moment,- connecting each first rotor blade segment (132) to a second rotor blade segment (134) to form the set of wind turbine rotor blades (110).

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

Resumen de: EP4700234A1

A wind turbine, control system and method for operating a wind turbine during idling, the method comprising establishing two or more idling modes, the two or more idling modes including a first idling mode and a second idling mode, wherein the second idling mode comprises operating a wind rotor of the wind turbine at a higher rotational velocity than the first idling mode, determining an idling mode from the two or more idling modes, based at least in part on one or more fixed preference parameters and/or a measured parameter, the determination being related to an aerodynamic damping criterion and to an off-grid power generation requirement criterion, and selecting the idling mode resulting from the determination, when at least one of the criterions is fulfilled, and operating the wind turbine in said idling mode.

VERTICAL ROTOR TURBINE AND ITS PRODUCTION METHOD

Resumen de: WO2024218746A1

The present description concerns a production method and a vertical rotor turbine comprising at least one turbine blade comprising a central body with two blade ends, wherein the two blade ends define between them an axis of the blade, wherein the vertical rotor turbine blade comprises at least one wing connected to one of the blade ends, wherein said wing protrudes directly from the central body of the blade in a direction towards the inside and/or outside of the rotor, said wing comprising, longitudinally, a plurality of aerodynamic profiles, wherein said wing has a free end.

SYSTEM FORMING AN ANCHOR POINT FOR OFFSHORE WIND TURBINE FLOATS AND INSTALLATION METHOD

Resumen de: CN120916941A

The invention relates to a system (2) for forming an anchor point for an offshore wind turbine float, comprising at least one enclosure (6) having an open bottom (8) and an open top (10), the enclosure being at least partially filled with a solid particulate material (12) capable of withstanding shear forces with a seabed (4) on which the enclosure is intended to sit, the enclosure further comprises at least one mooring lug (14) for securing a mooring line (16) of the float.

WIND TURBINE LUBRICATION SYSTEM

Resumen de: CN120958221A

A wind turbine lubrication system (10) is described. The system (10) comprises a lubricant reservoir (12), a pump (16) for circulating lubricant from the lubricant reservoir (12) to a driveline component (14) of the wind turbine and back to the lubricant reservoir (12). A filter assembly (18) is connected between the lubricant reservoir (12) and the driveline assembly (14). A bypass passage (30) provides a fluid connection between the filter assembly (18) and the lubricant reservoir (12) bypassing the driveline assembly (14). The fluid control device (20) is operable to select between a lubrication circuit and a cleaning circuit. The lubrication circuit includes a lubricant reservoir (12), a filter assembly (18), and a driveline assembly (14). The cleaning circuit does not include a driveline assembly (14) and includes a lubricant reservoir (12), a filter assembly (18), and a bypass passage (30). A method of maintaining a lubrication system (10) includes operating a fluid control device (20) to select a cleaning circuit. The lubricant is then circulated within the cleaning circuit during the cleaning cycle to remove contaminants from the lubricant.

ROTOR FOR A FLUID ENERGY MACHINE, ROTOR ASSEMBLY FOR A FLUID ENERGY MACHINE, AND CORRESPONDING FLUID ENERGY MACHINE AND METHOD FOR OPERATING A FLUID ENERGY MACHINE OF THIS TYPE

Resumen de: WO2024218263A1

The invention relates to a rotor (1) for a fluid energy machine (13), comprising: a rotor hub (3) which can be rotated about a rotor rotational axis (4); and a plurality of rotor blades (2) which run from the rotor hub (3) and extend outward in the radial direction with respect to the rotor rotational axis (4). According to the invention, each of the rotor blades (2) has an aerodynamic rotor blade profile (5), and a chord angle between a chord (8) of the rotor blade profile (5) and an imaginary plane which contains the rotor rotational axis (4) or is perpendicular to the rotor rotational axis changes in the radial direction from the inside out such that the rotor blade (2), seen in the radial direction with respect to the rotor rotational axis (4), has rotor blade regions (11, 12) which are provided and designed for opposite axial flow directions. The invention also relates to a rotor assembly (14) for a fluid energy machine (13), to a fluid energy machine (13), and to a method for operating a fluid energy machine (13).

A METHOD FOR PRODUCING GREEN HYDROGEN BY ELECTROLYSIS IN A HYBRID POWER PLANT

Resumen de: WO2024217840A1

A method for producing green hydrogen by electrolysis in a hybrid power plant (10), which comprises at least: - a wind turbine (11 ) with a rotor (11.1), a drive-train and a generator; multiple photovoltaic modules (12), - an electrolysis unit (15) for producing hydrogen by electrical power generated by the wind turbine (11) and/or the photovoltaic modules (12), an internal electrical power grid interconnecting the generator, the photovoltaic modules (12) and the electrolysis unit (15) within the power plant (10) and - a control unit (16); wherein a) electrical energy is generated by using the photovoltaic modules (12) and/or wind turbines (11 ); b) cloud coverage and/or solar radiation is measured by at least one weather sensor (14) which is located in a windward position remote of the power plant (10) and which is connected to the control unit (16) via a data link; According to a first aspect of the invention the wind turbine (11) is used as kinetic energy storage and according to another aspect of the invention the wind turbine (11) is used as an energy absorber by increasing inertia of the rotor (11.1).

ICE FALL PROTECTION SYSTEM OF AT LEAST ONE MOVING OBJECTS MONITORING DEVICE AND/OR AT LEAST ONE MOVING OBJECTS COLLISION PREVENTION DEVICE INSTALLED ON THE TOWER OF A WIND TURBINE

Resumen de: WO2024157036A1

An ice fall protection system for at least one moving objects monitoring device and/or at least one moving objects collision prevention device installed on the tower of a wind turbine, wherein said system comprises: a mounting base (1) adapted to be fastened to the tower and comprising a flat surface (A) in a quadrilateral shape and at least one pair of opposite walls (2, 2'), at least one cover (10) comprising an ice repulsion surface (B) adapted to be installed on the tower to cover said devices and protect them from ice fall, wherein the mounting base (1) and the cover (10) are adapted to be removably connected to each other such that a removable installation of the cover (10) on the tower is achieved, with the repulsion surface (B) to present an inclination with respect to the surface of the tower, thereby repulsing the ice striking onto it.

THERMAL MANAGEMENT SYSTEM FOR A WIND TURBINE

Resumen de: CN121039392A

A thermal management system for a wind turbine includes at least one access door disposed adjacent to one or more components of the wind turbine that require cooling. The access door has at least one opening. The thermal management system also includes a filter device disposed in the at least one opening. The filtering device includes at least one filter disposed in the at least one opening, at least one shutter disposed adjacent to and outside the at least one filter, and at least one filter cover disposed adjacent to and outside the at least one shutter. In this regard, the filter cover passively directs airflow through the open side of the filter cover to optimize cooling of the one or more components and reduce dust particles from entering the wind turbine.

Floating platform

Resumen de: GB2643634A

The invention relates to a floating platform (1) comprising a pedestal frame (100) configured to function as a support for a structure, wherein the pedestal frame (100) is attached to a base plate (200) by means of a plurality of pillars (300) such that, during operation, the pedestal frame (100) is supported by the base plate (200) via the pillars (300), wherein the floating platform (1) comprises a plurality of immersion floats (400) projecting from the base plate (200) to an intermediate distance between the base plate (200) and the maximum height of the pillars (300) above the base plate (200). It also includes a geometry that allows the platform to be manufactured exclusively with flat panels.

WIND BLADE COMPONENT BONDING FIXTURE

Resumen de: EP4699789A2

The disclosed subject matter provides a system and method for facilitating bonding of various turbine blade components, including trailing edge inserts, or flatbacks, to the trailing edge of a wind turbine blade. The system disclosed herein ensures a consistent force is applied from root to top thereby preventing defects, e.g. paste voids, from forming. Additionally, a consistent bonding gap can be achieved due to the consistent application of force from the root to tip of the blade.

LEVELLING SYSTEM OF A PLATE CONFIGURED TO BE DISPOSED OVER A CONCRETE SECTION OF A WIND TURBINE TOWER AND METHOD OF LEVELLING A PLATE

Resumen de: EP4700192A1

Levelling system for wind turbine towers, the towers consisting of stacked sections, the system comprising a plate (1) configured to be disposed over a concrete section (50) of the wind turbine tower (100), the plate (1) having levelling means (21) configured to level the plate (1) in horizontal position over an upper surface (13) of the tower section positioned below the levelling system.

一种风电叶片缺陷检测方法及系统

Resumen de: CN121558770A

本发明公开了一种风电叶片缺陷检测方法及系统，涉及缺陷检测技术领域，该系统包括：外部数据获取模块、接闪状态评估模块、内腔核查映射模块、内腔图像获取模块、内腔缺陷评估模块、叶片健康评估模块。本发明通过基于外部缺陷坐标生成内部重点核查区域指令，引导内腔检测设备进行定点复核，提升了内腔检测的针对性与效率；同时，通过融合接闪器电气性能数据与视觉缺陷信息，并对空间临近的缺陷进行关联修正，实现了对雷击损伤的特异性识别，提高了风电叶片健康状态综合评估的准确性与可靠性，解决了现有技术中内外检测手段割裂导致内部检测盲目性大、效率低下，以及缺陷成因判断单一、无法准确区分雷击损伤与普通缺陷的问题。

一种风力发电机叶片净空监测方法、装置、设备及介质

Resumen de: CN121557055A

本申请涉及一种风力发电机叶片净空监测方法、装置、设备及介质，该方法包括：获取风力发电机的多源状态数据；根据所述多源状态数据，确定净空安全裕量指数；当所述净空安全裕量指数小于预设警告阈值时，判定为危险状态，执行收桨指令或紧急停机指令，并基于所述多源状态数据，生成净空不足的根源诊断结果。如此，本申请通过融合多源状态数据，确定净空安全裕量指数，实现了风电机组净空风险的精准感知、智能诊断和主动防控，显著提升了机组运行的安全性、可靠性。

用于风力涡轮机转子叶片的锯齿状面板

Resumen de: WO2025021377A1

A serrated panel for a wind turbine rotor blade, comprising: • at least two teeth, each having a tip, a base, a length measured in a chordwise direction, a pressure side, a suction side and two edges having an edge height measured between the suction side and the pressure side, and • a plurality of tines arranged in a chordwise direction, the tines extending rearwards from an edge of a tooth and having a tine width and a tine height, wherein • the tines have a cross-section with a first straight section forming a suction side of the tine and defining the tine width, and an opposite section forming a pressure side of the tine, • the suction side of the tine transfers smoothly into the suction side of the tooth, • the tine height is larger than the edge height, and • the pressure side of the tine extends in a forward direction beyond the edge of the tooth.

基于双信号特征的风机传动机构故障诊断预警方法及系统

Resumen de: CN121557060A

本发明提出了基于双信号特征的风机传动机构故障诊断预警方法及系统，属于风机传动机构故障诊断技术领域；包括：同步获取风机传动机构运行过程中的冲击脉冲信号和振动信号；对所得信号进行预处理和特征参数计算，得到冲击特征参数和振动特征参数；基于风机传动机构的故障特征频率，结合设备故障库构建故障特征模型，并采用故障特征模型进行故障诊断；当故障诊断结果为运行状态异常时，生成预警信息并按照多级报警机制和延时报警算法执行对应预警操作。本发明能够在保证对风机传动机构的全轴系范围进行精准故障检测的同时，实现风机传动机构运行状态异常的早期预警。

一种风力机叶片的柔性可变尾缘襟翼结构

Resumen de: CN223938175U

本实用新型公开了一种风力机叶片的柔性可变尾缘襟翼结构，组装在风力机叶片主体结构尾部；所述柔性可变尾缘襟翼结构包括外蒙皮、内蒙皮、电机和弹簧；所述外蒙皮与叶片主体采用胶接固定，所述内蒙皮通过索扣件固定在外蒙皮内侧，保证内蒙皮与外蒙皮统一变形；所述内蒙皮的两个端口分别连接电机，内蒙皮受电机牵拉运动；所述内蒙皮在尾缘末端处通过两个连接件与外蒙皮铰接；所述内蒙皮的上表面安装有弹簧。本实用新型可以实现叶片尾缘的柔性变形，变形幅度更加柔顺，助力风力机的增功降载。

一种主轴挡圈止转结构及风电机组

Resumen de: CN223938184U

本实用新型公开了一种主轴挡圈止转结构及风电机组，所述挡圈套设于主轴的外侧，且所述挡圈的外周面与主轴的外周面相接触；所述主轴与挡圈的接触面的横截面轮廓线包括至少一段直线段，通过直线段形成的平面接触产生的法向力和摩擦力实现两者止转。本实用新型能够有效避免主轴和挡圈的相对变形，防止挡圈跑圈，降低主轴磨损的风险。

一种风机附件安装定位装置

Resumen de: CN223938181U

本实用新型是一种风机附件安装定位装置，包括四组呈十字形分布的定位组件，每组定位组件包括基础锚栓螺母套筒、定位支座、定位紧固销轴、紧固力臂杆、支撑锁杆，定位支座固接在基础锚栓螺母套筒顶部，定位紧固销轴转动连接在定位支座上，且定位紧固销轴的轴杆上开设有一圈线槽，线槽中心与基础锚栓螺母套筒中心正对应，且线槽内设有一个穿过线槽中心的穿线孔，定位紧固销轴末端穿出定位支座，紧固力臂杆穿设在定位紧固销轴的末端上并驱动定位紧固销轴转动，支撑锁杆安装在紧固力臂杆下端，紧固力臂杆通过支撑锁杆倾斜卡紧在基础平台上固定。本实用新型定位精准，可避免因安装精度问题进行返工。

一种分段组装式风机叶片

Resumen de: CN223938176U

本实用新型公开了一种分段组装式风机叶片，涉及风机叶片技术领域，包括第一叶片、第二叶片以及设于两者之间的连接组件，第一叶片和第二叶片的相向面上分别一体设置有第一板材和第二板材，第一板材顶部和底部均设有对接杆，第二板材顶部和底部均设有与对接杆适配的对接孔，第一板材两侧设有配合凸块，第二板材两侧设有与配合凸块适配的配合凹槽，第一板材和第二板材上均设有横截面呈等腰梯形的连接环片。本申请通过设置对接杆、对接孔、配合凸块和配合凹槽等定位结构，实现第一叶片和第二叶片之间的快速定位；采用连接环片、外置环片、外置顶板和插接杆组成的连接组件，通过卡接、插接等连接方式，确保第一叶片和第二叶片之间的牢固连接。

风电机组功率优化控制方法及系统

Resumen de: CN121557043A

风电机组功率优化控制方法包括：采集风电机组运行数据；将发电机转速与切入转速和额定转速比较，将风电机组运行状态划分为待机状态、最大功率追踪区及恒功率控制区；在最大功率追踪区，基于上一与当前控制周期转速和功率变化关系，用动态步长试探逻辑生成第一转矩指令；在恒功率控制区，基于发电机和变流器状态参数与预设温度边界对比，调整功率上限设定值生成第二转矩指令；当振动幅值进入预警区间，结合发电机转速或变桨速率执行避让调节生成第三转矩指令；取转矩指令满足边界约束的最小值作为最终控制指令。在不使用复杂数学公式和AI模型下，利用机组热容量裕度和机械振动裕度，动态调整功率输出目标，在保证安全下挖掘机组潜在发电能力。

风力发电设备的风速重构方法、装置、设备及存储介质

Resumen de: CN121562461A

本申请公开风力发电设备的风速重构方法、装置设备及存储介质，涉及图像处理领域。采集风电设备的机舱雷达和地形气象数据样本，并对样本进行预处理和时空匹配；基于多源样本数据构建训练集和验证集，构建并训练以多源数据为输入，风速和风向为输出的风速风向估算模型；当风电设备的机舱雷达数据缺失时，从风电厂区获取其他临近风电设备的地形气象数据和同时段的临近雷达数据，对目标时段的雷达数据进行数据关联与重构；将多源重构数据进行时空匹配后送入风速风向估算模型，输出目标时段的风力和风向。本方案通过融合多源异构数据并构建时空匹配模型，有效解决了插值方法精度不足、物理模型适应性差的问题，提高了风速重构的准确性和可靠性。

基于海况参数控制漂浮式风力涡轮机系统

Nº publicación: CN121569109A 24/02/2026

Solicitante:

维斯塔斯风力系统集团公司

Resumen de: WO2024255979A1

Disclosed is a method for controlling a floating wind turbine system. The floating wind turbine system comprises a floating platform, a tower mounted to the floating platform and a nacelle. The method comprises receiving, from one or more sensors of the floating wind turbine system, a signal indicative of a vertical acceleration of the floating wind turbine system. The method comprises determining, based on the received signal, a sea state parameter indicative of an oscillation of the vertical acceleration. The method comprises controlling the floating wind turbine system based on the sea state parameter.