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TOOLKIT AND METHOD FOR REPLACING A BLADE BEARING AND METHOD FOR OPERATING A WIND TURBINE

Resumen de: EP4549729A1

0001 Method for replacing a previously installed blade bearing (1) with a replacement blade bearing (2) in a wind turbine (3), comprising the steps of - orienting a rotatable component (4) of the wind turbine (3) into a service position (5), in which the previously installed blade bearing (1) is arranged at the lower side of the rotatable component (4), - disconnecting a rotor blade (6) from the previously installed blade bearing (1) and lowering the rotor blade (6) to create a free space (7) below the previously installed blade bearing (1), - installing a service platform (8) within the free space (7) by attaching connecting means (9) for the service platform (8) to the rotatable component (4) and/or at least one supporting component (10) of the wind turbine (3) in such a way, that the weight of the service platform (8) is at least partially supported by the rotatable component (4) and/or supporting component (10), - unmounting the previously installed blade bearing (1) from the rotatable component (4) and mounting the replacement blade bearing (2) to the rotatable component (4), wherein the previously installed blade bearing (1) is located on the service platform (8) during and/or after its unmounting and/or wherein the replacement blade bearing (2) is located on the service platform (8) before and/or during its mounting, and - uninstalling the service platform (8) and connecting the rotor blade (6) to the replacement blade bearing (2).

A STEREOVISION METHOD AND SYSTEM

Resumen de: EP4782876A2

0001 A wind turbine comprising a wind turbine tower and a system for detecting and localizing a flying object such as a bird and/or drone in the vicinity of the wind turbine, the system comprising: a first camera mounted on the wind turbine tower, having an optical axis and a first axis which is perpendicular to a baseline and the optical axis of the first camera; a second camera, arranged vertically relative to the first camera on the wind turbine tower, wherein the second camera has an optical axis parallel to the optical axis of the first camera and a second axis which is parallel to the first axis of the first camera; a processing system configured to receive data about an object position at the image plane from the first camera and the second camera, when the first and second cameras are oriented with their optical axes at an angle α to the baseline, wherein α is substantially non-right angle, wherein the processing system is configured to localize the object, including by calculation of a distance, D, of the object to a line including the baseline, B, connecting the centre of the first and the centre of the second camera.

ELONGATE REINFORCING STRUCTURE FOR A WIND TURBINE BLADE

Resumen de: WO2025061588A1

Herein is described an elongate reinforcing structure comprising a pultruded plank having a surface to which thermoplastic binder particles are adhered.

METHODS FOR USING WIND TURBINE ROTOR OR BLADE MAINTENANCE TOOLS AND ROTOR OR BLADE TOOLS THEREFOR

Resumen de: WO2025061245A1

A method of repairing a wind turbine (10) including a tower (12) and a nacelle (14) connected to the tower (12). The nacelle (14) includes a main shaft (20) and a main bearing assembly (36). A rotor (16) is connected to the main shaft (20). The rotor (16) includes a hub (22) and a plurality of blades (24) connected at respective blade interfaces (28). The blade interfaces (28) define a rotor rotational plane (30). The method includes clamping a rotor maintenance tool (40) or a blade maintenance tool (70) to the tower (12). The rotor maintenance tool (40) or the blade maintenance tool (70) includes a tower clamp (42, 44, 84) for connecting the rotor maintenance tool (40) or the blade maintenance tool (70) to the tower (12) and a cradle assembly (46, 72) for supporting a portion of the rotor (16). The cradle assembly (46, 72) is movable relative to the tower (12) between a retracted position adjacent the tower (12) and an extended position. The method includes moving the cradle assembly (46, 72) from the retracted position to the extended position and into contact with the rotor (16) and disconnecting the rotor (16) from the nacelle (14) so that the rotor (16) is supported by the tower (12).

A FLOATING SUPPORT STRUCTURE FOR A WIND TURBINE SYSTEM AND A METHOD FOR ASSEMBLY

Resumen de: WO2025061959A1

The invention describes a floating support structure (1) for supporting an off shore wind turbine comprising a first, second and third main section (10a, 10b, 10c) each comprising a horizontal part and a vertical part (12a, b, c) directly or indirectly connected to the radial end of the horizontal part and the central ends of the horizontal parts (11a, b, c) are joined in a central region thus creating a coupling space (7) underneath the horizontal parts and between the vertical parts. The floating support structure further comprises a transition piece (15) comprising a connecting flange (16) for connecting a coupling end of the wind turbine tower (101) to the support structure. The transition piece further comprises a reinforcement body (17) welded onto the first, second and third horizontal parts.

COMPACT MOUNTING OF A WIND TURBINE GEARBOX

Resumen de: WO2025061367A1

The invention relates to an assembly (103, 105) for a wind turbine; comprising a first means (107) fixed to the machine support, a first half shell (113, 115), a first screw (201) and a second screw (201); wherein the first half shell (113, 115) forms, together with the first means (107) fixed to the machine support, a first gudgeon pin recess (111) for accommodating a first gudgeon pin (109) for fixing a housing (101) in a machine support (107); wherein the first screw (201) is accommodated in a through-hole in the first half shell (113, 115) and screwed to a thread of the first means (107) fixed to the machine support. The second screw (201) is accommodated in a through-hole in the first means (107) fixed to the machine support and screwed to a thread of the first half shell (113, 105).

METHOD FOR OPERATING A WIND TURBINE AND WIND TURBINE

Resumen de: EP4782683A2

0001 According to an embodiment, the method is for operating a wind turbine (100) having a rotor (10) with at least one rotor blade (1, 2, 3) and a setting system (31, 32) which is configured to change the operation of the wind turbine. The method comprises a step in which first trigger information (Ia1) is provided, wherein the first trigger information is representative of whether the torsional movement of at least one rotor blade exceeds a threshold. If this is the case, a first output signal (OS1) is generated which is configured to cause the setting system to change the operation of the wind turbine in order to reduce the torsional movement of the at least one rotor blade.

CALCULATION METHOD FOR VORTEX-INDUCED RESONANCE REGION OF WIND TURBINE BLADE, AND VORTEX SUPPRESSION APPARATUS

Resumen de: EP4782682A1

A method for determining a vortex-induced resonance region of a wind turbine blade and an anti-vortex device are provided, and relates to the technical field of wind power equipment. The method includes: obtaining the natural frequency of the wind turbine blade; segmenting the wind turbine blade to obtain a plurality of blade sections; calculating a vortex shedding frequency of a cross section of each of the plurality of blade sections at different wind speeds or under different operating conditions; and determining at least one vortex-induced resonance region of the wind turbine blade by comparing the vortex shedding frequency of the cross section of each of the plurality of blade sections at different wind speeds or under different operating conditions with the natural frequency. The above technical solution clarifies the main energy input region where vortex-induced vibration phenomenon occurs in the wind turbine blade, that is, the vortex-induced vibration region, so that the anti-vortex device is installed in the vortex-induced vibration region, thereby improving the effectiveness of the anti-vortex measures, reducing the ineffective arrangement of the anti-vortex device, and saving the cost.

极端海况下风机塔筒可展开式防护方法

Resumen de: CN122471918A

本发明构建了一种极端海况下风机塔筒可展开式防护方法，包括：获取极端波浪环境输入边界条件；利用相位选择响应机制分离有效做功区间提取驱动波浪力，累积计算防护结构的渐进展开时程及构型状态；基于该构型状态构建等效水动力干扰场，计算波浪在干扰场作用下的波浪力消减效能；建立展开时程与消减效能的双向耦合迭代反馈机制，利用消减效能衰减驱动波浪力，交替迭代直至两者同步收敛，得到收敛防护状态；最终基于此评估综合防护效能参数。本发明可用于实现以浪驱展与波浪绕射的水动力动态自适应防护。

风力发电机组主传动链在线状态监测与故障预警方法及系统

Resumen de: CN122467337A

本申请公开了一种风力发电机组主传动链在线状态监测与故障预警方法及系统，涉及风电设备故障诊断技术领域，该方法包括：通过布置在主传动链关键位置的多维传感器采集数据，对数据进行预处理以提取反映机械状态的振动描述子；随后利用机组运行参数对振动描述子进行工况区间划分和解耦处理，消除运行工况波动的影响，得到纯净的状态特征向量；接着通过计算该向量相对于健康基准的偏离度及其变化趋势，评估故障发展态势并生成健康评估指标；最终根据该指标的演变趋势与多级预警阈值比较，生成动态的故障预警信号及维护决策支持信息。通过上述方式，本申请实现了对主传动链运行状态的精准感知和故障的早期预警，提高风电机组运行的可靠性与维护效率。

一种面向尾流效应优化的风电场集群协同控制方法

Resumen de: CN122467326A

本发明涉及风电场协同控制领域，涉及到一种面向尾流效应优化的风电场集群协同控制方法。本发明通过实时采集的各风机的塔筒弯矩和叶片挥舞弯矩，分别计算塔筒和叶片单次疲劳载荷的有效应力幅；基于各时间点的有效应力幅计算单次疲劳载荷的损伤值，并累加得到综合损伤累积值，基于综合损伤累积值划分风机类型并分析减负总需求和增负总容量；计算塔筒和叶片的疲劳累积速率，确定风机综合疲劳累积速率；根据减负总需求和增负总容量筛选待调节风机，并结合其疲劳累积速率确定调节优先级；按优先级依次以设定角度调节偏航角度，依据调节过程中的综合疲劳累积速率和综合损伤累积值确定最终偏航角度，协同提升发电收益与设备寿命。

一种基于跳跃-扩散维纳随机过程的风电叶片前缘侵蚀预测方法及相关装置

Resumen de: CN122471720A

本发明提供的一种基于跳跃‑扩散维纳随机过程的风电叶片前缘侵蚀预测方法及相关装置，包括：获取待评估风电机组时间步长内的全生命周期历史与实时数据系列，所述数据系列包括多条雨事件数据记录；基于维纳随机过程和复合泊松跳跃损伤项，计算每条雨事件记录对应的叶片任意展向位置的累积损伤深度；根据所述累积损伤深度判断理论最易受侵蚀展向区域的前缘侵蚀情况。本发明融合连续退化机理、环境随机波动与极端天气突发损伤机制，仅依赖常规SCADA与气象数据，能够高精度、可解释地预测叶片前缘侵蚀演化过程，为风电场预防性运维与全生命周期管理提供科学依据。

一种基于多源数据的风电机组故障识别方法

Resumen de: CN122467338A

本发明提供一种基于多源数据的风电机组故障识别方法，涉及风电机组故障识别技术领域，包括：同时获取振动信息、图像信息和噪声信息，分别提取包含齿轮啮合能量、轴承内圈及外圈故障能量的振动能量，表征零件磨损程度的视觉特征，以及表征定子噪声波形的声学特征，并对上述特征进行标准化处理后综合判定故障类型。由此避免了单一传感器的信息盲区，提升了识别及时性；振动能量提取可在风速不平稳时进行，能够适应转速波动工况，保证了非平稳条件下的识别准确性；结合图像与声学特征辅助判别，有效降低了电磁干扰对振动信号的负面影响，减少了误判率。本发明显著提高了风电机组故障识别的可靠性、准确性与环境适应性。

一种用于风力发电系统的状态监测方法

Resumen de: CN122467331A

本发明涉及风力发电系统监测技术领域，尤其是涉及一种用于风力发电系统的状态监测方法，包括以下步骤：S1.环境分类与专项勘查；S2.构建环境‑季节‑部件三维定制化监测体系；S3.环境‑数据动态修正；S4.双场景智能诊断；S5.预测性维护前置预警；S6.传感器健康自诊断与智能联动：监测传感器环境适配状态；S7.动态调整采样策略；S8.场景专属安装与校准；S9.智能维护计划生成：基于监测数据生成定制化维护计划，定期更新诊断模型与监测阈值；S10.极端场景应急处置：极端天气前切换应急监测模式，针对两类环境极端场景执行应急防护，故障后快速响应处置。本发明实现严苛环境下风力发电系统的精准监测、可靠诊断、提前预警、优化维护与安全运营。

一种风电机组变桨驱动替代改造方法及装置

Resumen de: CN122471659A

一种风电机组变桨驱动替代改造方法及装置，涉及风力发电技术领域，包括获取原变桨系统与目标替代驱动器的关联数据；用于对所述关联数据进行预处理，得到标准化数据集；基于标准化数据集，识别原变桨系统的运行缺陷及与目标替代驱动器的性能匹配度，生成适配性评估结果；根据适配性评估结果，制定包含设备替换方案及参数配置的改造操作规范；其用于解决原系统老化缺陷识别困难、新型驱动器与原系统适配性差以及改造后故障风险难以预警的问题。

一种装配式预应力混凝土风电塔筒及施工方法

Resumen de: CN122467329A

本发明涉及风电塔筒技术领域，且公开了一种装配式预应力混凝土风电塔筒及施工方法，包括混凝土风电塔筒，还包括：本体部，所述本体部安装在混凝土风电塔筒上；锁定部，所述锁定部设置在混凝土风电塔筒上；拉紧部，所述拉紧部安装在本体部上；所述锁定部包括限制组件，所述限制组件安装在混凝土风电塔筒上；滑动组件，所述滑动组件设置在混凝土风电塔筒上。本发明通过设置锁定部，解决了现有的装配式预应力混凝土风电塔筒在使用过程中，张拉到位后易因钢丝绳弹性回弹、结构振动或长期应力蠕变导致卡爪脱扣、棘轮打滑，造成钢丝绳回缩、预应力大幅衰减，直接影响塔筒结构的整体受力均匀性与承载安全性的问题。

一种融合机组态势感知的叶片净空增强保护方法及系统

Resumen de: CN122467324A

本发明公开了一种融合机组态势感知的叶片净空增强保护方法及系统，方法包括：获取风力发电机组运行过程中的叶片应变数据、净空雷达到叶片叶尖的斜距以及机舱姿态数据；基于机舱姿态数据对净空雷达到叶片叶尖的斜距进行修正，得到修正后的斜距；基于修正后的斜距计算得到实时净空距离；计算叶根应变与仿真极限应变的比值；计算风电机组运行时机舱俯仰角与静止时机舱俯仰角的偏差；根据比值和偏差动态计算当前工况下的净空安全阈值；将实时净空距离与净空安全阈值进行比较，根据比较结果得到风电机组的净空状态；根据风电机组的净空状态匹配对应的保护控制逻辑。本发明具有兼顾净空安全与发电效率等优点。

一种基于自适应加权交叉熵的风电场偏航鲁棒优化方法

Resumen de: CN122467323A

本发明公开了一种基于自适应加权交叉熵的风电场偏航鲁棒优化方法，包括：基于采样分布的均值与标准差向量生成候选偏航向量，对各维偏航角限幅使其满足约束边界；通过仿真或现场测量获取各候选向量的风电场总功率，基于多来流场景的加权期望或风险度量确定鲁棒目标值；按目标值筛选精英样本集合，分配基于排名或增益的权重，使功率高者获得较大权重；以精英样本加权均值与方差更新采样分布参数，用平滑系数处理直至收敛，输出最优偏航向量。本发明能提高风电场偏航优化的收敛速度与功率增益，增强对非凸目标、测量噪声及来流不确定性的鲁棒性，降低工程实现复杂度。

用于风电叶片防冻调节的智能控制方法

Resumen de: CN122469645A

本发明公开了用于风电叶片防冻调节的智能控制方法，涉及风电运维与叶片防冰冻技术领域；本发明通过多源感知模块同步采集环境气象、叶片表面状态、加热系统运行与机组运行四类数据，经多参数加权融合的结冰概率模型评估输出四级结冰风险等级，匹配对应分级加热策略对叶片内腔空气循环加热系统输出差异化功率，同时结合叶片载荷与发电功率双系数动态修正加热输出，最终依托智能巡检核验除冰效果并反哺优化模型参数，实现结冰隐患前置识别、按需精准加热、机组安全联动与策略持续迭代的全流程智能管控。

风电机组塔筒换热计算方法

Resumen de: CN122471924A

本发明公开了一种风电机组塔筒换热计算方法，包括：根据对塔筒内部气流的影响程度对塔筒内部结构模型进行简化处理，建立用于塔筒换热计算的有限元模型；对塔筒的有限元模型进行网格划分；根据塔筒底部的气流流通路径并考虑不同位置的实际运行工况，将塔筒内部空间划分为不同区域，分别建立不同区域的边界条件；设置湍流模型和计算方法；实施迭代计算，保证计算结果达到收敛标准，同时监测各个位置的流体特性，当计算结果趋于稳定且维持一定步数时，判定计算结果完成。本发明能更准确地模拟塔筒内不同位置的风阻变化，从而更加接近各个位置实际运行工况，保证计算的稳定性和精确度。

一种铜基合金粉末、铜基合金涂层及其制备方法和应用

Resumen de: CN122466299A

本发明涉及一种铜基合金粉末、铜基合金涂层及其制备方法和应用，属于合金制备技术领域。以重量百分比计，该铜基合金粉末包括以下组分：6～10 %的Sn、6～8 %的Zn、2～4 %的Ni、0.8～1.2 %的Al、0.5～0.8 %的Fe、0.5～0.8 %的Mn、0.1～0.25 %的P以及剩余量的Cu。该铜基合金粉末为配方量的组分经真空感应熔炼、气雾化制粉以及筛分后制得。本发明通过在Cu‑Sn‑Ni中引入Zn、Al、Fe、Mn、P，采用激光熔覆技术，显著提升了涂层与基材的结合强度，同时保证铜基合金涂层硬度在120～180 HB之间，摩擦系数≤0.25，且孔隙率≤0.4 %。该铜基合金涂层满足风电滑动轴承需要的重载、长期可靠运行的需求，解决了现有技术中硬度低、结合力差及铅污染等问题，适用于风电滑动轴承等领域。

一种风浪联合发电装置及试验装置和方法

Resumen de: CN122467327A

本发明属于海洋可再生能源装备试验技术领域，尤其涉及一种风浪联合发电装置，包括：半潜平台机构；双转子风机机构，固定设置在半潜平台机构顶端；波浪能捕获机构，设置在半潜平台机构上；能量摄取系统，与波浪能捕获机构传动连接，能量摄取系统用于接收波浪能捕获机构吸收的波浪能并进行储存；数据采集系统，设置在半潜平台机构、双转子风机机构、波浪能捕获机构、能量摄取系统上，数据采集系统与数据采集终端连接。本发明能够实现风‑浪‑系泊多场耦合，精准获取结构受力、运动性能及能量转换参数。

风电塔筒智能运维管理方法、系统及设备

Resumen de: CN122472360A

本发明涉及风电管理运维技术领域，尤其涉及一种风电塔筒智能运维管理方法、系统及设备，包括：监测本地边缘管控节点与远程运维主平台的通信链路健康度；当通信链路健康度达到预设中断阈值时，切换至本地管控模式；基于预配置的塔筒运维管控数据对风电塔筒进行结构风险定级，生成塔筒运维优先级梯队；基于塔筒运维优先级梯队完成运维任务的异构设备匹配与冲突校验，生成作业执行序列并下发至对应运维设备；通信链路恢复后，将本地管控阶段的全量运维数据同步至远程运维主平台。通过本发明，实现通信中断场景下风电塔筒运维的本地自主连续管控与数据无缝同步，保障塔筒结构安全监测的连续性和运维作业的稳定执行。

一种风电齿轮箱换油用辅助装置

Resumen de: CN224567132U

本实用新型公开了一种风电齿轮箱换油用辅助装置，属于风电齿轮箱技术领域。该风电齿轮箱换油用辅助装置，包括辅助油桶，所述辅助油桶的顶部固定连接有进油管，所述辅助油桶的内部安装有清理铁屑的清理组件，所述辅助油桶的右侧安装有过滤杂质的过滤组件，所述清理组件包括电机、搅拌轴、搅拌叶、套筒和电磁线圈，所述辅助油桶的顶部固定连接有电机。通过设置电机、搅拌轴、搅拌叶、套筒、电磁线圈和排液管，在注入清洗油时，启动电机并对电磁线圈进行通电，电机带动搅拌轴和搅拌叶对注入的清洗油进行打散，电磁线圈通电后使得套筒内部具有强大磁场，可将经过的细小铁屑吸附在套筒内壁上，从而对换油过程中的铁屑进行清除。

一种风力发电机机舱运输底座

Nº publicación: CN224566247U 28/07/2026

Solicitante:

科东新能源装备（南通）有限公司

Resumen de: CN224566247U

本实用新型公开了一种风力发电机机舱运输底座，包括安装框架，安装框架内部固定设置有法兰连接座，安装框架表面设置有插销式吊点，且插销式吊点的数量为三个，当风力发电机机舱通过螺栓与法兰连接座固定后，将绳索一端安装在插销式吊点上，并从连接组件内穿过，并对放置于机舱的叶片进行固定，并将绳索的另一端与最左侧的插销式吊点上，通过对风力发电机机舱底部进行固定，并通过绳索对风力发电机机舱进行固定，使得钢丝对风力发电机机舱进行限位，避免了运输过程中会因路面颠簸、转弯产生冲击力，导致机舱与底座相对位移的情况，避免了严重时引发机舱倾斜、坠落的情况，降低了风力发电机机舱运输过程中的安全隐患。