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436
resultados
Última actualización
15/07/2026 [07:41:00]
Resultados 325 a 350 de 436
Resumen de: EP4768719A1
0001 The present disclosure provides a flow accelerator device comprising an inverted aerofoil-shaped cross-section formed by one or more panels, defining a leading edge, trailing edge, upper surface, and lower surface, where the lower surface extends further than the upper surface. Mechanically connected to a base fixed upstream of a duct, the device generates low pressure within the duct to enhance air extraction. By leveraging aerodynamic principles, the device increases airflow efficiency in chimneys, fireplaces, ventilation towers, and similar structures. Its application includes buildings such as residential houses, offices, and industrial facilities, providing effective airflow management and smoke extraction. The flow accelerator operates passively, requiring no external power, making it a sustainable solution for improving indoor air quality and smoke removal while maximizing energy efficiency.
Resumen de: EP4768717A1
The invention relates to a control method (100) for controlling a wind farm comprising a plurality of wind turbines, based on wind velocity direction.The method (100) comprising a learning phase (1100) and an exploitation phase (1200).The learning phase comprises obtaining (1110) a wind direction, a wind velocity, sets of yaw angle values and a parameterized model configured to determine a rotation command. The learning phase further comprises determining (1130) an ordered list of wind turbines, and training (1140) of the parametrized model according to a reinforcement learning algorithm.The reinforcement learning algorithm comprising several iterations determining rotations command based on the parameterized model, performed sequentially on the wind turbines according to the ordered list of wind turbines.The exploitation phase comprising applying (1230) the trained model to each wind turbine to obtain rotation commands, and sending (1240) them to the wind turbines.
Resumen de: WO2025141325A2
Systems and methods for performing external inspections and internal inspections on wind turbine blades and correlating the external and internal inspections with one another are disclosed herein. A method of inspecting a wind turbine blade includes analyzing an exterior of the blade to produce external blade data, analyzing an interior of the blade to produce internal blade data, correlating a first position of the internal blade data with a second position of the external blade, and displaying an image including the first position and the second position.
Resumen de: EP4768720A1
0001 The present invention relates to a system comprising: - a guide rail (2) arranged around a tower (1) and attached to it by removable means, - cutting means (6) running along the guide rail (2) and having means for projecting a combustible mixture and a spark igniter (9), - a motor (10) responsible for moving the cutting means along the guide rail (2), - means for assisted pulling of the column or tower to direct the fall, - means for remotely viewing the cutting process, - a remote control centre (23). 0002 Given the features described above, the risks, the complexity of permits and works, and high costs can be reduced.
Resumen de: WO2024248625A1
It is disclosed a system (1) and a method for hook-up and tensioning of a floating wind turbine to the seabed. The floating wind turbine comprising at least one mooring line (3) adapted for mooring the floating wind turbine to the seabed. An installation vessel is provided with a dynamic positioning (DP) system and a winch (6), wherein the winch (6) is adapted for controlling a mooring line (3)/installation line (18). A tensioner is adapted for the mooring line/installation line. Controlling at least one of the winch and the dynamic positioning system on the installation vessel based on at least one input parameter for hook-up and tensioning of the at least one mooring line of the floating wind turbine to the seabed.
Resumen de: WO2025040699A1
There is provided herein method and apparatus for turbine blade protection. In particular, there is provided a method for protecting a wind turbine blade or part thereof by an erosion shield comprising a polymer composition, the method comprising the steps of: receiving geometric data of at least a portion of a wind turbine blade to be protected; selecting an erosion shield based at least in part on an offset of the received geometric data; and optionally applying the erosion shield to the portion of the wind turbine blade to be protected using an adhesive, the adhesive being arranged between the erosion shield and the portion of the wind turbine blade to be protected.
Resumen de: EP4768718A1
0001 A control method (100) for controlling a wind farm comprising a plurality of wind turbines, based on an estimated wind velocity and an estimated wind direction of the wind on the wind farm. 0002 The method comprises receiving a wind direction and a wind velocity. The method further comprises determining (120) a group of yaw angles sets and evaluating (130), for each yaw angle set, a power generated by the wind farm. 0003 The method further comprises generating (150) new yaw angle sets and modifying (160) the value of each yaw angle according to a probability law. The method further comprises adjusting (170). 0004 The method further comprises selecting (190), among the adjusted yaw angle sets, the set for which the power generated is the highest, the yaw angles of such selection set being the desired yaw angles, and sending (200), to each wind turbine, the respective desired yaw angle.
Resumen de: EP4768714A1
0001 The disclosure relates a wind blade (1) segmented by a cutting contour (2, 9, 12) into an inner segment (3) and an outer segment (4). The cutting contour includes straight and circular portions enabling modular assembly. The outer segment comprises an opening (7) configured to receive the inner segment of another wind blade. A building assembly is formed using three wind blades, where the outer segments align and abut each other in a horizontal plane, optionally creating a hollow space for accommodating utilities. The disclosure also provides a method for manufacturing wind blades with specific cutting contours and assembling them into modular structures for versatile applications. This design facilitates cost-effective construction of warehouses, residential, commercial, and industrial facilities, while reusing wind blade components for sustainable architecture.
Resumen de: EP4768711A1
The present disclosure concerns a hub (1) for a rotor of a wind turbine, comprising a hub body (2), comprising a first flange (3), and at least one second flange (5) configured for supporting a rotor blade, the at least one second flange defining a second flange area (6) of the hub body. The hub body further comprises a stiffening element (7) extending within at least a portion of the second flange area, wherein a cross section of the stiffening element comprises a center portion (lla) with a constant thickness along a width direction and at least one edge portion (llb) configured with a variable thickness along the width direction.
Resumen de: WO2025040227A1
The present disclosure relates to a wind turbine blade (7) comprising: a root end and a tip end; a leading edge (17) and a trailing edge (18); and a shell structure, the shell structure comprising a leeward shell (14) and a windward shell (15), the shell structure comprising an inner skin (29a, 29b) and an outer skin (30a, 30b), wherein the outer skin defines an outer surface of the wind turbine blade and the inner skin faces an interior volume of the blade. The wind turbine blade comprises a ballast unit (32) defining an internal ballast volume (33) for receiving a ballast material, wherein the ballast unit is integrated in the shell structure and sandwiched between the inner skin and the outer skin. The disclosure further relates to a method of manufacturing a wind turbine blade, and a rotor comprising three wind turbine blades.
Resumen de: CN224432711U
本实用新型提供一种基于叶片状态的风电防扫塔系统，涉及风力发电领域，包括叶片主体，叶片主体的前后橼中部内侧对称安装有用于检测叶片主体弯曲度的应变片，叶片主体上叶尖部的叶尖内侧安装有用于检测叶尖部弯曲角度的陀螺仪，在强风环境中，叶片主体和叶尖部能够分别顺着风向转动，通过使用应变片检测叶片主体的弯曲度和陀螺仪检测叶尖的弯曲角度，能够及时检测叶片和塔筒间的净空距离，并在叶尖弯曲一定角度时叶尖部能够顺着风向转动，在强风环境中，不仅降低了叶尖扫塔的风险，同时还可以保持一定的发电量。
Resumen de: CN224432719U
本实用新型涉及风电偏航技术领域，且公开了风电机组偏航系统维护用废油收集装置，包括偏航主轮和轨道件，轨道件包括精校板，精校板顶部开设有固定槽，固定槽内壁插接有固定件，固定槽内壁底部固定有卡扣件，固定件底部开设有卡扣槽，卡扣槽内壁与卡扣件表面卡扣固定，固定件远离精校板的一侧固定有斜面铲件，斜面铲件靠近精校板的底端一侧固定有反铲件。本实用新型通过向精校板的固定槽卡扣固定固定件，令斜面铲件底部和反铲件底部均与精校板顶部紧密贴合，从而在偏航主轮正转过程中，偏航主轮内壁油泥被斜面铲件铲起，反铲件在偏航主轮反转同理铲起油泥，工作人员只需要定期清理斜面铲件和反铲件即可。
Resumen de: CN224432097U
本实用新型公开了一种多功能双行程的双向撑杆，双行程的双向撑杆包括：中空导向管和对称设置在中空导向管上的两个撑杆机构；任一撑杆机构包括第一移动部、第二移动部和感应装置，第一移动部基于连接基座与第二移动部固定连接，第一移动部可移动地套设在中空导向管上，感应装置安装在第二移动部的一侧；第二移动部包括驱动电机、固定外壳和推杆，推杆可移动地设置在固定外壳内，且驱动电机的输出端与推杆连接，推杆受驱动电机的驱动在固定外壳内移动。本实用新型通过设置第一移动部和第二移动部，两者的部分结构可移动地重合，使得双向撑杆的结构更加紧凑，缩短了双向撑杆的径向长度，有利于在狭窄空间内满足各种工作需求。
Resumen de: CN224438171U
本实用新型涉及一种风塔用无接缝滑触线集电器，在实际风塔升降机使用过程中可将无接缝滑触线通过防护组件安装于风塔的内壁，并将安装组件安装于升降机上，当升降机需要进行取电时无接缝滑触线通过弹性取电组件对升降机进行供电，在进行滑触取电时，弹性连接组件将集电仓向无缝滑触线的方向挤压，使弹性取电组件更好的与无缝滑触线接触，同时弹性取电组件依靠弹性保持与无缝滑触线的接触，由此能够更好的对升降机进行移动供电，提升输电时的稳定性，避免集电器与滑触线分离，并且提高防护效果较差。
Resumen de: CN122304937A
本发明提供了一种风机塔筒不均匀沉降及倾斜率的检测与预警方法，属于风力发电监测技术领域，方法包括：对两个IMU传感器进行校准以获取校准参数和温度补偿系数；将两传感器沿铅垂线部署于塔筒底层和顶层，并计算安装补偿矩阵；在塔筒运行期间，通过分析加速度模值及方差智能筛选出塔筒持续静止状态的数据段；对该数据段依次进行校准、温度及安装补偿，并计算得到底层和顶层的横滚角与俯仰角；根据底层倾角、顶层倾角及两者差值，结合预设阈值，触发不均匀沉降、整体倾斜及塔筒形变的即时预警，并可基于倾角历史变化速率进行长期趋势预警。本发明实现了高精度、抗干扰的监测，能有效分离不同结构变形来源，并构建了多层次智能预警体系，提升了风机塔筒安全监测的可靠性与运维效率。
Resumen de: CN122304917A
本公开提供一种风电机组变桨系统控制参数自适应整定方法及系统，其通过实时获取平均风速、湍流强度、机组健康指数以及电价等多重关键运行数据，进而计算出一个综合考量环境、机组状态和经济效益的动态权衡因子；同时，根据当前的平均风速、湍流强度和健康指数，在预设的多目标性能图谱中查询或生成代表当前工况最优权衡解的虚拟Pareto曲线，该动态权衡因子将智能地引导系统在Pareto曲线上选择出最适配当前需求的PI控制器参数，并通过平滑更新机制，确保新参数稳定、无扰动地应用于控制器，从而实现对变桨系统控制参数的持续性、智能优化。通过这样的方式，显著提升了风电机组在复杂多变风况下的运行性能，延长了机组使用寿命。
Resumen de: CN122315817A
本发明公开一种考虑风机转速和超速减载的约束机组组合方法及装置，本方法先基于电力系统频率响应模型，推导频率动态安全约束；通过最小二乘法分段线性化策略处理非线性最大频率偏差，得到线性化频率动态安全约束。接着构建风机超速减载模型并经分段线性化转化为线性约束；利用ReLU激活函数的深度神经网络，构建风机最低转子转速与相关参数映射的代理模型，转化为混合整数线性形式以获得转速安全约束。整合三类约束及线路潮流、机组运行层面常规约束，构建频率约束机组组合模型并求解，得到机组组合日前调度方案。本发明解决了现有技术存在的不能兼顾系统频率安全与风机转速安全、风机超速减载潜力未充分挖掘等问题。
Resumen de: CN122304920A
本申请涉及风力发电技术领域，提供了一种风力发电机组叶片净空紧急保护方法、装置和风力发电机组，包括：基于净空监测数据，确定净空恶化变化率；响应于所述净空恶化变化率满足紧急触发条件，触发以最大变桨速率执行的紧急顺桨动作。本申请将净空恶化变化率作为前置趋势预警判据，在绝对净空跌破安全底线前识别恶化趋势并主动干预，同时突破常规停机逻辑的速率限制，以最大变桨速率极速避险，显著缩短保护响应时间，为建立安全净空裕度争取关键时间窗口，有效降低扫塔事故概率。
Resumen de: CN224432704U
本实用新型提供了一种风力发电机桨叶自动标桨系统，该系统由安装于桨叶根部机械49°位置预设标记处且中心线与之重合的接近开关、固定于桨叶根部并随桨叶转动经过接近开关感应区域的限位挡片、当限位挡片进入感应区域时生成标定脉冲信号的脉冲信号触发模块，以及响应标定脉冲信号将变桨控制系统中旋转编码器角度强制调整为预设49°机械位置的角度强制校正模块构成，接近开关与限位挡片最近间隙精确设置为3mm，既保证触发精度又防止机械碰撞，系统在桨叶开桨和收桨过程各触发一次标定脉冲信号，用于实时校正旋转编码器角度，将49°机械位置作为中间校准点以消除角度累积误差，且系统集成于变桨控制系统，无需额外控制单元。
Resumen de: CN224432714U
本实用新型公开了一种风电叶片除冰装置，包括导电发热涂料层和绝缘层，导电发热涂料层布设在风电叶片的表面，绝缘层铺设在导电发热涂料层的表面；导电发热涂料层连接有电源模块，电源模块连接有控制器，控制器用于控制电源模块的输出功率，以控制导电发热涂料层的发热量。本实用新型采用导电发热涂料层和绝缘层的技术，其基材和风电叶片易结合，且结构极为简单，层间总厚度为0.07mm左右，减少了风电叶片的附加设备，有效降低了由于机械应力和温度应力对风电叶片的影响，而且其使用成本低，除冰效率高，安全性和可靠性高。
Resumen de: CN224432281U
本实用新型提供了一种风机机舱柜门加固装置，包括柜门加固组件，吊车固定组件安装至风机机舱柜门顶部，柜体加固组件安装至风机机舱柜体左右两侧，机舱加固组件安装至风机机舱边缘，柜门加固组件安装至风机机舱柜门前侧。本实用新型有益效果：本加固装置可于联合动力UP86‑1500风电机组中大规模应用，实现了机舱柜门可靠锁定，消除了机舱柜门因振动自行打开的缺陷，消除安全隐患，避免造成风机装置性故障的发生，从而不会影响机组安全运行，实用性强。
Resumen de: EP4768712A1
The present disclosure concerns a hub (1) for a rotor of a wind turbine, comprising a hub body (2), comprising a first flange (4), and at least one second flange (5) configured for supporting a rotor blade, the at least one second flange defining a second flange area (6) of the hub body. The hub further comprises a stiffening element (7) extending within at least a portion of the second flange area, wherein a thickness of the stiffening element in a direction perpendicular to the extension is constant at least over a defined extent.
Resumen de: EP4768713A1
A present disclosure refers to a hub (1) for a rotor (110) of a wind turbine (100), comprising a hub body (2) with a first flange (3) configured for attaching the hub body to a rotor shaft of the wind turbine and with at least one second flange (5) configured for supporting a rotor blade, the at least one second flange defining a second flange area (6) of the hub body, further comprising at least two stiffening elements (7) extending within at least a portion of the second flange area each stiffening element adjoining the hub body at at least two joints (8), wherein each stiffening element extends in a length direction with reference to an extension direction (S-S) of the rotor shaft.
Resumen de: CN122300690A
本发明公开了一种多关节连杆式风力发电浮空飞艇平台，属于浮空飞行器与新能源技术领域。本发明通过尾部风能捕获机构(5)驱动囊体内多关节连杆式风力发电机构(7)发电，采用磁力耦合无接触传动技术解决气囊穿孔漏气难题，并结合无线电能传输模块(12、13)，实现气囊零穿孔、不漏气、持续供电与长时间滞空；飞艇可作为空中无线充电基站与通信中继平台，为无人机编队(15)提供持续补能与远程信号支持，实现无人机全天候集群作业。本发明解决了传统无人机续航短、浮空器易漏气、缺乏空中供能平台等行业痛点，适用于安防监控、森林防火、边境值守、无人机集群作业、低空通信中继与应急供电等场景。所述多关节连杆式风力发电机构(7)通过非接触磁力传动与风能捕获机构(5)连接，内部设有磁悬浮无接触发电组件(14)。
Nº publicación: CN122310168A 30/06/2026
Solicitante:
北京华能新锐控制技术有限公司
Resumen de: CN122310168A
本公开的实施例提供一种LSTM‑注意力融合齿轮箱油温预测与预警方法及系统。方法包括：采集风电机组齿轮箱的SCADA数据，进行数据清洗、归一化处理和特征选择；构建包含输入层、第两个LSTM层、注意力层和全连接输出层的离线LSTM‑注意力融合网络，并利用健康数据集训练获得最优预测模型；实时采集监测数据，经预处理后输入最优模型得到油温预测值；计算预测值与实际值的残差，基于残差采用EWMA算法计算动态的残差控制上限和下限作为预警阈值，并根据残差与阈值的比较结果判断故障。通过LSTM与注意力的层次化协同，提升了变工况下的预测精度和对微弱故障特征的敏感性，结合动态阈值预警，增强了系统的鲁棒性和可解释性。
BOPI
Sede Electrónica
