Alerta

一种风机叶片振动响应预测方法及系统

Resumen de: CN121071626A

本发明涉及数据处理技术领域，具体涉及一种风机叶片振动响应预测方法及系统，该方法包括：确定风机叶片的不确定性参数；基于所述不确定性参数，确定所述风机叶片的结构属性；基于所述结构属性，生成用于振动响应分析的模型样本；基于所述模型样本和经过模型样本训练的物理信息神经网络模型，确定所述风机叶片的振动分析结果；基于所述振动分析结果，对所述风机叶片进行响应预测，得到所述风机叶片的目标预测结果。该方法将物理信息与神经网络模型结合，使得预测结果不仅考虑了数据的统计特性，还融合了物理规律和系统不确定性的影响，进一步提高了振动响应预测的精度。

基于HHT和DBSCAN的风机叶片故障诊断系统及方法

Resumen de: CN121066785A

本发明涉及风机叶片故障诊断技术领域，公开了基于HHT和DBSCAN的风机叶片故障诊断系统及方法。同步采集三轴加速度传感器获取的振动信号与SCADA系统采集的风速、转速工况数据；对采集到的振动信号进行EMD经验模式分解，将其分解成有限个数的IMF信号，筛选有效的IMF信号；经HHT变换生成希尔伯特谱并提取多尺度频带能量特征，融合SCADA数据对特征进行工况自适应归一化；随后采用基于K‑距离图参数自适应的DBSCAN聚类算法处理归一化特征，通过识别样本占比＜5%的异常簇并结合频带能量偏离阈值实现故障诊断。本发明解决了传统方法对非平稳信号分解不彻底、依赖标注样本及聚类鲁棒性不足的问题，实现了无监督、高精度的叶片状态监测。

一种用于风电半直驱发电机锁定装置

Resumen de: CN121077148A

本发明涉及一种发电机锁止机构，尤其是一种用于风电半直驱发电机锁定装置。一种用于风电半直驱发电机锁定装置，包括定子基座，定子基座内侧固定有定子，在定子内侧安装有可转动的转子，在定子基座的一端有向外凸起的后端盖，转子尾端的刹车盘伸入到后端盖内，后端盖上周向的设置有多个轴向锁定装置，轴向锁定装置可与刹车盘的两侧面接触，转子与定子之间卡入多个径向锁定装置。该锁定装置以周向轴向锁定装置从刹车盘两侧限位，阻转子轴向窜动；借转子与定子间径向锁定装置形成支撑，防径向偏移，二者协同实现双重锁定，可在发电机运输、安装及维护时固定定转子相对位置，避免部件因意外相对运动碰撞、磨损或绝缘损坏，保障设备安全。

无源全天候绿色能源站

Resumen de: CN121077356A

本发明涉及绿色能源技术领域,公开的无源全天候绿色能源站，主要包括以主体底座为支撑基础，其上方安装的光伏设备可高效转化太阳能，光伏设备两侧的聚光设备能汇聚光线，增强光伏转化效率，设备顶部的旋转风扇可利用自然风驱动，下方的涡轮扇叶则进一步提升风能捕获能力，双风扇结构强化了风能利用，涡轮扇叶下方的链条伸缩机构可灵活调节设备角度，适应不同时段的光照与风向，聚光设备后方的燃烧储能桶能利用生物质等可再生燃料补充能源，配合光伏设备下方的蓄电池实现能量储存。该设计整合光、风、生物质能等多种绿色能源，突破传统设备功能单一局限，减少对特定气候环境的依赖，实现全天候稳定供能。

一种风光电综合电解制氢同步燃烧系统

Resumen de: CN121067376A

本发明公开了一种风光电综合电解制氢同步燃烧系统，涉及供暖设备技术领域，包括设备底板，所述设备底板上端安装有电解槽，电解槽上端可拆卸式安装有顶板，电解槽两端前后部皆安装有固定组件，顶板上端两侧通过安装孔分别安装有阴极棒和阳极棒，阴极棒和阳极棒之间的顶板上端安装有连接管，连接管一端安装有防止回火箱，防止回火箱上端安装有氢氧输送管道，电解槽一侧的设备底板上端安装有电解液混合箱，电解槽前方的设备底板上端安装有电能储存设备。本发明通过使用太阳能和风力发电，使用绿电能源进行水电解制氢，产生的氢氧混合气体经过防回火箱加入到供暖炉内部实现助燃效果，有效替代石化能源进行燃烧，使用具有一定安全性。

高压涡轮工作叶片的轻量化设计方法

Resumen de: CN121072075A

本发明公开了一种高压涡轮工作叶片的轻量化设计方法，具体包括以下步骤：S1：对原型叶片进行几何特征分析，得到原型叶片的几何特征参数；S2：在满足相关尺寸约束的条件下，以原型叶片为基础，缩短叶片弦长同时减小叶型面积，开展叶片造型迭代优化，获得叶型负荷分布和高压涡轮效率满足设计要求的减重叶片；S3：对减重叶片开展气动性能迭代优化，获得气动性能满足设计要求的减重叶片；S4：对减重叶片开展冷却结构迭代优化，获得传热性能满足设计要求的减重叶片，再对减重叶片开展强度寿命迭代优化，获得强度寿命满足设计要求的减重叶片；S5：输出气动性能、传热性能和强度寿命均满足设计要求的减重叶片。

一种用于风电齿轮箱行星轮的浮环动压轴承

Resumen de: CN121067037A

本发明的一种用于风电齿轮箱行星轮的浮环动压轴承，涉及风电齿轮箱技术领域，包括行星轮组件、可倾平面止推轴瓦组件、行星轮销轴组件以及浮环；一对可倾平面止推轴瓦组件分别置于行星轮组件的两端外侧，浮环置于可倾平面止推轴瓦组件与行星轮组件之间；行星轮组件、可倾平面止推轴瓦组件以及浮环通过行星轮销轴组件同轴串联固定在行星架上。本发明通过在现有风电齿轮箱的滑动轴承体内增设浮环，形成了双油膜润滑和承载，同时在恰当位置合理设置甩油环、单向球型止回阀以及复合材料弹性阻尼器耐久耐超高压的液压元件，极大程度降低了在低速重载工况下滑动轴承未能及时充分形成稳定的动压油膜而导致抱轴和烧瓦的故障率。

一种多层复合材料增强的超高性能混凝土风电混塔及其制备方法

Resumen de: CN121066434A

本发明属于风力发电设备技术领域，具体涉及一种多层复合材料增强的超高性能混凝土风电混塔及其制备方法。所述风电混塔包括外层、中层和内层；其中：所述外层为复合材料层；所述复合材料层由增强聚合物制成，并包裹在所述中层的外部；所述中层为混凝土层；所述混凝土层由超高强度水泥、石英砂、硅灰和高效减水剂混合而成；所述内层为增强结构层；所述增强结构层由高强度钢筋网和玻璃纤维增强聚合物组成，固定于所述中层的内侧。本发明通过多层结构协同作用，显著提高了风电混塔的强度、耐久性和抗裂性能，同时实现轻量化设计，降低施工和维护成本，具有显著的经济效益。

基于PLC的风电机组启动状态评估方法及系统

Resumen de: CN121066778A

本申请涉及状态评估领域，具体公开了一种基于PLC的风电机组启动状态评估方法及系统，其不再将风电机组启动状态评估局限于单个、静态的终点值，而是将评估维度从点提升到线和面。具体而言，首先在响应启动命令时，利用PLC协处理器根据当前环境温度等上下文信息，从预设的DHP数据库中匹配或动态生成一条与当前工况相适应的目标动态健康曲线。这条曲线不仅定义了理想的温度‑时间轨迹，更内嵌了如理想升温速率、波动范围等关键动态特征。随后，在实时采集待监控组件的时序数据后，通过提取其实时动态特征并与目标曲线的特征进行向量化的轮廓相似度比较，从而得出一个量化的健康评分。

METHOD FOR PROVIDING A REACTIVE POWER BY WAY OF A WIND FARM CONTAINING MULTIPLE WIND POWER INSTALLATIONS

Resumen de: US2025369421A1

The disclosure relates to a method for providing a farm reactive power by way of a wind farm containing multiple wind power installations, comprising the steps of receiving a farm target value, which characterizes or influences a farm reactive power, used to specify a reactive power to be fed in by the wind farm, determining a farm control setpoint as a common target value for all wind power installations as a function of the farm target value, determining an individual installation control setpoint in each case for one of the wind power installations as a function of the farm control setpoint, determining and outputting an individual installation reactive power or an individual reactive current in each case by way of one of the wind power installations as a function of an installation voltage difference in the form of a difference between an installation actual voltage and an individual installation voltage setpoint of the respective wind power installation, where the individual installation voltage setpoint is determined from the individual installation control setpoint of the respective wind power installation, or corresponds to the individual installation control setpoint, and where the individual installation control setpoint is determined in each case as a function of the individual installation reactive power of the respective wind power installation and as a function of multiple, in particular all individual installation reactive powers of the wind power installations

METHOD FOR REDUCING THE DYNAMIC FORCES AND VORTICAL STRUCTURES ACTING ON A WIND TURBINE

Resumen de: WO2025247531A1

A method for reducing the dynamic forces and vortical structures acting on a wind turbine is proposed. The method comprises providing a suction pump at a given location of a wind turbine; generating a constant or periodic suction of the fluid at a blade tip by the suction pump; and decreasing a pressure at the blade tip until reducing the vortices up to a given threshold. The invention also relates to a method and computer program for maximizing the power generated by a wind turbine.

EXPLAINABLE METHOD FOR MONITORING STATE OF GENERATOR OF WIND TURBINE GENERATOR SYSTEM ON BASIS OF SPATIO-TEMPORAL GRAPH

Resumen de: US2025369424A1

Disclosed is an explainable method for monitoring a state of a generator of a wind turbine generator system on the basis of a spatio-temporal graph. The method includes: S1: acquiring data collected by a supervisory control and data acquisition (SCADA) system; S2: carrying out data understanding on the SCADA data, selecting features associated with the generator, and carrying out data preparation on the selected feature data, and obtaining valid data; S3: embedding the SCADA data, and forming a directed spatio-temporal graph data sequence; and S4: carrying out modeling of a normal behavior model of the generator on the constructed directed spatio-temporal graph data sequence, computing a full-graph-level residual and a node-level residual, computing a residual through an exponentially weighted moving average (EWMA) control chart method, carrying out full-graph-level state monitoring on the generator, forming a fault information transmission chain relation, and enhancing explainability and robustness of a monitoring result.

FLOATING FOUNDATION FOR AN OFFSHORE WIND TURBINE AND METHOD OF CONSTRUCTION

Resumen de: US2025368299A1

A floating foundation for an offshore wind turbine having a tower defining a vertical direction, the floating foundation comprising at least three vertical sections and at least two horizontal sections, wherein the vertical sections and the horizontal sections are tubular members, arranged in an alternating manner, and connected together by interpenetrating tube joints and wherein one of the vertical sections is arranged to receive the tower.

FAULT MANAGEMENT IN RENEWABLE ENERGY PRODUCTION

Resumen de: WO2025247462A1

A computerized method of fault prioritization for a distributed system of renewable energy production assets is described Fault notifications, each comprising an identification of an energy production asset with a fault and one or more fault parameters for that fault, are received. A fault prioritization is determined from the fault parameters and from at least one further parameter for each fault indicative of current projected possible operation of the renewable energy production asset affected by that fault on remediation of the fault. A method of fault remediation for a distributed system of renewable energy production assets comprising such a method of fault prioritization is also described, as is a computer system adapted to perform such a method of fault prioritization.

A WIND TURBINE ROTOR BLADE

Resumen de: WO2025247550A1

A wind turbine rotor blade comprising • a blade root, • a blade tip, • a blade length, • a tip section including the blade tip and extending over 5 % of the blade length or less, • a main section extending over 50 % of the blade length or more and ending at the tip section, and • a cross section having, at each position along the blade length, ˗ a chord and ˗ a maximum thickness at a maximum thickness chord position, • wherein the wind turbine rotor blade is designed to be operated with variable pitch angle, a design pitch angle being the angle at which the wind turbine rotor at a design tip speed ratio extracts maximum power from the wind, • wherein in a projection onto the rotor plane of the wind turbine rotor blade arranged at the design pitch angle, the maximum thickness chord position throughout the main section is offset from the pitch axis towards the leading edge.

SYSTEM, METHOD AND DEVICE FOR CHECKING BLADES OF WIND POWER PLANT

Resumen de: US2025369901A1

A blade inspection system includes: a transmitter of electromagnetic waves mounted in a first unmanned aerial vehicle (UAV); a receiver of electromagnetic waves mounted in a second UAV; at least one processor communicably coupled to the transmitter and the receiver; and a memory storing instructions executable by the at least one processor. The instructions causes the at least one processor to execute: emitting electromagnetic waves from the transmitter to the rotating surfaces of the blades of a wind power plant in a state where the first UAV and the second UAV face each other with the blades sandwiched therebetween; receiving, by the receiver, at least one of a reflected wave and a diffracted wave generated by the blades due to the emission of the electromagnetic waves from the transmitter; and determining whether there is an abnormality in the blades through analysis of the reflected wave or the diffracted wave.

BIRD OR BAT DETECTION AND IDENTIFICATION FOR WIND TURBINE RISK MITIGATION

Resumen de: US2025366462A1

An automated system for mitigating risk from a wind turbine includes a plurality of optical imaging sensors. A controller receives and analyzes images from the optical imaging sensors to automatically send a signal to curtail operation of the wind turbine to a predetermined risk mitigating level when the controller determines from images received from the optical imaging sensors that an airborne animal is at risk from the wind turbine.

SELF-REGULATING SMALL WIND TURBINE GENERATOR SYSTEM AND METHOD

Resumen de: US2025369422A1

A small turbine generator is connected to a wind turbine. The wind turbine spins freely due to a variable wind force on the wind turbine. The generator includes a spinning rotor that is responsive and spins proportional to spin of the wind turbine. A stator is connected to an actuator. The stator is selectively moved by the actuator nearer to or further from the rotor to vary the electrical power generated. Movement of the stator is controlled such that an electrical measure, such as voltage of the electrical power generated, does not exceed a threshold level.

Wind Turbine System Integrity Monitoring System (WTIMS)

Resumen de: US2025369423A1

A monitoring system for a wind turbine system, may comprise: thickness sensors and vibration sensors disposed on the monitored system, controller processors coupled to the sensors to receive and geo-tag sensor data, and communication devices for transmitting geo-tagged data. A communication device for receiving the geo-tagged data, and servers to analyze the data from the sensors to determine, e.g., element thickness and/or vibration producing events, and to compare same to standardized exception data therefor; wherein when an exception exists, to generate and communicate an alert therefrom via a display, a human interface device and/or the communication device. Additional sensors such as temperature sensors, strain gages, flow sensors, leak sensors and/or other sensors may also be disposed on the wind turbine system, and data therefrom processed to determine exceptions.

SPHERICAL WIND TURBINE WITH DIMPLES

Resumen de: US2025369419A1

Disclosed systems and devices relate to generating energy using spherical wind turbines with dimples. The systems, devices, and methods described herein relate to a wind turbine with no blades or propellers. Currently, wind turbines with blades or propellers can have their functionality impaired by the presence of dust, soot, or ash particles in the air. This makes it difficult to operate current wind turbines in certain harsh environments. In this device, a spherical shell entirely encapsulates the generator, such that dust, soot, or ash particles do not interfere with the turbine. In some embodiments, the dimples capture wind to rotate the spherical shell. In some embodiments, the outer surface of the spherical shell is covered with flexible solar cells. In some embodiments, the flexible solar cells sit inside the dimples.

LIFT CRANE ASSEMBLY FOR A WIND TURBINE NACELLE

Resumen de: US2025368478A1

According to one embodiment, a crane configured for a wind turbine having a nacelle with a nacelle hatch may include a post configured to couple the crane with the nacelle of the wind turbine, a step coupled with the post, the step sized and shaped such that at least a portion of the step is positioned and located below the nacelle hatch when the post is coupled with the nacelle of the wind turbine, a column extending away from the step, and an arm coupled with the column, wherein the arm is selectively rotatable about the column to position a distal end of the arm above the nacelle hatch.

SYSTEMS, METHODS, AND DEVICES FOR POWERING A MESH NETWORK USING A PORTABLE POWER CASE

Resumen de: US2025374445A1

Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case is operable to supply power to a transceiver. The portable power case is operable to be charged using a DC power source (e.g., solar panel, wind turbine, water turbine). A plurality of portable power cases, DC power sources, and transceivers are operable to form a mesh network.

MAGNETIC ROTATING MECHANISM

Resumen de: US2025373115A1

A magnetic rotating mechanism has at least one layer structure. Each layer structure has at least one rotating arm (4), at least one securing base (14), a rotating axle (2), a top board (17), and a bottom board (15). The at least one rotating arm (4) is located between the top board (17) and the bottom board (15). The at least one securing base (14) is mounted on the bottom board (15). At least one permanent magnet is mounted on each one of the rotating arm (4) and the securing base (14). The permanent magnet on each rotating arm (4) has a magnetic pole direction parallel to the diameter direction of the rotating circle, and the permanent magnet on each securing base (14) has a magnetic pole direction parallel with an axle direction of the rotating axle (2).

INTRINSICALLY ADAPTING VARIABLE GENERATORS AND MOTORS

Resumen de: US2025373132A1

A dynamoelectric machine including a magnet layer to generate a magnetic field, a conductor affixed to the magnet layer, and a yoke radially inward or radially outward from the magnet layer and the conductor. The magnet layer and the yoke have a conical shape with a changing radial thickness along an axis of the dynamoelectric machine. A first axial end of the magnet layer has a smaller diameter than a second axial end of the magnet layer.

STRUCTURAL HEALTH MONITORING SYSTEMS, ENERGY HARVESTERS, AND METHODS OF USE THEREOF

Nº publicación: WO2025250886A1 04/12/2025

Solicitante:

UNIV OF MASSACHUSETTS [US]
UNIVERSITY OF MASSACHUSETTS

Resumen de: WO2025250886A1

A structural monitoring system for a wind turbine blade includes a sensing system disposed in a structural cavity of the wind turbine blade. The sensor system has at least one sensor for detecting and recording anomalies in the wind turbine blade. A vortex generation-based energy harvester for a wind turbine blade is also disclosed. The energy harvester includes a generator configured to generate power and an air turbine having at least one blade operatively connected to the generator. The energy harvester is on the surface of the wind turbine blade to generate a vortex as air flows over an outer surface of the wind turbine blade.