Resumen de: CN121111592A
本发明公开了一种多轮风力发电机的多目标控制与故障调节方法,包括步骤S1:通过分布式感知模块实时采集各风轮运行参数与风场气流参数;步骤S2:根据S1参数,多目标优化单元建模型求解,生成各风轮基准指令;步骤S3:故障容错控制单元实时诊断风轮参数,若有故障执行S4;步骤S4:故障容错控制单元定位故障风轮、定严重程度,生成邻轮补偿指令,控邻轮补偿;步骤S5:监测邻轮补偿后状态与总功率,不达标返回S4调整。步骤S6:故障解除后,协同执行单元控邻轮逐步恢复至S2基准状态。步骤S7:据S1风速调S2模型权重动态调节风轮;通过全局采集与权重调整,实现尾流抑制、提风能效率及故障时系统稳定运行。
Resumen de: CN121111627A
本申请公开了一种风机机组低效监测方法、装置、设备及可读存储介质,属于风力发电技术领域,该方法包括:获取风机机组的测点数据;从测点数据中提取风机机组的历史风速分布特征,进行风机机组集群动态分组;根据测点数据确定单机低效偏差指标和集群低效偏差指标;根据单机低效偏差指标和集群低效偏差指标进行低效状态判定;对低效机组进行时空数据挖掘,并进行低效根因映射;低效机组是低效状态的风机机组。本申请可以实现风机机组低效状态日级自动诊断和历史低效状态挖掘,并实现低效状态的精准识别与根因映射,为风机运维决策提供量化依据,从而提高运维精度和效率。
Resumen de: CN121118682A
本发明提供了一种基于多模态特征融合的风力涡轮机功率预测方法,涉及风力涡轮机功率预测技术领域,包括:使用多种类别传感器获取多源传感器数据,生成标准化时序数据集;基于标准化时序数据集建立第一观测矩阵,构建权重感知分数阶自适应遗传算法对第一观测矩阵进行优化,得到第二观测矩阵;应用扩展卡尔曼滤波,结合风力涡轮机的工作状态和物理建模,对第二观测矩阵进行特征融合和降噪;构建双向长短期记忆网络,基于多维降噪特征向量进行功率时序建模,得到输出功率预测值;将输出功率预测数值与真实值之间的误差反馈至权重感知分数阶自适应遗传算法进行参数迭代优化,得到第三观测矩阵,基于第三观测矩阵得到风力涡轮机的功率预测值。
Resumen de: CN121120615A
本申请涉及一种风力涡轮机表面缺陷检测方法及系统。所述方法包括:采用GSConv和VOV‑GSCSP实现轻量化设计。这两种组件的使用也使特征融合更合理、更流畅。在检测头部分,我们放弃解耦式头部设计,转而合并两条分支,显著提升了模型的检测速度并缩小了模型体积。此外,我们设计了SCConv Head检测头,该设计在最小化影响准确性的前提下大幅减少模型参数数量,从而提升了模型的检测速度。速度并缩减模型体量。此外,我们设计的SCConv Head检测头在极小影响准确率的前提下大幅降低模型参数数量,从而显著提升检测速度。
Resumen de: DK202470150A1
The present invention presents a method for optimizing hoisting performance of components in situ using an up-tower crane mounted in or on a wind turbine nacelle. The method reduces the operation complexity, time consumption and costs of hoisting before, during and after the hoisting procedure and at the same time narrow down the working location to a minimum. A wind turbine comprises a tower and a nacelle having a hub end and a hoisting system comprises an up-tower crane arranged in or on the nacelle, wherein the up-tower crane is configured to hoist a component according to a load rating chart. The lifting capacity of the up-tower crane, in cooperation with the wind turbine, is defined by the load rating chart. The load rating chart defines a plurality of hoisting zones having different lifting capacity. The up-tower crane comprises a crane boom and a main wire having a hook arrangement. The up-tower crane is configured to yaw into at least one crane yaw position. The method comprises the following acts of: - selecting at least one of said plurality of hoisting zones, - determining a first nacelle yaw position of said nacelle, - determining a first load position of said component, - yawing said up-tower crane to a first crane yaw position, such that said crane boom extends in a boom direction of the nacelle’s hub end within a predetermined hoisting zone, wherein the crane boom is arranged in a first booming position, - yawing said nacelle into a second nacelle yaw positio
Resumen de: WO2024132940A1
The present invention relates to a floating structure (3) comprising a tensioned mooring system (5) comprising - at least three junction points (31) disposed on an inner virtual circle (A), - at least three peripheral anchors (53) linked to an individual junction point (31) with at least one peripheral tendons (52), the peripheral tendons being attached to the peripheral anchors (53) on mooring points (51) disposed on an outer virtual circle (B) having a larger diameter than the inner virtual circle (A), - at least one inner anchor (53'), disposed on the seabed (Sb) inside the inner virtual circle (A), each junction point (31) being attached with at least one inner tendon (52'), wherein the peripherical tendons (52) and/or the inner tendon (52') are made in materials having a Young modulus greater or equal to 50GPa.
Resumen de: WO2024132939A1
The present invention relates to a floating structure (3) comprising a tensioned mooring system (5) intended to moor and stabilize the floating structure (3) to the seabed (Sb), wherein the tensioned mooring system (5) comprises at least three independent anchors (53) and at least two tendons (52) per anchors (53), each tendon (52) having a different junction point (31) so that the tendons (52) of the same anchor (53) are inclined with an angle comprised between 30° and 60°, the junction points (31) being disposed on an inner virtual circle (A), wherein the tendons (52) are made in materials having a Young modulus greater or equal to 50GPa, and wherein the tendons (52) are attached to the anchors (53) on mooring points (51) disposed on an outer virtual circle (B) having a larger or equal diameter than the inner virtual circle (A).
Resumen de: WO2025255158A1
The present invention describes a low-profile wind or airflow driven turbine system for generating electrical charge on or attached to a vehicle. Embodiments will generally be incorporated into the vehicle's power system and allow for replacing some or all of the vehicle's electrical needs. The device utilizes the airflow from motion of the vehicle, along with any existing airflow along the same vector, to drive a turbine which transfers the energy rotationally through a stator mechanism. The device is modular and may be deployed in groups to take greater advantage of potential wind/air flow opportunities.
Resumen de: WO2025253031A1
The present invention relates to improvements to systems for capturing wind energy at a height, using rotating turbines or rows of rotating turbines at a great height, which are secured with cables at one end, the other end being free, and which are automatically oriented with the wind. Said improvements comprise: securing cables for securing the turbines to the ground, the turbines being: spherical caps, cones or hoods and parachutes with side slits or openings, and the helical turbines consisting of a spring having a steel rod peripheral to the helical-shaped fabric or canvas blade; generators, the shafts of which are secured and actuated by the securing cables; RPM multipliers between the turbines and the generators; systems for the initial lifting of the turbines using drones; earthing discharge systems for static current and lightning; warning systems with LED strobe lights; and a protective controller microprocessor which issues operation warnings.
Resumen de: WO2025253408A1
An on the go charging system (200) for vehicles with RREMS (204) is disclosed. The On the go charging system (200) includes a plurality of energy generators configured to generate electric energy from a plurality of energy sources (202). The On the go charging system (200) further includes the RREMS (204) which is configured to: (a) collect the generated electric energy from the plurality of energy sources (202); (b) direct the electric energy to motor (214) through a controller (212) when the motor (214) draws electric energy, (c) adapt a current controlling circuit (804) and a microcontroller (1202), of the regenerative and renewable energy management system (204) to direct the electric energy to the motor (214), to a dump load, to a load shedding resistor (210), to the primary battery (208), to the secondary battery, and to a plurality of subsystems of the vehicles, based on requirements.
Resumen de: WO2025252009A1
An emergency device for preventing damage to a wind turbine, the device relating to the technical field of wind power generation safety. The device comprises: a transmission assembly (100), comprising a fan wheel (101), fan-shaped rotating plates (102) connected to the fan wheel, and a connecting shaft (103) cooperating with the fan-shaped rotating plates; and a disconnection assembly (200), comprising an electric motor (201), a moving block (202) connected to the electric motor, a limiting platform (203) cooperating with the moving block, an arc-shaped abutting plate (204) connected to the moving block, and an elastic connecting member (205) connected to the connecting shaft. The device can not only prevent overheating and damage caused by the fan wheel driving a bearing to rotate excessively fast, but also avoids locking the fan wheel, which would otherwise result in damage due to a large wind force on one side, thus the device has good practicability.
Resumen de: WO2025251419A1
The present application relates to the technical field of climb assist devices, and in particular to a low-temperature heating device for a climb assist device for a wind turbine generator, comprising a case (1), connecting pipes A (9), a heat conducting pipe (12), a spiral plate (14) and a circulation pump (15). Two sliding blocks (2) are symmetrically arranged in the case (1), two upper hollow shafts (3) and two lower hollow shafts (3) are arranged on the sliding blocks (2), and the hollow shafts (3) penetrate through pulleys (4). Ends of two hollow shafts (3) on a same side on a same sliding block (2) are communicated with each other by means of the corresponding connecting pipe A (9). The heat conducting pipe (12) is located in the case (1) and is connected to the inner wall thereof, a heat conducting medium is stored in the heat conducting pipe (12), and a heating rod (13) is provided in the heat conducting pipe (12). The spiral plate (14) is located in the heat conduction pipe (12), and the inner wall of the spiral plate (14) is connected to the outer wall of the heating rod (13). The circulation pump (15) is connected to the case (1), one end of a spiral channel is communicated with the hollow shafts (3) below the sliding blocks (2) on both sides by means of the circulation pump (15), and the other end of the spiral channel is communicated with the hollow shafts (3) above the sliding blocks (2) on both sides. The present application can achieve simultaneous heating of
Resumen de: US2025376248A1
A spar-type floating offshore wind turbine assembly is assembled and then supported in a transport configuration with its longitudinal axis substantially horizontal or inclined at a shallow acute angle to the horizontal. The assembly is upended during installation to bring the longitudinal axis to a substantially vertical orientation. In a transport configuration, buoyant upthrust is applied to the assembly by immersion of a spar buoy at a lower end of the assembly and of at least one discrete support buoy that is attached to the spar buoy at a position offset longitudinally from the lower end. A brace acts between the spar buoy and an upper structure of the assembly, that structure comprising a mast that is cantilevered from an upper end of the spar buoy. The brace may be attached to the or each support buoy.
Resumen de: US2025376970A1
Provided herein is a family of wind turbine blades of different lengths for cable-stayed wind turbine rotors. An intermediate portion of each blade comprises a cable connection point located at a spanwise distance r from the blade root. The intermediate portion of each blade has a different spanwise length compared to the intermediate portions of the other blades in the family. The cable connection point of each blade in the family is located at a different spanwise distance r from the blade root than the connection point of each of the other blades in the family. The spanwise distance r increases as blade length increases.
Resumen de: US2025376971A1
A wind plant includes at least one wind collector assembly configured to collect a wind stream; at least one booster arm in fluid communication with the at least one wind collector assembly, the booster arm configured to receive the wind stream and to increase the flowrate of the wind stream; and at least one exit conduit, the at least one exit conduit in fluid communication with the booster arm and rotatable with respect to the booster arm. The at least one exit conduit is configured to rotate with respect to the at least one booster arm in response to a thrust force generated by the wind stream exiting the exit conduit. A method of capturing energy from wind is also disclosed.
Resumen de: US2025376972A1
In a first aspect of the present invention there is provided a method of repowering a horizontal-axis wind turbine comprising a tower, a nacelle located rotatably at the apex of the tower, and a rotor having a hub and at least three used blades mounted pitchably to the hub and extending radially therefrom, the method comprising the steps of uninstall the at least three used blades from the hub, install at least three repower blades to the hub, each repower blade extending between a root and a tip, and each repower blade further comprising a connection point located between the root and the tip, install a plurality of blade connecting members, each blade connecting member being connected between corresponding connection points of a pair of repower blades; and install a tensioning system with the hub, the tensioning system being configured to adjust a tension in each blade connecting member.
Resumen de: US2025379479A1
A stator or stator segment for a synchronous machine that comprises lamination stacks each being composed of axially stacked sheets and axially spaced apart the lamination stacks being arranged spaced apart in the axial direction. Slot portions are formed between each pair of adjacent tooth portions and are circumferentially aligned to form a plurality of slots extending in the axial direction. A radially extending cooling fluid duct is formed between at least one pair of adjacent lamination stacks. Stator coils are arranged in the plural slots according to a concentrated winding topology such that a first coil portion and a second coil portion are arranged in each slot, wherein the first and second coil portions are arranged in at least one slot such as to provide an inter coil cooling fluid passage circumferentially between the two coil portions.
Resumen de: US2025376249A1
A method for installing a floating offshore wind generator includes loading an anchor, moving a semi-submersible crane vessel to a site, and installing the anchor at the site, by an anchor management section of the crane vessel, loading a hull and mooring the crane vessel to a quay wall, by a hull management section, pre-assembling wind power equipment on the hull while the crane vessel is moored at the quay wall for a certain period of time, by a wind power equipment pre-assembly section, towing the hull whose pre-assembly is complete from the quay wall to the site, and fixing the anchor and the hull by a mooring line, by a control section, installing an offshore substation by an offshore substation installation section, and installing a submarine cable by a submarine cable installation section.
Resumen de: DE102025118372A1
Die Erfindung betrifft eine Lageranordnung (1) für eine Rotorwelle (2) einer Windenergieanlage (3), aufweisend zumindest die folgenden Komponenten:- zumindest ein Rotationslager (4) zum um eine Rotorachse (5) rotierbaren Lagern einer Rotorwelle (2);- ein Lagergehäuse (6) zum Aufnehmen des Rotationslagers (4);- einen Grundrahmen (7) zum Aufnehmen des Lagergehäuses (6). Die Lageranordnung (1) ist vor allem dadurch gekennzeichnet, dass das Lagergehäuse (6) gegenüber dem Grundrahmen (7) mittels einer Kipplageranordnung (8) gelagert ist.Mit der hier vorgeschlagenen Lageranordnung ist eine funktional sichere und kostengünstige Kipplagerung erzielbar.
Resumen de: DE102024115746A1
Eine Wälzlageranordnung (1), insbesondere in einer Windkraftanlage, umfasst einen Lagerring (5), ein Umgebungsbauteil (2, 3), sowie eine den Lagerring (5) vom Umgebungsbauteil (2, 3) trennende, elektrisch isolierende Pulverlackschicht (7), welche eine Dicke (d7) von mindestens 0,05 ‰ und höchstens 2 ‰ des Fugendurchmessers (Di) aufweist, wobei der Fugendurchmesser (Di) an der Kontaktfläche zwischen der Pulverlackschicht (7) und einer Umfangsfläche eines metallischen Grundkörpers des Lagerrings (5) zu messen ist und die elektrisch isolierenden Pulverlackschicht (7) auf dem Umgebungsbauteil aufgebracht ist.
Resumen de: WO2025254901A1
A closed cycle lift force turbine is provided that comprises a lift turbine, an input stator, and a centrifugal compressor. The closed cycle lift force turbine may be utilized to generate continuous thrust, heat and/or electricity for powering vehicles at any speed in any atmosphere or lack thereof.
Resumen de: WO2025252861A1
A computer system for estimating the expected change in annual energy production (AEP) of a wind turbine, said system being arranged to execute the steps: loading a dataset representing estimated lift and drag curves at specific radial locations, building a baseline Blade Element Momentum (BEM) model of the wind turbine based on said curves and analysing the model to provide a baseline AEP estimation of the wind turbine with original blades, loading a first dataset representing aerodynamic effects of identified structural deteriorations, establishing a parameter representing the blade contamination of the blades of the wind turbine, using said parameter representing the blade contamination to choose a contamination model and applying the contamination model to the blade to generate a second dataset representing aerodynamic effects of blade contamination at specific radial locations along each of the blades of the wind turbine, combining the first and second datasets, using the combined dataset to generate modified lift and drag curves, building a modified BEM model of the turbine based on the modified curves, and analysing the modified BEM model to get an estimate of the AEP of the wind turbine when the structural deteriorations and blade contamination are taken into account. In this way, a simple way of identifying the blade contamination can be provided while still providing effective analysis results.
Resumen de: WO2025252293A1
Disclosed is methods, electronic devices, and wind turbines that enable control of the wind turbine to reduce or avoid excitation of structural eigenmodes of the wind turbine due to an oscillating stabilizing power injected into the power grid in response to a grid frequency oscillation event. Information indicative of a stabilizing power with a stabilizing frequency injected in response to a grid disturbance is received. The stabilizing frequency is compared with an eigenfrequency of a structural eigenmode of the wind turbine, and upon determining that the stabilizing frequency overlaps with the eigenfrequency, determining an indicator of oscillations in the structural eigenmode. It is then determined whether to reduce the injected stabilizing power based on the size and/or a temporal development of the indicator, andupon determining to reduce the injected stabilizing power, controlling the converter to reduce the injection of the stabilizing power.
Resumen de: WO2025252782A1
The present disclosure relates to methods (40) and assemblies for installing a bushing (50) in a root (16) of a wind turbine blade (10). The present disclosure further relates to methods (40) and assemblies for replacing a bushing of a wind turbine blade (10). A method (40) comprises providing (41) a bushing hole (51); inserting (42) a bushing (50) wrapped in a reinforcement fabric (52) in the hole (51), the bushing (50) being closed at a tip end portion. The method (40) further comprises creating (43) vacuum in the hole (51), infusing (44) the reinforcement fabric (52) with resin, and curing the resin.
Nº publicación: WO2025252291A1 11/12/2025
Solicitante:
VESTAS WIND SYSTEMS AS [DK]
VESTAS WIND SYSTEMS A/S
Resumen de: WO2025252291A1
The invention involves controlling a wind turbine in accordance with a maximum allowable rotor torque. The invention involves determining maximum allowable rotor torque based on an obtained rotor speed target. The invention involves determining respective first and second operational parameter references of the wind turbine based on the rotor speed target and on the maximum allowable torque, where the second operational parameter is different from the first operational parameter. When wind speed in the vicinity of the wind turbine is less than a defined wind speed threshold, the invention involves controlling the wind turbine to operate in accordance with the first operational parameter reference. When the obtained wind speed is greater than the defined wind speed threshold, the invention involves controlling the wind turbine to operate in accordance with the second operational parameter reference.