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474
results.
Updated on
06/09/2025 [07:23:00]
Results 275 to 300 of 474
Absstract of: CN120557113A
本发明公开了一种风电叶片除冰系统及风力发电机组，涉及风力发电技术领域，包括叶片本体、仿形气囊和气体抽排装置；叶片本体的压力面设有至少两个滑动槽；仿形气囊贴合于压力面并设有至少一个固接部和至少两个滑块结构，固接部与压力面固接，滑块结构滑动配合于滑动槽；仿形气囊边缘的金属层位于两个相邻的滑块结构之间且为厚度自内向外逐渐减小的楔形结构；气体抽排装置交替对仿形气囊进行供气和负压抽吸而使其交替膨胀和收缩，以带动滑块结构沿滑动槽滑动并与滑动槽的两端发生碰撞，并带动金属层楔入压力面与结冰层之间。本方案通过碰撞增大仿形气囊膨胀收缩时产生的振动强度，并配合金属层的楔入动作，可实现结冰层从叶片本体表面的充分剥离。
Absstract of: CN120553050A
本申请公开了一种海上风电平台及海上风电系统，涉及风力发电技术领域，包括支撑柱、浮筒和阻尼器；支撑柱用于支撑风机；浮筒为多个，且各个浮筒围绕支撑柱间隔分布，浮筒与支撑柱通过连接件连接；阻尼器用于与支撑柱的底部连接，以阻抑支撑柱的竖向位移。本申请提供的海上风电平台，通过在支撑柱底部设置的阻尼器可阻止抑制支撑柱的竖向位移，从而减小海浪造成风机摇晃的风险，相比于依靠压载水舱减小风机摇晃的方式，响应速度更快，提高了海上风电平台的稳定性。
Absstract of: CN120566314A
本发明提供一种风电机组电缆自动提升装置，包括：塔筒固定模块，用于将装置固定于风电机组塔筒；动态提升模块，用于实现电缆提升；环境感知模块，用于实时采集环境参数及电缆张力数据；自适应控制模块，用于通过环境参数与电缆形变的非线性映射生成补偿系数，实时计算最优提升路径；安全保护模块，用于紧急制动与异常状态反馈；本发明通过多模块协同工作与双模型闭环控制算法，实现风电机组电缆在复杂环境下的自适应动态提升、精准载荷控制及安全防护。
Absstract of: CN120557093A
一种风能驱动自集污无泵提水储能一体化装置，其特征在于它包括风力机、传动机构、抽水机构以及垃圾收集单元；所述风力机通过传动机构带动抽水机构运动，将垃圾收集单元内的水抽出。本发明在微风条件下有效采集和转换风能，提高风能提水的效率，在不消耗电能的情况下，实现水面垃圾的高效处理；本发明不仅提高了风能资源的利用效率，降低了成本，减少了环境污染，而且通过将风能转化为机械能再转化为水势能的方式，实现了能量的有效储存和利用；整个装置的设计不仅提高了垃圾收集和提水的效率，而且结构紧凑，操作简便，具有很好的实用性和环保性。
Absstract of: US2025270977A1
A vortex generator for a wind turbine rotor blade includes a base plate having a lower surface configured for being mounted to an outer surface of the wind turbine rotor blade, an upper surface opposite the lower surface, a front edge, a rear edge and a longitudinal axis, wherein the rear edge of the base plate includes a perpendicular section arranged perpendicular to the longitudinal axis, and at least one plate-shaped fin with a first longitudinal section arranged at the upper surface of the base plate, a second longitudinal section which extends beyond the rear edge and has a lower edge which is not connected to the base plate. The first longitudinal section includes a rear part arranged rearwards of the perpendicular section and the base plate includes a first stiffening section arranged rearwards of the perpendicular section and forming a transition to the rear part.
Absstract of: CN120557086A
本发明属于风力发电技术领域，且公开了基于大数据的风力发电机多驱变桨控制方法，通过通过构建覆盖环境、机组、电网及驱动器的多源数据采集网络，结合去噪、标准化等预处理手段与主成分分析等特征提取方法，为短时预测模型提供了高质量输入；该模型能精准预判未来10‑30分钟的风况与功率需求，配合全局优化算法动态调整变桨策略，使风力发电机在阵风、电网波动等复杂工况下仍能保持功率输出稳定，尤其在风资源不稳定区域表现突出。通过针对多驱变桨系统的机械耦合特性，本发明在全局优化中充分纳入齿轮传动间隙、轴系刚度等机械参数，通过多目标优化算法平衡功率输出、机械疲劳与负载分配。
Absstract of: CN120557109A
本发明公开了基于知识图谱的海上风电机组齿轮箱故障诊断方法，涉及智能故障诊断技术领域，基于知识图谱的海上风电机组齿轮箱故障诊断方法，包括以下步骤：在风电机组运行过程中，通过预设的采样周期采集齿轮箱的声波数据，建立稳定的信号获取框架，为后续的数据处理提供原始信号输入。本发明通过动态调整采样频率，实现了齿轮箱潜在故障的早期识别和精准诊断，有效提高风电机组的运行可靠性和维护效率。动态采样捕捉微小噪声变化，及时发现齿轮磨损，防止故障恶化；稳定时降低采样频率优化资源利用。结合机器学习和知识图谱，适应复杂运行条件，提升故障诊断精度，延长设备寿命，减少维修和停机成本。
Absstract of: CN120557112A
本发明属于风力发电设备除冰技术领域，公开了一种风力机叶片的除冰系统及风力机叶片的除冰方法。所述的除冰系统包括：检测模块和除冰模块，检测模块和除冰模块均设置在风力机的叶片上；检测模块包括用于检测风力机叶片上的冰层厚度的冰层厚度传感器和检测风力机叶片的振动加速度的加速度传感器；除冰模块通过振动，使冰层破碎脱落；当冰层厚度传感器检测到风力机叶片的冰层厚度达到预设厚度标准，且当加速度传感器检测到风力机叶片的振动加速度达到预设加速度标准时，除冰模块启动运行。本发明，相较于传统电加热、热气吹扫等主动除冰技术，该系统以更低的能量输出实现有效除冰，有效保障风力发电系统在低温高湿环境下的可靠性与经济性。
Absstract of: CN120557118A
本发明公开了一种基于时间扇区的风电机组变桨轴承润滑控制方法，将变桨轴承润滑频次、风机数量参数化，设计时间扇区管理算法适配各种组合情况；通过设计时间扇区，在单机层面实现互相约束，变桨轴承润滑时间扇区内考虑功率、桨叶角度历史状态，实现预防电网冲击、变桨轴承润滑、降低发电量损失三个目标。本发明设计的变桨轴承润滑控制时间扇区管理，能够实现风电机组之间的相互约束，改善了变桨轴承润滑带来的风电场输出功率跌落，改善了风电场输出的电能质量。
Absstract of: CN120557658A
本发明涉及一种多能源联合的乏风瓦斯利用方法，属于瓦斯处理技术领域。针对浓度低于0.3％的乏风瓦斯无法自持氧化及传统技术依赖外部燃料的问题，采用太阳能、风能、地热能协同供电系统，结合电加热功率动态调节公式维持蓄热氧化装置热平衡。通过烟气余热梯级利用和催化净化处理，实现0.1％浓度乏风瓦斯稳定销毁，系统能耗降低60％以上，CO排放低于3.2ppm，NOx排放低于15mg/Nm3。本发明突破低浓度瓦斯处理瓶颈，适用于海拔4500米以下矿区，能源自给率超95％，无二次污染。
Absstract of: FR3159639A1
L’invention concerne un procédé de simulation d’une ferme éolienne dans un espace prédéterminé, pour laquelle on effectue au moins les étapes successives suivantes : On forme (GR) différentes grilles dans l’espace prédéterminé.Pour chaque grille, on détermine la production d’énergie annuelle moyenne d’une mini-ferme (AEP-mf);On choisit (Ch) quelques grilles permettant de maximiser la production d’énergie,Pour chaque grille, on détermine une première disposition (Alg1) du nombre prédéfini d’éoliennes sur la grille,On modifie la position (Alg2) des éoliennes sur la grille,On forme des deuxièmes grilles (Gr2) avec des espacements modifiés et on réitère les étapes d) et e),On forme des troisièmes grilles (Gr3) avec des directions modifiées et on réitère les étapes d) et e),On détermine une disposition définitive (Disp_F) des éoliennes dans l’espace prédéterminé, pour la construction (Const) de la ferme éolienne selon cette disposition. Figure 1 à publier
Absstract of: KR20250128557A
본 발명은 1000kN급 풍력 텐셔너에 관한 것으로서, 풍력 발전기용 대상물에 결합된 볼트를 조이는데 사용되며, 케이싱, 로드 피스톤, 풀러, 그리고, 너트 소켓을 포함하며, 최대 하중은 1,000kN 이상이며, 볼트 사이즈는 M42×p4.5이다.
Absstract of: WO2025176459A1
A method of operating a wind turbine (1) that comprises a wind turbine rotor (10) is provided. The wind turbine (1) comprises at least a first sensing device (12) configured to obtain a rotational speed of the wind turbine rotor (10) and a second sensing device (13) configured to obtain a rotational speed of the wind turbine rotor (10). The wind turbine (1) is operable in a first operating mode in which a rotational speed of the wind turbine rotor (10) is within a first speed range and is operable in a second operating mode in which the rotational speed of the wind turbine rotor (10) is within a second speed range. The second sensing device (13) has a noise level in the second speed range that is lower than a noise level of the first sensing device (12) in the second speed range. The wind turbine (1) is configured to operate a safety function that uses the rotational speed of the wind turbine rotor (10) as an input. The method comprises operating the wind turbine (1) in the first operating mode and providing a speed signal of the first sensing device (12) as an input to the safety function and operating the wind turbine (1) in the second operating mode and providing a speed signal of the second sensing device (13) as an input to the safety function.
Absstract of: DK202470048A1
Denester wheel for denesting stacked items in a dispenser unit, the denester wheel comprising a number of interconnectable modular parts of which a main body comprising a cylindrical portion extending coaxially with a rotation axis between a top side a bottom side and a protruding portion protruding outwards from the cylindrical portion in a direction substantially perpendicular to the rotation axis and having a wedge shape and a first end with a thickness adapted to enter between two stacked items; and an item collector connectable to the main body such that in the assembled state of the denester wheel the item collector at least partially encircles the cylindrical portion of the main body, where the item collector comprises a collector surface facing the bottom surface of the protruding portion, and where the collector surface inclines from a substantially level bottom portion through an inclined portion to a top portion, where at the end of the top potion the item collector is adjacent to the second end of the protruding portion of the main body such that a continues guiding surface is created from the top surface of the protruding portion down to an end of the bottom portion of the collector surface.
Absstract of: WO2024044092A1
A dynamoelectric machine including an inner cylindrical stator, an outer cylindrical stator, and a cylindrical rotor positioned radially between the inner cylindrical stator and the outer cylindrical stator, the cylindrical rotor being rotatable with respect to the inner and outer cylindrical stators. The cylindrical rotor includes at least one rotating conductor which includes a mixture of an electrically conducting material and a ferromagnetic material. The inner and outer cylindrical stators include at least one of (i) gradient magnetic field strength areas that vary in flux density longitudinally down along an axial direction of the dynamoelectric machine, (ii) different radial diameters of overlapping rotor and stator portions provided at different axial positions of the dynamoelectric machine, and (iii) electromagnets which are structured to be selectively energized based on a changing variable.
Absstract of: US2025265385A1
A method of temperature estimation of an electrical generator including plural generator components is provided including a rotor, and a stator having teeth and windings, the method including: using a thermal model for the generator including plural elementary thermal modeling elements partially connected to each other in a network for modeling heat conduction, wherein at least one elementary thermal modeling element includes: a first and a second error compensation thermal resistance (R_m1, R_m2) connected in series between a star point and a heat providing and/or absorbing system; the method including: estimating plural values of temperature for the plural elementary modeling elements by feeding plural values of the operational parameters into the thermal model and modeling heat transfers between and within the plural generator components or portions according to connectivities and thermal resistances within the network and within the elementary thermal modeling elements.
Absstract of: JP2025125598A
【課題】風車翼の表面に生じた損傷部の補修作業を自動的に実施する。【解決手段】本願は、風車翼の表面にある損傷部を補修するための風車翼補修装置に関し、本体と、補修部とを備える。本体は、風車翼の表面に対して固定である。補修部は、損傷部に対して補修部材を取り付けることにより補修処理を実施する。【選択図】図３
Absstract of: WO2025178957A1
A fan blade tip for an agricultural fan blade includes a suction surface, a base portion, a transition portion, and a dihedral portion. The base portion includes a first chord length between a first leading edge and a first trailing edge. The transition portion includes a bend towards the suction surface. A hub end of the dihedral portion is connected to the transition portion and extends away from the base portion at a first angle. The dihedral portion has the first chord length between a third leading edge and a third trailing edge at the hub end of the dihedral portion and has a second chord length between the third leading edge and the third trailing edge at a tip end opposite the hub end. The second chord length is smaller than the first chord length.
Absstract of: WO2025179174A1
The wind turbine comprises a rotor which rotates with respect to a stator about a rotation axis. The rotor comprises at least one blade with a cavity, and a particulate filter fixed into the cavity.
Absstract of: WO2025178634A1
Tension-leg platforms for supporting wind turbines are augmented with surge plates. The surge plates increase the amount of water that is displaced when a tension-leg platform is accelerated horizontally, which reduces wave induced accelerations. The surge plates are mounted to the deepest parts of the submerged structure of each platform to minimize wave loading.
Absstract of: WO2025176918A1
The present invention relates to a method for assembling blades and counterweights on a direct drive wind turbine, characterised in that both the blades (3) and the counterweights, either passive (4) or active (5), are vertically lifted and lowered from the ground to the bushing (2) by means of cables (5) that are controlled by a lifting and lowering mechanism provided inside the bushing (2). The invention is also characterised in that the assembly method is combined with a wind turbine self-hoisting system. Firstly, prior to hoisting the assembly, a tower segment (1), a nacelle, a rotor (2) and the counterweights (4,9) are mounted and then new tower segments are introduced through the bottom portion, to finish mounting the blades (3) in three consecutive steps.
Absstract of: WO2025175870A1
An offshore wind generating set, comprising: a support foundation (10); a plurality of towers (20) arranged on the support foundation (10); a plurality of rotor mechanisms (30) having one-to-one correspondence to the plurality of towers (20), wherein the plurality of rotor mechanisms (30) are arranged in multiple rows, the rotor mechanisms (30) in every two adjacent rows are arranged in a staggered manner, each rotor mechanism (30) comprises a front rotor (31) and a rear rotor (32), and the diameter of the front rotor (31) is greater than that of the rear rotor (32); and a plurality of yawing mechanisms (40), wherein one yawing mechanism (40) is arranged between each tower (20) and the support foundation (10). The technical solution can improve the wind energy utilization efficiency of offshore wind generating sets. In addition, the present invention further relates to a control method for the offshore wind generating set.
Absstract of: US2025270979A1
The present disclosure is directed to method for providing wind data at a prediction location includes providing training data sets for a plurality of installation locations for wind turbines, wherein the training data sets are obtained from public databases, preparing the training data sets for machine learning by transforming the training data sets into features, training a prediction model for predicting at least one statistical wind condition at the location based on the features, obtaining a target location, in particular from a Customer Relationship Management (CRM) system, predicting the at least one statistical wind condition at the target location using the trained prediction model, and providing wind data including the predicted at least one statistical wind condition to the CRM system.
Absstract of: US2025270978A1
The wind turbine comprises a rotor which rotates with respect to a stator about a rotation axis. The rotor comprises at least one narrow blade and at least one wide blade fixed with respect to one another, and the lateral extension of the wide blade is at least 1.5 times that of the narrow blade.
Nº publicación: US2025270977A1 28/08/2025
Applicant:
NORDEX ENERGY SE & CO KG [DE]
Nordex Energy SE & Co. KG
Absstract of: US2025270977A1
A vortex generator for a wind turbine rotor blade includes a base plate having a lower surface configured for being mounted to an outer surface of the wind turbine rotor blade, an upper surface opposite the lower surface, a front edge, a rear edge and a longitudinal axis, wherein the rear edge of the base plate includes a perpendicular section arranged perpendicular to the longitudinal axis, and at least one plate-shaped fin with a first longitudinal section arranged at the upper surface of the base plate, a second longitudinal section which extends beyond the rear edge and has a lower edge which is not connected to the base plate. The first longitudinal section includes a rear part arranged rearwards of the perpendicular section and the base plate includes a first stiffening section arranged rearwards of the perpendicular section and forming a transition to the rear part.
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