Resumen de: US2025354535A1
A first aspect of the invention provides a pitch controlled wind turbine comprising a tower, a nacelle mounted on the tower, a hub mounted rotatably on the nacelle, and at least three wind turbine blades, wherein each wind turbine blade extends between a root end connected to the hub via a pitch mechanism, and a tip end, the wind turbine further comprising at least three blade connecting members, each blade comprising a first connection point and a second connection point, wherein each blade connecting member extends from a first connection point on one wind turbine blade towards a second connection point on a neighbouring wind turbine blade, where each connection point on a given wind turbine blade is arranged at a distance from the root end and at a distance from the tip end of the wind turbine blade and adjacent a leading edge of the wind turbine blade, and wherein each connecting member is independently moveable in two orthogonal directions at the respective first and second connection points to which it attaches.
Resumen de: WO2025202681A1
A method for setting an anchor pile includes moving a mobile offshore drilling unit (MODU) such that at least one hoist unit in the MODU is disposed over a water bottom location for setting the anchor pile. A hole is drilled through the water bottom for receiving the anchor pile. A drill string and bottom hole assembly (BHA) used to drill the hole are removed. The anchor pile is extended into the hole; Cement is pumped through a cementing string extended from the MODU and through the anchor pile. The cementing string is disconnected from the anchor pile. After the cement is cured, tension is applied from a line or string extended from the MODU to test mooring strength of the anchor pile.
Resumen de: WO2024191286A1
A HAT wind turbine (111) for the production of electricity from wind, comprising a tower (5), a nacelle (6), a generator and a rotor (112), the rotor being rotatable about a rotor axis by the wind, the rotor having a rotor solidity SOLrotor of maximally 0.10, and the rotor having a radius R and a diameter D, wherein the rotor comprises a number of blades (113) N of at least 4, wherein the diameter D equals 100m or more, and wherein a maximum chord of a blade is less than one of: 12%R; 11%R; 10%R; 9%R; and 8%R.
Resumen de: GB2641108A
A magnetic rotating mechanism comprising layers, each layer having: one or more rotating arm magnet segments 4 secured to a rotating axle 2 by a connection board 1; a top board (17, Fig. 1) above and a bottom board 15 below the arm; and one or more stationary magnet securing bases 14 mounted on the bottom board. The permanent magnet poles 6, 7 on the rotating arm are aligned radially, while the magnets 10 on the bases are axial. The arm segments and/or securing bases may be arcuate and may carry multiple magnets. The rotating magnets may be axially misaligned (Fig. 1) and radially spaced apart from the stationary magnets. The securing bases may cover less than 180° and be spaced apart from one another. The magnets on an arm segment may cover a larger angle than the gap between magnets on adjacent securing bases. Where one layer has multiple arm segments, the segments may be spaced apart from one another and have opposing magnetic poles. Across multiple layers (Fig. 1) the rotating arms may be aligned, while the bases may not overlap between layers (c.f. Figs. 4 and 6).
Resumen de: EP4650594A1
Provided are a variable-pitch control method and device for a wind turbine generator set. The variable-pitch control method comprises: identifying a current wind condition on the basis of operation data and wind parameters of a wind turbine generator set; in response to the current wind condition being a preset wind condition, acquiring an actual pitch angle and a target minimum pitch angle of the wind turbine generator set; setting a minimum pitch angle of the wind turbine generator set on the basis of the actual pitch angle and the target minimum pitch angle; and controlling the operation of the wind turbine generator set on the basis of the minimum pitch angle.
Resumen de: AU2024204232A1
A vehicle including a vehicle body having a front portion defining a first forward projection area, and a wind turbine system. The wind turbine system includes an airflow capture inlet, a flow consolidating conduit, an air driven rotor assembly, and an electric generator. 5 The airflow capture inlet has an inlet upstream end, an inlet downstream end, an air entry window, and a flow directing floor. The air entry window and the flow directing floor each extends from the inlet upstream end to the inlet downstream end. The air entry window defines a second forward projection area that is at least 10% of the first forward projection area. The flow directing floor is sloped upwardly. The flow consolidating conduit is close 10 sided. The air driven rotor assembly is downstream of a consolidating conduit downstream end. The air driven rotor assembly includes an air driven rotor connected to the electric generator. A vehicle including a vehicle body having a front portion defining a first forward projection area, and a wind turbine system. The wind turbine system includes an airflow capture inlet, a flow consolidating conduit, an air driven rotor assembly, and an electric generator. The airflow capture inlet has an inlet upstream end, an inlet downstream end, an air entry window, and a flow directing floor. The air entry window and the flow directing floor each extends from the inlet upstream end to the inlet downstream end. The air entry window defines a second forward projection ar
Resumen de: EP4651326A2
Disclosed is a guiding device for guiding an elongated element such as a cable or a pipe from the exterior into a hollow interior of a support element, the support element being a support element for supporting an offshore structure and being at least partly submerged in water, wherein the guiding device comprises; a tube having a first opening at a first end for facing the exterior and a second opening at a second end opposite to the first end for facing the hollow interior of the support element. The guiding device is configured to allow water to flow into the first opening and out of the second opening of the tube, and substantially prevent water from flowing into the second opening and out of the first opening whereby the guiding device allows water to enter the hollow interior of the support element but not exit the hollow interior.
Resumen de: EP4650897A1
A computer-implemented method of generating a model for predicting a downtime event of a wind turbine from operational data of the wind turbine is provided. A base model (70) is trained with first data sets of selected plural first wind turbines (101) using machine learning. Operational data of the respective data set serves as an input to the base model and a downtime event associated with the data set serves as a label for the training. Plural second wind turbines (102) are selected according to a predefined selection criterion that defines a minimum degree of similarity between the selected plural second wind turbines (102). Transfer learning (90) is applied to the base model (70) using second data sets of the selected second wind turbines (102) to obtain a sub-model for the selected second wind turbines (102).
Resumen de: EP4650598A1
The invention describes a method of performing oscillation monitoring in a drivetrain (10), which method comprises the steps of obtaining sensor outputs (D) from a plurality of sensors (S) arranged to measure the rotational speed of each of a number of drivetrain components (11, 12, 13, 14); screening the sensor outputs (D) to detect an erroneous sensor output (D); and, under exclusion of any erroneous sensor outputs (D), processing one or more of the remaining sensor outputs (D) to identify oscillation in a drivetrain component (11, 12, 13, 14). The invention further describes a ... drivetrain oscillation monitor (2) comprising a screening stage (20, 21) adapted to detect and exclude erroneous sensor output (D) ; and a wind turbine (1) comprising a plurality of sensors (S) arranged to measure the rotational speed of a drivetrain component (11, 12, 13, 14) and an instance of such a drivetrain oscillation monitor (2).
Resumen de: EP4650596A1
A lower tower section (8) for a tower (7) of a wind turbine (1), comprising:connection means (18) at an upper end (18a) thereof for mechanical connection with an upper tower section (9),at least one high-voltage cable (14) extending between a lower and an upper portion (20, 21) of the lower tower section (8) with respect to a vertical direction (V) in the erected state of the tower (7),a platform (16) in the upper portion (21), anda junction box (22) arranged on the platform (16), having at least one output terminal (23) electrically connected with an upper cable end (26) of the at least one high-voltage cable (14) and at least one input terminal (24) configured for electrical connection with at least one further high-voltage cable (15) of the upper tower section (9).Thus, the manufacture and transportation of large wind turbine towers is improved.
Resumen de: EP4650599A1
The disclosure relates to a wind turbine (100) comprising a rotor blade (1), an electrical system (4) embedded in the rotor blade and at least one switchable connection (5) between the electrical system and ground. The at least one switchable connection is controllably switchable between an open state and a closed state so that, when the at least one switchable connection is in the closed state, the electrical system is grounded, and, when the at least one switchable connection is in the open state, the electrical system is not grounded.
Resumen de: EP4650597A2
A subsea foundation comprises a caisson that is at least predominantly of steel and is preferably made mainly of flat steel plates, using conventional shipyard fabrication techniques. The caisson is lightweight, hence being transportable aboard an installation vessel rather than requiring towing, and can be lifted onto and off the vessel by a marine crane.The caisson has a base and a peripheral wall upstanding from the base to define at least one open-topped compartment in which ballast can be deposited onto the base after the caisson is lowered to the seabed.A column like a monopile for a wind turbine is co-operable with or fixed to the caisson. The column may be lowered with the caisson or lowered after the caisson and united with the caisson on the seabed. For the latter purpose, the caisson may comprise a tubular socket that receives the column telescopically.
Resumen de: EP4650595A1
A method for operating a wind turbine (100) having a rotor (10) with at least one rotor blade (1, 2, 3) and a wind turbine (100) are disclosed. The method comprising:- determining a tilting value representative for a tilt bending moment acting on the rotor (10),- providing a function (150) with the tilt bending moment as functional argument,- determining a thrust limit value for the rotor (10) for the determined tilting value based on the function (150), wherein the thrust limit value is representative for a maximum allowable thrust force acting on the rotor (10),- operating the wind turbine (100) dependent on the determined thrust limit value.
Resumen de: CN120969096A
本申请涉及海上风力发电技术领域,尤其涉及一种螺旋刃破冰结构装置。螺旋刃破冰结构装置包括安装结构,其与海上风机基础固定连接;和沿海上风机基础的轴向螺旋分布设置于安装结构外壁上的螺旋形破冰刃,且螺旋形破冰刃的刃峰朝外设置,且螺旋形破冰刃具有螺距,螺距形成内凹的间隔空间。从而解决了现有的海上风机基础的抗冰结构的抗冰效果不佳、消浪效果差、结构复杂不灵便和容易碎冰堆积的技术问题。
Resumen de: CN120969071A
本发明涉及风力发电运维监测技术领域,公开了一种基于物联网的风力发电远程运维监测系统,包括:采集模块,用于建立若干监测区域并设定每个监测区域的监测参数,按照监测参数采集每个监测区域的实时监测数据,并计算实时运行评价值;判断模块,用于根据实时运行评价值判断对应监测区域是否需要运维,若需要,生成若干第一运维策略;运维模块,用于对每个第一运维策略进行耦合分析,根据耦合分析结果确定第二运维策略,按照第二运维策略下发运维指令,提高风力发电的监测精度以及运维效率。
Resumen de: CN120969038A
本发明涉及风力发电技术领域,尤其涉及一种高空风力发电系统的控制方法和装置。本发明通过获取预设时长的历史风况数据;其中,历史风况数据包括历史风速数据和历史风向数据;将历史风况数据输入至预设的联合模型中,得到当前风况数据;其中,当前风况数据包括当前风速数据和当前风向数据;将当前风况数据输入至预设的缆绳速度预测模型,得到高空风力发电系统的第一缆绳速度;基于第一缆绳速度,对高空风力发电系统的缆绳进行控制,如此,本发明能够提高高空风力发电系统的发电效率。
Resumen de: CN120969086A
本发明公开了一种风力发电机组的主轴承运行状态评估方法及系统,其包括:先获取主轴承运行数据,接着判断是否出现超温异常、振动加剧或油脂异常,若无则判定主轴承正常运行;若有,结合历史清洗数据,判断是否因超温异常已清洗主轴承。若已清洗,再判断是否仍存在超温异常、振动异常或油脂劣化;若未因超温异常清洗,或清洗后无上述情况,则请求主轴承维护。之后依据维护后的运行参数,判断是否超温,若超温或清洗后仍有异常,均判定主轴承失效;维护后无超温则判定正常。采用本发明能提高主轴承运行状态判断的准确性。
Resumen de: CN120969094A
本发明属于航空应急能源领域,涉及一种RAT涡轮除冰装置,主要由冰刮、组合密封、冰刮杆、紧固销、止动杆、调整垫、垫圈、螺母、轴承等组成。其中冰刮位于涡轮盖前端,并与涡轮盖保持微小间隙。冰刮与冰刮杆固接为一体,通过紧固销与止动杆连接,冰刮杆前端设置有一个组合密封,组合密封安装在涡轮盖上。止动杆内置于涡轮中,由两个轴承支撑,前端轴承安装在轴套内,后端轴承安装在涡轮轴内,止动杆的尾端通过调整垫、垫圈和螺母固定在齿轮箱后盖上,从而保证RAT涡轮旋转工作时,冰刮不转动。当RAT涡轮暴露在结冰环境中工作时,涡轮盖前端的积冰将直接被冰刮清除,从而起到涡轮除冰作用。
Resumen de: CN120969056A
本发明涉及一种风能直驱冷链运输智能调控系统及方法,属于冷链物流技术领域。该系统通过风力机直接驱动压缩机,省去发电机组,实现风能至制冷机械能的高效转换,能量转换效率提升20%。系统包括风能直驱模块、制冷‑储冷模块和智能调控模块三大核心部分,采用R290环保制冷剂和相变储冷材料,结合基于单片机的智能温控技术,实现动态制冷与储冷协同调控。该系统COP达3.71,较传统系统能耗降低40%,年减碳76.9吨/车,适用于缺电地区和宽温区(‑25℃~5℃)冷链运输,具备高能效、高可靠性和强环境适应性等特点。
Resumen de: CN120969058A
本发明提供了一种浮式风机平台与风机塔筒的辅助加固装置,包括:环形抱箍,所述环形抱箍内侧嵌有顶持弧板,顶持弧板与驱动装置连接,所述驱动装置安装在所述环形抱箍外侧,所述环形抱箍套在风机塔筒上,所述风机塔筒底部放置在平台中心立柱上,所述环形抱箍与中心立柱顶环通过若干个第一伸缩装置、第二伸缩装置连接,所述中心立柱顶环套在平台中心立柱上。本发明顶持弧板所提供的夹持摩擦力为塔筒就位后起到辅助加固作用,而且在塔筒垂向活动中起到控制塔筒下降速度,防止意外过快下降,提高塔筒运动过程中的稳定性。在风机就位后实现平台与塔筒之间的快速、稳定连接,通过机械锁定和摩擦力调整机制,能够确保风机在复杂海况下的稳定性和安全性。
Resumen de: CN120969074A
本发明公开了风电场集控中心通道全方位监控装置,具体涉及风电场监控技术领域,包括监控摄像头、定位环、滑框以及间隔标识监控组件;其中间隔标识监控组件包括螺杆、套接块、调节马达、铰接轴、两个铰接套杆、滑槽轴以及指示激光器。本发明采用间隔标识监控组件,具有两个指示激光器激光指示故障区域后,则通过监控摄像头拍照,能够及时知晓风电场集控中心通道的故障位置,风电场集控中心通道全方位监控维修处理更加及时的优点,从而解决了导致维修人员到达现场还需要查找到维修位置,从而难以快速根据维修位置再进行维修,风电场集控中心通道全方位监控维修处理难以及时的问题。
Resumen de: CN120969072A
本发明涉及设备故障诊断技术领域,特别是一种风电机组变桨抱闸故障诊断方法、系统、设备及存储介质。实时采集风电机组变桨系统的状态机指令、电机三相电流、主轴转速和抱闸开关信号,当状态机指令切换至停机状态时,同步监测电机三相电流归零状态和主轴转速波动状态;基于电机电流归零且主轴转速持续波动的时序关联特征,构建抱闸制动力不足判定条件;结合抱闸开关信号的抱死状态确认,分析桨叶角度位移变化,得到抱闸机械失效特征参数;基于多源信号时序协同分析,建立状态机指令与物理信号的耦合判定逻辑,根据耦合判定逻辑输出抱闸故障诊断结果和故障类型分级。实现抱闸机械失效的精准识别和早期预警,解决故障复现依赖性和误判率高的问题。
Resumen de: CN120969023A
本发明公开了一种基于多浮子共气压舱室的波浪能发电装置,包括多个浮子组件、周期循环系统,所述周期循环系统包括外部筒体、安装于外部筒体内的多个内部气压筒体、共气压舱室、发电风机,外部筒体内设有安装板,内部气压筒体安装于安装板上,内部气压筒体与浮子组件数量相等;所述安装板使外部筒体下部形成密闭腔体;浮子组件围绕于外部筒体外侧,各浮子组件相互独立,浮子组件一端连接有活塞,活塞伸入内部气压筒体,浮子组件带动活塞运动以改变内部气压筒体内部气压。活塞向上或向下运动时,气流均可带动发电风机发电。本发明通过浮子组件与周期循环系统的配合,实现对一个完整波浪周期的利用,提高了波浪能的转化利用效率。
Resumen de: CN120969028A
本申请公开了一种风电叶片及芯材结构,风电叶片包括蒙皮层,包括上蒙皮层和下蒙皮层;芯材层,设于上蒙皮层和下蒙皮层之间,芯材层包括厚度不同的多个主体区和至少一个厚度渐变的过渡区,相邻主体区之间通过过渡区过渡连接,在芯材层垂直于其厚度方向上的两侧面分别具有朝向对侧面开设的多个第一沟槽和多个第二沟槽,至少部分第一沟槽的延伸方向与至少部分第二沟槽的延伸方向相交设置;加强层,设于芯材层的至少一侧,加强层覆盖于各芯材结构的过渡区设置。本申请的一种风电叶片及芯材结构,能够兼顾芯材的固定稳定性以及风电叶片的整体成本。
Nº publicación: CN120969093A 18/11/2025
Solicitante:
东北农业大学
Resumen de: CN120969093A
本发明涉及叶片结冰实验技术领域,具体涉及一种全尺寸风力机叶片表面结冰实验方法及系统。系统包括风力机实验装置以及开口射流冰风洞;方法包括:步骤一:根据真实叶片展长和弦长设计实验用叶片,对实验用叶片进行分段标记获得多个叶片片段,分别对多个叶片片段进行测量,测得多个叶片片段中每个叶片片段对应的旋转半径;步骤二:根据旋转半径,计算每个叶片片段对应的叶尖切入风速;步骤三:根据叶尖切入风速,计算每个叶片片段对应的实验叶轮控制转速;步骤四:调节变频器输出频率到实验叶轮控制转速,以针对每个叶片片段,进行叶片片段结冰实验,获得真实叶片实验数据。本发明保证叶片结冰与真实叶片的一致性,减少叶片的结冰实验误差。