Resumen de: CN120867948A
本发明公开了一种基于湍流强度的风力发电机组功率控制方法及系统,根据实时风速数据动态计算湍流强度,并将其划分为不同等级区间,进而为各区间设定合理的功率输出范围,在保证机组发电效率的同时,有效避免在高湍流风速区间内频繁进行变桨、变流等操作,从而降低关键部件的交变载荷,减缓疲劳损伤过程,提升机组的运行稳定性和结构寿命,为提高风电系统在复杂风况下的运行效率和设备可靠性提供技术支撑。
Resumen de: CN120867958A
本发明公开了知识图谱与时空图网络融合驱动的风电机组状态监测方法,包括以下步骤:S1.收集风电机组时序SCADA数据和风电文本数据;S2.将风电文本数据构建为风电运维知识图谱;S3.通过查询风电运维知识图谱,结合预处理后SCADA数据生成时序图数据;S4.利用时空图神经网络模型对时序图数据进行正常行为建模,正常行为建模过程中,通过对机组健康运行时间段的图数据中各节点进行预测,将各节点的预测值与实际值之差的最大绝对值,即最大绝对误差作为各节点的健康阈值进而进行状态监测;状态监测阶段通过比对实时数据于监测结果中各节点在图结构中的映射信息与故障传递链的匹配情况,判断机组健康状态并确定故障预警时间。本发明增强了监测结果的准确性与鲁棒性。
Resumen de: CN223498042U
本实用新型涉及一种混凝土管片吊装连接工装,安装在塔筒节段水平接缝面的筒片分片竖向接缝面处,包括:底板,所述底板上加工有定位螺栓孔,底板的端部与侧边固定板固定连接;所述的定位螺孔处安装垫板和定位螺孔与垫板内设置有固定螺栓。与现有技术相比,本实用新型具有价格低廉、结构简单可靠和安装便利、可重复利用的优势,能有效解决塔筒节段吊装施工过程中,筒片受力不均导致的竖向拼缝处应力集中,锚固螺栓受剪断裂和相邻筒片错台等问题,提高竖向拼缝连接强度,抑制相邻筒片间错台现象和减少吊装施工难度,降低风机塔筒生命周期维修维护成本,具有明显的技术经济优势。
Resumen de: CN223498043U
本实用新型公开一种混合动力抽油机用风机门式支架,涉及石油开采技术领域,包括横梁,横梁的两端分别固定装有门架支腿一和门架支腿二,门架支腿一和门架支腿二固定安装在抽油机顶端,所述横梁上固定装有槽钢支腿,槽钢支腿上装有风扇组件;通过这样的技术方案,门架支腿一和门架支腿二直接安装在抽油机上能够节省材料,风扇的高度能够被抽油机撑起一定的高度,并且节省了占地面积,不需要另外制作基础。
Resumen de: CN223498049U
本实用新型提供了一种增强型风电塔筒结构,涉及风电塔筒技术领域,包括外罩壳、中罩壳和内加固框,所述外罩壳是由多组外板块焊接组合所构成,且外板块的内侧面设置有第一保温层,所述外罩壳内套置有中罩壳,且中罩壳是由多组内板块焊接组合所构成,所述内板块的外侧面设置有第二保温层,所述中罩壳与外罩壳之间固定有多组支撑柱,且中罩壳的内侧固定有内加固框,且第一保温层内竖向贯穿有多组第一加强筋,并且第一加强筋的下部插入地面上所铺设的水泥板面内。本实用新型的风电塔筒采用双罩壳结构,不仅内外之间支撑安全稳固,而且保温隔热效果好,在中罩壳内侧加设内加固框,而且有助于加强抗风抗变形强度,更安全耐用。
Resumen de: CN223498051U
本实用新型公开了一种方便维护的风电齿圈,属于风电齿圈技术领域,其包括齿圈体,所述齿圈体的内壁开设有安装孔,所述齿圈体的内圈固定连接有啮合齿,所述齿圈体的底部设置有内圈清洁结构,所述齿圈体与内圈清洁结构相对的一侧设置有孔洞清洁结构,所述内圈清洁结构包括第一环形槽,所述第一环形槽开设在齿圈体的底部,所述第一环形槽的内壁滑动连接有第一滑动杆,所述孔洞清洁结构包括第二环形槽,该方便维护的风电齿圈,通过设置内圈清洁结构,在第一滑动杆配合第一圆卡框的作用下,使得辅助板等部件可以沿着第一环形槽滑动,进而可以在矩形刷板的作用下,对齿圈体的内部啮合齿进行辅助清洁,操作把手可以提供操作着力点。
Resumen de: CN223498054U
本实用新型公开了一种进气端使用的防雨罩,包括防雨罩壳体,所述防雨罩壳体的内腔从里到外依次装配有叶片后固定板、防雨罩叶片、叶片中固定板、防雨罩叶片、叶片前固定板和防雨罩百叶窗,所述防雨罩百叶窗外部设置有固定框,所述固定框固定安装在防雨罩壳体的开口处。本实用新型中,通过在防雨罩壳体的进风口位置设置防雨罩百叶窗,利用固定框将其固定在防雨罩壳体的前端,即可在雨天时空气中的与雨水进行过滤,使得雨水会通过防雨罩百叶窗上的导流槽向着两侧排出到外界,无雨空气进入到防雨罩叶片的区域,经过防雨罩叶片的精细化过滤即可将剩下的雨水过滤赶紧,通过防雨罩壳体底部的漏水口排出,有效的完成除雨作业。
Resumen de: CN120867969A
本申请涉及风力发电技术领域,公开一种风力发电机及其控制方法、电子设备和存储介质,通过风力发电机机舱的底部安装的朝向下方拍摄的至少一个监控装置,可以监控风力发电机的周围环境。将监控装置安装于风力发电机机舱的底部,提高了监控装置的高度,从而可以提升监控装置的监控范围。监控装置的拍摄角度可以根据机舱的偏航角度和机舱底部的高度进行调节,使监控装置调节后的监控范围,满足预设监控范围的需求,从而实现对风力发电机周围环境的有效监控。
Resumen de: CN120867945A
本发明涉及一种水平轴风机叶片,包括:叶片主体,以及连接在所述叶片主体末端的小翼,小翼自所述叶片主体的迎风面向后延伸形成后掠翼结构或向前延伸形成前掠翼结构,小翼的外表面设置有整体走向沿所述小翼的展长方向或弦长方向延伸的条状的突起部。当叶片主体旋转时,来流风在突起部的后方产生了突起后涡,且部分来流出现了回流涡,这两个涡会产生一个垂直于小翼向上的诱导速度,该诱导速度会使得后续的来流轨迹进一步朝着离心的方向扩散,使得风机后面的流管面积变大。以整体走向沿所述小翼的弦长方向条状的突起部为例,吹向风机的来流风经过突起部时产生一个离心方向的诱导速度,使得风机后方流管面积扩大,从而提高风机的风能利用系数。
Resumen de: WO2024160331A1
A method for identifying and recovering target commodities from a composite wind turbine blade, in which a computing device receives quality grade data indicating quality grades of respective materials included within a turbine blade, and commodity data for a plurality of candidate commodities that are capable of being recovered from the one or more materials of the turbine blade. The computing device determines expected profitability for each of said plurality of respective candidate commodities, wherein the quality grade data for the respective materials and the commodity data for the plurality of candidate commodities are provided as inputs to a data model to cause the data model to determine the expected profitability for each of said plurality of respective candidate commodities. The computing device determines, based on the expected profitability, a recommendation indicating, for respective materials of the turbine blade, one or more target commodities to recover using the respective materials. The device delivers the recommendation to another device or recipient, so that recovery of the target commodities can occur.
Resumen de: WO2024208442A1
The invention describes a method of controlling a wind turbine (1) with a rotor comprising a plurality of rotor blades (10), each equipped with an active flap arrangement (2) at its trailing edge (10TE), which method comprises the steps of determining a set (S10) of rotor blade flutter conditions, wherein each rotor blade flutter condition comprises a combination of rotor blade parameters (ω, θ) at which rotor blade flutter would develop; and, during operation of the wind turbine (1), monitoring the rotor blade parameters (ω, θ) and, when the parameters (ω, θ) of a rotor blade (10) approach a rotor blade flutter condition, controlling the active flap arrangement (2) of that rotor blade (10) to increase aerodynamic damping of the rotor blade (10). The invention further describes a wind turbine (1) comprising a means (12, 14) of controlling the active flap arrangements (2) using the inventive method.
Resumen de: CN120867264A
本发明公开了一种新型的抽水蓄能电站发电组合系统,包括抽水蓄水系统和发电系统,抽水蓄水系统包括放水管道、蓄水池、抽水管道、三级蓄水池、二级蓄水池、一级蓄水池,放水管道一端连接于开设于山顶的蓄水池,另一端连接于发电厂,放水管道与抽水管道设有多个,多级蓄水池设于相邻山顶处,发电系统包括发电机组、叶轮、连接轴、变速器,发电机组内设有连接管,连接管一端端部连接于海水。本发明一种新型的抽水蓄能电站发电组合系统,利用溪谷处海水盐分低这一条件,选择河谷岙地抽水,少许过滤就有取之不尽大量水源,解决了传统的抽水蓄能电站由于居民用水或干旱枯水季节缺少而无水可抽的问题,为抽水蓄能提供保障,且不用建造要求极高的蓄水库。
Resumen de: WO2024208522A1
Method for installing a wind turbine tower The invention relates to a method for installing a wind turbine tower (10), wherein the tower (10) comprises a tower fastening portion (11) and a tower through hole (12) in the tower fastening portion (11), comprising: providing a vessel (20) with a vessel fastening portion (21) and a vessel through hole (22) in the vessel fastening portion (21), landing the tower (10) onto the vessel (20) with the tower through hole (12) at the vessel through hole (22), positioning a stud (30) in the tower through hole (12) and the vessel through hole (22), wherein the stud (30) comprises an upper portion (31) protruding from the tower through hole (12) in an upward direction and a lower portion (32) protruding from the vessel through hole (22) in a downward direction, fastening the tower fastening portion (11) to the vessel fastening portion (21) by means of a lower fastening element (50) attached to the lower portion (32) and an upper fastening element (60) attached to the upper portion (31), wherein the lower fastening element (50) and the upper fastening element (60) are both detachable from the stud (30) in a non-destructive way.
Resumen de: WO2024193781A1
According to the present invention there is provided a pitch-controlled wind turbine comprising a tower, a nacelle mounted on the tower, and a rotor rotatably mounted to the nacelle. The rotor defines a rotor axis and a rotor plane perpendicular to the rotor axis. The rotor comprises a hub and a plurality of wind turbine blades, each blade extending in a spanwise direction between a blade root defined by an inboard portion of the blade and a blade tip defined by an outboard portion of the blade. Each blade is rotatably connected to the hub via a respective pitch mechanism such that each blade is rotatable about a pitch axis. Further, each blade comprises a windward side and a leeward side which meet at a leading edge and a trailing edge to define an airfoil profile. The airfoil profile has a chord and a flapwise thickness, the chord being the distance between the leading and trailing edges and the flapwise thickness being the distance between the windward and leeward sides in a flapwise direction orthogonal to the chord. The pitch-controlled wind turbine is configured to reduce loading of the inboard portion of each wind turbine blade in use. Accordingly, each blade further comprises a connection location located between the blade root and the blade tip at a radial distance r from the rotor axis. The connection location defines an inboard end of the outboard portion and an outboard end of the inboard portion. The turbine further comprises a plurality of blade connecting membe
Resumen de: WO2024199661A1
An inspection system (200) for inspecting a pultrusion plank (300) for a wind turbine (10) is described. The inspection system includes an array device (210) of at least two microwave probes (211; 212) including a first microwave probe (211) and a second microwave probe (212) being offset from each other. The first microwave probe (211) and the second microwave probe (212) define a first and a second probing area (301, 302), forming an overlap area (303) between the first probing area (301) and the second probing area (302). The first microwave probe and the second microwave probe are adapted to provide different frequencies and/or modes of microwaves for inspecting the plank. The inspection system further includes a control unit (400) adapted to vary the frequencies and/or modes of the microwaves from first microwave probe and the second microwave probe during inspection of the plank.
Resumen de: CN120042746A
The vehicle-mounted wind power generation device specifically comprises a power generation box, a rotating device is arranged in the power generation box, and the two ends of the inner wall of the power generation box are fixedly connected with power generation devices; the air inlet device is arranged at the bottom of the power generation box, and one end of the air inlet device is communicated with the interior of the power generation box; the air outlet is formed in the top of the power generation box, and one end of the air outlet is communicated with the interior of the power generation box; the rotating device comprises a rotating shaft, the outer side of the rotating shaft is sleeved with and fixedly connected with a storage sleeve, and a storage cavity is formed in the storage sleeve; and one end of the arc-shaped wind plate penetrates through the storage sleeve and extends into the storage cavity. The vehicle-mounted wind power generation device can automatically adapt to vehicle speed changes, is high in power generation efficiency, can dry air entering from the outside and adsorb small water drops contained in the air, and is good in waterproof effect.
Resumen de: AU2024278338A1
A portable bladeless fan is provided and includes: a housing, a mix-flow fan, and a pressurizing member. The housing has an air inlet portion at a rear side of the housing and an air outlet portion at a front side of the housing. The mix-flow fan is configured to generate an airflow. The pressurizing member is connected to a front portion of the housing and disposed at a front of the mix-flow fan. The pressurizing member includes a pressurizing seat and second blades. The pressurizing seat includes a pressurizing surface that is at least partially increased in a radial direction from the rear side to the front side, the second blades are spaced apart from each other and are arranged on the pressurizing surface. The second blades re-arrange a direction of the airflow and to reduce a noise of the airflow.
Resumen de: WO2024167493A1
A method for controlling an inverter-based resource (IBR) connected to an electrical grid includes operating the IBR in a normal mode of operation. The method also includes receiving one or more electrical feedbacks and control signals. Further, the method includes determining whether the signals are indicative of an islanding condition occurring in the IBR. Moreover, upon the signals being indicative of the islanding condition, the method includes switching to an island mode of operation for the IBR. The island mode of operation includes continuously monitoring the signals, continuing operation of the IBR in the island mode of operation for as long as the signals indicate the islanding condition and an amount of loading is below at least one of available power or energy at the IBR. Further, the method includes reverting to the normal mode of operation when the signals indicate that the electrical grid is restored.
Resumen de: WO2024149497A1
It is described a method of controlling a fractional slot electrical machine (865), in particular of a wind turbine, comprising a stator and a rotor rotatable relative to the stator for handling at least one fractional harmonic oscilla- tion, the method comprising: determining a fractional harmon- ic electrical angle position (θ_h) of the rotor corresponding to the fractional harmonic; controlling the machine (865) based on the fractional harmonic angle position (θ_h).
Resumen de: CN223498056U
本实用新型涉及风电机组技术领域,具体为一种风电机组传动链复位装置,包括:风轮锁紧盘,所述风轮锁紧盘上设置有主轴,主轴上设置有测速盘和背板,背板朝向测速盘一侧表面上设置有后压板,后压板上旋紧有螺栓,抵紧盘的表面固定有侧耳,侧耳上设置有限位组件,侧耳的表面开设有导孔,导孔内设有导杆;有益效果为:通过本实用新型提出的复位装置,可以避免操作人员手动按压并持续保持测速盘稳定,减轻了操作人员的工作强度。
Resumen de: CN223498053U
本申请涉及风电机组监测领域,具体公开了一种风力发电机组轮毂连接螺栓断裂的监测装置,风力发电机组包括机舱和主轴,主轴通过连接法兰和多个连接螺栓连接有轮毂;机舱中设置有发电机和齿轮箱,齿轮箱的输入端连接于主轴,齿轮箱的输出端连接有高速轴,高速轴连接于发电机的输入端;高速轴同轴连接有刹车盘,刹车盘的周侧均匀设置有多个齿部。监测装置包括第一检测件和第二检测件,第一检测件朝向连接螺栓的运动轨迹,用于检测连接法兰转动时在单位时间内经过第一检测件的连接螺栓数量;第二检测件朝向齿部的运动轨迹,用于检测刹车盘转动时在单位时间内经过第二检测件的齿部数量。本申请能够实现轮毂和主轴之间连接螺栓断裂的在线监测。
Resumen de: CN223498045U
本实用新型公开了一种用于筒体的可调圆度支撑装置,包括第一支撑段、设置于第一支撑段一端的第二支撑段、设置于第一支撑段另一端的第二支撑段,第一支撑段包括第一管件、连接于第一管件一端的插头、连接于第一管件另一端承接头,承接头底部设置有匹配于插头的插槽,第二支撑段包括调节螺母、分别设置于调节螺母两端的第二管件与第三管件,第二管件自由端设置有插头,第三支撑段包括第四管件、设置于第四管件一端的承接头;本装置采用模块化结构,可任意组装所需长度,适用性强,筒体支撑可以调整筒体圆度,并且各个支撑段之间通过紧固件进行一次固定,之后将承接头、垫片、紧固件之间通过点焊进行二次固定,使各个支撑段之间连接更加稳定。
Resumen de: CN223497213U
本实用新型公开了一种一体装配式浇筑的梁板式风机基础结构,涉及风力发电技术领域,包括中环架以及若干个拼接架,拼接架设置在中环架底部,外板架均设置在中环架底部,拼接浇注组件设置在外板架与拼接架内部,提升组件设置在中环架外部,对接槽分别开设在中环架底部以及外板架上端,外板架表面开设有凹槽,凹槽内安装有若干个螺栓,螺栓旋拧连接在外板架内。通过上述技术方案,解决了相关技术中的浇筑存在混凝土浇注时分布不均,进而导致需要对浇筑过后的混凝土通过振捣等方式整理,造成风机基础浇筑时间增长,而且拆卸方式较为复杂,无法快速拆卸问题。
Resumen de: CN223498047U
本实用新型涉及一种塔转接段、塔架以及风力发电机组,塔转接段包括:基础部,包括壳体以及多个连接柱,壳体呈闭合环状,壳体在自身轴向的一侧具有对接端,多个连接柱在壳体的周向上间隔设置,每个连接柱设置于壳体在轴向背离对接端的一侧并与壳体为一体式结构体;第一法兰,设置于对接端;第二法兰,每个连接柱在轴向上背离对接端的一侧分别连接有第二法兰。本实用新型实施例提供的塔转接段、塔架以及风力发电机组,塔转接段能够满足塔架的使用需求,且承载能力高,安全性能好,失效风险低。
Nº publicación: CN120867328A 31/10/2025
Solicitante:
中车山东风电有限公司
Resumen de: CN120867328A
本发明涉及风力发电机组钢‑混凝土塔架结构技术领域,公开了一种钢‑混凝土塔架与基础的均压连接结构,包括塔架混凝土空心基础和塔架混凝土节段,所述塔架混凝土节段顶部设有安装槽口,安装槽口处设有环形垫梁,环形垫梁为塔架混凝土空心基础和塔架混凝土节段连接的过渡体,以分散塔架混凝土节段传递下来的集中应力;本发明通过在塔架混凝土空心基础和塔架混凝土节段之间设置环形垫梁,形成了有效的应力扩散载体,实现塔架与基础交界处应力的有效分散,从而降低基础设计的复杂性和对混凝土强度等级的要求;该结构不仅有助于降低基础混凝土的强度等级,达到降本增效的目的,同时显著减少基础上部台柱的破坏风险,提升整体结构的安全性与耐久性。