Resumen de: CN121251521A
本发明公开基于风电场尾流效应解析的风电场总输出功率评估方法,属于计算、推算或计数的技术领域。该方法包括:收集并统计分析风电场区域的长期风速数据,利用威布尔分布构建风速概率密度函数;分析风速所对应的风向数据,利用混合Von Mises分布构建风向概率密度函数;利用Gaussian Copula建立关于风速和风向的联合概率密度函数;提出改进的考虑风切变与风湍流的Jensen尾流模型,在环境风湍流强度的前提下引入风机产生的额外湍流强度,建立尾流扩散半径与综合风湍流强度之间的关系,提升尾流建模精度;综合风速和风向的联合概率密度函数、改进后的尾流模型及风机出力模型,计算风电场的总输出功率。该方法能够为风电场尾流效应的高精度解析提供创新策略与理论支持。
Resumen de: CN121250829A
本发明公开了一种从内陆咸水湖获取淡水和结晶盐的装置和方法,装置包括:至少一个分隔装置,用于将内陆咸水湖分隔为依次连通且盐度梯度递增分布的至少两个子湖,其中,位于盐度梯度始端的子湖有内流河水流入,位于盐度梯度末端的子湖只有水流进没有水流出;单向流道,单向流道的进水口设置在分隔装置的下部且接触盐度较低的子湖一侧,单向流道的出水口设置在分隔装置的上部且接触盐度较高的子湖一侧,盐度较低的子湖底层湖水经过单向流道流入盐度较高的子湖表层,位于盐度梯度始端的子湖逐渐转化为淡水湖,位于盐度梯度末端的子湖被蒸发生成结晶盐后逐渐转化为盐湖。本发明提供的装置及方法,可以在低能耗情况下将内陆咸水湖改造为淡水湖。
Resumen de: CN121251531A
本公开涉及风机维护技术领域,特别涉及一种风机叶片的损伤预警方法及系统。采集叶片运行时的实时声学信号和实时叶片应变值;建立叶片应变值与疲劳状态之间关联,通过实时叶片应变值得到最终疲劳损伤评估值;对实时声学信号提取高频系数峰值和低频系数能量变化率,并建立半监督SVM模型,以高频系数峰值和低频系数能量变化率为输入特征,输出声学评估信号;基于最终疲劳损伤评估值和声学评估信号,对风机叶片进行损伤预警。本公开减少实时采集参数,同时提升检测精度,及时发出报警信号,有效维护风机叶片的正常运行。
Resumen de: CN121251504A
本发明涉及风力发电机组领域,具体为一种风力发电机组叶片结构加阻装置及方法。其安装在风力发电机组叶片内部的主梁或腹板上;包括:安装架;盒体,设置在安装架上,盒体内盛有液态油;移动块,位于液态油内,移动块四周设置多个弹簧;以及连接柱,一端与弹簧端部连接,另一端穿过盒体四周,安装架上设置有带动连接柱水平向盒体中心靠拢或远离的伸缩装置。本发明中,通过多个弹簧从多个方向拉住移动块,进一步提高阻尼效果,且多个弹簧可以将移动块限制在盒体的靠中间位置处,不会导致移动块贴在盒体内壁上造成加阻失效。另外,通过多种安装方式能适应不同尺寸的叶片以及不同安装位置需求,使用范围更广。
Resumen de: CN121251752A
本申请公开了一种风电机组轴系扭振的自适应阻尼控制方法、系统、设备及介质,属于风电机组控制技术领域,该方法包括:在满足扭振频率观测的预设触发条件时,基于风电机组的发电机转速信号,在线辨识得到扭振频率观测值;据此动态更新可调带通滤波器的滤波中心频率;基于更新后的可调带通滤波器,对发电机转速信号进行滤波以提取扭振频率分量;进而生成阻尼控制信号;向风电机组发送预设控制指令,预设控制指令中携带阻尼控制信号,以调节发电机的电磁转矩。该方法在线辨识并自适应调整可调带通滤波器的滤波中心频率,使阻尼控制能匹配变化的系统特性,解决了现有技术中阻尼控制器因参数固定而无法适应实际扭振频率变化,导致控制效果变差的问题。
Resumen de: TW202502519A
The invention describes an infusion assembly (1) for forming a resin-infused joint between two hollow elongate precast sections (21, 22), comprising an outer vacuum arrangement comprising an outer vacuum bag (11) adapted to be attached to the exterior surfaces of the precast sections (21, 22); an inner vacuum arrangement comprising an inner vacuum bag (12) adapted to be attached to the interior surfaces of the precast sections (21, 22); and an overpressure arrangement comprising a pressurized air supply (15) and one or more inflatable bags (14, 141, 142) configured to exert an overpressure (Pover) against the inner vacuum bag (12) during a resin infusion procedure. The invention further describes a method of connecting precast sections (21, 22) of a wind turbine rotor blade using such an infusion assembly (1).
Resumen de: WO2024240966A1
The invention relates to a method for assembling an offshore wind turbine that is separated into two parts that are pre-assembled in a port: a jacket-type lattice substructure (15) anchored to the seabed with a foundation and a superstructure that includes a transition piece (4), a tower (1), a nacelle (2) and blades (3) transported floating in a vertical position. Tripod supports (5) are anchored on board the double-pontoon vessel (8) that is braced (9) at the bow and stern, and a triangle (7) supporting the superstructure is disposed on the tripod supports. During the transport phase, the hydraulics (14) included inside the tripod supports (5) are retracted, the movable parts are connected by a bolted joint, and the vessel (8) is ballasted. Once the positioning on the jacket (15) has been carried out, both parts are fastened by moorings (16), movement limiters (18) and impact limiters (18'), the load is transferred with the lowering of the hydraulic cylinders (14), and contact occurs between the upper portion of the jacket (15) and the receiver of the passive coupling system (23). Once the assembly is complete, the passive coupling system (23) arranged on the transition piece is recovered, the triangle (7) is dismantled, and the bracing (9) of the stern is folded down or removed to release the vessel (8).
Resumen de: CN121251515A
本发明的一种基于离心调速器与摩擦制动的自适应风力驱鸟器属于机械动力学与控制技术领域,结构包括:风车转体(1)、配重杆(2)、滑块(3)、连接杆(4)、弹簧(5)、圆锥滚子轴承(6)、底座(7)、摩擦块(8)和反光镜片(9)。本发明所设计的结构为风力驱鸟器引入了主动调速系统,能有效增强风力驱鸟器在高风速工况下的稳定性,减少自然损耗,延长使用寿命。
Resumen de: CN121251503A
本发明涉及包边条技术领域,具体为一种风电叶片前缘耐腐蚀可更换包边条结构,包括耐腐蚀橡胶密封圈,耐腐蚀橡胶密封圈套设在风电叶片前缘的连接处,所述耐腐蚀橡胶密封圈的两端错位叠放,耐腐蚀橡胶密封圈的一端固定有金属扣板,耐腐蚀橡胶密封圈的另一端在内环面安装有金属连接片,金属扣板和金属连接片之间通过螺接组件连接,且耐腐蚀橡胶密封圈的两端叠放之间设有预限位组件。预限位组件中的插条和橡胶插条插入对应的卡槽中,橡胶插条的圆面直径大于卡槽的顶部槽口宽度,这种设计使得插入后橡胶插条能牢固卡在卡槽内,实现耐腐蚀橡胶密封圈两端的预固定,有效避免了两端散开的问题。
Resumen de: CN121251527A
本发明涉及电厂监测设备技术领域,公开了一种风电场机组水冷系统的深度清洗用异常监测装置及系统,包括多功能防腐水箱、大流量脉冲式防腐冲洗泵、连接组件和监测组件,所述多功能防腐水箱内设有三级过滤系统、温控组件及液位检测部件,所述三级过滤系统沿清洗液流向依次设置粗滤滤网、精滤滤网及自清洗滤网,所述自清洗滤网配套设有反冲洗喷头。通过将监测维度全覆盖,可识别流量、浓度、腐蚀、泄漏、滤网状态等多类异常,尤其是管道早期腐蚀、微量泄漏等隐性异常,避免设备损伤,而且预警与响应自动化,实时预警可快速识别已发生异常,预判预警可提前提示潜在风险,自动响应可减少人工干预,提升清洗效率。
Resumen de: CN121251523A
本发明涉及钢绞线监测技术领域,公开了一种风电机组钢绞线张拉力监测装置及监测方法,包括:钢绞线组、底盖、底座和压力监测组件,钢绞线组设置于混凝土塔段的内腔,钢绞线组的顶端与钢混塔筒的风机钢塔段底端连接;底盖中部具有过线孔,其上设置有底端开口的腔体;底座的顶端插入腔体,钢绞线组的底端与底座连接;压力监测组件包括:压力监测装置和压力传递介质,压力传递介质填充于腔体,压力监测装置与压力传递介质连接,本发明能够将钢绞线组受到的张拉力转化为压力信号并对其进行实时、连续监测,避免了传统抽检或外贴传感器存在的监测滞后问题。
Resumen de: CN121251539A
本申请涉及一种风力发电机组散热控制方法及系统。所述方法包括:首先通过传感器采集温度与热源信息,经数据融合和异常点检测,生成异常区域热力分布子图;再依据子图确定高温区域,结合阈值筛选散热设备可用位置,用遗传算法优化得出设备安装优先级;随后根据优先级规划部署路径,生成设备安装指令集;最后将指令集与历史数据比对,生成适应性指标,结合神经网络预测温度趋势,更新散热设备运行参数,输出散热控制指令集。采用本方法能够有效提升散热系统响应速度与控制精度,降低过热风险,平衡散热效能与能耗,延长机组核心部件寿命,保障风力发电机组稳定运行。
Resumen de: CN121251514A
本发明属于风电控制技术领域,公开了一种风力发电机固定时间自适应神经网络变桨控制方法,包括:步骤1,建立风力发电机的动力学模型,初始化系统状态以及控制参数;步骤2,针对存在外部干扰的风力发电机系统,基于滑模思想,设计固定时间滑模面;步骤3,设计固定时间自适应神经网络变桨控制器。本发明的有益效果为:在风力发电机存在外部干扰和参数不确定的情况下,实现转子转速跟踪误差在固定时间内快速收敛,且收敛时间不依赖于初始状态。
Resumen de: CN121257229A
本发明涉及风力发电技术领,尤其是一种基于低频噪声的风电机组叶片颤振预警方法,首先获取风力发电机组叶片的几何模型信息和物理参数,然后计算获得叶片的各阶模态频率和模态振型,根据振动模态的叠加原理,叶片颤振时必然会辐射对应模态频率下的低频噪声,利用布置在风力发电机组上的传声器实时监测风力及工作时产生的低频噪声,通过信号处理得到并监测叶片颤振频率处的噪声强度,并设置预警强度门限,当颤振模态频率处的低频噪声信号超过预警门限时即刻发出颤振预警,可以在叶片发生较大变形之前开始预警,较大程度上提升安全裕度。
Resumen de: CN121251513A
本申请提供了一种风电机组单支桨叶卡死的极限降载控制方法,以解决现有方案中在停机过程中容易增加风轮的不平衡载荷,从而导致轮毂系统和偏航系统载荷增加的问题。该风电机组单支桨叶卡死的极限降载控制方法,包括:在识别到单叶片卡桨故障时,触发预定闭环停机逻辑,所述预定闭环停机逻辑包括获取所述风电机组的当前扭缆角度和发电机转速;根据所述当前扭缆角度,选择偏航方向并进行主动偏航控制;根据所述发电机转速,对非卡桨叶片进行变桨控制,并对发电机进行转矩控制。
Resumen de: CN121246982A
本申请涉及风力发电领域,涉及一种双叶轮机组漂浮式风电单点系泊系统,包括漂浮式基础、第一风电机组、第二风电机组和单点系泊装置,漂浮式基础包括主立柱和与其连接的V型支架,第一、第二风电机组分开安装在V型支架顶部,主立柱底部设有下浮箱,系泊装置包括内转塔、主轴承、锚链盘和锚链,下浮箱底部具有安装槽,内转塔设于安装槽内,锚链盘与内转塔底部固定连接,锚链一端与锚链盘连接,另一端与海床固定,安装槽内壁设有转塔支撑环,主轴承内圈与内转塔连接且外圈与转塔支撑环连接,漂浮式基础通过转塔支撑环和主轴承的外圈相对内转塔旋转。本申请使得漂浮式基础能绕系泊点旋转,保证风电机组能够自由对风,取消了机组偏航系统,降低机组故障率。
Resumen de: CN121251177A
本发明涉及综合杆技术领域,且公开了一种新型多功能综合杆,所述下杆的顶部依次转动安装有转杆和上杆,其外部设置有保护罩,所述保护罩的表面设置有导风组件,顶杆顶部安装的太阳能板能够吸收太阳能并转化为电能,与风能发电系统共同为储能装置充电,实现了多种能源的互补利用,提高了能源供应的稳定性和可靠性,装置通过风向传感器实时检测风向,控制主导风片打开方向,使得来风进入装置内部;风量较小时,背风侧主导风片向内旋转聚风,利用离心力增大气流流速,解决微风下风能捕获不足的问题;风量过大时,背风侧主导风片向外旋转导流,使风直接穿过装置,避免强风对内部组件以及杆体造成冲击,解决了现有技术中综合杆稳定性不足的问题。
Resumen de: CN121251537A
本发明属于建设工程中的风机基础接地施工技术领域,具体涉及一种风电机组的接地方法以及一种接地电阻调节方法。本发明所述的风电机组的接地方法,包括如下步骤:步骤一,山体导电单元构建;步骤二,山谷散流单元构建;步骤三,接地闭合回路形成。其中的山体导电单元通过第一竖向接地极与裂隙水的接触,将电流引入岩石内部的导电网络,利用水分的流动性扩大电流扩散范围;山谷散流单元借助山谷土壤的天然低电阻率特性,通过网状接地带快速吸收并散流电流;山体导电单元和山谷散流单元形成的立体网络使电流既能沿山体纵向扩散,又能通过山谷土壤横向散流,利用自然地理条件实现接地电阻的有效降低。
Resumen de: CN121251519A
本发明提供快速安装法兰米字支撑,包括支撑座,所述支撑座上转动安装有螺纹柱,所述螺纹柱的一端转动安装有螺纹管,所述螺纹管的一端固定有旋柄,所述螺纹柱上转动安装有活动座,所述活动座上焊接有固定组件,所述螺纹柱的另一端固定有转动盘,所述转动盘活动安装在活动座上,所述转动盘的边侧固定有支撑组件,所述固定组件包括固定板,所述固定板的内部开有连接槽,所述连接槽的内部活动安装有连接杆,所述连接杆上开有凹槽。本发明,在使用时,通过转动盘带动固定组件和支撑组件上下平行分布,支撑组件和固定组件相配合实现双层支撑点的支撑,后期支撑组件和固定组件错位后形成米字型多点支撑,从而实现对塔筒法兰处的不同方式支撑限位。
Resumen de: CN121251506A
本发明公开了一种具有机械锁销和可逆性连接层的风电叶片,属于风电叶片技术领域,该具有机械锁销和可逆性连接层的风电叶片,包括风电叶片主体,所述风电叶片主体的内部中心固定连接有腹板,所述风电叶片主体的内壁一端固定连接有安装环座;所述安装环座上设有连接机构,所述连接机构用于风电叶片主体与轮毂的连接。本发明通过设计连接机构,SMA锁销受热升温时,发生相变,产生可控的缩短,从而瞬间解除SMA锁销的紧固力,使风电叶片主体与轮毂的连接从刚性连接转变为铰接或半浮动状态,使得风电叶片主体在风中产生一个微小的、受控的偏转,从而将破坏性的能量释放掉,避免结构被破坏。
Resumen de: WO2026002766A1
A method of manufacturing a wind turbine blade for a horizontal axis wind turbine (2), and mounting it to the pitch bearing of a hub of a wind turbine is described. The method comprises the steps of: manufacturing (402) a first wind turbine blade shell part; manufacturing (404) a second wind turbine blade shell part; assembling (406) at least the first wind turbine blade shell part and the second wind turbine blade shell part to form at least part of a shell body of the wind turbine blade, wherein the wind turbine blade extends between a root end and a tip end, and wherein the first wind turbine blade shell part and the second wind turbine blade shell part are at least adhered to each other along a first bond line that extends to the root end of the wind turbine blade; providing (408) a ring-shaped root end flange, which is configured to be connected to the root end of the shell body, and which is configured with a bond line marker, preferably on an inner circumference of the ring-shaped root end flange, and further configured with a pitch-angle marker; attaching (410) the ring-shaped root end flange to a root end face of the shell body, such that the ring-shaped root end flange covers the first bond line, and the bond line marker is aligned with the first bond line; and mounting (412) the wind turbine blade including the ring-shaped root end flange to the pitch bearing of the hub of the wind turbine, such that the pitch-angle marker is aligned with a zero-pitch position for
Resumen de: WO2026002504A1
The invention relates to an arrangement comprising a shaft (115), a spur gear (101), a first housing-fixed support structure (119), a second housing-fixed support structure (123), a first bearing (117) and a second bearing (119), wherein: the spur gear (101) has a web (107) which is arranged between the first bearing (117) and the second bearing (119) and which connects a gear rim (105) and a hub (11) of the spur gear (101) to one another; the shaft (115) is connected to the hub (111) for conjoint rotation. The gear rim (105) forms an outer running surface of the first bearing (117) or a seat for an outer ring of the first bearing (117) and an outer running surface of the second bearing (121) or a seat for an outer ring of the second bearing (121), wherein: the first support structure (119) forms an inner running surface of the first bearing (117) or a seat for an inner ring of the first bearing (117); and the second support structure (119) forms an inner running surface of the second bearing (121) or a seat for an inner ring of the second bearing (121).
Resumen de: WO2026002465A1
According to an embodiment, the method is for operating a wind turbine (100) having a rotor (10) with at least two rotor blades (1, 2, 3) and a pitch adjustment system (500) for adjusting the pitch angles (β_i) of the at least two rotor blades. The method comprises a step of determining first information (I1) which is representative of the appearance of a failure in the pitch adjustment system while the rotor is rotating. In a further step, second information (I2) is provided which is representative of the actual rotational speed (n_a) of the rotor. Then, third information (I3) is determined depending on the first and the second information, wherein the third information is representative of a pitch angle setpoint (SP_β_i) for at least one rotor blade. The pitch angle setpoint depends on the actual rotational speed and is chosen to reduce the rotational speed of the rotor. When the wind turbine is operated according to the third information, a pitch angle of at least one rotor blade is adjusted to the pitch angle setpoint.
Resumen de: WO2026002350A1
An offshore wind turbine (1) comprising an up-tower crane, a temporary platform (8) mounted on the tower (2) at a down-tower position, and a tagline system is disclosed The tagline system comprises at least one tagline (13) and at least one winch. Each tagline (13) is configured to be connected, at one end, to a component (10) being hoisted to or lowered from the nacelle (3) by means of the up-tower crane, and, at an opposite end, to one of the at least one winch. Each tagline (13) is further connected to an outlier point (14) formed on the temporary platform (8), each outlier point (14) being arranged at a distance from the tower (2). Furthermore, a method for replacing a component (10) in a nacelle (3) of an offshore wind turbine (1) is disclosed.
Nº publicación: WO2026002349A1 02/01/2026
Solicitante:
VESTAS WIND SYSTEMS AS [DK]
VESTAS WIND SYSTEMS A/S
Resumen de: WO2026002349A1
A wind turbine tower structure (1) having two or more damper units (3) releasably mounted on a lower exterior part thereof is disclosed Each damper unit (3) comprises a scissor-jack damper, where a first (5a) and a second (5b) hinge connection define a first (6) and a second (8) mounting portion, respectively, and a third (5c) and a fourth (5d) hinge connection are interconnected via a damper element (10). The first mounting portion (6) of each damper unit (3) is releasably attached to a first mounting position (7) on the exterior part of the wind turbine tower structure (1) and the second mounting portion (8) of each damper unit (3) is releasably attached to a second mounting position (9, 11) on the exterior part of the wind turbine tower structure (1) or at an anchor point arranged adjacent to the wind turbine tower structure (1). Methods for transporting, storing and erecting the wind turbine tower structure (1) are also disclosed.