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457
results.
Updated on
17/06/2025 [07:13:00]
Results 375 to 400 of 457
Absstract of: EP4563814A1
The present invention relates to a semi-submersible platform for supporting wind turbines comprising a mixed structure with two portions: a first concrete caisson-type structure (1), which serves as hydrodynamic stability and flotation of the platform, consisting of: a hollow, closed base plate (11), and cylindrical and/or frustoconical-shaped bodies (12), the bases of which are embedded in the base plate (11), in areas close to the vertices thereof, which are closed at the top by means of covers. And, a second structure formed by a transition piece (2) that connects the base plate (11) to the lower end of the tower (3) of the wind turbine at connection points (21), located on each side of the base plate (11), distributing the service loads of the wind turbine towards the concrete caisson-type structure (1).
Absstract of: EP4563810A1
A control method for a wind turbine, and a related apparatus. On the basis of acquiring in real time an acceleration parameter corresponding to a target wind turbine, whether the target wind turbine meets a wind regime factor determination condition may be determined, wherein the wind regime factor determination condition is used for determining the reason why yaw vibration of the wind turbine exceeds a limit. If the target wind turbine meets the wind regime factor determination condition, it may be determined that an effective acceleration value of the wind turbine exceeds a vibration limit-exceeding threshold value due to a wind regime factor; and if the target wind turbine does not meet the wind regime factor determination condition, it may be determined that the effective acceleration value of the target wind turbine exceeds the vibration limit-exceeding threshold value due to a yaw brake disc system factor. Therefore, the wind turbine may be controlled on the basis of the accurately analyzed reason for exceeding a limit, so as to avoid performing a frequent shutdown operation owing to exceeding a limit due to the wind regime factor, thereby reducing the startup and shutdown frequency of the wind turbine and reducing the losses.
Absstract of: EP4563812A1
The method is for operating a wind turbine (100) having a rotatable component (1 to 4) and at least one drive (di) for rotating the rotatable component by exerting torque. The method comprises a step of providing first information (I1) which is representative of the actual position (P_a) of the rotatable component. In a further step, second information (I2) is provided which is representative of a target position (P_t) of the rotatable component. Then, third information (I3) is determined depending on the first and the second information. The third information is representative of a target trajectory (T_t) for the rotation of the rotatable component from the actual position to the target position using a trajectory generator. In a further step, an operating setpoint (OS_i) for the at least one drive is determined depending on the third information such that, when the at least one drive is operated according to the operating setpoint, the drive exerts torque onto the rotatable component so that it starts to follow the determined target trajectory.
Absstract of: EP4563336A1
Transport device for transporting preform elements (24) from a mold (22) to a receiving place, comprising a yoke (2) equipped with a number of gripper elements (5) for gripping the preform element (24), which yoke (2) is attached to a lifting device (6) by means of a first and a second rotation unit (7, 8) of the lifting means (6), which first and second rotation units (7, 8) are coupled to a rotation shaft defining a rotation axis of the yoke (2), wherein the first rotation unit (7) is coupled to a first end of the rotation shaft provided at a first end of the yoke (2) and the second rotation unit (8) is coupled to a second end of the rotation shaft at a second end of the yoke (2), wherein at least one drive motor (16) is provided for rotating the yoke (2) around the rotation axis relative to the first and second rotation unit (7, 8).
Absstract of: EP4563815A1
There is described a method for operating a wind turbine, a safety system, and a wind turbine comprising a rotor, at least two pitchable rotor blades, a pitching system, an operation controller and a safety controller. The method comprising the steps of: determine a value for at least one safety paremeters with the safety controller, compare the value of the at least one safety parameters with at least one safety threshold and if the value is different from the at least one safety threshold the safety controller delivers a warning signal to the operation controller and prevents the wind turbine (100) from starting up. Further, a safety system comprising a memory and a processor and means for carrying out the method is also disclosed.
Absstract of: EP4563811A1
A method for bringing a rotor hub (51) of a wind turbine (20) in a predetermined position for arranging a blade (50) of the wind turbine (20) at the rotor hub (51) is provided. The wind turbine (20) comprises the rotor hub (51), a rotating electrical machine (22) mechanically coupled to the rotor hub (51), a machine-side converter (24, 44) electrically coupled to the rotating electrical machine (22), a DC-link (26, 46) electrically coupled to the machine-side converter (24), and a grid-side converter (28, 48) electrically coupled to the DC-link (26, 46) and to an electrical grid. The method comprises operating the rotating electrical machine (22) in a blade assembly mode in which the rotating electrical machine (22) is configured for rotating the rotor hub (51) such that the rotor hub (51) is brought in the predetermined position by the rotating electrical machine (22), wherein the predetermined position of the rotor hub (51) is given by a predetermined rotor mechanical angle reference ( θRref) of the rotor hub (51).
Absstract of: EP4563813A1
The present invention relates to a blade handling assembly (62) for moving a wind turbine blade (10) between two locations. The blade handling assembly (62) includes at least one blade handling unit (64) comprising a motorized trolley (66) and an interface structure (68) releasably coupled to the motorized trolley (66). The interface structure (68) includes a support member (70) and a receiving member (72), wherein a fixture (74) is arranged on the receiving member (72), the fixture (74) being configured for attachment to the wind turbine blade.
Absstract of: EP4563513A1
Ballast weight (12) for coupling to an attachment means (11), in particular to a hook, attached to the lower end of a rope (10) of a crane (9),wherein the ballast weight (12) is formed by or comprises a main body (17),wherein the main body (17) encompasses a receiving space (18),wherein the receiving space (18) is designed to receive at least a section of the attachment means (11) in an operational state (78) of the ballast weight (12),wherein the receiving space (18) is delimited by an inner surface (21) of the main body (17) and extends along a central axis (19) of the ballast weight (12),wherein the size (74, 75) of the receiving space (18) in at least one direction orthogonal to the central axis (19) is larger at a first position (76) along the central axis (19) than at a second position (77) along the central axis (19) that is arranged above the first position (76), such that the inner surface (21) forms a contact surface (41) arranged at an angle (80) to the central axis (19), that is designed to be supported by a support surface (42) of the attachment means (11),wherein the main body (17) comprises a slit (20) to allow for a movement of the rope (10) into the receiving space (18). Also disclosed is a crane system comprising such a ballast weight and a rack for storing a ballast weight and a method of operating a wind turbine wherein the turbine is constructed using such a crane.
Absstract of: EP4563338A1
The present disclosure relates to systems for attaching a shear web (42) to a first wind turbine blade shell, the first blade shell being held in a blade mold (100). The system comprises a shear web positioning tool (250) configured to hold one or more shear webs (42) and a set of hinge devices (300), each comprising a static member (302) and a movable member (301), wherein the movable member (301) is rotatable about a pivot axis (304) of the static member (302). The system further comprises that the shear web positioning tool (250) is configured to be connected to the movable members (301) of the hinge devices (300). The present disclosure further comprises a method (700) for manipulating parts during blade manufacturing.
Absstract of: EP4563816A1
Es wird ein Verfahren zum Warten eines Windenergieanlagen-Turms (200) vorgesehen, welcher eine Mehrzahl von Turmsegmenten (210) aufweist, welche zumindest teilweise mittels Spanngliedern (400) außerhalb einer Wandung der Turmsegmente (210) verspannt sind, wobei zumindest einige der Turmsegmente (210) Betonfertigteilsegmente sind. Ein erstes Ende der Spannglieder (400) ist in einem unteren Bereich (320) des Turms (200) der Windenergieanlage (100) derart verspannt, dass die Spannglieder (400) sich innerhalb eines Aufweitungsrohres (500) befinden, welches zumindest an seiner Oberseite mittels einer Pressdichtung abgedichtet ist, wobei ein erstes Korrosionsschutzmittel (432) sich innerhalb der Spannglieder (400) befindet. Ein zweites Korrosionsschutzmittel (501) befindet sich innerhalb des Aufweitungsrohres (500). Zur Entfernung von überschüssigem Korrosionsschutzmaterial werden folgende Schritte durchgeführt: Bohren einer Bohrung (505) in einer Wandung (500a) des Aufweitungsrohres (500), Einführen eines Schlauchs (700) durch die Bohrung (500a) in das Innere des Aufweitungsrohres (500), Abpumpen des sich in dem Aufweitungsrohr (500) befindlichen überschüssigen Korrosionsschutzmittels, Entfernen des Schlauchs (700) aus der Bohrung (505) und Verschließen der Bohrung (505).
Absstract of: GB2635998A
A wind turbine tower elevator carriage for clamping onto at least a first tower rail extending up a wind turbine tower to releasably support the carriage on the first tower rail, the elevator carriage comprising: a carriage body, independently operable first and second releasable rail clamps and a lifting mechanism for raising and lowering the carriage body with respect to the first releasable rail clamp.
Absstract of: WO2024023481A1
A transportation means 10 comprises at least one fluid inlet 14, a first duct 40, a second duct 20, and at least one generator 16, wherein the first duct 40 and the second duct 20 are arranged to receive a fluid flow from the at least one fluid inlet 14, and to direct the fluid flow to the generator 16, the generator being mounted transverse to a direction of travel of the transportation means 10 and arranged to generate energy from a passage of fluid from the at least one fluid inlet 14 through or over the generator16, the generator 16 comprising a fluid flow capture mechanism comprising one or more blades extending from a central hub, and wherein the first duct 40 has an outlet directing fluid flow towards a lower portion of the blades of the generator 16 so as to lift the blades, and fluid from the second duct 20 is delivered to an upper portion of the blades of the generator 16, substantially over the central hub, the fluid flow capture mechanism being arranged to extract energy and drive the generator 16 from movement of the transportation means 10 through the surrounding fluid.
Absstract of: AU2023314513A1
According to various embodiments, a direct air capture system includes: a wind turbine that includes at least one blade that includes one or more openings, wherein, in operation, first air flows across the at least one blade, causing the wind turbine to generate electrical energy, and causing the one or more openings to receive second air; a conduit that fluidly couples the one or more openings to a carbon dioxide (CO
Absstract of: GB2635884A
An apparatus for subsea mooring comprises a downwardly extending arrangement of at least two and preferably three legs 2a, 2b, 2c. A drill bit 8a, 8b, 8c is coupled to each leg and each said drill bit is configured for drilling into the seabed (51, Fig 6). At least one drill bit rotates in a first direction and at least one other drill bit rotates in the opposite direction. Both said at least one and said at least one other of the drill bits are arranged to simultaneously drill into the seabed. A method of using the apparatus to provide a subsea mooring is also disclosed.
Absstract of: CN119604679A
The invention relates to a rotary bearing for a two-blade rotor which is recycled for high loads in a wind power plant. The invention relates in particular to a novel rotor hub for a two-blade rotor, in particular a resiliently supported, of a wind turbine, into which a resilient rotary bearing is integrated, which in turn consists of two rotary joint units consisting of layered elements and conical elements.
Absstract of: WO2024023322A1
A method for performing a maintenance or repair of a rotor blade of a wind turbine comprising: planning and scheduling data acquisition; acquiring data of the a rotor blade based on the planning and scheduling; processing and analyzing the acquired data using artificial intelligence; identifying (108) defects of the one rotor blade; and tracking and visualizing the identified defects of the rotor blade; performing a maintenance or a repair of the rotor blade; wherein processing and analyzing the acquired data using artificial intelligence includes determining one or more artificial intelligence algorithms, and wherein the artificial intelligence is trained based on previously acquired data of one or more rotor blades and the previously acquired data is further augmented using blending to obtain augmented training data, and wherein the blending includes a random cut and paste and/or a Poisson blending/alpha blending and/or a GAN based blending.
Absstract of: WO2024023296A1
In a first aspect, a multi-axis tool for handling and positioning a blade root component at a blade root portion of a wind turbine blade is provided. The tool comprises a first arm extending from first arm proximal end to a first arm distal end. In addition, the tool comprises a first arm support pivotally coupled to the first arm proximal end and a mounting frame configured to be releasably connected to the blade root component. The tool further comprises a connecting assembly coupling the first arm distal end to the mounting frame. The connecting assembly comprises a connecting joint for pivoting the mounting frame and a rotating connector rotatably coupling the first arm distal end with the mounting frame. The tool is configured to rotate and/or to flip the blade root component when connected to the mounting frame. In a further aspect, a method for handling and positioning a blade root component at a blade root portion of a wind turbine blade is provided.
Absstract of: WO2024023088A1
A method for attaching a panel to a surface of a wind turbine blade using a pressure application tool is described. The pressure application tool comprises at least two rollers, wherein the panel comprises a first attachment surface for attaching to the surface of the wind turbine blade and a second surface which faces away from the surface of the wind turbine blade, when the panel is attached to the surface of the wind turbine blade. The blade has a profiled contour including a pressure side and a suction side, and a leading edge and a trailing edge with a chord having a chord length extending therebetween in a chordwise direction, the wind turbine blade extending in a spanwise direction between a root end and a tip end. The method comprises: placing the first attachment surface of the panel on a part of the pressure side or the suction side of the wind turbine blade with adhesive between the first attachment surface on the panel and the part of the pressure side or the suction side of the wind turbine blade; arranging the pressure application tool such that a first roller of the at least two rollers is arranged to contact the second surface of the panel, and a second roller of the at least two rollers is arranged to contact a part on the other side of the pressure side or suction side of the wind turbine blade; applying pressure using the pressure application tool to the second surface of the panel and to the part on the other side of the pressure side or suction side of th
Absstract of: WO2024023045A1
A computer-implemented method for training a classifier for failure diagnosis of a drivetrain of a wind turbine, comprising: training a physics-based model (100) of a drivetrain of a wind turbine with operation data (151, 152) of the drivetrain in normality conditions, thus providing a normality hybrid model (200) of the drivetrain of the wind turbine; modelling at least one anomaly situation in the normality hybrid model (200) and training it with operation data (151, 152') of the drivetrain in failure conditions, thus providing a fault hybrid model (500) of the drivetrain of the wind turbine; applying a set of input data of the drivetrain in normality conditions (151) to the normality hybrid model (200), thus obtaining a set of synthetic data in normality conditions (280) for a certain parameter of the drivetrain; applying a set of failure data (150'') and a set of synthetic input data (710) associated to the at least one anomaly situation of the drivetrain to the fault hybrid model (500), thus generating a set of synthetic failure data (750) for the at least one anomaly situation; from a set of output data of the drivetrain (152, 152'), the obtained set of synthetic data in normality conditions (280) and the set of synthetic failure data (750) for the at least one anomaly situation, obtaining a set of condition indicators (8105) for the at least one anomaly situation; training a classifier (900) with 20 the set of condition indicators (8105) for the at least one anomaly si
Absstract of: EP4563809A1
Die Erfindung betrifft aerodynamische Profil-Strukturen, wie zum Beispiel Rotorblätter für Windkraftanlagen oder Tragflächen von Fluggeräten, bei denen auftretende stehende Wellen (Raummoden) im Innenraum des Rotorblatts durch geeignete Maßnahmen bedämpft, verhindert oder verstimmt werden. Die Erfindung betrifft insbesondere solche Profilstrukturen der genannten Formen, die stehende Wellen im Frequenzbereich unterhalb der von der Raumgröße und -geometrie abhängigen Schröderfrequenz durch strukturändernde Maßnahmen im Inneren der Profilstruktur vermeiden und minimieren können.
Absstract of: CN120083655A
本发明提供一种同轴风与蒸汽互补发电装置，涉及风力发电机技术领域，包括底座，所述底座前端顶部安装有发电机，且发电机顶部固定有支架，所述支架顶部安装有风机，所述风机的齿轮箱尾端转动安装有传动杆，且传动杆与风机同轴连接，所述传动杆的后端设有传动组件，所述底座后端固定有蒸汽机，相对于现有技术，通过拉绳牵引活塞板和活塞杆的往复推进运动，增加蒸汽机内部燃烧炉内空气的流动，加速煤炭燃烧效率，提高蒸汽机升温速度，在没有风的环境下，蒸汽机通过切换连接，部分热量从出风筒吹出带动风机的扇叶进行转动，从而依靠蒸汽机的工作带动风机继续转动，实现在无风的环境下，蒸汽发电和风力发电依然可以同步进行。
Absstract of: US2022228564A1
A column with at least one photovoltaic element for converting radiation energy is disclosed. The at least one photovoltaic element converts radiation energy of light, such as sunlight, into electrical energy. The at least one photovoltaic element is arranged on the column, and at least one photovoltaic element is a flexible photovoltaic element.
Absstract of: CN120083649A
本发明公开了一种融合多源数据的智能换向系统及控制方法，涉及风力发电液压控制技术领域。系统采用模糊PID与PFC压力前馈补偿双环控制结构，通过振动传感器、风速传感器和扭矩传感器的多源数据融合，建立以"振动>扭矩>风速"为优先级的技术闭环；采用模糊逻辑动态调整PID参数，结合压力前馈补偿(PFC)抑制换向冲击。方法包括：多层级传感器数据采集与融合、模糊化规则库构建、PID参数自整定、前馈补偿量动态修正。本发明有效提升了发电效率与运行稳定性，采用动态压力补偿控制策略，在降低液压系统压力波动的同时增强环境适应性，显著延长设备寿命并实现复杂工况下的精准调控。
Absstract of: CN120083646A
本发明公开了一种可调式垂直轴风力发电机，涉及风力发电技术领域。本发明包括支撑柱，所述支撑柱的顶端固定安装有安装筒，所述安装筒与支撑柱之间通过法兰固定安装，所述安装筒的顶部限位转动连接有旋转柱，所述旋转柱的外围均匀限位转动连接有连接板，所述连接板远离旋转柱的一侧限位铰接有安装轴，所述安装轴的外侧限位转动连接有主叶片。本发明实现了在驱动旋转的启动阶段和不同转速情况下对叶片的位置和重心进行调节，在静止状态下更容易启动转动的同时，也能够在发生转动后更有利于持续旋转，提高对于风能的有效利用，提升产生的电量，实现了根据风速来对叶片的攻角进行调节，使叶片一直处于最佳的受风角度，提高了对于风能的利用率。
Nº publicación: CN120083651A 03/06/2025
Applicant:
上海研上液压设备有限公司
Absstract of: CN120083651A
本发明公开了一种液压驱动的风力发电机偏航控制器及控制方法，包括塔筒、驱动环和偏航驱动机构；驱动环设有螺旋槽；偏航驱动机构包括发电承载底架、第一驱动单元和第二驱动单元；第一驱动单元和第二驱动单元均包括驱动支座、液压缸、第一滑块、第二滑块和摆块；第二滑块与液压缸的输出端连接；第一滑块设有驱动槽；第二滑块设有活动嵌入驱动槽内的卡销；第二滑块能够相对第一滑块竖直滑动的同时水平滑动；摆块活动设于第一滑块；摆块的一端活动嵌入螺旋槽内并与螺旋槽的槽底摩擦接触；摆块的另一端与第二滑块活动卡接，且弹性滑动设有顶销；顶销与驱动支座活动抵接；如此降低偏航控制系统的制造成本和复杂程度，提高偏航控制系统的可靠性。
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