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454
results.
Updated on
08/05/2025 [07:25:00]
Absstract of: DE102023130453A1
Die Erfindung betrifft eine Nabenanordnung (1) für eine Windenergieanlage, umfassend einen Nabenkörper (2), mit mindestens einer Anschlussfläche (3), in der ein erster Lochkreis (4) ausgebildet ist, eine blattseitige Extenderlagereinheit (5) umfassend einen ersten Lagerring (6) mit einem zweiten Lochkreis (7), der mit dem ersten Lochkreis (4) fluchtet, und einen zweiten Lagerring (8) zur Befestigung an einem Rotorblatt der Windenergieanlage, wobei der zweite Lagerring (8) koaxial zu dem ersten Lagerring (6) um die gemeinsame Lagerachse verdrehbar angeordnet ist, und eine nabenseitige Extenderlagereinheit (9), wobei der Nabenkörper (2) mit dem ersten Lagerring (6) über den ersten und den zweiten Lochkreis (4, 7) verschraubt ist und wobei die nabenseitige Extenderlagereinheit (9) zumindest zwei Laschen (10) umfasst, die sich jeweils über einen Umfangsabschnitt der Lochkreise (4, 7) erstrecken und einen entsprechenden Lochkreisbogen aufweisen, der mit den Lochkreisen (4, 7) fluchtet, wobei die Laschen (10) in die Verschraubung des Nabenkörpers (2) mit dem ersten Lagerring (6) eingefügt sind.
Absstract of: DE102023130944A1
Eine Lageranordnung (1), insbesondere für eine Windkraftanlage, umfasst ein Radiallager (2), welches einen Außenring (11) sowie eine Mehrzahl an Kippsegmenten (12) aufweist, wobei die Kippsegmente (12) jeweils mit einem Axial-Gleitlager (3) im Außenring (11) gelagert sind, und wobei in eine Mehrzahl der genannten Axial-Gleitlager (3) ein als Kraftmessbolzen (4) ausgebildeter Kraftsensor eingebaut ist.
Absstract of: WO2024041802A1
A wind turbine blade (3), comprising: a first and a second blade component (C1, C2) connected with each other in an overlap region (24) by thermal welding, the first blade component (C1) comprising a blade shell (10), a resistive element (25) arranged between the first and second blade components (C1, C2) in the overlap region (24) as a remnant of the thermal welding, and an electrically conductive element (27) extending through the blade shell (10) and being electrically connected to the resistive element (25) for supplying power (I) to the resistive element (25) during the thermal welding. Thus, the first and second blade components can be joined by thermal welding. Further, the resistive element used as heating element for thermal welding can be heated by electrical current even when the resistive element is difficult to assess from the interior cavity of the blade.
Absstract of: CN119422004A
A method of controlling a wind turbine, the wind turbine comprising: a tower; a rotor nacelle assembly (RNA) including a rotor and a nacelle, the rotor including one or more blades. The method includes acquiring tilt angle data indicative of a tilt angle of the RNA, yaw angle data indicative of a yaw angle of the RNA, and a thrust of the rotor. Tilting moment data is determined based on the tilt angle data and the thrust, wherein the tilting moment data is indicative of a tilting moment acting on the rotor about the tilt axis. Yaw moment data is determined based on the yaw angle data, wherein the yaw moment data is indicative of a yaw moment acting on the rotor about a yaw axis. A pitch angle of one or more of the blades is controlled based on the tilt moment data and the yaw moment data.
Absstract of: WO2024003576A1
A method of assembling an offshore wind turbine, such as a floating offshore wind turbine, is disclosed. The method comprises the steps of: transporting, on one or more vessels, a nacelle and a tower of the offshore wind turbine to an assembly area below a support apparatus; suspending the tower and the nacelle from the support apparatus; transporting a floating/buoyant base or foundation body to the assembly area below the support apparatus; and landing the tower on the floating/buoyant base or foundation body and the nacelle on the tower. Also disclosed is a support apparatus for assembling an offshore wind turbine, such as a floating offshore wind turbine.
Absstract of: EP4549304A1
An offshore floating wind turbine platform (100, 200, 300, 400, 500) with columns' (110, 210, 310) cross-section expanded up toward water surface is used for a wind turbine (50) to be disposed thereon and floated on the sea. The offshore floating wind turbine platform (100, 200, 300, 400, 500) includes multiple columns (110, 210, 310) and a connection portion (120, 220). At least one of the columns (110, 210, 310) has an expansion section (112, 212, 312, 512). A horizontal cross-sectional area (A10) of the expansion section (112, 212, 312, 512) gradually increases upward. The wind turbine (50) is disposed on one of the columns (110, 210, 310). A design waterline of the offshore floating wind turbine platform (100, 200, 300, 400, 500) is located on the expansion section (112, 212, 312, 512). The connection portion (120, 220) connects the columns (110, 210, 310).
Absstract of: EP4549731A1
Provided is a wind power generation device capable of being increased in size while suppressing an increase in cost.A wind power generation device (10) includes: a hub (12) in which a hollow hole (12x) is formed; a blade (11) fixed to the hub (12); a bearing (13) that is disposed inside the hollow hole (12x) of the hub (12), an outer ring (13b) of which integrally rotating with the hub (12); a nacelle (14) that includes a fixed portion (14a) to which an inner ring (13a) of the bearing (13) is coupled and that rotatably supports the hub (12) via the bearing (13); a rotation transmission mechanism (15) that distributes and transmits the rotation of the hub (12) to multiple systems (15p, 15q); a generator (16) installed for each system (15p, 15q) of the rotation transmission mechanism (15); and a tower (17) that supports the nacelle (14) in the air. The rotation transmission mechanism (15) includes a large gear (15a, 15i) that integrally rotate with the hub (12), and a small gear (15b, 15j), for each of the systems (15p, 15q), that engage with the large gear (15a, 15i).
Absstract of: WO2024006344A1
A wind turbine blade mold including a first mold surface, at least one aperture located within the first mold surface, the at least one aperture configured to receive at least one pin, the least one pin having a first end and a second end defining a length extending therebetween, the second end of the pin disposed within a pin driver, the pin driver disposed on a second mold surface, the pin driver configured to displace the at least one pin from a retracted position wherein the first end of the at least one pin is disposed below the first mold surface, to an extended position wherein the first end of the at least one pin is disposed above the first mold surface.
Absstract of: SE2250798A1
A system 100 for refurbishing an original wind turbine 100 is provided. The system 100 comprises at least one processor 210 configured to: retrieve the average wind speed at the wind turbine site; determine suitable dimensions for a refurbished wind turbine 100 adapted for the wind turbine site; determine which parts of the original wind turbine 100 that could be re-used and still obtain the determined dimensions for the refurbished wind turbine 100; for each part of the wind turbine 100 that could be re-used, calculate the expected remaining lifetime of said part; if said expected remaining lifetime is above a predetermined minimum lifetime, determine that said part can be re-used in the refurbished wind turbine 100; and select, from a database of replacement wind turbine parts, parts to use instead of the parts needing to be replaced for refurbishing the original wind turbine 100. Further, a method 400 for refurbishing an original wind turbine is provided.
Absstract of: EP4549730A1
The present disclosure relates to a tower sheet assembly, a tower section, and a tower transportation and assembly method. The tower sheet assembly comprises a tower sheet, and a foldable platform, which is arranged on an inner side of the tower sheet. The foldable platform comprises a platform main body and a support member. The support member comprises a support seat, wherein a first end of the support seat is fixed to an inner wall of the tower sheet, and a second end of the support seat is hinged to the platform main body at a first hinge point, such that the platform main body can pivot, around the second end of the support seat, between a folded position and an unfolded position.
Absstract of: EP4549904A1
Disclosed are a full-power test platform and method for a tandem double-wind-wheel wind turbine generator set. The test platform comprises a driving frequency converter, a set converter, a tandem double-wind-wheel transmission chain, driving electric motor assemblies, a signal collector, a load simulator, and a hydraulic module, wherein two ends of the tandem double-wind-wheel transmission chain are respectively connected to the driving electric motor assemblies, the driving electric motor assemblies at the two ends are both connected to the driving frequency converter, and the set converter and the signal collector are both connected to the tandem double-wind-wheel transmission chain; the signal collector is connected to the load simulator, and the load simulator is connected to the hydraulic module; and the driving frequency converter and the set converter are respectively connected to an external power grid.
Absstract of: WO2024000058A1
A lighting apparatus has a lighting component, an energy storage unit, a photovoltaic (PV) panel for at least one of powering the lighting component and charging the energy storage unit, a wind turbine having a plurality of rotatable blades coupled to a generator for at least one of powering the lighting component and charging the energy storage unit, and a housing receiving therein at least the lighting component, the energy storage unit, and the PV panel. The wind turbine is physically coupled to the housing.
Absstract of: CN119487296A
A radiator module (3) for a conditioning system of a wind turbine is disclosed. The heat sink module (3) comprises: a frame (6) configured to support one or more heat sink elements (4); and at least one mounting element (5) establishing a mounting interface between the radiator module (3) and a structural part of a wind turbine on which the regulating system is mounted. The at least one mounting element (5) is attached to the frame (6). The frame (6) is provided with at least two predetermined attachment positions (11), each of which is adapted to attach a mounting element (5) thereto. The radiator module (3) can thereby be configured to match a plurality of wind turbine models by selectively attaching a mounting element (5) to each selected attachment position (11) selected from the at least two predetermined attachment positions (11).
Absstract of: GB2635162A
Motion of a floating body 10 is damped by anchoring a piston 34 with a sea anchor 38 to restrict movement of the piston, permitting greater movement of a chamber 32 that surrounds the piston and is fixed to the body, but braking the resulting relative movement between the chamber and the piston by displacement of fluid in the chamber. Thus, a motion damper 24 has a brake structure that comprises a submerged sea anchor suspended in a water column and connected to a piston. The piston is movable within an elongate chamber that is in fixed relation to the floating body and that contains a fluid such as water. The sea anchor is connected to the piston by means of a link 40.
Absstract of: EP4549307A1
A floating structure (5) for offshore wind power generation comprises a floating base (10) where a windmill tower (1) is disposed in a standing manner and that is divided into a plurality of air chambers (11); and an air amount adjustment unit (20) that adjusts air amounts in the air chambers (11) that oppose each other with a center of the floating base (10) therebetween. Each of the air chambers (11) includes an open bottom portion and a soft film body (16) in a slackened state that partitions an inside of the air chamber (11) into an air layer (17) and a water layer (18). Therefore, the floating structure (5) is one whose installation location is not limited, that provides excellent stability, and that is also suitable for use in extra-large-scale wind power generation of 20 MW or greater.
Absstract of: EP4549696A1
An offshore hydrocarbon production system is provided with:- an offshore floating assembly (6) having a floating unit (12) provided with a renewable power source (13) to generate electric power and a back-up power source (15);- an underwater hydrocarbon production facility (4), which is located on the bed (2) of a body of water (3) and is electrically powered by the renewable power source (13) and/or the back-up power source (15);- a power circuit having a power management device (16) connected to the renewable power source (13), the back-up power source (15) and the underwater hydrocarbon production facility (4); and- a control circuit having a master control unit (21) connected to the power management device (16) and the underwater hydrocarbon production facility (4) for balancing the production of electric power and the demand of electric power.
Absstract of: AU2023296353A1
The invention relates to a device for limiting interactions between animals and a structure comprising rigid elements, the device comprising, on the surface of such a rigid element, at least one electroacoustic transducer (30) for transmitting mechanical vibrations at at least one frequency, in a motion perpendicular to the surface of this rigid element, each transducer being connected to this rigid element by a rigid connection (32, 33, 34) configured to transmit these mechanical vibrations to the surface of the rigid element, the mechanical energy transmitted into the rigid element of the structure being greater than the mechanical energy directly transmitted by the electroacoustic transducer into the surroundings of this rigid element, this rigid element diffusing these mechanical vibrations into the surroundings of the structure.
Absstract of: EP4549729A1
Method for replacing a previously installed blade bearing (1) with a replacement blade bearing (2) in a wind turbine (3), comprising the steps of- orienting a rotatable component (4) of the wind turbine (3) into a service position (5), in which the previously installed blade bearing (1) is arranged at the lower side of the rotatable component (4),- disconnecting a rotor blade (6) from the previously installed blade bearing (1) and lowering the rotor blade (6) to create a free space (7) below the previously installed blade bearing (1),- installing a service platform (8) within the free space (7) by attaching connecting means (9) for the service platform (8) to the rotatable component (4) and/or at least one supporting component (10) of the wind turbine (3) in such a way, that the weight of the service platform (8) is at least partially supported by the rotatable component (4) and/or supporting component (10),- unmounting the previously installed blade bearing (1) from the rotatable component (4) and mounting the replacement blade bearing (2) to the rotatable component (4), wherein the previously installed blade bearing (1) is located on the service platform (8) during and/or after its unmounting and/or wherein the replacement blade bearing (2) is located on the service platform (8) before and/or during its mounting, and- uninstalling the service platform (8) and connecting the rotor blade (6) to the replacement blade bearing (2).
Absstract of: EP4550657A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Windenergieanlagengenerators (12) in einem Heizbetrieb, wobei der Windenergieanlagengenerator (12) einen Rotor (16) und einen Stator (14) aufweist und der Stator (14) ein erstes Dreiphasensystem (32a) mit drei ersten Strängen (36a, 36b, 36c) und ein zweites Dreiphasensystem (32b) mit drei zweiten Strängen (36d, 36e, 36f) aufweist. Der Rotor (16) ist eingerichtet, ein Magnetfeld zu erzeugen und während einer Rotation mit dem Magnetfeld einen elektrischen Strom in das erste Dreiphasensystem (32a) und das zweite Dreiphasensystem (32b) einzuprägen. Das erste Dreiphasensystem (32a) weist mindestens einen ersten Schalter (54a, 54b, 54c, 54d, 54e, 54f, 64) zum Kurzschließen der ersten Stränge (36a, 36b, 36c) in einem geschlossenen Zustand (60) und zum Leerlaufenlassen der ersten Stränge (36a, 36b, 36c) in einem geöffneten Zustand (56) auf und das zweite Dreiphasensystem (32b) weist mindestens einen zweiten Schalter (54a, 54b, 54c, 54d, 54e, 54f, 64) zum Kurzschließen der zweiten Stränge (36d, 36e, 36f) in einem geschlossenen Zustand (60) und zum Leerlaufenlassen der zweiten Stränge (36d, 36e, 36f) in einem geöffneten Zustand (56) auf. Der Heizbetrieb umfasst eine erste Phase (70), wobei in der ersten Phase (70) der erste Schalter (54a, 54b, 54c, 54d, 54e, 54f, 64) in den geschlossenen Zustand (60) und der zweite Schalter (54a, 54b, 54c, 54d, 54e, 54f, 64) in den geöffneten Zustand (56) oder der erste Schalter (54a
Absstract of: EP4549728A1
A method of operating a floating wind turbine (FWT) is provided. The floating wind turbine (100) comprises a nacelle (105) and a rotor (101) mounted to the nacelle (105), wherein the floating wind turbine (100) is exposed to waves during operation, the waves causing a wave induced motion of the floating wind turbine (100). The floating wind turbine (100) is configured to operate a protective function (30). The method comprises obtaining wave information (17) indicative of the waves to which the floating wind turbine (100) is exposed and modifying the operation of the protective function (30) using the obtained wave information (17) to reduce an influence of the wave induced motion of the floating wind turbine (100) on the protective function (30).
Absstract of: EP4549732A1
Es wird ein Windenergieanlagen-Rotorblatt (200) vorgesehen, das einen Rotorblattwurzelbereich (200a), einen Rotorblattspitzenbereich (200b), eine Rotorblattspitze (240), eine Druckseite (200c), eine Saugseite (200d), eine Luftführung (210) für erwärmte Luft mit einem ersten Ende (210a) an dem Rotorblattwurzelbereich (200b) und einem zweiten Ende (210b) an dem Rotorblattspitzenbereich (200b), und mindestens einen Wärmeübertrager (400) zwischen dem zweiten Ende (210b) der Luftführung (210) und dem Rotorblattspitzenbereich (200b) oder der Rotorblattspitze (240) aufweist.
Absstract of: EP4549727A1
The invention describes a wind turbine drivetrain (2) comprising a low-speed shaft (201); a high-speed assembly (211, 212) comprising a planetary gearbox (211) and a generator (212); a coupling assembly (1) comprising a first annular part (11) connected to the low-speed shaft (201), a second annular part (12) connected to a first stage (212) of the planetary gearbox (211), and a cylindrical intermediate part (13) extending between the annular parts (11, 12), a drivetrain housing (1H, 2H) arranged to enclose the low-speed shaft (201) and the coupling assembly (1); characterized by an outer access opening (1HA) formed in the drivetrain housing (1H); and an inner access opening (13A) formed in the intermediate part (13) of the coupling assembly (1) and arranged to align with the outer access opening (1HA) to facilitate access to the interior of the coupling assembly (1). The invention further describes a method of performing a maintenance procedure on such a wind turbine drivetrain (2).
Absstract of: EP4549773A1
The invention describes a damper (1) mounted about a component (22, 23, 24, 25), which damper (1) comprises an enclosing structure (11) shaped to fit about the component (22, 23, 24, 25); an interior cavity (10) defined by the enclosing structure (11) and a surface (231S, 225, 25S) of the component (22, 23, 24, 25); and a quantity of energy-absorbing material (15) in the interior cavity (10) of the damper (1), which energy-absorbing material (15) comprises a particulate matter, preferably a particulate matter with irregular particle shapes. The invention further describes a method of assembling such a damper, and a wind turbine comprising a number of such dampers.
Absstract of: EP4549135A1
A method of manufacturing a wind turbine blade (10) is provided, the method comprising a reinforcing structure , the wind turbine having a profiled contour including a pressure side (36) and a suction side (38), and a leading edge (18) and a trailing edge (20) with a chord having a chord length extending therebetween, the wind turbine blade (10) extending in a spanwise direction between a root end (16) and a tip end (14), the method comprising the steps of: providing a blade shell mould (44), arranging a plurality of blade shell components (41-57) in the blade shell mould (44), assembling of the reinforcing structure (62) in the blade shell mould (44) , the reinforcing structure (62) comprising a plurality of strips (63) of fibre material arranged into adjacent stacks (65) of strips, wherein the step of assembling of the reinforcing structure in the blade shell mould comprises pre-assembling a plurality of building blocks (65), each building block comprising a plurality of the strips (63) of fibre material formed into a stack, and at least one interlayer (70) disposed in between neighbouring strips in the stack. A method of manufacturing a reinforcing structure, a reinforcing structure, a wind turbine blade and a modular system for manufacturing a reinforcing structure for a wind turbine blade are also provided. Improved aerodynamic performance of the wind turbine blade is achieved.
Nº publicación: EP4549726A1 07/05/2025
Applicant:
SIEMENS GAMESA RENEWABLE ENERGY AS [DK]
Siemens Gamesa Renewable Energy A/S
Absstract of: EP4549726A1
A hub hydraulic assembly for a wind turbine rotor that comprises plural support structures (11, 12) distributed circumferentially about a rotation axis (104) of the hub (100) is provided. In a first angular section (111) of the circumferential distribution, a first support structure (11) is provided and in a second different angular section (112) of the circumferential distribution, a second support structure (12) is provided. The first support structure (11) comprises at least a first support cantilever (20) having a mounting end (21) configured to be mounted to the hub (100) and a free end (22), wherein at least one hydraulic component (30) of the hub hydraulic assembly (10) is mounted to the first support cantilever (20). The second support structure (12) comprises at least a second support cantilever (20) having a mounting end (21) configured to be mounted to the hub (100) and a free end (22), wherein at least one hydraulic component (30) of the hub hydraulic assembly (10) is mounted to the second support cantilever (20).
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