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417
results.
Updated on
07/11/2025 [07:05:00]
Absstract of: DE102025001479A1
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Erzeugung von Wärme, bei dem eine mechanische Bewegung aus Wind, Wellen oder Wasserströmung dazu verwendet wird, einen Kompressor zu betreiben und die Abwärme des Kompressors genutzt wird.
Absstract of: AU2025252649A1
MARKED UP COPY A machine (101) including a vertical rotatable shaft (4b) levitated by magnets (5) so as to minimize frictional losses. Magnets (5) are arranged on the machine body (7) and/or the shaft (4b) of the machine (101) to thereby exert a repelling force so that the rotating shaft (4b) is uplifted against gravitational forces. The machine (101) may additionally or alternatively incorporate a magnetic bearing (6), a variable inertia flywheel (24), a magnetic gear (29), and/or a magnetic clutch (19). The magnetic gear (29) may incorporate arrow shaped magnets (28). (FIG. 2) A machine (101) including a vertical rotatable shaft (4b) levitated by magnets (5) so as to minimize frictional losses. Magnets (5) are arranged on the machine body (7) and/or the shaft (4b) of the machine (101) to thereby exert a repelling force so that the rotating shaft (4b) is uplifted against gravitational forces. The machine (101) may additionally or alternatively incorporate a magnetic bearing (6), a variable inertia flywheel (24), a magnetic gear (29), and/or a magnetic clutch (19). The magnetic gear (29) may incorporate arrow shaped magnets (28). (FIG. 2) ct c t m a c h i n e ( ) i n c l u d i n g a v e r t i c a l r o t a t a b l e s h a f t ( b ) l e v i t a t e d b y m a g n e t s ( ) s o a s t o m i n i m i z e f r i c t i o n a l l o s s e s a g n e t s ( ) a r e a r r a n g e d o n t h e m a c h i n e b o d y ( ) a n d o r t h e s h a f t ( b ) o f t h e m a c h i n e ( ) t o t h e r e
Absstract of: DE102024112468A1
Die vorliegende Offenbarung stellt ein Antriebssystem (200) für eine Windturbine (100) bereit, das einen Elektromotor (50) mit einer Vielzahl von Wicklungen (5) umfasst. Der Elektromotor kann in mindestens zwei verschiedenen Betriebsmodi betrieben werden, wobei verschiedene Wicklungskonfigurationen (5a, 5b, 5c) in verschiedenen Betriebsmodi mit elektrischem Strom versorgt werden. Das Antriebssystem umfasst ferner einen Stromrichter (150), der elektrisch mit der Vielzahl von Wicklungen des Elektromotors verbunden werden kann. Der Stromrichter ist so konfiguriert, dass er den Elektromotor in mindestens einigen der verschiedenen Betriebsmodi betreibt. Das Umschalten zwischen mindestens einigen der verschiedenen Betriebsmodi wird durch den Stromrichter ermöglicht.
Absstract of: DE102024112440A1
Eine segmentierte Gleitlageranordnung (1), insbesondere in einer Windkraftanlage (10), umfasst mindestens ein segmentiertes Gleitlager (2, 3), dessen Gleitlagersegmente (8, 9) an einem Lagergehäuse (4) gehalten sind, wobei durch das Lagergehäuse (4) voneinander abweichende Montageschemata (Ma, Mk, Mr), in welchen die einzelnen Gleitlagersegmente (8, 9) montierbar sind, vorgegeben sind.
Absstract of: DE102024204159A1
Die Erfindung bezieht sich auf eine Prüfvorrichtung zur mechanischen Prüfung eines balkenförmigen Prüflings (1), insbesondere eines Rotorblatts, umfassend eine in einem Spannfeld (3) verankerte Einspannvorrichtung (2) zum Einspannen des balkenförmigen Prüflings an einer Einspannstelle (1') des balkenförmigen Prüflings, einen oder mehrere mit dem balkenförmigen Prüfling verbundene Ankoppelelemente (4A, 4F), insbesondere Lastrahmen, ein oder mehrere mit je einem Ankoppelelement verbundene aktive Lasteinleitungsmittel (5A, 5B), sowie ein oder mehrere mit je einem Ankoppelelement verbundene passive Lasteinleitungsmittel, von denen wenigstens eines eine mit dem Spannfeld verbundene Federeinrichtung aufweist, wobei die Federeinrichtung ein Federmodul (14) mit mehreren, insbesondere gleichartigen, mechanisch zueinander parallelgeschalteten Federelementen (14A, 14B, 14C, 14D, 14E, 14F, 14G, 14H, 14i, 14J) aufweist. Durch die Verwendung eines Federmoduls wird die Prüfvorrichtung flexibel an die individuelle Prüfsituation anpassbar.
Absstract of: WO2024183940A1
Pre-assembled busbar module for mounting to a stator of a generator of a wind turbine, comprising: - multiple busbars spanning an angle interval to be covered at the stator, - multiple busbar support devices, to which the busbars are mounted, distributed over the angle interval, - a mechanical interface for mounting the pre-assembled busbar module to a mounting surface of the stator, and - an electrical interface for electrically connecting the busbars to stator windings of the stator.
Absstract of: WO2024141248A1
According to an embodiment, the method is for operating a wind turbine (100) having a rotor (10) with N rotor blades (1, 2, 3), wherein N ≥ 2. The wind turbine further comprises a pitch setting system (13) for individually setting the pitch angles (β_i) of the rotor blades. The method comprises a step in which first information (I1) is determined, wherein the first information is representative for whether an edge-wise movement of at least one rotor blade exceeds a threshold while the rotor is rotating with a frequency P. If this is the case, an output signal (OS) is generated which is configured to cause the pitch setting system to individually and periodically change the pitch angles of the N rotor blades each with a frequency of (M*N-1)*P in order to reduce edge-wise movements of the rotor blades, wherein M is an integer greater than zero.
Absstract of: CN120457621A
A superconducting machine includes a vacuum vessel, at least one superconducting coil disposed within the vacuum vessel, and a cooling system for cooling the at least one superconducting coil. The cooling system includes a torque transmitting member secured to an inner wall of the vacuum vessel, at least one superconducting coil secured to the torque transmitting member. The cooling system also includes a cryocooler external to the vacuum vessel, the cryocooler including a forced flow cooling system. The cooling system also includes at least two cooling tubes for supply and return of refrigerant, the at least two cooling tubes being thermally coupled between the cryocooler and the at least one superconducting coil. By operating the cooling system, the cryocooler supplies refrigerant to the at least one superconducting coil via the at least two cooling tubes.
Absstract of: CN120418070A
A method of manufacturing a rotor blade of a wind turbine using a mold assembly includes placing a first blade segment in a reusable mold portion; placing and securing a reusable spar fixture within the custom intermediate mold portion; placing the spar cap on top of the custom intermediate mold portion and the reusable spar fixture; placing the blade skin in the custom intermediate mold portion and/or around a portion of the spar cap; placing a second blade segment around a portion of the spar cap; aligning the first blade segment with a first end of the blade skin; aligning the second end of the blade skin with the first end of the second blade segment; providing a vacuum only within the custom intermediate mold portion; the blade skin is infused with a resin to join the first blade segment, the blade skin, and the second blade segment together to form the rotor blade.
Absstract of: EP4644692A2
A wind turbine blade is disclosed. The wind turbine blade comprises a core material, a first fibre reinforced plastic, a shear web comprising a second fibre reinforced plastic and an adhesive. The shear web is adhered to the blade shell with the adhesive and the first fibre reinforced plastic, the second fibre reinforced plastic, and adhesive each comprise an acid breakable epoxy polymer. Wherein the properties of the acid breakable epoxy polymer of a first component are different from properties of the acid breakable epoxy polymer of a second component, the components being the first fibre reinforced plastic, the second fibre reinforced plastic or the adhesive. Further disclosed is a method of disassembling such a wind turbine blade by exposing the wind turbine blade to an acid to cause the acid breakable epoxy polymer to disintegrate into particles of swelled epoxy polymer; and recovering fibres from the first fibre reinforced plastic and/or the second fibre reinforced plastics.
Absstract of: EP4644690A2
A crane comprising a base portion, two arms displaceably connected to the base portion and a lifting boom displaceably connected to the base portion, said lifting boom being provided with a lifting wire and a lifting member, for example a lifting hook, for lifting a load, wherein the two arms and the base portion in combination comprise at least three tower flange connection elements arranged to be detachably connectable to cooperating crane connection elements on a flange of a wind turbine tower section, wherein each arm comprises one of the tower flange connection elements, and wherein the vertical distance between any two tower flange connection elements in the normal operating position of the crane is less than 1m, less than 50cm or less than 25cm. In this way a crane is provided which can be attached to a flange located at the upper portion of a tower section.
Absstract of: EP4644689A2
Provided herein are detection systems and related for detecting moving objects in an airspace surrounding the detection system. In an aspect, the moving object is a flying animal and the detection system comprises a first imager and a second imager that determines position of the moving object and for moving objects within a user selected distance from the system the system determines whether the moving object is a flying animal, such as a bird or bat. The systems and methods are compatible with wind turbines to identify avian(s) of interest in airspace around wind turbines and, if necessary, take action to minimize avian strike by a wind turbine blade.
Absstract of: WO2025008170A1
The present invention relates to a stator (100) for a wind turbine generator (150). The stator (100) comprises a stator segment (110) having cooling openings (111) for guiding air (101) through the stator segment (110) along a radial direction (152) of the wind turbine generator (150), and an air collecting cap (102) arranged at a radially inner surface of the stator segment (110), wherein the air collecting cap (102) forms an air collecting volume (Vc) for collecting air (101) streaming though the cooling openings (111). The air collecting cap (102) comprises plastic material. The stator (100) further comprises an air guiding channel (103), wherein the air guiding channel (103) is coupled to the air collecting cap (102) for guiding air (101) from the air collecting volume (Vc) through an air opening (105) into the air guiding channel (103). The air guiding channel (103) is configured for guiding the collected air (101) outside of the stator segment (110).
Absstract of: AU2024291100A1
The invention relates to an energy supply system (20) for coupling to a wind turbine (30) used in island mode, wherein the wind turbine (30) is configured to operate an electrolysis system (11) for producing green hydrogen using wind energy, wherein the energy supply system (20) has a solar energy source (21), comprising a photovoltaic module (22) and/or a solar thermal collector (23), which is configured to supply the electrolysis system (21), in particular an enclosure (12) and water-conducting lines of electrolysis units of the electrolysis system (11), with thermal energy in the event of the absence of wind energy. The invention also relates to a corresponding method for supplying solar energy to a wind turbine (30) used in island mode.
Absstract of: WO2024251514A1
The invention relates to a system for generating energy in open water, in which an offshore wind turbine WEA is releasably connected to a marine vehicle FPSO, which comprises a transformer device TR for converting into lower and/or higher electrical voltage, an electrolysis device ES for generating hydrogen H2, and a tank T for storing the hydrogen. The invention advantageously provides for dynamic changes between the operating modes of storage and transmission, redundancy and maintainability.
Absstract of: EP4644721A1
The invention describes a rotor lock (10) of a rotor brake assembly (1), which rotor lock (10) comprises a bolt (10B) arranged in a stationary sleeve (105); an actuator (17) adapted to extend and retract the bolt (10B) in an axial direction; a position indicator assembly (101, 102) comprising a position indicator (101) and a sliding component (102), arranged such that an axial motion of the bolt (10B) results in an identical axial motion of the position indicator assembly (101, 102); and a position sensor (S1, S2) mounted to the sleeve (105) and arranged to detect the position indicator (101) when the bolt (10B) is fully extended; characterized in that the bolt (10B) is free to turn relative to the sliding component (102) of the position indicator assembly (101, 102). The invention further describes a brake assembly (1) for a rotor (2R) comprising at least one such rotor lock (10).
Absstract of: EP4644691A1
Es ist ein Antriebsstrang (14) für eine Windkraftanlage (10) vorgesehen mit einer Ausgangswelle (44) zur Übertragung eines von einem Windrotor (12) stammenden windkraftgenerierten Drehmoments, einem Rotor (46), einem von dem Rotor (46) nach radial innen abstehenden Rotorträger (52) und einer mit dem Rotorträger (52) und der Ausgangswelle (44) drehfest verbundenen Zwischenwelle (50), wobei die Zwischenwelle (50) mit der Ausgangswelle (44) verpresst ist und/oder die Zwischenwelle (50) mit der Ausgangswelle (44) über eine radial verlaufende Stiftverbindung (68) befestigt ist, wobei ein Stift (70) der Stiftverbindung (68) in radialer Richtung vollständig in der Zwischenwelle (50) und der Ausgangswelle (44) versenkt aufgenommen ist. Durch das Verpressen beziehungsweise das Verstiften der Zwischenwelle (50) mit der Ausgangswelle (44) ist nicht nur die Montagefreundlichkeit des Antriebsstrangs (14) verbessert, sondern auch eine Anpassung der Geometrie der Zwischenwelle (50) in radialer Richtung über einen größeren Bereich ermöglicht, um auftretende Schwingungen im Drehmomentfluss des Antriebsstrangs (14) stärker zu reduzieren.
Absstract of: AU2024285623A1
Battery arrangement for stand-alone wind turbine An arrangement including in a wind turbine (100) in an island mode. The wind turbine includes a battery placed at a support structure of a wind tower, and an electrolyzer. The battery is electrically connected to a generator of the wind turbine and to the electrolyzer. The electrolyzer is further connected to the generator. During an operational mode of the electrolyzer (200), the generator (102) supplies energy to the electrolyzer (200) via the connection between the electrolyzer (200) and the generator (102), and during a ready mode of the electrolyzer (200), the battery (502) supplies energy to the electrolyzer (200).
Absstract of: WO2024188810A1
Securing arrangement for securing several wind turbine tow- ers, adapter for a securing arrangement, tower arrangement, and method for securing several wind turbine towers Securing arrangement for securing several wind turbine towers (3) being in an erected state and located adjacently to each other, comprising at least one adapter (8) being removably attachable to one of the wind turbine towers (3) and at least one counteracting means (9, 12, 14) being connected or connectable with the adapter (8), wherein, regarding a state of the adapter (8) being attached to the respective wind turbine tower (3) and of the counteracting means (9, 12, 14) being connected with the adapter (8), the counteracting means (9, 12, 14) is adapted to be connected with another wind turbine tower (3) and/or to interact with a further counteracting means (9, 12, 14) being connected with another wind turbine tower (3) such that a relative movement between these wind turbine towers (3) is counteracted by the counteracting means (9, 12, 14).
Absstract of: CN120419064A
A method for controlling a power converter of a grid connection configured to supply power from a power source to a grid, the method comprising: determining a grid voltage reference (PrefVMP) for controlling the power converter; controlling a first power component supplied by the power converter to the grid by controlling the power converter (202) using a first grid formation controller configured to control an output voltage towards the grid voltage reference (PrefVMP), a first grid formation controller operating according to a first grid formation algorithm configured to output a first voltage component for supplying the first power component to the grid; controlling a second power or voltage component supplied by the power converter to the grid by controlling the power converter using a second grid formation controller operating in parallel with the first grid formation controller, the second grid formation controller operating according to a second grid formation algorithm, a second grid formation algorithm configured to output a second voltage component for supplying the second power or voltage component to the grid; combining the second output voltage component of the second grid forming algorithm with the first output voltage component of the first grid forming algorithm; and operating the power converter according to a combined output voltage from the first grid forming controller and the second grid forming controller.
Absstract of: CN120419097A
The invention relates to a method for controlling wind turbine transients. The wind turbine generator includes a power converter including a machine-side converter and a line-side converter and a DC link. A grid voltage reference for controlling the line-side converter is determined, and the power (PLsc) supplied to the grid is controlled by the line-side converter using a grid formation controller. The machine-side converter and the generator are controlled according to the power reference (PMsc). An error between the measured DC link voltage value and a DC link reference value is determined, and a voltage correction component is derived in response to the error signal. The voltage correction component is added to an output voltage of the grid formation control, and the line-side converter is operated according to the combined output voltage.
Absstract of: WO2024141287A1
The present invention relates to a mooring system (5) for a floating structure (3), preferably a floating wind turbine platform, wherein the mooring system (5) comprises at least one mooring line (51) made of a synthetic material and without any chain section.
Absstract of: WO2024141265A1
According to an embodiment, the method is for operating a wind turbine (100) having a rotor (10) with at least one rotor blade (1, 2, 3) and a rotor speed setting system (13, 14) for setting the speed of rotation of the rotor. The method comprises a step of providing first information (I1) which is representative for whether an edge-wise movement of at least one rotor blade exceeds a threshold while the rotor is rotating. If this is the case, an output signal is generated, wherein the output signal is configured to cause the rotor speed setting system to change the speed of rotation of the rotor without stopping rotation of the rotor in order to reduce the edge-wise movement of the at least one rotor blade.
Nº publicación: EP4643016A1 05/11/2025
Applicant:
SIEMENS GAMESA RENEWABLE ENERGY AS [DK]
Siemens Gamesa Renewable Energy A/S
Absstract of: WO2024160408A1
The invention relates to lightning detection system (10) for detecting a lightning strike position and a lightning strength for a wind turbine (11), comprising: A lightning sensor unit (12) for detecting lightning strikes and collecting lightning data (27) of said lightning strikes, said lightning sensor unit (12) being mountable on a tower (13) of the wind turbine (11); at least one lightning strike counter (14) for collecting strike data (28) on a lightning strike count and a lightning strike time, when the energy of the lightning strike exceeds a certain threshold value, said at least one lightning strike counter (14) being mountable on a down conductor (15) on at least one blade (16) of the wind turbine (11); a processing unit (17) for collecting the lightning data (27) of the lightning sensor unit (12) and the strike data (28) of the at least one lightning strike counter (14) for processing the data to determine the position of the lightning strike.
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