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LOUVER

Resumen de: US2025146703A1

A louver adapted to be fixated to a nacelle of a wind turbine is provided, including a rectangular frame having a bottom frame part, a top frame part and two side frame parts, and a number of louver blades extending between the side frame parts, characterized in that each louver blade consists of at least two blade parts connected via respective connection interfaces provided at the blade parts, wherein at least one gutter for catching a fluid is provided at one of the blade parts.

Method for extracting harmonic response of offshore wind power

Resumen de: US2025148160A1

A method for extracting harmonic response from offshore wind turbine structure, including: F1, continuously collecting its acceleration response under non-operating conditions, obtaining the acceleration response signal of the tower under only environmental load, and cropping all collected signals into signal segments with a length of L; F2, using Fourier transform to convert all signal segments from the time domain to the frequency domain, obtaining the frequency spectrum of the signal P; F3, according to the maximum rotational speed P, either designed or recorded by the SCADA system, determining the maximum harmonic response frequency Fmax=N×P, 1≤N≤12 to be extracted, and cropping the individual frequency spectrum into three segments P1, P2, P3, corresponding to frequency ranges of 0 ̃F1, F1 ̃F2, F2 ̃F3, where the selected frequency F1 is not less than Fmax; F4, cropping all frequency spectra according to F3 to form a frequency spectral dataset D without harmonic excitation effects.

METHOD AND DEVICE FOR OPERATING A WIND TURBINE GENERATOR IN A HEATING PLANT

Resumen de: US2025151169A1

The disclosure relates to operating a wind turbine generator during heating operation that includes a rotor and a stator. The stator includes a first three-phase system with three first drivetrains and a second three-phase system with three second drivetrains. The rotor is configured to generate a magnetic field and inject an electric current into the first and second three-phase systems during a rotation with the magnetic field. The first three-phase system includes a first switch for short-circuiting the first drivetrains in a closed state and idling them in an open state. The second three-phase system includes a second switch for short-circuiting the second drivetrains in a closed state and idling them in an open state. The heating operation includes a first phase in which the first switch is switched to the closed state and the second switch is switched to the open state, or vice-versa.

TRAILER

Resumen de: AU2024227506A1

A trailer 1/la/lb configured to be towed by an electric vehicle 2. The trailer 1/la/lb has an electric vehicle battery 13, and the trailer 1/la/lb includes a rechargeable trailer battery 12, a wheel motion energy generation device 11, a secondary energy generation device, an external power connector 20, and a control system 3. The secondary energy generation device includes any one or combination of a solar energy generation device 9, and, a wind energy generation device 10. The external power connector 20 is adapted to be electrically connected to a grid power supply or other external power source. The control system 3 is configured to control charging of said electric vehicle battery 13, and, charging of said rechargeable trailer battery 12. The charging of each said battery 12 and 13 is controlled based on relative energy levels of each said battery 12 and 13, energy received via said external power connector 20, and, energy generated by each of said energy generation devices 9, 10 and/or 11. Fig. 3 CN >UJ C'4 wrw 4uJ 4-D 4- u U) 4- CD+ I T- 0 4 c m T WUa) LU wa

MOVING WIND TURBINE BLADE INSPECTION

Resumen de: US2025150559A1

A method for imaging a region of a moving blade of a wind turbine includes using a wider field-of-view (WFoV) camera to capture a plurality of WFoV images of at least part of the moving blade in a field-of-view (FoV) of the WFoV camera, determine a trigger time when an edge of the moving blade to calculate one or more NFoV image capture times when the edge of the moving blade, or a body of the moving blade, is, or will be, in the FoV of a NFoV camera, and using the NFoV camera to capture one or more NFoV images. The one or more NFoV images of the region of the moving blade may be analysed to identify any damage or defects in the moving blade without any need to interrupt the motion of the blades of the wind turbine.

Pairing of Components in a Direct Current Distributed Power Generation System

Resumen de: US2025150032A1

A method of signaling between a photovoltaic module and an inverter module. The inverter module is connected to the photovoltaic module. In an initial mode of operation an initial code is modulated thereby producing an initial signal. The initial signal is transmitted from the inverter module to the photovoltaic module. The initial signal is received by the photovoltaic module. The operating mode is then changed to a normal mode of power conversion, and during the normal mode of operation a control signal is transmitted from the inverter to the photovoltaic module. A control code is demodulated and received from the control signal. The control code is compared with the initial code producing a comparison. The control command of the control signal is validated as a valid control command from the inverter module with the control command only acted upon when the comparison is a positive comparison.

MOTOR CORE MANUFACTURING METHOD, POWER GENERATOR MANUFACTURING METHOD, MOTOR CORE, AND POWER GENERATOR

Resumen de: US2025149930A1

A method of manufacturing a motor core includes preparing a plurality of electromagnetic steel sheets, peening an entire surface of at least one of a first and a second main surfaces of an electromagnetic steel sheet selected from the electromagnetic steel sheets, and forming a stack using the electromagnetic steel sheets including the electromagnetic steel sheet peened.

接合構造、及び接合方法

Resumen de: JP2025071551A

【課題】本願発明の課題は、従来技術が抱える問題を解決することであり、すなわち浮体と風車部を接合する際に生じる運動エネルギーを従来に比してより緩和することができる低コストかつ容易に立起こすことができる接合構造、及び接合方法を提供することである。【解決手段】本願発明の接合構造は、浮体式洋上風力発電施設を構成する浮体と風車部との接合構造であって、嵌入凸部と嵌入孔、衝撃緩衝材を備えたものである。このうち嵌入凸部は風車部の底部に設けられ、嵌入孔は浮体の頂部に設けられ、衝撃緩衝材は嵌入孔の内周面（あるいは、嵌入凸部の外周面）に取り付けられる。嵌入孔に嵌入凸部を嵌入すると、海中に配置された浮体と、浮体の上方に配置された風車部が接合される。そして、嵌入孔に嵌入凸部を嵌入するときの運動エネルギーが、衝撃緩衝材によって緩和される。【選択図】図４

LOAD BEARING STRUCTURE FOR SELF-ERECTING ASSEMBLY TOWER SYSTEM

Resumen de: WO2025096138A1

Methods and systems for managing loads during assembling or disassembly of a wind turbine component, with a load bearing structure added to the towers. In an embodiment, a system for assembling one or more tower sections, can include a tower base, a tower comprising the one or more tower sections, wherein a first tower section of the one or more tower sections is placed on top of the tower base, and a load bearing structure, wherein the load bearing structure is substantially perpendicular to the tower base. An assembly platform can be configured to place additional tower sections of the one or more tower sections on top of the first tower section and the tower base.

Lageranordnung mit Kraftsensorik

Resumen de: 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.

Nabenanordnung für eine Windenergieanlage

Resumen de: 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.

GEARBOX CABLE MOUNTING ASSEMBLY, GEARBOX AND WIND POWER GENERATION SYSTEM

Resumen de: WO2025092347A1

Provided in the present application are a gearbox cable mounting assembly, a gearbox and a wind power generation system. The gearbox cable mounting assembly comprises a first mounting tube, a second mounting tube and a first connector. The first mounting tube is provided with a first accommodating cavity that runs therethrough in the axial direction, the second mounting tube running through the first accommodating cavity. The second mounting tube is provided with a second accommodating cavity that runs therethrough in the axial direction, the second accommodating cavity being used for accommodating a cable. The first connector is arranged at an end of the first mounting tube; the first connector comprises a main body, wherein the main body is a rotating member having a rotating cavity, the rotating cavity being in communication with the second accommodating cavity, and the wall of the rotating cavity sealingly abutting against the outer wall of the first mounting tube and the end face of the second mounting tube; and the main body is radially connected to the first mounting tube. A stopping portion on the main body is arranged to block the end face of the second mounting tube, the stopping portion being connected to the second mounting tube in the axial direction of the first mounting tube. Thus, the quantity of oil entering the second accommodating cavity can be reduced, preventing oil corrosion of the cable located in the second accommodating cavity.

METHOD AND DEVICE FOR MAPPING OPERATING CONDITIONS OF MINI WIND TURBINES

Resumen de: WO2025093792A1

The invention describes a device (2) and a computer-implemented method for mapping operating conditions of mini wind turbines, comprising the following steps: - receiving records of the operation of a mini wind turbine (1); - forming a map of operating conditions of the mini wind turbine (1) using the received records, the records being included in the map as recorded points, according to the following particularities: any record inconsistent with a reference state of the mini wind turbine (1), corresponding to the moment at which the method is initiated, is discarded and, consequently, not included in the map; and when a record is received that is consistent with the reference state but inconsistent with the map formed up to that point, new records stop being included in the map and mapping finishes.

VARIABLE PITCH SYSTEM, WIND TURBINE GENERATOR SET, AND WIND FIELD

Resumen de: WO2025092936A1

A variable pitch system, a wind turbine generator set, and a wind field. The variable pitch system comprises: a variable pitch cylinder (118), provided with a rod cavity, a rodless cavity and a piston rod; a pitch control unit (1), arranged between an oil source and the variable pitch cylinder (118), wherein the pitch control unit (1) is separately communicated with the rod cavity and the rodless cavity, so that by switching the flow directions of the oil inlet and outlet paths of the rod cavity and the rodless cavity, the piston rod of the variable pitch cylinder (118) stretches out or retracts so as to perform pitch adjustment on blades; and a pitch angle holding unit (2) connected between one of the rod cavity and the rodless cavity, and the oil source, wherein the pitch angle holding unit (2) can supply oil for said one of the rod cavity and the rodless cavity and close the oil supply and return path of the other of the rod cavity and the rodless cavity, so that the piston rod keeps still, so as to keep the blades at a predetermined pitch angle. By means of a hydraulic system, the blades of a wind turbine generator set are locked at a predetermined angle, so that the wind turbine generator set can also keep the blades at a predetermined pitch angle in a power-off state.

OFFSHORE HYDROCARBON PRODUCTION SYSTEM

Resumen de: WO2025093931A1

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.

DAMPING MOTION OF A FLOATING BODY

Resumen de: WO2025093930A1

Motion of a floating body is damped by anchoring a piston with a sea anchor to restrict movement of the piston, permitting greater movement of a chamber 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 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.

ASSEMBLING TOOL, AND CONSTRUCTION METHOD FOR WIND TURBINE GENERATOR SYSTEM

Resumen de: WO2025092939A1

An assembling tool (600), and a construction method for a wind turbine generator system. The assembling tool (600) is used for assembling a hub (1) and blades (2), and the assembling tool (600) comprises: a main support member (10), which has a predetermined height in a first direction (X), wherein one end of the main support member (10) in the first direction (X) is configured to support the hub (1), and the other end is configured to connect to a carrier; and an auxiliary docking member (20), which comprises an adjustment assembly (22) and a clamping assembly (21), wherein the clamping assembly (21) is provided with a clamping cavity (21a) running therethrough in a second direction (Y) so as to accommodate and fix the blades (2), and the adjustment assembly (22) is connected to the clamping assembly (21) and can adjust the relative position of the clamping assembly (21) to the main support member (10) in at least two directions, so as to align the blades (2) with the hub (1), the second direction (Y) intersecting the first direction (X).

PITCH CHANGE CONTROL METHOD FOR WIND TURBINE, AND WIND TURBINE

Resumen de: WO2025092081A1

A pitch change control method for a wind turbine, and a wind turbine. The pitch change control method comprises: on the basis of power data of a wind turbine, determining a corresponding blade roughness coefficient; on the basis of a preset pitch angle condition, determining a wind speed-pitch angle relation under the blade roughness coefficient; on the basis of the wind speed-pitch angle relation and wind speed data, determining a blade stall condition; and, in response to the wind turbine being in a blade stall state and according to the wind speed data and a preset pitch change control relation, controlling the wind turbine to change pitch. The control method can determine blade stall and perform a corresponding pitch change action while taking into account wind turbine power, so as to achieve a stall protection effect and improve the stability and reliability of the wind turbine.

LIGHTNING PROTECTION SYSTEM, WIND TURBINE BLADE, WIND POWER GENERATION DEVICE, AND BLADE TIP LIGHTNING RECEPTOR

Resumen de: WO2025092035A1

A lightning protection system (100) for a wind turbine blade, a wind turbine blade, a wind power generation device, and a blade tip lightning receptor (10), which can improve the current carrying efficiency of conductors and reduce the consumption of conductor materials. The lightning protection system (100) is used for a blade, and the lightning protection system (100) comprises: a blade tip lightning receptor (10) comprising a first conductor portion (11) and a second conductor portion (12) which are distributed in a first direction, wherein the second conductor portion (12) is connected to the first conductor portion (11), the blade tip lightning receptor (10) can be connected to the blade tip of the blade, and at least part of the first conductor portion (11) protrudes from the blade tip; and a first lead (20) having one end electrically connected to the second conductor portion (12) and the other end extending towards a side where the blade root of the blade is located. At least one of the first conductor portion (11) and the first lead (20) is internally hollow, thereby improving the current carrying efficiency of conductor materials in the first conductor portion (11) and/or the first lead (20) in the lightning protection system (100), and reducing the consumption of the conductor materials in the lightning protection system (100).

DEVICE FOR PROTECTING AN ELONGATE MEMBER WHERE IT ENTERS A FACILITY

Resumen de: WO2025093888A1

The invention concerns a device for protecting an elongate member (244) in a region where the elongate member (244) enters a facility (116) through an aperture (248). The device has a support body (510, 5904) for mounting in the aperture (248), the support body (510, 5904) having a through-going passage (515) to receive the elongate member (244) and an external abutment (658, 5936) for limiting movement of the support body into the aperture (248). Mounted in the support body (510, 5904) is at least one catch body which is pivotally mounted to the support body (510, 5904) for rotation between a stowed position in which an abutment surface of the catch body protrudes into the through passage, and a deployed position in which the catch body protrudes outwardly from the support body (510, 5904). A drive member (840, 6008, 6604) is releasably secured at a predetermined position in the through passageway, In use, with the catch body in its stowed position and by means of a pulling line (264, 2412, 6212, 2720) acting on the drive member (840, 6008, 6604), the support body (510, 5904) is able to be pulled into the aperture (248) until the external abutment (658, 5936) prevents further movement of the support body into the aperture (248), after which the action of the pulling line (264, 2412, 6212, 2720) on the drive member (840, 6008, 6604) is able to release the drive member to move along the through passage, causing the drive member (840, 6008, 6604) to act on the abutment surface

FOUNDATION FOR A SUPERSTRUCTURE AND FOR A WIND TURBINE, WIND TURBINE WITH A FOUNDATION, METHOD FOR FORMING A WIND TURBINE FOUNDATION

Resumen de: WO2025093127A1

A foundation for a wind turbine, preferably offshore, comprises a first hollow, elongated and preferably cylindrical part (171) designed to be embedded at least partially into the soil (7), preferably the seabed (7) and comprising reinforced concrete, a second hollow, elongated and preferably cylindrical designed to be stuck with its lower end into the upper end of the first part (171) to form an overlap portion (221) amongst said parts, the second part (172) comprising reinforced concrete, and a connector in the overlap portion (221), said connector comprising grout and/or concrete in the slot between the two parts (171, 172). The upper end of the first part (171) may protrude above the seabed for more than 5 or 10 or 20 meters and/or for less than 50 or 30 meters, but remain below water level, and the upper end of the second part (172) may protrude above water level for more than 5 or 10 or 20 meters and may carry on its top a connector (12).

WIND POWER HOLLOW MAIN SHAFT, AND PROFILING FORGING PROCESS THEREFOR AND USE THEREOF

Resumen de: WO2025091736A1

A profiling forging process for a wind power hollow main shaft. The profiling forging process comprises the following steps: S1, hot charging of a blank, involving: smelting alloying elements according to a formula, and pouring same into steel ingots, followed by hot charging of the steel ingots; S2, drawing-out and upsetting, involving: after the hot-charged steel ingots in S1 are heated, subjecting same to primary drawing-out, primary upsetting, secondary drawing-out, and secondary upsetting and forging; S3, punching of steel ingots, involving: returning the steel ingots which have been repeatedly drawn out and upset in S2 to a furnace for heating, and then punching same; S4, drawing-out and rounding, involving: returning forged pieces punched in S3 to the furnace for heating, and then subjecting same to shaft body drawing-out and rounding; and S5, controlled cooling after forging, involving: placing the forged pieces obtained in step S4 into an insulated barrel for slow cooling, and then cooling same to room temperature in air, so as to obtain a finished wind power hollow main shaft product. A wind power hollow main shaft obtained on the basis of the forging process, the use of the wind power hollow main shaft in a wind power generator set, and a wind power generator set comprising the wind power hollow main shaft. Under coordinated regulation and control of components, deformation and temperature, a complex-phase structure consisting of a matrix phase and an MnNi phase, t

DOCKING METHOD

Resumen de: WO2025095830A1

A docking system (29) for docking a first floating object (1) anchored at sea with a first anchor (9) with a second floating object (18) comprising a vertical movement system providing vertical forces and a horizontal movement system providing horizontal forces. The vertical movement system comprises lifting means (31 ) located on the second floating object (18) providing a force for lifting the first floating object (1), and the horizontal movement system comprises retracting means (35) containing a connecting cable (36) providing a force for shortening the distance between the two floating objects and resilient separating means (37) encircling the two floating objects providing a resilient counterforce to prevent the two floating objects from colliding.

METHOD FOR CONSTRUCTING FLOATING WIND POWER GENERATION EQUIPMENT

Resumen de: WO2025094466A1

The purpose of the present invention is to provide a method for constructing floating wind power generation equipment which is less susceptible to the effects of wind and waves when towed. A provisional assembly (1a) is assembled on the ground. The provisional assembly (1a) includes: a base part (8) of a floating body (2); and provisionally mounted members (6, 13, 16) disposed at positions different from the positions at the time of completion. After assembling the provisional assembly (1a), the provisional assembly (1a) is launched. After being launched, the floating wind power generation equipment under construction is towed to an installation position, and the provisionally mounted members (6, 13, 16) are deployed to the positions at the time of completion. Since the vertical length of the provisional assembly (1a) is shorter than the floating wind power generation equipment at the time of completion, the provisional assembly (1a) is less likely to be affected by wind and waves when towed.

DEEP LEARNING AND LANGUAGE MODEL ENHANCED SYSTEM FOR WIND TURBINE MONITORING USING DISTRIBUTED FIBER OPTIC SENSING (DL-LM-DFOS)

Nº publicación: WO2025097099A1 08/05/2025

Solicitante:

NEC LABORATORIES AMERICA INC [US]
NEC LABORATORIES AMERICA, INC

Resumen de: WO2025097099A1

Disclosed is a deep learning and language model enhanced system and method for wind turbine monitoring using distributed fiber optic sensing (DL-LM-DFOS) which combines advantages of distributed fiber optic sensing with the power of deep learning and large language models. Our system and method automatically learns and extracts useful features from raw sensor data, detects complex patterns indicating potential issues, and incorporates and learns from a wide range of data, including textual data such as maintenance logs, operational notes, or alarm messages. As a result, our inventive system and method provide comprehensive, efficient, and predictive monitoring of wind turbines.