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Schwimmkörper und Offshore-Windenergieanlage mit Schwimmkörper

Resumen de: DE102024102639A1

Schwimmkörper (10) mit einer Mehrzahl von um einen Träger (20) konzentrisch angeordneten Kugeln (30), wobei wenigstens eine erste Teilmenge der Kugeln (30) in wenigstens einer ersten Ebene und wenigstens eine zweite Teilmenge der Kugeln (30) in wenigstens einer zur ersten Ebene parallel angeordneten zweiten Ebene angeordnet sind, dadurch gekennzeichnet, dass die Kugeln (30) der zweiten Ebene zu den Kugeln (30) der ersten Ebene derart versetzt angeordnet sind, dass die Kugeln (30) der zweiten Ebene in die Zwischenräume zwischen den Kugeln (30) der ersten Ebene eingreifen.

METHOD FOR CALIBRATING A WIND TURBINE CONTROLLER MODEL

Resumen de: WO2025157673A1

The invention relates to a method for calibrating a wind turbine controller model in which at least the following steps are carried out: a) on the basis of the measurements (Mes) carried out, a speed ratio and blade orientation angle are associated (Ass) with certain wind speeds, b) for each wind speed, a definitive speed ratio (Ld) and a definitive blade orientation angle (Bd) are determined (Opt_cont), in order to minimize an optimization problem, c) the controller model is calibrated (ContInv) so that it associates the definitive speed ratio and/or the definitive blade orientation angle with each wind speed.

SHEAR WEB ASSEMBLY

Resumen de: WO2025157574A1

The invention describes a shear web assembly (1) for a wind turbine rotor blade (4), comprising a composite shear web (10); at least one electrical cable section (12) bonded to the bag-side (10B) of the shear web (10), wherein the length (L12) of an electrical cable section (12) is at most 80% of the shear web length (L10); and a bonding layer (18) over each electrical cable section (12), wherein a bonding layer (18) comprises resin-infused reinforcing material and is formed concurrently with the composite shear web (10). The invention further describes a method of manufacturing such a shear web assembly (1), and a wind turbine rotor blade (4) comprising such a shear web assembly (1).

METHOD FOR CALIBRATING AERODYNAMIC CHARACTERISTICS OF A MODEL OF A WIND-TURBINE ROTOR

Resumen de: WO2025157674A1

The invention relates to a method for calibrating a model of a wind-turbine rotor comprising a plurality of blade portions, on the basis of measurements (Mes) and of input curves, wherein at least the following steps are carried out: a) on the basis of the measurements taken, associating (Ass), with certain wind speeds, a gear ratio and an angle of orientation of the blades; b) constructing (Cons) modifying curves for lift and drag coefficients (C1_port, C1_train) and determining, for various sets (Jp) of parameters, maps of power coefficients (Cart_P) and of thrust coefficient (Cart_T); c) generating comparative curves of power coefficient (C1_P) and thrust coefficient (C1_T); d) retaining as final modification parameters (Jp_opt), the sets of modification parameters making it possible to minimize a predefined function; e) calibrating (Cal1) the aerodynamic characteristics of the rotor model.

SERVICING A WIND TURBINE USING A COMPUTER IMPLEMENTED SERVICE INSTRUCTION GENERATOR APPLYING A TRAINED NATURAL LANGUAGE MODEL

Resumen de: WO2025157358A1

The present disclosure pertains to service of a wind turbine based on a determined service instruction. The service instruction and a resulting service action is determined using a computer implemented service instruction generator applying a trained natural language model. The service instruction generator accesses a repository of service instructions and a repository of fault entries. At a defined recurring time a current text corpus is prepared based on the accessed service instructions and fault entries. The natural language model is trained on the current text corpus. The service instruction and a resulting service action is determined querying the natural language model trained on the current text corpus.

WIND TURBINE VIBRATION CONTROL SYSTEM

Resumen de: WO2025157359A1

A pitch controlled wind turbine has a tower, a nacelle mounted on the tower, a hub mounted on the nacelle, and blades. The wind turbine includes blade connecting members, each extending between neighbouring blades, and pre-tension members, each connected to one of the blade connecting members and to the hub via a tensioning device, the tensioning device provides radial movement of the pre-tension member due to extension/retraction of the tensioning device, each pre-tension member provides pre-tension in ta respective blade connecting member. A cable vibration control system is coupled to one or more of the tensioning devices, and to one or more sensors for detecting a vibration of, or resultant noise from, one or more of the blades, blade connecting members and pre-tension members. The control system is configured to control the tensioning devices to extend or retract so as to control vibrations and noise generated by the wind turbine.

METHOD FOR OPTIMIZING THE LOAD ON A MAIN BEARING OF A WIND TURBINE

Resumen de: WO2025157346A1

The invention relates to a method for optimizing the load on a main bearing (1) of a wind turbine, wherein the main bearing (1) is designed as a hydrodynamic plain bearing, in which at least one of the bearing rings (2, 3) consists of a number of bearing segments (4) which adjoin one another over the circumference of the bearing ring (2, 3), wherein each bearing segment (4) can be positioned in a defined radial position (r), and wherein each bearing segment (4) is arranged on a surrounding component (5). In order to provide optimized operation of the bearing, the invention makes provision for the method to comprise the steps of: a) carrying out a numerical simulation for each of the bearing segments (4) of the bearing ring (2, 3), in which the load on the bearing segment (4) when the latter is arranged on or in the surrounding component (5) is calculated when the anticipated bearing load is applied and when the bearing segment (4) is in a predetermined initial radial position (ro) relative to the surrounding component (5); b) carrying out a numerical simulation for each of the bearing segments (4) of the bearing ring (2, 3), in which the load on the bearing segment (4) when the latter is arranged on or in the surrounding component (5) is calculated when the anticipated bearing load is applied and when the bearing segment (4) is in a predetermined changed radial position (r1) relative to the surrounding component (5); c) comparing the loads, determined according to steps a) an

LIGHTNING PROTECTION FOR WIND-TURBINE BLADES

Resumen de: WO2025158138A2

A wind turbine rotor blade comprising: a plurality of carbon-containing structural spars, whereby each structural spar extends spanwise along the blade between a root-wards position and a tip-wards position, each structural spar having an outward facing surface; an electrically conductive lightning-protection structure, the electrically conductive lightning-protection structure being electrically connected to, or electrically connectable to, a ground connection at a root end of the wind turbine rotor blade; whereby the lightning-protection structure comprises a branch for each structural spar, each branch extending along and covering the outward facing surface of the corresponding structural spar; each branch electrically connected to the respective structural spar at least at a tip-wards location and a root-wards location.

WIND TURBINE SELF-LIFTING SYSTEM AND METHOD OF ASSEMBLY

Resumen de: AU2023426293A1

The invention relates to a self-lifting system formed by three masts (1) with their corresponding winches (2), pulleys and cables (3), a lifting triangle (4) that moves up and down between said masts (1) and supporting bases (5), wherein the three masts (1) are braced (6) against each other. The system has a temporary foundation (10) for supporting the tower sections (9, 9', 9") and the tripod or transition part (21) during the assembly process. The lower flange (18) of the sections incorporates a connection ring (11), where the complementary elements formed by struts (12) and horizontal beams (13) extending from the vertices of the triangle (4) are assembled and joined to each other by a crossbar (14). The struts (12) and the horizontal beams (13) move in a retractable manner and fold by means of associated systems in order to release the tower segments. The method of assembly used lifts different types of tubular and mixed wind turbines with lower latticework.

SEMI-SUBMERSIBLE FLOAT FOR AN OFFSHORE WIND TURBINE AND METHOD FOR CONSTRUCTING SUCH A FLOAT

Resumen de: WO2024170846A1

The invention relates to a semi-submersible float (2-1), in particular for an offshore wind turbine comprising four columns including one central column (4) intended to receive a wind turbine tower (6) and at least three outer columns (8) which are connected to the central column by arms forming lower pontoons (10). The float is free of upper arms connecting the central column to the outer columns and the outer columns and the lower pontoons are each formed by an assembly of planar panels (81 to 86, 101 to 104) each having a polyhedral cross-section. The invention also relates to a method for constructing such a float.

A DEVICE FOR PATCHING WIND TURBINE BLADE SURFACE

Resumen de: AU2024220884A1

The invention relates to the wind turbines and wind turbine blades' maintenance devices, in particular, to the methods and devices for patching wind turbine blade surface. The claimed device comprises: a patching head, comprising: a frame enclosure open on one side; the frame enclosure having a patch placement area designed to be in the form of a UV-transparent membrane, configured to be substantially flat at least in its center and have a border that extends outward; the frame enclosure further comprising suction interface, configured to be applied to a surface of a wind turbine blade and to hold the frame enclosure in the place, in respect to the blade; a curtain with curtain holding arrangement. The curtain is designed to be UV-opaque and configured to be removably attached in front of the membrane, so to close the open side of the frame enclosure and to guard a patch from the ambient UV light exposure, when the patch is placed on the membrane. The frame enclosure further comprising a UV light source configured to expose a patch placed on the patch placement area to the UV light. The device further comprises a pump system, connected to the suction interface of the patching head; a robotic arm, designed to grip and position the patching head, to exert substantially perpendicular pressure onto the blade surface via the frame enclosure during activation of the vacuum pump system.

MULTI-WINDING SET FRACTIONAL SLOT SYNCHRONOUS MACHINE

Resumen de: US2025246959A1

An electrical machine is provided, in particular a dual three-phase fractional slot synchronous machine, including: a stator providing plural slots between plural teeth; a first multi-phase winding set; and a second multi-phase winding set, wherein the first winding set and the second winding set are both provided as star-delta connection and at least partially arranged in the slots and wound around the teeth.

ENERGY COLLECTION LOCATION CHANGING SYSTEM

Resumen de: US2025242895A1

In the energy collection location changing system, a power generation floating body and a collection station setting system are provided so as to be able to perform data communication with each other. The power generation floating body has a power generation storage unit for storing the power generation energy and a navigation unit for navigation of the own base, and the collection station setting system has a location determination unit for determining a recovery position in which the collection station is provided based on at least one of a wind condition and a sea condition, a location notification unit for notifying the recovery position to each of the power generation floating bodies, and a setting unit for providing the collection station in the recovery position, and the navigation unit of the power generation floating body causes the own base to travel to the recovery position.

FLOATING-TYPE WIND POWER GENERATION PLATFORM AND FLOATING-TYPE WIND POWER GENERATION SYSTEM

Resumen de: US2025242896A1

The present application discloses a floating-type wind power generation platform and a floating-type wind power generation system. The floating-type wind power generation platform includes a first transverse connector and multiple floating support components, where the multiple floating support components are arranged at intervals on the water surface in a horizontal direction, and the first transverse connector includes a first connecting rod and an outward-extending plate, the first connecting rod has both ends connected to two adjacent floating support components, and the outward-extending plate extends from the outer side wall of the first connecting rod in a direction away from the center of the first connecting rod.

THERMAL ENERGY STORAGE SYSTEM COUPLED WITH A SOLID OXIDE ELECTROLYSIS SYSTEM

Resumen de: US2025243788A1

An energy storage system (TES) converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. In one application, the energy storage system provides higher-temperature heat to a solid oxide electrolysis system to maintain in an electrolysis operating temperature range during operation and nonoperation, thereby increasing the efficiency of the temperature control.

BLADE, PROCESSING SYSTEM AND PROCESSING METHOD

Resumen de: US2025243762A1

A blade is used in fluid and includes: a base member; and a coat layer that is formed on the base member, a plurality of first grooves and a plurality of second grooves are formed on a surface of the coat layer, a pitch of the plurality of first grooves is different from a pitch of the plurality of second grooves.

WIND TURBINE BLADE PITCH SYSTEM WITH BEARING PRELOAD

Resumen de: US2025243840A1

A system for a wind turbine nacelle having a shaft housing, a blade shaft that extends through the shaft housing and is rotatable relative to the shaft housing, a blade holder connected to the blade shaft, and an outer bearing between the blade shaft and the shaft housing includes a conical spring. The conical spring engages a portion of the outer bearing to exert a preload force on the outer bearing. The system further includes a backstop surrounding the blade shaft and having an interference fit with the blade shaft and a pin extending through the blade shaft and the blade holder. The pin is positioned to prevent the blade shaft from moving relative to the backstop.

YAW DRIVE SYSTEM

Resumen de: US2025243841A1

A wind turbine nacelle includes a stub mast, a frame rotatably mounted on the stub mast, and a yaw drive system that rotates the frame to adjust orientation of the frame. The yaw drive system includes a yaw brake assembly positioned coaxially with the stub mast that exerts a constant braking torque on a brake disk connected to the frame and has a brake pad with a coefficient of friction that creates the braking torque without slipstick.

SUPPORT STRUCTURE FOR A HYBRID WIND AND SOLAR ELECTRIC GENERATOR

Resumen de: WO2025158470A1

The field of the technique of the following invention is that of wind and photovoltaic alternative energies. Normally these two solutions involve photovoltaic panels and turbines which are functionally distinct from each other and that also occupy different spaces. This invention proposes a unique support structure that allows the simultaneous use of a solar tracker and one or more turbines. The result is a hybrid device with all the equipment mounted on board that is simple to install.

MOORING SYSTEM

Resumen de: WO2025159447A1

The present invention comprises: a floating body floating on the sea surface; a mooring anchor seated on the seabed; a weight body positioned underwater between the floating body and the mooring anchor; and a plurality of mooring lines for mooring the floating body and having a closed curve shape. The mooring lines include: a first portion, in which a central lower part catches on a weight body mooring line catching part of the weight body; a second portion which passes through a weight body vertical passage in the weight body, and in which a central lower part catches on an anchor mooring line catching part of the mooring anchor; and a third portion which passes through a floating body vertical passage in the floating body and is connected to the first portion and the second portion, and in which a central upper portion catches on a floating body mooring line catching part provided on the floating body.

METHOD AND SYSTEM FOR PREVENTING WIND TURBINE BLADE-TOWER COLLISION

Resumen de: WO2025156806A1

A method and system for preventing wind turbine blade-tower collision. The method comprises: step 1: calculating a boundary pitch angle on the basis of the operating state of a wind turbine blade, and recording the boundary pitch angle as A0; step 2: calculating a required operating time for the blade to move from 0° to the boundary pitch angle A0, and determining a pitch position P0 on the basis of the operating time; step 3: determining a blade passing through the pitch position P0 on the basis of the pitch position P0; step 4: performing blade-tower collision preventing operating state determination on the blade passing through the pitch position P0 to obtain a determination result; and step 5: performing blade-tower collision preventing operation on the basis of the determination result.

YAW ASSEMBLY, DEVICE, AND METHOD FOR WIND TURBINE

Resumen de: WO2025156742A1

The present invention relates to a yaw assembly, device, and method for a wind turbine. A drive assembly is arranged between a main frame portion and a tower portion. The drive assembly is provided with one or at least two drive arms. The drive arms individually, simultaneously, or alternately and intermittently drive the main frame portion to rotate circumferentially on the tower portion. The drive assembly is intermittently drive-connected to insertion components. During the reset return stroke of the drive arms, force transmission between the main frame portion and the drive arms, or between the drive arms and the tower portion, is in a disengaged state.

MULTI-ELECTROLYTIC-CELL SERIES-PARALLEL HYDROGEN PRODUCTION CONTROL METHOD AND POWER GENERATION SYSTEM

Resumen de: WO2025156736A1

Provided in the present application are a multi-electrolytic-cell series-parallel hydrogen production control method and a power generation system. The method in the present application comprises: acquiring electrolysis power parameters of a plurality of electrolytic cells and a real-time generation power of a power generation system; and then, on the basis of the plurality of electrolysis power parameters and the real-time generation power, controlling the plurality of electrolytic cells to sequentially and repeatedly execute electrolysis start-stop operations, wherein each electrolysis start-stop operation comprises: comparing the magnitude of a target round startup output power with the magnitude of a rated minimum electrolysis power of a target electrolytic cell; on the basis of a corresponding magnitude determination, performing subsequent control operations; and then in the subsequent control operations, performing a corresponding control operation by means of determining whether the target round startup output power exceeds a danger warning threshold power. Thus, the hydrogen production efficiency and flexibility of the plurality of electrolytic cells in the hydrogen production power generation system are improved, the stability of the hydrogen production power generation system is improved, and the service life of the hydrogen production power generation system is prolonged.

ANTI-FATIGUE LOAD BEARING STEEL FOR WIND TURBINE MAIN SHAFT, PREPARATION METHOD THEREFOR, AND USE THEREOF

Resumen de: WO2025156495A1

The present invention relates to the technical field of metallurgical steels, in particular to an anti-fatigue load bearing steel for a wind turbine main shaft, a preparation method therefor, and a use thereof. The present invention herein provides the following solution, comprising: S1. smelting: refining a raw material steel into molten iron, carrying out impurity removal and deoxidization, and adjusting the content of each component to obtain molten steel for casting; S2. continuous casting: carrying out electroplusing crystallization and solidification on the molten steel for casting to obtain a continuous casting billet; S3. rolling: carrying out rough rolling on the continuous casting billet and then carrying out finish rolling to obtain a finish-rolled billet; and S4. post-rolling treatment: first slowly cooling the finish-rolled billet and then air cooling same to obtain an anti-fatigue load bearing steel. In the present invention, by component and process control, a specific microstructure can be formed; the surface of a grain has a corrugated grain boundary; the corrugated grain boundary reduces the orientation difference between adjacent grains, lowers the grain boundary energy, and can effectively impede dislocation propagation and grain boundary sliding; and high-density dislocations formed within grains, interactions between dislocations, and the development of Cottrell atmosphere have a deformation strengthening effect on a material, thus achieving an excellent

ROTOR BLADE AND ROTOR HAVING THE SAME

Nº publicación: WO2025156028A1 31/07/2025

Solicitante:

SAMARAWIND INCORPORATED [CA]
SAMARAWIND INCORPORATED

Resumen de: WO2025156028A1

A rotor blade for a wind turbine includes a blade root, a blade tip, and a longitudinal length extending from the blade root to the blade tip. The rotor blade includes an inner portion having an inner portion length extending from a first inner portion end at the blade root to a second inner portion end, and an inner angle of attack decreasing along the inner portion length from the first inner portion end to the second inner portion end. The rotor blade includes an outer portion having an outer portion length extending from a first outer portion end proximate the second inner portion end to a second outer portion end at the blade tip, and an outer angle of attack constant along the outer portion length for a maximum lift-to- drag ratio of the outer portion at a design tip-speed-ratio and at a design wind velocity.