Alerta

STATE DETECTION APPARATUS AND STATE DETECTION SYSTEM

Absstract of: US20260153608A1

A state detection apparatus (10) includes an analyzer (12) that detects a state of a detection target. The analyzer (12) acquires acoustic information corresponding to sound generated at the detection target, detects the state of the detection target based on a pattern included in an image representing the time variation of a frequency component of the acoustic information, and outputs a result of detecting the state of the detection target.

LOAD BEARING STRUCTURE FOR SELF-ERECTING ASSEMBLY TOWER SYSTEM

Absstract of: AU2024373298A1

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.

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

Absstract of: AU2024372137A1

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.

Variable speed torque motor/generator/transmission

Absstract of: AU2026203780A1

Abstract The present specification relates to power generation systems that generate, transmit, store, convert, transform, combine many forms of energy using a Torque Enhanced Transmission. The mechanism named Torque enhanced Transmission has multiple speed stages each having layshafts for connecting an auxiliary torque enhanced electrical machine to store energy. The power bus allows multiple combinations of input output power devices. The windmill electrical system combines AC and DC generators together in one system that can generate or operate as a motor to drive the system and a marine vessel. A motorized vehicle or marine vessel can use the system as a large electric motor generator or use the components independently. The present invention relates generally to systems and methods for generating power using a renewable energy source or multi fuel source. Abstract ay b s t r a c t a y

SYSTEM AND METHOD FOR MONITORING WIND TURBINE ROTOR BLADES USING INFRARED IMAGING AND MACHINE LEARNING

Absstract of: US20260153077A1

A method for monitoring a rotor assembly of a wind turbine includes receiving, via an imaging analytics module of a controller, thermal imaging data of the rotor assembly. The thermal imaging data includes a plurality of image frames. The method also includes automatically identifying, via a first machine learning model of the imaging analytics module, a plurality of sections of a rotor blade of the rotor assembly within the plurality of image frames until all sections of the rotor blade are identified. Further, the method includes selecting, via a function of the imaging analytics module, a subset of image frames from the plurality of image frames, the subset of image frames comprising a minimum number of the plurality of image frames required to represent all sections of the rotor blade. Moreover, the method includes generating, via a visualization module of the controller, an image of the rotor assembly using the subset of image frames.

LADDER BRACKET OF A SECTION OF A TOWER OF A WIND TURBINE AND METHOD OF ASSEMBLY OF A WIND TURBINE

Absstract of: AU2024379601A1

The object of the invention relates to a ladder bracket of a section of a tower of a wind turbine, to a set comprising a segment of a section of a tower of a wind turbine, at least one ladder bracket and a ladder section configured to be attached to a second part of the at least one ladder bracket, and also relates to a method of assembly of a wind turbine.

WIND TURBINE BLADE LIFTER

Absstract of: AU2024384216A1

A vacuum material handler (10) is adapted to lift a wind turbine rotor blade for connection to a wind turbine tower. A first and second vacuum system (60) are connected to a main beam (30) of the handler and include a vacuum tank (61), valves (67), and vacuum lifting pads (21). Each lifting pad or pair of pads is in communication with one of the vacuum tanks (60A or 60B) and adjacent lifting pads or pairs of pads are in communication with the other vacuum tank (60B or 60A). Each lifting pad pivots in a upward and a downward direction fore and aft and side to side to accommodate and conform to the contour of the blade. The handler is lighter in weight than cradle and gripper systems, can be delivered by hotshot trailer, and does not require a cradle or the like to support the blade.

Method for Calibrating a Measuring Device of a Wind Turbine

Absstract of: US20260153398A1

0000 A method for calibrating a measuring device for measuring the load on a rotor blade of a wind power installation is disclosed. At least one conversion factor for converting a detected sensor value of a load sensor into a load value acting on the rotor blade is determined for each rotor blade, a sensor value is recorded by the load sensor, and the conversion factor is determined from a relationship between a load value and a load value acting on the rotor blade A sensor value is recorded by the load sensor, and the conversion factor is calculated from a relationship between the sensor value and the comparative force acting on the rotor blade. The comparative force is calculated based on a weight force acting on the rotor blade, and is determined based on a deviation between the comparative force and the weight force.

PRECISE DETERMINATION OF ANGULAR POSITION OF A WIND TURBINE NACELLE

Absstract of: US20260153075A1

A method of determining an angular position of a nacelle of a wind turbine is provided, the nacelle being rotatably mounted at an upper end of a tower, the lower end of the tower being supported by a foundation. The method includes obtaining and storing a foundation angular position corresponding to a foundation reference point, the foundation angular position being relative to true north, determining a tower angular position based on the foundation angular position and information indicative of an angular relation between foundation and tower, the tower angular position corresponding to a tower reference point, receiving an encoder signal indicative of the angular position of the nacelle, detecting that a sensor mounted to the nacelle is the encoder signal such that the indicated angular position of the nacelle corresponds to the tower angular position. Furthermore, a controller for a wind turbine, a wind turbine, and a wind farm are provided.

PITCH CONTROL METHOD AND SYSTEM BASED ON COOPERATIVE OPTIMIZATION FOR OFFSHORE WIND FARM

Absstract of: US20260153076A1

A pitch control method based on cooperative optimization for an offshore wind farm, may include: acquiring a power control signal and a load reduction control signal of each wind turbine cluster; and generating, according to the power control signal and the load reduction control signal, a pitch control command based on a preset optimal control objective, and transmitting the pitch control command to a corresponding pitch control action execution mechanism for pitch control; wherein the power control signal is determined by an arithmetic processing unit through processing wind turbine parameters and wind speed data of the offshore wind farm, with a control objective of maximizing output power of the offshore wind farm; and the load reduction control signal is generated by a single-turbine controller for the wind turbine cluster utilizing key features affecting power outputs of wind turbines in combination with a linear time-invariant dynamic model for the wind turbines.

AN APPARATUS FOR CONTROLLING FLUID FLOW TO TURBINES

Absstract of: US20260153074A1

The invention provides an apparatus for introducing skew to a fluid flow directed on to one or more vertical axis turbines, the apparatus comprising a support structure having mounted thereon a plurality of vertically spaced aerofoils arranged to surround the one or more vertical axis turbines, the vertical spacings being selected and the aerofoils being profiled and arranged at an angle such that fluid flow between the aerofoils is skewed before it is incident upon the one or more vertical axis turbine.

STATOR, GENERATOR, WIND TURBINE GENERATOR SET, AND ANTI-CORONA TREATMENT METHOD

Absstract of: EP4753119A1

The present application discloses a stator, a generator, a wind turbine generator set, and an anti-corona treatment method. The stator comprises an iron core and a winding; a plurality of mounting slots are distributed at intervals in the iron core in the circumferential direction; the winding is arranged on the iron core, and the winding comprises a plurality of branches; each branch comprises a plurality of coils; each mounting slot is internally provided with one coil; each coil has end parts protruding out of the iron core on the two sides of the iron core in the axial direction; at least one branch is provided with a potting layer, and the potting layer covers the end parts of some of the plurality of coils of the branches; and the working voltage of some of the coils when the generator works at a rated voltage is greater than a voltage anti-corona threshold.

SERRATED PANEL FOR A WIND TURBINE ROTOR BLADE

Absstract of: EP4497941A1

A serrated panel for a trailing edge of a wind turbine rotor blade comprising:• at least two teeth, each tooth having a tip, a base, a length measured in a chordwise direction between the base and the tip, a width measured at the base, wherein the length is larger than the width, and two edges running from the tip to the base, each edge having a tip end-section extending from the tip to an intermediate point of the edge, and a main section extending from the intermediate point towards the base, and• a plurality of tines arranged side by side in a chordwise direction, each tine beginning at one of said edges and extending rearwards,• all tines beginning in one of said main sections have the same, first length, which is between 20 % and 60 % of the length of the respective tooth, and all tines beginning in one of said tip end-sections are shorter than the first length.

SEPARATION COMB FOR AVOIDING MISALIGNMENTS OF PULTRUSIONS IN A SPAR CAP

Absstract of: WO2025021460A1

The present invention relates to a method for manufacturing a reinforcing structure for a wind turbine blade (10), the method comprising the steps of: 1) arranging a plurality of strips (63) of fibre-reinforced material into adjacent stacks of strips (65a, b, c) forming a layered structure (61) with a plurality of fibre-reinforced layers (67), wherein adjacent fibre-reinforced layers of the plurality of fibre-reinforced layers are separated by interlayers (66), 2) providing at least one separation comb (70) comprising: a base region (71) and a teeth region (73) comprising a plurality of teeth (74) extending from the base region (71), wherein the plurality of teeth (74) are arranged in a linear array with gaps (79) between adjacent teeth (74), the gaps (79) being configured for allowing resin to flow from one side of the separation comb (70) to the other side of the separation omb (70), and wherein the plurality of teeth (74) are configured for penetrating the interlayers (66), 3) inserting the at least one separation comb (70) between two adjacent stacks of strips (65a, b, c) and penetrating he plurality of interlayers (66) with the plurality of teeth (74), such that the plurality of strips (63) in adjacent stacks of strips (65a, b, c) are separated by the at least one separation comb (70), 4) optionally moving the layered structure (61) to a desired location, such as into a wind turbine blade shell mould, after inserting the at least one separation comb (70) between adjacent

OFFSHORE ELECTROLYSIS SYSTEM, AND METHOD FOR OPERATING AN OFFSHORE ELECTROLYSIS SYSTEM

Absstract of: WO2025067764A1

The invention relates to an offshore electrolysis system (100) comprising: a wind turbine (1) with a platform (3) and with an electrolysis plant (5) which is arranged on the platform (3) and is connected to the wind turbine (1) in order to supply electrolysis current; and a heat supply device (7) which is coupled to the electrolysis plant (5) and has a combustion device (13), wherein a fuel reservoir (15) is connected to the heat supply device (7) such that, during a standstill mode, heat generated by means of the combustion device (13) can be transferred to the electrolysis plant (5) so as to maintain the temperature above a minimum temperature. The invention also relates to a method for operating a corresponding offshore electrolysis system (100), wherein, during a standstill mode, heat is generated by means of the heat supply device (7) and transferred to the electrolysis plant (5) so as to maintain the temperature above a minimum temperature and prevent freezing of water-carrying components of the electrolysis plant (5).

PLATFORM INSTALLATION TOOL

Absstract of: EP4752287A1

The invention relates to a platform installation tool for handling an internal monopile platform and an external monopile platform with respect to a monopile on which they are installed, wherein the platform installation tool comprises: a base frame defining an internal storage chamber, and having a landing device for engaging a top side of the monopile, wherein the base frame is dimensioned for holding the external monopile platform at the outside thereof and for holding the internal monopile platform inside the internal storage chamber, a rotating frame that is connected to the base frame via a rotation bearing and a rotation drive for rotating the rotating frame with respect to the base frame, and a hoisting device on the rotating frame comprising an external monopile platform hoist and an internal monopile platform hoist for hoisting in suspension respectively the external monopile platform and the internal monopile platform.

Blattlager

Absstract of: DE102024135790A1

Nachfolgende Ausführungen betreffen ein Blattlager aufweisend: einen Lagerinnenring (12) und einen Lageraußenring (14), wobei der Lagerinnenring (12) mittelbar oder unmittelbar über mindestens eine Wälzkörperreihe (16) mit dem Lageraußenring (14) verbunden ist; einen sich in Axial- und Umfangsrichtung zwischen dem Lagerinnenring (12) und dem Lageraußenring (14) erstreckenden Spalt (18); eine zumindest teilweise innerhalb des Spalts (18) angeordnete ringförmige Spaltdichtung (20); wobei die Spaltdichtung (20) einen Dichtungsfuß (22) zur Befestigung der Spaltdichtung (20) innerhalb einer sich in Umfangsrichtung des Lagerinnenrings (12) erstreckenden Ankernut (24) aufweist, wobei die Spaltdichtung (20) jeweils eine sich von dem Dichtungsfuß (22) erstreckende erste Dichtlippe (26) und eine zweite Dichtlippe (28) zur Kontaktierung des Lageraußenrings (14) aufweist, wobei der Lageraußenring (14) eine zum Spalt (18) hin geöffnete und sich in Umfangsrichtung erstreckende Dichtungsnut (30) zur zumindest teilweisen Aufnahme der ersten Dichtlippe (26) und einen an der Dichtungsnut (30) angrenzenden und sich in Umfangsrichtung erstreckenden Vorsprung (32) aufweist, wobei der Vorsprung (32) zumindest teilweise zwischen der ersten Dichtlippe (26) und der zweiten Dichtlippe (28) angeordnet ist.

Lageranordnung für ein Rotorblatt einer Windenergieanlage

Absstract of: DE102024211520A1

Die Erfindung betrifft Verfahren zum Betreiben einer Lageranordnung (10) und eine Lageranordnung (10) für ein Rotorblatt (4) einer Windenergieanlage (1), die Lageranordnung (10) aufweisend:- ein Rotorblattlager (12), das dazu eingerichtet, das Rotorblatt (4) drehbar relativ zu einer Rotornabe (2) der Windenergieanlage (1) zu lagern, wobei die Drehung um eine erste Achse (z) erfolgt;- eine an der Rotornabe (2) befestigte Lageraufnahme (14), die dazu eingerichtet ist, das Rotorblattlager (12) drehbar aufzunehmen, wobei die Drehung um wenigstens eine zweite Achse (y) erfolgt;- wenigstens einen Aktor (16), der dazu eingerichtet ist, das Rotorblattlager (12) um die zweite Achse (y) zu drehen.

METHOD FOR OPTIMIZING A SPATIAL LAYOUT OF A WIND POWER PLANT

Absstract of: EP4752357A1

0001 The invention relates to a method for optimizing a spatial layout of a wind power plant (1), the wind power plant (1) comprising at least one wind turbine (10) each wind turbine (10) having a location point (X), the method comprising the following steps: • computing an optimized location point (X) for each wind turbine (10) representing an optimized spatial layout of the wind power plant (1) with the at least one wind turbine (10), o by starting from an initial spatial layout and o by determining (D) a master-sum, the master-sum consisting of a plurality of sub-sums, the sub-sums comprising a set of distance measures (d), wherein each set of distance measures (d) is calculated between one individual location point (X) and a plurality of neighboring evidence points (A), wherein in a further method step shifting (S) the location points (X) and then determining (D) the master-sum again, the step of shifting (S) and determining (D) the master-sum is repeated such that a minimum of the master-sums is determined that represents the optimized spatial layout of the wind power plant (1).