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METHOD FOR REPAIRING A GENERATOR WITH FORM COILS, GENERATOR AND WIND TURBINE

Resumen de: EP4637001A1

Verfahren zur Reparatur eines Generators mit Formspulen, insbesondere eines Generators einer Windenergieanlage mit Formspulen, umfassend die Schritte: Entkoppeln (1010) des ersten und zweiten Anschlusses (18, 19) einer defekten Formspule (11) von zwei weiteren der mehreren Formspulen (10); Abtrennen (1020) des ersten und zweiten Spulenkopfes (14, 16) der defekten Formspule (11); Auftrennen (1030a) eines Nutenverschlusskeils, der eine Nut verschließt, in der ein erster Schenkel (12a) der defekten Formspule (11) eingesetzt ist; Entfernen (1040a) des ersten Schenkels (12a) der defekten Formspule (11) aus der Nut (38); Einsetzen (1050a) eines ersten Schenkels (12a) einer neuen Formspule (13) mit einem elektrischen Leiter aus Kupfer oder Aluminium; Einsetzen (1060a) eines neuen Nutenverschlusskeils (39) in die Nut (38), in welche der erste Schenkel (12a) der neuen Formspule (13) eingesetzt wurde, wobei die Nut (38) durch den neuen Nutenverschlusskeil (39) in Richtung des im Betriebszustand zwischen Stator und Rotor bestehenden Luftspalts verschlossen wird; Einbringen (1070a) von Harz in die Nut, in welche der erste Schenkel (12a) der neuen Formspule (13) eingesetzt wurde; Verbinden (1080) des ersten Schenkels (12a) mit dem zweiten Schenkel (12b); und Koppeln (1090) des ersten und zweiten Anschlusses mit dem ersten Anschluss und zweiten Anschluss der zwei weiteren Formspulen (10).

ACTIVE FLAP FOR A BLADE OF A WIND TURBINE

Resumen de: WO2024165206A1

The invention relates to an active flap (100) for a blade (40) of a wind turbine. The active flap (100) comprises an upper part (10) configured to connect the active flap (100) to an interface (20) positioned at the blade (40). The active flap (100) further comprises a lower part (12) and an adjustment means (16). The lower part (12) is configured to move relatively to the upper part (10). The adjustment means (16) is arranged in an openable cavity (38) between the upper part (10) and the lower part (12) and is configured to reversibly provoke a movement of the lower part (12). The active flap (100) further comprises a hinge part (14) configured to connect the lower part (12) to the upper part (10). The adjustment means (16) is connected to the upper part (10). The upper part (10) comprises an extension means (34) detachably mounted to the lower part (12) and configured to open and/or close the openable cavity (38).

ELECTRIC GENERATOR FOR A WIND TURBINE, INNER STATOR FOR AN ELECTRIC GENERATOR FOR A WIND TURBINE AND WIND TURBINE

Resumen de: WO2024160409A1

Electric generator for a wind turbine (1), comprising at least one brake support plate (23) having at least one braking arrangement (21) mounted thereon, an outer rotor (11) which is rotatably mounted with respect to the brake support plate (23), wherein the at least one braking arrangement (21) is adapted to interact with at least one brake disk (22) which is attached to the rotor (11) to brake a relative rotation between the rotor (11) and the at least one brake support plate (23), wherein an airgap securing element (33) is mounted on the brake support plate (23) and adapted to get in contact with the at least one brake disk (22) if a distance between the at least one brake disk (22) and the brake support plate (23) and/or between an inner stator (10) of the electric generator (7) and the rotor (11) is reduced below a predetermined reference value, wherein the at least one airgap securing element (33) is mounted on the at least one braking arrangement (21).

METHOD FOR OPERATING A COOLING SYSTEM IN A NACELLE OF A WIND TURBINE AND WIND TURBINE

Resumen de: WO2024170118A1

Method for operating a cooling system (12) in a nacelle (9) of a wind turbine (1), wherein the wind turbine (1) comprises a generator (5) and at least one transformer (11) located in the nacelle (9), wherein the cooling system (12) comprises - an air-cooling subsystem (14) for cooling at least the generator (5), comprising an inflow unit (15) for drawing inflow ambient air (36) into the nacelle (9), - temperature sensors (33, 34, 35) for measuring the temperature of the ambient air and at least one temperature in the nacelle (9), and - a control device (31) for controlling the operation of the cooling system (12) using the measured temperatures, wherein the control device (31), - a temperature difference between the ambient air and at least a part of the components in the nacelle (9) is determined from measured temperature values of the temperature sensors (33, 34, 35), and - if the temperature difference fulfils a exchange criterion indicating possible condensation of air humidity on at least one of the part of the components in the nacelle (9), the cooling system (12) is controlled to temper the inflow ambient air (36) by exchanging heat between at least one of the components in the nacelle (9) and the ambient air to reduce the temperature difference.

UNLOCKING A ROTOR OF A WIND TURBINE

Resumen de: WO2024223176A1

It is described a method of aiding unlocking, and in particular unlocking, a rotor of a wind turbine (1570) locked by a locking system (1575), the rotor being coupled to an electrical machine (1571) and rotatably supported by a rotor bearing, the method comprising: providing a torque reference (100, 200, 300, 700, 1100) or an equivalent current reference (1300); controlling the electrical machine (1571) based on the torque reference (100); generating, by the electrical machine, a mechanical torque acting on the rotor according to the torque reference; wherein the torque reference (100) defines a time course (t1,t2) of a target torque (tt1, tt2).

MAGNET MODULE FOR A ROTOR OF AN ELECTRICAL MACHINE

Resumen de: WO2024208552A1

It is described a magnet module (130) for a rotor (110) of an electrical machine (100), in particular a wind turbine gener- ator, comprising: a base member (132) extending in a width direction (103), in particular circumferential direction, in a length direction (101), in particular axial direction, and in a thickness direction (102), in particular radial direction, and having a rotor house mounting surface (133) and, at an opposite side, a magnet mounting surface (134) both extending in the width direction (102) and the length direction (101); a magnet (135) mounted at the magnet mounting surface (134) of the base member (132), wherein the base member (132) has at least one first base member recess (137) at the rotor house mounting surface (133), the first base member recess extending in the length direction (101).

SHALLOW DRAFT, WIDE-BASE FLOATING WIND TURBINE WITHOUT NACELLE

Resumen de: EP4636245A2

Disclosed are wind turbines suitable for floating application. The wind turbines include multiple floats and multiple towers connected to the floats, a turbine rotor, including a hub and a plurality of blades, structurally supported by the plurality of towers, the turbine rotor coupled to an electrical generator; and have a very shallow draft even for rated capacities of at least 1 MW. The wind turbines can have a single mooring line for yawing eliminating the need for a nacelle, and can allow for deck-level belt driven electrical generators without the need for gear boxes.

RESERVOIR-REGULATING DIGITAL LOAD CONTROL

Resumen de: EP4636988A2

Disclosed is an apparatus that adapts the rate of its computational work to match the availability of energy harvested from a stochastic energy source; and, with respect to some types of energy harvesting, regulates the rate of energy capture, the rate of energy conversion, and the rate of consumption of stored potential energy, through its alteration, regulation, and/or adjustment, of that same computational work load.

VERTICAL AXIS WIND TURBINE SYSTEM FOR POWER GENERATION

Resumen de: WO2024127050A1

A vertical axis wind turbine system for power generation which has at least one wind rotor which has at least three blades spaced apart from each other in a uniform angle pitch, the blades have a concave and an opposite convex surface, and in at least one wind rotor the blades are arranged in a plane perpendicular to the axis (13), and the at least one wind rotor is supported by bearings for rotation about the vertical axis (13) and located on the top of a column (10) and/or support rod (52), and the system includes a device for converting the rotational energy of the rotated axis (13) into another type of energy, wherein the blades (15, 16, 17; 59, 60, 61, 62) are arranged along the sides of a regular polygon (21) surrounding the axis (13) as the center and in the plane, and their extensions where each side has a side length M, and the convex side of the blades faces the inside of the polygon, the inner end of each blade (15, 16, 17; 59, 60, 61, 62) extends at least to the midpoint of the side to which it belongs, and the total length (L) of blades (15, 16, 17; 59, 60, 61, 62) shall be at least 2.5 times the mentioned length of the side (M) that is L > 2.5 M, and the number of the sides of the polygon being not less than 3 and not more than 6.

SYSTEM AND METHOD FOR REDUCING DRIVETRAIN COUPLING TORQUES AFTER A GRID EVENT

Resumen de: EP4636972A2

A method for controlling a power generating asset connected to an electrical grid includes receiving (402) a grid power limit associated with a grid event and, based on the grid power limit, determining (404) a target grid power for the generator during recovery from the grid event. During the recovery, a first power softening function is implemented (406) that includes receiving (410) at least one of a torsional angle signal or change in speed signal associated with the drivetrain. Upon the torsional angle or change in speed crossing a threshold value, the method decreases (412) a power command on the generator below the target grid power to reduce the torsional angle at a later point in time. A power difference between the target grid power and the decreased power command of the generator is determined (414) and power is supplied (416) from an energy storage device in communication with the converter to make up the power difference.

CONSTRUCTION OF JACKET WIND TURBINE FOUNDATIONS

Resumen de: EP4636162A1

Methods of constructing a jacket foundation 100 for a wind power plant may comprise preparing a first part 1 and a second part 2. The first part 1 is prepared by providing a first leg section 10 at a plurality of first supports 20; and a second leg section 11 at a plurality of second supports 21; at a construction site S. First braces 30 are fixed between the first and second leg sections 10,11. The second part 2 is prepared by providing a third leg section 12 on an elevated support structure 22,22a-d; and a plurality of second and third braces 31,32 are fixed to the third leg section 12. The second part 2 is lifted onto the first part 1 and connected thereto by fixing the pluralities of second and third braces 31, 32 to the respective first and second leg sections 10, 11.

WIND TURBINE BLADE

Resumen de: WO2024125748A1

According to the present invention there is provided a wind turbine blade comprising a blade shell that extends longitudinally in a spanwise direction from a root end to a tip end, and transversely in a chordwise direction between a leading edge and a trailing edge. The blade shell is formed from first and second opposing half shells of composite laminate construction. Each half shell comprises an inner skin on an inside of the blade shell and an outer skin on an outside of the blade shell. The blade further comprises a first spar cap located between the inner and outer skins of the first half shell and a second spar cap located between the inner and outer skins of the second half shell. The first and second spar caps are mutually opposed. The first spar cap comprises a plurality of side-by-side stacks of longitudinally-extending strips of reinforcing material, the stacks including at least one web-supporting stack and at least one non-web-supporting stack. The blade further comprises a shear web connected between the first and second spar caps. The shear web comprises a longitudinally-extending web panel and first and second mounting flanges, the first and second mounting flanges extending transversely to the web panel along respective longitudinal edges of the web panel. The first mounting flange is adhesively bonded to the inside of the first half shell in the region of the web-supporting stack(s) of the first spar cap and the second mounting flange is adhesively bonded to

FAMILY OF WIND TURBINE BLADES

Resumen de: WO2024125747A1

According to the present invention there is provided a family of wind turbine blades of substantially equal length and of substantially the same external shape. Each blade comprises a blade shell that extends longitudinally in a spanwise direction from a root end to a tip end and transversely in a chordwise direction between a leading edge and a trailing edge. The blade shell is formed from first and second opposing half shells. Each blade further comprises a first spar cap associated with the first half shell and a second spar cap associated with the second half shell. The first and second spar caps are mutually opposed. The first spar cap comprises a plurality of side-by-side stacks of longitudinally- extending strips of reinforcing material, the stacks including at least one web-supporting stack and at least one non-web-supporting stack. Each blade further comprises a shear web connected between the first and second spar caps. The family of wind turbine blades comprises a first blade designed for a first wind turbine operating in a first wind class or having a first rated power, and a second blade designed for a second wind turbine operating in a second wind class or having a second rated power. The second wind class or second rated power is different to the first wind class or first rated power. At a first spanwise location along the blade, the number of strips in a non-web-supporting stack of the first spar cap of the first blade is different to the number of strips in a

STRUCTURAL JOINT FOR USE IN AN OFFSHORE SUPPORTING STRUCTURE COMPRISING AN INTERNAL FIBRE REINFORCED POLYMER WRAP

Resumen de: CN120380223A

A structural joint for use in a support structure bearing cyclic loads, the structural joint comprising a first structural member having a first cross-section defined at least in part by a first dimension, such as a width, height or diameter, and a second tubular structural member having a second cross-section defined at least in part by a second dimension, such as a width, height or diameter. Wherein the first dimension is the maximum dimension of the first cross section; a second tubular structural member having a second cross-section, the second cross-section being at least partially defined by a second dimension, such as width, height or diameter, where the second dimension is a maximum dimension of the second cross-section, where the first dimension is greater than the second dimension; wherein the structural members are arranged relative to each other at a non-zero angle measured between a longitudinal direction of the first structural member and a longitudinal axis of the second tubular structural member, and wherein the second tubular structural member protrudes from a wall section of the first structural member, wherein the first structural member and the second tubular structural member are connected to each other by means of an inner fiber-reinforced polymer coating applied around a preferably complete outer periphery of the second tubular structural member and applied to and connected to the inside of a wall section of the first structural member.

WIND TURBINE BLADE MONITORING

Resumen de: WO2024127032A1

The invention relates to monitoring attachment integrity of a wind turbine blade by measuring displacement between the blade root and pitch bearing. Example5 embodiments include a method of monitoring attachment integrity of a wind turbine blade having a blade root (301) attached to a pitch bearing (303) of a wind turbine, the method comprising measuring during operation of the wind turbine a displacement of the blade root (301) relative to the pitch bearing (303) in a direction parallel to a longitudinal axis (310) of the blade. The displacement may be recorded over time and10 an amplitude determined. An alert may be triggered if the displacement amplitude exceeds a predetermined displacement threshold.

A METHOD FOR DETERMINING WAKE CONDITIONS AT A WIND TURBINE GENERATOR BY MEASURING BLADE DEFLECTION FROM AN IDEAL BLADE TRAJECTORY

Resumen de: WO2024126438A1

A method (100) for determining wake conditions (90) at a wind turbine generator (WTG) by measuring blade deflection from an ideal blade trajectory, wherein wind turbine generator (WTG) comprising a blade (16), said blade comprising an accelerometer (20), the method (100) comprising steps of - measuring (200) sensory data (80) of the accelerometer (20) during operation, - time-stamping and time-synchronizing (210) the sensory data (80) collected by the accelerometer (20); - dividing (300) the sensory data (80) into sub-data groups (82), wherein each sub-data group (82) comprises at least one full rotation of the blade (16); - determining (400) wake conditions (90) as a function of at least one of the sub-data groups (82) and a wave function (84).

WIND TURBINE BLADE MANUFACTURE

Resumen de: WO2024125744A1

A wind turbine blade is disclosed. The wind turbine blade comprises a core material, a first fibre reinforced plastic and a spar cap comprising a third fibre reinforced plastic, and a shear web comprising a second fibre reinforced plastic. The first fibre reinforced plastic, the second fibre reinforced plastic, and the spar cap each comprise a chemically disassemblable polymer. Further disclosed is a method of disassembling such a wind turbine blade by exposing the wind turbine blade to an acid to cause the chemically disassemblable polymer to disassemble; and recovering fibres from at least of one of the first fibre reinforced plastic, the second fibre reinforced plastics and the third fibre reinforced plastic.

METHOD OF RECYCLING COMPOSITE MATERIAL

Resumen de: WO2024125742A1

A method of recycling composite material, the composite material comprising reinforcement fibres embedded in a matrix material. The method comprises: loading the composite material into a container; treating the composite material in the container with a liquid; transporting the container to a recycling station, wherein the liquid degrades the matrix material in the container during the transporting of the container; and at the recycling station, recycling the reinforcement fibres by separating them from the matrix material.

METHOD OF TRANSPORTING PIECES OF COMPOSITE MATERIAL

Resumen de: WO2024125741A1

A method of transporting pieces of composite material, the pieces of composite material comprising reinforcement fibres embedded in a matrix material. The method comprises: loading the pieces into a container; and then transporting the container, the method further comprising softening the matrix material before transporting the container by treating the pieces with a liquid, wherein the liquid transforms the pieces into softened pieces, the softened pieces form a pile of softened pieces in the container, and at least some of the pieces change shape after they have been softened.

A METHOD FOR ASSEMBLING A TOWER OF A WIND TURBINE AND USE THEREOF

Resumen de: DK202270621A1

Disclosed is a method for assembling a tower part of a wind turbine (1). The method comprises placing an elongated tubular tower section (6) of the wind turbine (1) so that it is laying down and so that at least a part of an outer elongated surface (7) of the tower section (6) is supported by an underlying surface (8) and forming an electrical module (9) comprising at least one electronic subsystem (10) of the wind turbine (1). The method further comprises transporting the electrical module (9) into the elongated tubular tower section (6) and tilting the electrical module (9) substantially 90 degrees. Even further the method comprises connecting the electrical module (9) to at least two opposing inside surfaces (11) of the elongated tubular tower section (6).

WIND TURBINE BLADE MANUFACTURE

Resumen de: WO2024125745A1

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. 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.

SYSTEMS AND METHODS FOR DISPLAYING RENEWABLE ENERGY ASSET HEALTH RISK INFORMATION

Resumen de: WO2024130021A1

An example method comprises receiving sensor data from multiple wind turbines. A wind turbine includes a gearbox, a generator, and multiple gearbox and generator subcomponents. Health indicators may be determined for the gearbox and generator subcomponents with varying lead times. The health indicators correspond to alerts for current or predicted problems of the gearbox and generator subcomponents and have either low severity, medium severity, or high severity risk levels. A machine learning model trained on sensor data may generate the alerts. The multiple wind turbines may be displayed in a list that may be sortable by health indicators for the gearbox subcomponents and the generator subcomponents. The list may be filterable by alerts for the gearbox subcomponents or the generator subcomponents.

STATOR OF AN ELECTRICAL MACHINE

Resumen de: WO2024256188A1

It is described a stator (110) of an electrical machine (100), in particular permanent magnet synchronous machine, comprising: plural stator segments (S1, S2) arranged circumferentially adjacent to each other to form a ring covering a whole circumference; each stator segment (S1, S2) having plural teeth (115) with plural slots (116) in between the teeth and having a, in particular exactly one, multiple phase winding set (117) at least partially arranged in the slots; wherein the stator segments are grouped in at least two stator segment groups; wherein winding sets of each group of the stator segment groups are connected in parallel to each other; wherein each of the stator segments (S1, S2) of any considered stator segment group has at least one stator segment of another stator segment group different from the considered stator segment group immediately circumferentially adjacent arranged.

Collision prevention apparatus

Resumen de: GB2640440A

A wind extraction device (wind turbine) having a collision prevention apparatus proximate to the wind turbine’s blade 1 to prevent objects from coming into contact with the blades. The collision prevention apparatus may have a protective mesh 2 with wire strands of 5mm thickness and interstitial spaces of 10mm that occupies a parallel plane to the swept area of the turbine blades, and a solid sheet cowl 6 arranged around the turbine blades. The device may also comprise a power converter 5 that is mechanically coupled to the turbine blade.

WIND TURBINE BLADE COMPRISING A TRAILING EDGE SECTION HAVING A PLURALITY OF SLITS WITH VARYING LENGTHS

Nº publicación: EP4634525A1 22/10/2025

Solicitante:

LM WIND POWER AS [DK]
LM Wind Power A/S

Resumen de: CN120380251A

The invention relates to a wind turbine blade having a profiled profile comprising a pressure side and a suction side, and a leading edge and a trailing edge wherein a chord having a chord length extends between the leading edge and the trailing edge, the wind turbine blade extending in a spanwise direction between a root end and a tip end, wherein the wind turbine blade comprises a trailing edge section defined between a first trailing edge section end and a second trailing edge section end, where the trailing edge section comprises a plurality of slits comprising: a first plurality of slits extending a first distance from the first trailing edge section end towards the second trailing edge section end, and a second plurality of slits extending a second distance from the first trailing edge section end toward the second trailing edge section end, where the second distance is less than the first distance, and where the trailing edge section is part of the wind turbine blade, or where the trailing edge section is part of a trailing edge panel attached to the wind turbine blade.