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SENSOR, ARRANGEMENT AND SYSTEM

Resumen de: WO2025250066A1

The present invention relates to a sensor (120) for indicating the presence of water and/or ice at a surface of a structure. The sensor (120) comprises: an electrical power source (122), a first conductive element (124) connected to a first pole of the power source (122), and a second conductive element (126) connected to a second pole of the power source (122), wherein the first conductive element (124) and the second conductive element (126) are arranged with a mutual distance (d) between them at the surface (210); wherein the sensor (120) is configured to: indicate the presence of water and/or ice at the surface (210) when an electrical current (/) flows between the first conductive element (124) and the second conductive element (126). The invention also relates to an arrangement (100) comprising such a sensor and a system (300) comprising such an arrangement (100).

TOWER POLE LIGHTNING PROTECTION DEVICE IN WHICH PART REPLACEMENT IS FACILITATED

Resumen de: WO2025247030A1

Disclosed is a tower pole lightning protection device in which part replacement is facilitated in the field of lightning rod maintenance. The lightning protection device comprises: a support assembly, a base being provided at the bottom of the support assembly, several fixing rings being connected to the support assembly, and lifting rods being fixedly connected to the fixing rings; and a detachment assembly, comprising a lightning protection connecting seat slidably connected to each lifting rod, a lightning rod being fixedly connected to the lightning protection connecting seat, and a driving motor used for driving the lightning protection connecting seat to slide up and down along the lifting rod being provided on the base. The present invention has the beneficial effect of each lightning protection connecting seat being driven by means of the driving motor to slide up and down along the lifting rod, so that rapid replacement of the lightning rod can be achieved, thereby reducing potential safety hazards while improving maintenance efficiency.

SUPPORTING COMPOSITE RIGID TOWER FOR WIND TURBINE AND MOUNTING METHOD THEREFOR

Resumen de: WO2025246722A1

A new supporting composite rigid tower for a wind turbine comprises the following, which are arranged in sequence from bottom to top: a tower foundation connected to a tower; three or more conical multi-section rigid tower tubes of the same specification, which are closely arranged to serve as a base of the supporting composite tower; a connecting transition section connecting the base to an upper tower; and an upper multi-section conical tower tube designed on the basis of the height of the whole apparatus and use requirements. The upper multi-section conical tower tube connects a wind turbine main unit and impellers. By means of the hoisting of each conical tower tube section and the connection of tube section flanges with high-strength bolts, the construction and mounting of the tower base, the connecting transition sections of the tower and the upper tower tube are completed in sequence, and finally, the implementation and application of the wind turbine are achieved. The rigid tower can also be widely used in the fields of power, communication and building engineering as a rigid support platform.

System und Verfahren zum kombinierten Testen eines Rotorblatts einer Windenergieanlage und eines Rotorblattlagers einer Windenergieanlage

Resumen de: DE102024115205A1

Die Erfindung betrifft ein System zum kombinierten Testen eines Rotorblatts (2) einer Windenergieanlage und eines Rotorblattlagers (3) einer Windenergieanlage, umfassend: eine Prüfstandbasis (1) mit einem an der Prüfstandbasis (1) angeordneten Prüfstandlager (4), wobei das Prüfstandlager (4) eingerichtet ist, das Rotorblattlager (3) mit dem daran angeordneten Rotorblatt (2) aufzunehmen, so dass mittels des Prüfstandlagers (4) ein Drehfreiheitsgrad für das Rotorblattlager (3) bereitgestellt ist; einen Pitch-Lock-Mechanismus (7, 7') zum Bereitstellen eines festgelegten Pitchs des Rotorblatts (2) gegenüber der Prüfstandbasis (1); eine erste Rotationsaktorik (5) zum Beaufschlagen des Rotorblattlagers (3) mit einer Rotationsbewegung, zum Testen des Rotorblattlagers (3); eine Blattaktorik (9) zum Auslenken des Rotorblatts (2), zum Testen des Rotorblatts (2). Die Erfindung betrifft auch ein Verfahren zum kombinierten Testen eines Rotorblatts (2) einer Windenergieanlage und eines Rotorblattlagers (3) einer Windenergieanlage.

Gleitlagersegment zum hydrodynamischen Lagern einer Rotorwelle einer Windenergieanlage

Resumen de: DE102024115517A1

Die Erfindung betrifft ein Gleitlagersegment (1,2) zum hydrodynamischen Lagern einer Rotorwelle (3) einer Windenergieanlage (4), aufweisend zumindest die folgenden Komponenten:- eine Gleitfläche (5) zum reibungsarm rotierbaren Abstützen einer Rotorwelle (3); und- einen Sockel (6), in welchem die Gleitfläche (5) aufgenommen ist,wobei die Gleitfläche (5) mittels des Sockels (6) in einer Lageraufnahme (7) eines Lagergehäuses (8) positioniert fixierbar ist. Das Gleitlagersegment ist vor allem dadurch gekennzeichnet, dass der Sockel (6) gehäuseseitig eine Justageaufnahme (9) aufweist, mittels der ein separates Justageelement (11) zum Einstellen eines Abstands (10) zwischen der Gleitfläche (5) und der Lageraufnahme (7) aufnehmbar ist.Mit dem vorgeschlagenen Gleitlagersegment ist das Lagerspiel eines hydrodynamischen Gleitlagers kostengünstig und schnell einstellbar.

Wellenverbinder

Resumen de: DE102024205143A1

Die Erfindung betrifft eine Anordnung mit einer Welle (103), einer Hohlwelle (109) und einem Verbinder (107); wobei die Welle (103) und die Hohlwelle (109) mittels des Verbinders (107) drehfest fixiert sind und sich ausgehend von dem Verbinder (107) in dieselbe axiale Richtung erstrecken. Der Verbinder (107) bildet einen Hohlraum aus, der ein axiales Ende der Hohlwelle (109) aufnimmt.

Elektrolysesystem für ein Offshore-Bauwerk

Resumen de: DE102024114960A1

Die Erfindung betrifft ein Elektrolysesystem für ein Offshore-Bauwerk, umfassend mindestens einen Elektrolyseur, eingerichtet zum Generieren von Wasserstoff und von unter Druck stehendem Sauerstoff, und mindestens eine erste gasbetriebene Pumpe, eingerichtet zum Fördern von Wasser auf das Offshore-Bauwerk, wobei die erste gasbetriebene Pumpe mit dem Elektrolyseur fluidtechnisch gekoppelt ist, derart, dass die erste gasbetriebene Pumpe mit dem generierten und unter Druck stehenden Sauerstoff antreibbar ist.

A METHOD FOR OPTIMIZING HOISTING PERFORMANCE OF A WIND TURBINE HOISTING SYSTEM.

Resumen de: WO2025247939A1

The present invention presents a method for optimizing hoisting performance of components in situ using an up- tower crane (1) mounted in or on a wind turbine (11) nacelle (8). The method reduces the operation complexity, time consumption and costs of hoisting before, during and after the hoisting procedure and at the same time narrow down the working location to a minimum. A wind turbine (11) comprises a tower (12) and a nacelle (8) having a hub (9) end and a hoisting system comprises an up- tower crane (1) arranged in or on the nacelle (8), wherein the up- tower crane (1) is configured to hoist a component (13) according to a load rating chart. The lifting capacity of the up- tower crane (1), in cooperation with the wind turbine (11), is defined by the load rating chart. The load rating chart defines a plurality of hoisting zones (5,10,30,31,50,51) having different lifting capacity. The up- tower crane (1) comprises a crane boom (3) and a main wire having a hook arrangement (4, 14). The up- tower crane (1) is configured to yaw into at least one crane (1) yaw position. The method comprises the following acts of: - selecting at least one of said plurality of hoisting zones (5,10,30,31,50,51), - determining a first nacelle (8) yaw position of said nacelle (8), - determining a first load position of said component (13), - yawing said up- tower crane (1) to a first crane (1) yaw position, such that said crane boom (3) extends in a boom direction of the nacelle (8)'s hub (9) end

A WIND POWER PLANT COMPRISING A WIND TURBINE WITH A VERTICAL ROTATIONAL AXIS

Resumen de: WO2025247434A1

The present invention relates to a wind power plant comprising at least one wind turbine (1) having a vertical rotational axis and a support column (4) having a support assembly. The wind turbine (1) comprises a horizontally mounted rotor with blades (11, 11 ') arranged from above on the support column (4) and at least one power generator (16). The support assembly comprises a base (6) for housing at least one wind turbine (1) comprising three vertically arranged blade modules (2) arranged one above the other. Each blade module (2) comprises three vertically arranged blades (11, 11 '), each of which is mounted on its own alignment shaft (12), wherein the three alignment shafts (12) are arranged vertically parallel to each other. The blades (11, 11 ') of the blade module (2) are arranged symmetrically in one horizontal plane so that together they form substantially a propeller without a direct common centre fit. Each individual alignment shaft (12) is common to a trio of superimposed blades (11, 11 '), one from each blade module (2) belonging to a single wind turbine assembly (1). The wind turbine (1) is arranged in a cage (5), which is part of the support assembly, to protect the wind turbine from birds and larger flying objects.

WIND TURBINE WITH HIGH TIP MASS AND TENSIONING MEMBER

Resumen de: WO2025247815A1

A rotor arm for use in a wind turbine, the rotor arm having a hub end and a tip end, a mass member being provided near the tip end having a weight of between 10% and 100%, preferably between 20% and 50% of the weight of the rotor arm, the mass member being connected to the hub end of the blade or to another mass member of another rotor arm of the wind turbine.

MODIFIED POLYURETHANE MATERIAL WITH EXCELLENT RAIN EROSION RESISTANCE AND WEATHER RESISTANCE, AND PREPARATION METHOD AND USE THEREOF

Resumen de: US2025368823A1

The present disclosure provides a modified polyurethane material with excellent rain erosion resistance and weather resistance, and a preparation method and use thereof. In the present disclosure, a hydroxyl-terminated liquid fluoro rubber and a hydroxyl-terminated silane are adopted as modification materials to introduce silicon-containing and fluorine-containing materials into polyurethane. In addition, a filler and a corresponding additive are added, and physical cross-linking points are formed from the filler to further adsorb hydroxyl-terminated silicon/fluorine, so as to produce a homogeneous material. In this way the modified polyurethane material with excellent rain erosion resistance and weather resistance is obtained.

発電装置付洪水防止装置及び工事代金償還方法

Resumen de: JP2025176632A

【課題】実質的に設置工事費用を低減できる発電装置付洪水防止装置を提供する。【解決手段】発電装置付洪水防止装置１０は、止水構造２０と、止水構造２０上に離間して設けられた複数の柱３０と、各柱３０に設けられた風力発電機４０と、隣接する柱３０で固定されるソーラーパネル５０とから構成される。【選択図】図１

HANG-OFF ASSEMBLY FOR POWER CABLES, HANG-OFF SYSTEM AND METHOD FOR MOUNTING SUCH A HANG-OFF SYSTEM

Resumen de: US2025372966A1

An example hang-off assembly for a power cable includes a frusto-conical tube configured to be arranged around a length of the power cable comprising at least one cable core and at least one protecting layer radially external to the at least one cable core. The frusto-conical tube is configured to be arranged where the at least one cable core is exposed. The frusto-conical tube is made of two half-shells coupled to each other and defines a first opening and a second opening opposite to the each other. The first opening is circumferentially smaller than the second opening. The hang-off assembly includes a space disposed between the frusto-conical tube and the at least one cable core of the power cable, the space being configured to hold a cured self-curing resin adhering to the at least one cable core.

SYSTEM COMBINATION COMPRISING AT LEAST TWO ELECTROLYSIS SYSTEMS AND A POWER SUPPLY SOURCE

Resumen de: US2025373010A1

A system combination having at least two electrolysis systems, a power supply source having a direct voltage output, and a central supply line is provided. The central supply line is connected to the direct voltage output of the power supply source, so that a direct current can be fed into the central supply line and a central DC network designed for high voltage is provided, to which DC network the electrolysis systems are connected by means of the central supply line. The power supply source has, as a power generator, a wind turbine, to which a rectifier having a direct voltage output is connected, the direct voltage output being designed for the high voltage.

ARTIFICIAL INTELLIGENCE IN CONTRACTUAL REPORTING FOR HYBRID POWER PLANTS

Resumen de: US2025371037A1

Embodiments herein describe improved techniques to evaluate and effectively communicate an LPE categorization. An initial LPE categorization may be generated from, for example, SCADA data collected at the wind turbine by a SCADA system. The initial LEP categorization and different categorization predictions from other auxiliary data sources also collected at the wind turbine may be evaluated by an LPE categorization AI system. This LPE categorization AI system is configured with categorization ML models. The LPE categorization system outputs a final LPE categorization which may differ from the initial LPE categorization.

A METHOD FOR REDUCING ROTOR IMBALANCE IN A WIND TURBINE

Resumen de: US2025369420A1

A method for controlling a wind turbine is disclosed. The wind turbine comprises three or more wind turbine blades, and blade connecting wires, each blade connecting wire extending between a connection point on one wind turbine blade and a connection point on a neighbouring wind turbine blade. The wind turbine further comprises pre-tension wires, each pre-tension wire being connected to one of the blade connecting wires and to a pre-tension adjustment mechanism . The method comprises measuring at least one parameter of the wind turbine, and deriving an estimate for a rotor imbalance of the wind turbine from the at least one measured parameter. The pre-tension adjustment mechanism is controlled based on the estimated rotor imbalance in order to counteract the rotor imbalance.

Self-propelled buoyant energy converter and method for deploying same

Resumen de: AU2025263901A1

WO 2018/156959 PCT/US20198/019529 The present invention provides a floating computational network, comprising: a plurality of buoyant energy converters configured to run onboard computers from power developed directly from one of ocean waves and wind; a plurality of flexible connectors each coupling a pair of said buoyant energy converters, where each buoyant energy converter is coupled to at least one other buoyant energy converter to establish a maximum distance between said pair of buoyant energy converters; wherein at least one flexible connector further comprises a data transmission cable for exchanging data between said pair of buoyant energy converters. WO 2018/156959 PCT/US20198/019529 The present invention provides a floating computational network, comprising: a plurality of buoyant energy converters configured to run onboard computers from power developed directly from one of ocean waves and wind; a plurality of flexible connectors each coupling a pair of said buoyant energy converters, where each buoyant energy converter is coupled to at least one other buoyant energy converter to establish a maximum distance between said pair of buoyant energy converters; wherein at least one flexible connector further comprises a data transmission cable for exchanging data between said pair of buoyant energy converters. ov o v

MOORING SYSTEM

Resumen de: AU2025211510A1

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.

ONLINE CONTROL OF BLADE-TOWER CLEARANCE IN WIND TURBINES

Resumen de: WO2025247483A1

The present disclosure relates to a method (100) of operating a wind turbine (10) comprising a tower (15), a rotor (18) with blades (22) and a plurality of actuators. The method (100) includes real time control of a clearance between the tower (15) and the blades (22). It comprises receiving wind turbine operational data (315) and using a first model (344) of the clearance between the tower (15) and the blades (22) to estimate a clearance based on the wind turbine operation data (315). The first model (344) takes into account blade dynamics and tower dynamics. Furthermore, the estimated clearance is used to, at least partially, define actuator commands for the wind turbine actuators. Finally, the method (100) comprises controlling the actuators according to the actuator commands. The disclosure also relates to a control unit (620) for a wind turbine (10) configured to implement such method (100).

METHODS FOR INSTALLING WIND TURBINE BLADES

Resumen de: WO2025247493A1

The present disclosure relates to methods (100) for rotating an unbalanced hub (20) of a wind turbine (10), to methods (200) for mounting at least one wind turbine blade (22) to a wind turbine hub (20) and to wind turbine hubs (20). A method (100) comprises removably connecting a blade holder (29) to the hub (20), and using a weight of the blade holder (29) to rotate the hub (20).

METHODS, SETS AND BLADES FOR INSTALLATION OF A WIND TURBINE BLADE

Resumen de: WO2025247492A1

The present disclosure relates to wind turbine blades (22), sets and methods (100) for mounting a wind turbine blade (22) to a wind turbine rotor hub (20). A method comprises hoisting and moving (110) a blade (22) to approach a rotor hub (20) such that a guiding funnel (33) guides a pin (24). One of the blade (22) and rotor hub (20) comprises the pin (24), and the other of the blade (22) and rotor hub (20) comprises the funnel (33) to receive the pin (24). A shock absorber (35) at least partially surrounds the guiding funnel (33) in a circumferential direction of the guiding funnel (33) to absorb kinetic energy along at least a radial direction (37) of the blade (22). The method further comprises further moving (120) the blade (22) towards the rotor hub (20), and introducing (130) a plurality of fasteners into a pitch bearing (72).

A WIND TURBINE

Resumen de: US2025369418A1

A pitch controlled wind turbine comprising a tower, a nacelle mounted on the tower, a hub mounted rotatably on the nacelle, and at least three wind turbine blades, wherein each wind turbine blade extends between a root end connected to the hub via a pitch mechanism, and a tip end; the wind turbine further comprising at least three blade connecting members, each blade connecting member extending between from a connection point on one wind turbine blade and towards a connection point on a neighbouring wind turbine blade, the connecting points each located at a connection region of a respective blade; and each wind turbine blade comprising a spar cap extending in a blade spanwise outboard direction between the root end and the tip end, and a reinforcing member having an anchor end and a connection end, the connection end having the connection point, the reinforcing member extending continuously from the connection point to the anchor end which overlaps a portion of the spar cap outboard of the connection point so as to transfer load between the spar cap and the respective connecting member.

垂直軸型風車

Resumen de: JP2025175743A

【課題】加工が簡単で低コストであり、エネルギーロスが少ない垂直軸型風車の提供。【解決手段】回転軸２の周りに等間隔で放射状に設けられた複数の大翼板３および小翼板４であり、それぞれ回転軸２の一回転方向Ｒ側に湾曲した１枚の金属板からなり、それぞれ複数の鱗状の切欠きによって形成された複数の鱗状片３４，４４であり、回転軸２の一回転方向Ｒと反対側に斜めに曲折された複数の鱗状片３３，４４を有する複数の大翼板３および小翼板４を備える垂直軸型風車１である。【選択図】図２

METHOD AND COMPUTER PROGRAM FOR MAXIMIZING THE POWER GENERATED BY A WIND TURBINE

Resumen de: EP4656873A1

A method and computer program for maximizing the power generated by a wind turbine are provided. The method comprises dividing a length of each turbine blade into different airfoils; obtaining a boundary layer separation point, a vortex shedding frequency and an amplitude of the dynamic lift and drag forces for each airfoil by analyzing the flow around each airfoil considering a wind speed, a turning speed and an angle of attack; implementing Active Flow Control (AFC) technology on each airfoil; performing, for each airfoil, wind speed and angle of attack, an AFC optimization process, through a parametric optimization or using an optimizer implementing an optimization algorithm, using the obtained boundary layer separation point and vortex shedding frequency, the AFC optimization process comprising obtaining different AFC parameters including a groove location, a groove width, a momentum coefficient, an inclination angle and a pulsating flow frequency; and integrating the different parameters along the turbine blade.

WIND TURBINE WITH HIGH TIP MASS AND TENSIONING MEMBER

Nº publicación: EP4656872A1 03/12/2025

Solicitante:

TNO [NL]
Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO

Resumen de: EP4656872A1

A rotor arm for use in a wind turbine, the rotor arm having a hub end and a tip end, a mass member being provided near the tip end having a weight of between 10% and 100%, preferably between 20% and 50% of the weight of the rotor arm, the mass member being connected to the hub end of the blade or to another mass member of another rotor arm of the wind turbine.