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507
resultados
Última actualización
19/06/2025 [07:22:00]
Resumen de: WO2024083456A1
It is described a method of operating plural wind turbines (2a,2b,2c) connected to a local grid (4) but isolated from any power providing utility grid (5), the method comprising: monitoring (6a,6b,6c) the wind turbines (2a,2b,2c) regarding at least one temporary stop requirement; selecting one or more of the wind turbines (2a,2b,2c) based on a closeness to the respective temporary stop requirement, in particular the lower the closeness the more urgent the temporary stop; entering, by at least one selected wind turbine (2a,2b) or by at least one non-selected wind turbine, a non-idle state thereby supplying power to the local grid.
Resumen de: WO2024094403A1
Preventing blade tower strike of a wind turbine A method of estimating a position of at least a part of a ro- tor blade of a rotor of a wind turbine during operation of the wind turbine is provided. The part of the rotor blade is a first part. The rotor blade (103) is deflected due to a de- flection motion of the rotor blade towards a tower (104) of the wind turbine (101) and the position is indicative of said deflection. The method (400) comprises measuring a first pa- rameter by a first measuring unit (107), wherein the measured first parameter is indicative of an absolute and/or a rela- tive position of at least a second part of the rotor blade (103) or of a further rotor blade (102) of the rotor. The method (400) further comprises measuring one or more second parameters by one or more second measuring units (108), wherein at least one of the one or more measured second pa- rameters is indicative of an absolute and/or a relative posi- tion of at least a third part of the rotor blade (103) or of the further rotor blade (102) of the rotor. The method (400) further comprises estimating the position of the at least first part of the rotor blade (103), wherein the estimating comprises employing a state estimator (210) that estimates a state of the rotor blade (103) based on at least the measured first parameter and the one or more measured second parame- ters and deriving the position from the estimated state of the rotor blade (103).
Resumen de: EP4571097A1
Die Erfindung betrifft eine windkraftbetriebene Vorrichtung zur Erzeugung von elektrischem Strom sowie ein Verfahren zur Erzeugung von elektrischem Strom durch Windkraft. Um eine Technik zur windbetriebenen Erzeugung von elektrischem Strom bereitzustellen, die einen verbesserten Wirkungsgrad aufweist, wird eine windkraftbetriebene Vorrichtung (1) zur Erzeugung von elektrischem Strom vorgeschlagen, mit einem Vertikalrotor (2), mit einer ersten Antriebswelle (3), die von dem Vertikalrotor (2) antreibbar ist, mit einer zweiten Antriebswelle (4), mit einem elektrischen Generator (5), der von der zweiten Antriebswelle (4) antreibbar ist, und mit einer bewegbaren Hebeleinrichtung (6), wobei die erste Antriebswelle (3) zum Antrieb der Hebeleinrichtung (6) mit dieser in Wirkverbindung steht, und wobei die Hebeleinrichtung (6) zum Antrieb der zweiten Antriebswelle (4) mit dieser in Wirkverbindung steht, wobei die Hebeleinrichtung (6) ein Hebelgestänge (7) umfaßt, welches Hebelgestänge (7) derart ausgeführt ist, daß es eine Pendelbewegung (10) zwischen einer ersten Pendelstellung und einer zweiten Pendelstellung vollführen kann, ohne die Wirkverbindung zu der ersten Antriebswelle (3) und zu der zweiten Antriebswelle (4) zu verlieren.
Resumen de: EP4572125A1
A method of detecting whether a stator distortion filter is connected to a generator of an electrical power system includes temporarily interrupting magnetic flux excitation of a generator of the electrical power system. The method also includes observing a sinusoidal waveform of one or more electrical feedbacks of the generator. Further, when the sinusoidal waveform persists longer than a predefined duration, the method includes determining that the passive load is connected to the generator of the electrical power system. When the sinusoidal waveform abruptly decays below a threshold in a time period less than the predefined duration, the method includes determining that the passive load is not connected to the generator of the electrical power system. Moreover, the method includes implementing a control action based on whether the passive load is connected to the generator of the electrical power system.
Resumen de: EP4572064A1
A method (400) for damping power oscillation in an electric power grid (102), comprising: performing (403) a procedure for determination of a phase shift between a filtered voltage signal (v<sub>filtered</sub>) and a filtered frequency signal (f<sub>filtered</sub>); based on the performed procedure, determining (404) which one of the filtered voltage signal (v<sub>filtered</sub>) and filtered frequency signal (f<sub>filtered</sub>) is leading or lagging in relation to the other one of the filtered voltage signal (v<sub>filtered</sub>) and filtered frequency signal (f<sub>filtered</sub>); based on the determination of which one of the filtered voltage signal (v<sub>filtered</sub>) and filtered frequency signal (f<sub>filtered</sub>) is leading or lagging, setting (405) a gain (144) of a power oscillation damping controller (142) to be positive or negative; applying (406) the power oscillation damping controller (142) with the set gain (144) so as to produce an output signal outputted from the power oscillation damping controller (142); and based on the produced output signal, controlling (407) an injection of electric power to the electric power grid (102) so as to dampen power oscillation in the electric power grid (102).
Resumen de: EP4571102A1
A method for reducing gear induced noise from a wind turbine is disclosed. A first vibration map (18) and a second vibration map (19) are generated, specifying, for each of a plurality of operating points of the generator (5), a virtual phase of vibrations originating from gear tooth meshing of the gearbox (3), relative to a first and second reference phase, at the respective operating points. An overlap (22) between operating points of the first vibration map (18) and operating points of the second vibration map (19) is identified and virtual phases within the overlap (22) are compared, thus deriving a phase offset between the first vibration map (18) and the second vibration map (19). The virtual phase of vibrations of each of the operating points of the second vibration map (19) are adjusted according to the phase offset, so as to align the first vibration map (18) and the second vibration map (19, 20), and the first vibration map (18) and the second vibration map (19, 20) are combined into a resultant vibration map (21).
Resumen de: EP4571101A1
A method for tracking a gear tooth meshing angle of a gearbox (3) of a wind turbine is disclosed. An initial reference virtual gear tooth meshing angle of the gearbox (3) is selected, and an angular position of a high speed shaft (6) and/or a low speed shaft (4) of the gearbox (3) is monitored. A virtual gear tooth meshing angle relative to the reference virtual gear tooth meshing angle is estimated, based on the monitored angular position of the high speed shaft (6) and/or the low speed shaft (4) and on information regarding topology of the gearbox (3). A number of full rotations of the high speed shaft (6) and/or the low speed shaft (4) which corresponds to an integer number of full periods of gear meshing of the gearbox (3) is calculated, and the reference virtual gear tooth meshing angle is reset each time the high speed shaft (6) and/or the low speed shaft (4) has performed the calculated number of full rotations. The estimated virtual gear tooth meshing angle is applied to a periodic noise signal of the wind turbine.
Resumen de: EP4571100A1
A system and method operate a wind farm having a plurality of wind turbines, and include determining a wind direction of a wind affecting the wind farm. Based on the wind direction, at least one upwind turbine is identified that produces a wake effect on one or more downwind wind turbines, the upwind wind turbine and affected downwind wind turbines defining a cluster. Based on a current yaw position of the upwind turbine and the wind direction, a yaw steer is determined for the upwind turbine to reduce the wake effect on the downstream wind turbines in the cluster. The yaw steer is based on increasing a net energy gain from the cluster, the net energy gain determined by subtracting an energy cost of the yaw steer from an increased energy production of the cluster resulting from the yaw steer. The upwind wind turbine is controlled to change yaw position in accordance with the yaw steer when the net energy gain satisfies a minimum threshold level.
Resumen de: EP4571137A1
Disclosed is a seal structure for an oil-lubricated bearing including a shaft system and a seal assembly. The shaft system includes a main shaft, a first bearing and a bearing seat. The bearing seat is formed with an oil return pipeline and an oil pool communicated with the oil return pipeline. The seal assembly includes an end cover, a first seal ring and a second seal ring. The end cover is provided around an outer periphery of the main shaft, the end cover is installed on the bearing seat, an oil return ring groove is formed on an inner wall surface of the end cover, and a bottom of the oil return ring groove is communicated with the oil return pipeline. The first seal ring and the second seal ring are provided oppositely at two sides of the end cover.
Resumen de: EP4571105A1
A clearance abnormality detection method for a wind turbine generator set. The method comprises: acquiring, from operation data of a generator set within a predetermined period of time, operation data of when an air speed is within a predetermined air speed range and a power is within a predetermined power range, and dividing the operation data into a plurality of operation data fragments; with regard to each operation data fragment, when a first specified clearance value therein is less than a first preset value and the operation data fragment meets a preset condition, determining the operation data fragment to be a clearance-abnormal fragment; and determining a clearance abnormality of the generator set according to the clearance-abnormal fragment. Further comprised are a clearance abnormality detection apparatus for a wind turbine generator set, and a medium, a system and a wind turbine generator set. The method can effectively solve the problem of it being impossible to predict a clearance risk of a wind turbine generator set in advance.
Resumen de: GB2636441A
An apparatus 100 for introducing skew to a fluid flow directed on to one or more vertical axis turbine , the apparatus comprising a support structure 102, 104 having mounted thereon a plurality of vertically spaced aerofoils 108 arranged to at least partially 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 vertical axis turbine(s). the skew angle may be in the range of +/-30 degrees, the aerofoils tilt may be between +/-40 degrees. There may be at least 10 aerofoils. The aerofoils may be static or adjustable. The system can have at least one horizontal axis wind turbine.
Resumen de: EP4571098A1
The present invention concerns a control method for controlling a wind turbine (15), the method comprising forming a control model of the wind turbine. The control model is configured to actively damp a tower pitch inclination (ϕ) by calculating, from a measurement of a tower pitch speed, a value of each controllable blade pitch angle to provide to a blade actuator (60). The control model comprises, for each blade, a compensation gain calculated based on a predetermined formula and representative of a wind turbine dynamic. Each compensation gain is configured to determine the corresponding controllable blade pitch angle.The control method comprises receiving, at a time instant, a measurement of the tower pitch speed.The control method comprises calculating a value of each controllable blade pitch angle based on the control model, and transmitting to the wind turbine, a control's command comprising the calculated value of each controllable blade pitch angle.
Resumen de: EP4571099A1
The present invention concerns a control method for controlling a wind farm (10) comprising a plurality of wind turbines (15i).The control method comprises a receiving, for successive time instants, estimated general wind velocities and estimated wind directions of wind (W), on the wind farm.The control method comprises determining, for an initial time instant, rotation commands by solving an optimization problem. The optimization problem aims at maximizing a power quantity representative of power generated by the wind farm, which comprises a first component and a second component,The first component depends on a local wind velocity at the contact of each wind turbine at an initial time instant. The second component depends on a set of calculated rotation commands for the wind turbines to rotate toward the estimated wind directions for each further time instant.The control method comprises sending the determined rotation command to each respective wind turbine.
Resumen de: EP4570639A1
An assembly (10) for producing offshore electricity comprising:- a wind turbine (12),- an elongated support (14) extending along an axis (Z) intended to be vertical, and adapted for floating on a body of water (16),- a buoyant system (18) surrounding a tubular casing (20) of the support around the axis, intended for floating in the body of water, and vertically free with respect to the support,- a plurality of anchoring members (24),- a first plurality of connecting members (26) connected to an anchoring portion (28) of the support and to at least some of the anchoring members, the first plurality of connecting members (26) being intended to be tensioned by the support,- a second plurality of connecting members (30) connected to the buoyant system and to at least some of the anchoring members, the second plurality of connecting members being intended to be tensioned by the buoyant system.
Resumen de: EP4571103A1
The présent disclosure relates to a method (100) for controlling a wind turbine (10) having a plurality of actuators (364). The method (100) comprises receiving operational data (366) of the wind turbine (10) and determining an operational state of the wind turbine (10). The method (100) comprises using a control model (370) to predict potential operational states depending on operation of the actuators (364) over a finite period of time. The control model (370) comprises an aeroelastic model (371) to détermine loads (375) based on operational data (366). The control model (370) further comprises a strength calculation module (372) to calculate secondary load parameters (374) from the loads (375), constraints being defined for the secondary load parameters. The method (100) comprises optimizing a cost function over an optimization period of time, subject to the constraints, to détermine an optimum trajectory comprising commands for the actuators (364). Finally, the method (100) comprises using the first commands of the optimum trajectory to control the actuators (364). The disclosure also relates to a controller (360) for a wind turbine (10) configured to implement such method (100).
Resumen de: EP4571104A1
The present invention provides rotor turn drive for the service intervention operation of wind turbine generator. During the service intervention the RTD (1) bracket is mounted on the frame of the wind power generator. The bearing and sprocket (12) is mounted on the bracket. The torque moment and loads which is connected to wire cut sprocket (2) though chain (3). Further, a torque wrench (6) or electric runner is used to rotate the shaft mounted with RTD Bracket with bearing and sprocket which in turn rotates the split sprocket and thereby moving the shaft of the generator.
Resumen de: EP4571144A1
A transmission of a 'radially moving teeth' type, comprising a fixed gear ring, a first drive member rotationally supported within the fixed gear ring, the first drive member defining a plurality of radially arranged apertures each of which accommodates a tooth element, and a second drive member which is rotationally supported within the first drive member. The tooth element engage with respective pivot pads. One or more of the plurality of pivot pads comprises: a pivot pad body configured to have a pivot portion shaped for engagement with an associated one of the radially-movable tooth elements of the transmission, the pivot portion extending along a pivot axis, wherein the pivot pad body further comprises an integral retainer formation configured to constrain movement of the associated radially-movable tooth element with respect to the pivot portion in the direction of the pivot axis. Advantageously, the retainer formation guards against movement of the pivot pad in a sideways direction with respect to the corresponding tooth element and achieves this in an elegant way by integrating the retainer formation into the pivot pad.
Resumen de: DE102023135559A1
Die Erfindung betrifft ein Verfahren zum Verbinden zweier Rotorblattsegmente (132, 134) eines Windenergieanlagenrotorblatts (110), das Verfahren aufweisend die Schritte:teilweises Einschrauben jeweils eines Verbindungsbolzens (146) in ein Paar von zueinander fluchtenden ersten und zweiten Lagerhülsen (140, 142), wobei jeder Verbindungsbolzen (146) eine zwischen den beiden Rotorblattsegmenten (132, 134) angeordnete hydraulische Mutter (158) zum Vorspannen des Verbindungsbolzens (146) aufweist, und wobei zwischen jeder hydraulischen Mutter (158) und der ersten Lagerhülse (140) oder zweiten Lagerhülse (142) ein Spalt ausgebildet ist,Festschrauben eines zu einer ersten hydraulischen Mutter (158a) gehörigen ersten Verbindungsbolzens (146a), der einen Abstandshalter (170) aufweist, so dass der zugehörige Spalt (172) im festgeschraubten Zustand geschlossen ist, ohne dass die weiteren Spalte (172) geschlossen werden,Festschrauben der weiteren Verbindungsbolzen (146), undBetätigen aller hydraulischen Muttern (158) derart, dass jeder Verbindungsbolzen (146) vorgespannt ist.
Resumen de: EP4571096A1
The present disclosure relates to methods for manufacturing a wind turbine blade. The methods comprise providing a first blade mold (100) in a first workstation (51), and providing a set of hinge devices (300) in the first workstation (51), the hinge devices (300) comprising a static member (302) and a movable member (301). Furthermore, the method comprises coupling a first tool (200) to the movable members (301) of the hinge devices (300) and rotating the movable members (301) with respect to the static members (302) to carry out one or more first operations with the first tool (200). The method also comprises coupling a second tool (400) to the movable members (301) of the hinge devices (300) and rotating the movable members (301) with respect to the static members (302) to carry out one or more second operations with the second tool (400). The present disclosure further comprises a system for use during manufacturing of a wind turbine blade (10).
Resumen de: EP4571095A1
The present disclosure relates to systems for demolding a wind turbine blade (10). The system comprises a demolding tool (550) comprising one or more grippers (551) configured to grip the wind turbine blade (10), the wind turbine blade (10) being held in a blade mold (100). The system further comprises one or more hinge devices (300) comprising a static member (302) and a movable member (301), the movable member (301) being configured to be connected to the demolding tool (550) and being further configured to rotate with respect to the static member (302) about a pivot axis (304). The present disclosure further comprises a method (900) for demolding a wind turbine blade (10).
Resumen de: DE102023135385A1
Die Erfindung betrifft eine Wegstrecke eines Landverkehrsweges mit wenigstens einer Fahrbahn für Kraftfahrzeuge. Die Wegstrecke zeichnet sich dadurch aus, dass der Fahrbahn wenigstens eine Windkraftanlage zugeordnet ist, dass die Windkraftanlage in Richtung der Wegstrecke seitlich zu der Fahrbahn angeordnet ist und dass die Windkraftanlage in einem fahrzeuginduzierten Strömungsbereich des Landverkehrswegs angeordnet ist.
Resumen de: DE102023135121A1
Die Erfindung betrifft eine windkraftbetriebene Vorrichtung zur Erzeugung von elektrischem Strom sowie ein Verfahren zur Erzeugung von elektrischem Strom durch Windkraft. Um eine Technik zur windbetriebenen Erzeugung von elektrischem Strom bereitzustellen, die einen verbesserten Wirkungsgrad aufweist, wird eine windkraftbetriebene Vorrichtung (1) zur Erzeugung von elektrischem Strom vorgeschlagen, mit einem Vertikalrotor (2), mit einer ersten Antriebswelle (3), die von dem Vertikalrotor (2) antreibbar ist, mit einer zweiten Antriebswelle (4), mit einem elektrischen Generator (5), der von der zweiten Antriebswelle (4) antreibbar ist, und mit einer bewegbaren Hebeleinrichtung (6), wobei die erste Antriebswelle (3) zum Antrieb der Hebeleinrichtung (6) mit dieser in Wirkverbindung steht, und wobei die Hebeleinrichtung (6) zum Antrieb der zweiten Antriebswelle (4) mit dieser in Wirkverbindung steht.
Resumen de: DE102023135122A1
Die Erfindung betrifft eine windkraftbetriebene Vorrichtung zur Erzeugung von elektrischem Strom sowie ein Verfahren zur Erzeugung von elektrischem Strom durch Windkraft. Um eine Technik zur windbetriebenen Erzeugung von elektrischem Strom bereitzustellen, die einen verbesserten Wirkungsgrad aufweist, wird eine windkraftbetriebene Vorrichtung (1) zur Erzeugung von elektrischem Strom vorgeschlagen, mit einem Vertikalrotor (2), mit einer ersten Antriebswelle (3), die von dem Vertikalrotor (2) antreibbar ist, mit einer zweiten Antriebswelle (4), mit einem elektrischen Generator (5), der von der zweiten Antriebswelle (4) antreibbar ist, und mit einer bewegbaren Hebeleinrichtung (6), wobei die erste Antriebswelle (3) zum Antrieb der Hebeleinrichtung (6) mit dieser in Wirkverbindung steht, und wobei die Hebeleinrichtung (6) zum Antrieb der zweiten Antriebswelle (4) mit dieser in Wirkverbindung steht.
Resumen de: DE102023135107A1
Ein Axiallagerung, insbesondere in einer Windkraftanlage (1), umfasst eine in einem Gehäuse (4) sowohl radial als auch mindestens einseitig axial hydraulisch gelagerte Welle (3), wobei zumindest die axiale Lagerung segmentiert ist. gehäuseseitige Axiallagersegmente (12) sind an einem um die Rotationsachse der Welle (3) drehbaren Träger (7) einzeln austauschbar gehalten.
Nº publicación: EP4569287A1 18/06/2025
Solicitante:
SIEMENS GAMESA RENEWABLE ENERGY AS [DK]
Siemens Gamesa Renewable Energy A/S
Resumen de: WO2024083445A1
The invention describes a heat transfer arrangement (1) for a first group (GL) and a second group (GH) of heat-dissipating components, comprising a fluid line circuit (14); a first heat exchanger (H1) arranged to circulate heat transfer fluid through the fluid line circuit (14); a second heat exchanger (H2) arranged to circulate heat transfer fluid through the fluid line circuit (14); wherein the fluid line circuit (14) includes a common fluid line (L12) comprising a first portion (L1) leading to a first component group (GL) and a second portion (L2) leading to a second component group (GH); and a fluid line junction (10) formed by the convergence of the outflow line (H1out) of the first heat exchanger (H1), the outflow line (H2out) of the second heat exchanger (H2), the first portion (L1) of the common fluid line (L12) and the second portion (L2) of the common fluid line (L12), wherein the outflow line (H1out, H2out) of each heat exchanger (H1, H2) subtends an acute angle (β, β1, β2) of at most 75° to the second portion (L2) of the common fluid line (L12).
BOPI
Sede Electrónica
