Resumen de: US2023178994A1

A method for operating a wind farm having a string (S1-S3) of wind turbines (100-100d) which are electrically connectable with each other and a grid (510, 550) via power connections (Cab-Cd) is disclosed. Each wind turbine includes a rotor (106) with rotor blades (108), and a power conversion system (118, 210, 238) mechanically connected with the rotor (106). The method includes disconnecting the string (S1-S3) from the grid (510, 550), and identifying a primary wind turbine (100a, 100c) of the disconnected string (S1-S3) which is electrically connectable with at least one secondary wind turbine (100b-10d) of the disconnected string (S1-S3). The power conversion system (118, 210, 238) of the primary wind turbine (100a, 100c) includes a reactive power capability (RPC) that at least matches a reactive power (RP) of a cluster (C1, C11, C12) to be formed by electrically connecting the primary wind turbine (100a, 100c) with the at least one secondary wind turbine (100b-100d) of the disconnected string (S1-S3).

Resumen de: US2023178996A1

A method can be used to control a voltage source converter of a power supporting arrangement to act as a virtual synchronous machine. The method includes obtaining a measured power level of the converter, processing the measured power level using a differential equation of an angular velocity of the virtual synchronous machine in order to obtain a control contribution, providing a phase angle of a physical quantity used to control the converter based on the control contribution, monitoring the ability of the converter to act as a virtual synchronous machine, determining that the ability of the converter to act as a virtual synchronous machine is deemed insufficient, and adjusting the control contribution by increasing the damping term and/or decreasing the moment of inertia term in response to determining that the ability of the converter to act as a virtual synchronous machine is deemed insufficient.

Resumen de: US2023178995A1

Systems include one or more critical datacenter connected to behind-the-meter flexible datacenters. The critical datacenter is powered by grid power and not necessarily collocated with the flexboxes, which are powered “behind the meter.” When a computational operation to be performed at the critical datacenter is identified and determined that it can be performed at a lower cost at a flexible datacenter, the computational operation is instead routed to the flexible datacenters for performance The critical datacenter and flexible datacenters preferably shared a dedicated communication pathway to enable high-bandwidth, low-latency, secure data transmissions.

Resumen de: US2023179039A1

A permanent magnet electrical machine is provided including a rotor body and a plurality of permanent magnet modules arranged around a rotational axis of the permanent magnet electrical machine, each permanent magnet module including at least a permanent magnet and a baseplate, the baseplate including a base side for attaching the permanent magnet module to the rotor body of the permanent magnet machine and an opposite top side for attaching the permanent magnet to the baseplate. The rotor body includes at least a cavity housing a non-magnetic and/or non-conductive medium for creating a magnetic flux barrier between the rotor body and the permanent magnet module. The baseplate may include a protrusion. The protrusion may be shaped as a dovetail. One or elastomeric inserts may be provided between the baseplate and the rotor body.

Resumen de: US2023179044A1

A rotor for a permanent magnet electrical machine that includes a rotor house having a rotor house yoke, the rotor house yoke including for each of plural permanent magnet units, a magnet unit contact face and at least one through hole, at least one permanent magnet unit having a rotor house contact face, a fixing material portion between the magnet unit contact face of the rotor house yoke and the rotor house contact face of the magnet unit for fixing the magnet unit to the rotor house.

Resumen de: US2023178988A1

Aspects of the present invention relate to a method of voltage control for at least one wind turbine generator configured to absorb and supply reactive power on demand, the method comprises: receiving a dispatch signal from a power plant controller indicating a reactive power set point; determining a terminal voltage level of the at least one wind turbine generator; generating a reactive power correction value based on a deviation of the terminal voltage level from a voltage set point; adjusting the reactive power set point by the reactive power correction value; and controlling the at least one wind turbine generator according to the adjusted reactive power set point.

Resumen de: EP4191057A1

The invention describes an apparatus (1) for inspecting an adhesive layer (30) applied about the leading edge (20PLE, 20SLE, 2LE) of a wind turbine rotor blade (2), which apparatus (1) comprises a heating assembly (1H) configured to direct heat at a portion (P, Phot) of the adhesive layer (30) between the outer edges (30P, 30S) of the adhesive layer (30); an infrared imaging means (1IR) arranged to obtain an infrared image (11IR) of a heated portion (Phot); and a displacement means (13, 14) adapted to move the inspection apparatus (1) alongside the rotor blade (2) during operation of the heating assembly (1H) and the infrared imaging means (1IR) to facilitate infrared imaging of the adhesive layer (30).

Resumen de: EP4191053A1

Es wird ein Windenergieanlagen-Rotorblatt (200) mit einer Rotorblattschale (210, 220), welche ein Innenvolumen (203) umgibt, und mindestens einer Querschnittsverengung (300, 310, 320, 330) zur Verengung eines freien Querschnitts des Innenvolumens (203) vorgesehen.

Resumen de: EP3974649A1

The invention relates to a nacelle (10) for a wind turbine (1), whereby the nacelle (10) comprises a nacelle support structure (11) inside of the nacelle (10), to which at least one tuned mass damper (20) is attached, whereby the at least one tuned mass damper (20) is tuned to target at least one specific nacelle mode.

Resumen de: EP3964707A1

A method of controlling the operation of a wind turbine is provided, wherein a control scheme is determined for the wind turbine (110), wherein the control scheme specifies for a future period of time at least a first operating period (tl) in which the wind turbine (110) is operated to provide an output of electrical power to a power grid (200) and at least one shutdown period (t2) in which the wind turbine (110) is shut down, the shutdown period (t2) being arranged temporally after the first operating period (tl). The wind turbine (110) is operated in accordance with the control scheme. Determining the control scheme comprises the obtaining of input data, wherein obtaining input data comprises at least monitoring operation of the wind turbine (110) to obtain monitoring data related to the integrity of the wind turbine (110), and obtaining weather data indicating weather conditions, and the forecasting of two or more operating parameters. Based on the at least two or more forecasted operating parameters of the wind turbine (110), the control scheme is determined for the wind turbine (110) such that one or more optimization parameters are optimized.

Resumen de: WO2022022791A1

A wind turbine blade comprising a lightning protection system, which is at least partly disposed in an inboard portion of the blade. The lightning protection system comprises a down conductor cable having root and tip portions having insulation with different electrical breakdown voltages. The lightning protection system may comprise a down conductor cable portion and a supporting component to hold the cable portion in free space in a position near or on a camber line of the blade aerofoil section, so that the cable portion is spaced apart from at least one electrically conductive structural component; and/or a plurality of inboard down conductor cables and a diverging electrical junction.

Resumen de: WO2022022790A1

A wind turbine blade comprising a lightning protection system, which is at least partly disposed in an inboard portion of the blade. The lightning protection system comprises a down conductor cable portion and a supporting component to hold the cable portion in free space in a position near or on a camber line of the blade aerofoil section, so that the cable portion is spaced apart from at least one electrically conductive structural component. The lightning protection system may comprise a plurality of inboard down conductor cables and a diverging electrical junction; and/or a down conductor cable having root and tip portions having insulation with different electrical breakdown voltages.

Resumen de: WO2022022789A1

A wind turbine blade comprising a lightning protection system, which is at least partly disposed in an inboard portion of the blade. The lightning protection system comprises a plurality of inboard down conductor cables and a diverging electrical junction. The lightning protection system may comprise a down conductor cable having root and tip portions having insulation with different electrical breakdown voltages and/or a down conductor cable portion and a supporting component to hold the cable portion in free space in a position near or on a camber line of the blade aerofoil section, so that the cable portion is spaced apart from at least one electrically conductive structural component.

Resumen de: WO2022023364A1

The invention relates to an elastomer bushing for an elastic bearing of a drive train component of a wind turbine, in particular a transmission on a housing, such as a machine carrier, of a wind turbine, comprising two half-shells each made of an elastomer piece with a Shore hardness of more than 85 Shore A, at least one half-shell having an axial stiffness varying in the direction of its longitudinal axis.

Resumen de: EP3951165A1

A system and method for transporting a wind turbine tower (1). A vessel (6) is used to transport one or more towers (1) to an installation site. A cradle (4) is provided for securing the one or more towers (1) in a horizontal orientation during transportation. An upending device (5,10) is used to transition the one or more towers (1) from the horizontal orientation to a vertical orientation for subsequent connection to a foundation at the installation site.

Resumen de: WO2022023279A1

Described is a device for placing a component of a wind turbine on a wind turbine tower. The device comprises a hoisting means with a hoisting cable for taking up the component. A positioning tool is connected to the hoisting cable by means of an intermediately arranged intermediate construction which forms part of the positioning tool. A guide frame of the positioning tool is connected on one side to the intermediate construction and is provided on another side with engaging means for engaging a peripheral part of the wind turbine tower. The invention likewise relates to a method which makes use of the invented device.

Resumen de: WO2022023190A1

This wind turbine (100), the rotor of which has a vertical axis (103), is mounted on a base (101) and equipped with a frame (105) which is fixed relative to the base. The height of the frame is substantially equal to that of the aerial portion of the rotor axis. The frame uprights form polygons contained in at least two vertical planes and at least one horizontal plane different from the upper surface of the base. At least one main reinforcing cross-member (108), with a direction being contained within a horizontal plane and intersecting with the axis of the rotor close to the upper end of said axis, is attached to the frame. It is further provided with a guide device rotating with the rotor.

Resumen de: WO2022022919A1

The invention relates to an assembly, comprising a first planetary stage (101) and a second planetary stage (103), wherein a sun gear (101d) of the first planetary stage (101) and a planet carrier (103b) of the second planetary stage (103) are interconnected for conjoint rotation by means of a spline joint (113). The sun gear (101d) integrally forms inner teeth, and a first cheek of the planet carrier (103b) or a sun shaft (111) integrally connected to the first cheek integrally forms outer teeth of the spline joint (113).

Resumen de: EP4191056A2

Die Erfindung betrifft ein Verfahren (1000) zum Herstellen von Teilschalen (310, 320) eines Stahlturmringsegments (200), insbesondere zum Errichten, eines Turms (102) einer Windenergieanlage (100). Das Verfahren (1000) umfasst Bereitstellen eines Stahlturmringsegments (200), Vorsehen von ersten Verbindungsflanschen (411a, b) an einer ersten geplanten Trennlinie (410) und von zweiten Verbindungsflanschen (421a, b) an einer zweiten geplanten Trennlinie (420), Trennen an der ersten geplanten Trennlinie (410), Trennen an der zweiten geplanten Trennlinie (420), wobei beim Trennen an der zweiten geplanten Trennlinie (420) die ersten Verbindungsflansche (411a, b) temporär miteinander verbunden sind.

Resumen de: WO2019129373A1

The invention relates to the use of laser beams for measuring rotors, in particular wind turbines, for determining an imbalance or defining the absolute setting angle and/or measuring a half-profile of a rotor blade, and a method for determining a torsion of the rotor blade as a deviation between two pitch angles. In contrast to the solution in EP 2582970A1, the invention enables the determining of the absolute pitch angle of a rotor blade during operation, without it being necessary to obtain information relating to the rotor blade or reference points with a known position relative to the pitch axis, in particular using measuring devices that are mobile and/or positioned on the ground. It is also possible to contactlessly detect imbalances.

Resumen de: WO2011020831A2

The present invention relates to a charging device (1) for charging electrical stores (28) of electric vehicles, comprising a feed unit (2) for feeding electrical energy into an electrical AC grid (14) comprising an electrical intermediate DC circuit (6) for intermediately storing electrical energy, having an intermediate circuit voltage, and an inverter (8) provided for converting a DC current and/or a DC voltage of the intermediate DC circuit (6) into an AC current, for feeding into the electrical AC grid (14) and for converting an AC current from the AC grid (14) into a DC current and/or into a DC voltage for feeding into the intermediate DC circuit (6), and at least one rechargeable battery unit (4) and/or at least one charging connection for connecting a rechargeable battery unit (4) for at least partially charging one of the electrical stores (28) from the intermediate DC circuit (6) and/or for at least partially discharging one of the electrical stores (28) into the intermediate DC circuit (6).

Resumen de: EP4191052A1

A wind turbine blade (3), comprising two planks (8, 9) joined with each other in a longitudinal direction (L1) of the planks (8, 9) at joining surfaces (12, 13) by a butt joint (14), whereineach plank (8, 9) comprises a main portion (18, 20) with a wedge-shaped recess (19, 21) and a wedge-shaped portion (15, 16) filling the recess,each wedge-shaped portion (15, 16) has a respective one of the joining surfaces (12, 13) and is tapered from its joining surface (12, 13) in a direction (D1, D2) away from its joining surface (12, 13), anda stiffness of a material of the wedge-shaped portions (15, 16) is smaller than a stiffness of a material of the main portions (18, 20).By having the wedge-shaped portions, the load is transferred to the surrounding material over a larger area which reduces the stress concentration.

Resumen de: EP4191059A1

The present invention relates to a method for controlling heating of rotor blades (108) of an aerodynamic rotor (106) of a wind turbine (100, 100'), wherein, the heating of the rotor blades (108) is initiated, if icing of the rotor blades (108) is expected, wherein according to an icing criteria, if icing is expected is evaluated depending on a determined ambient temperature, a determined relative humidity, and a determined wind speed, each defining a determined weather parameter, and further according to the icing criteria, if icing is expected is evaluated depending on a temporal change of at least one of these weather parameters and/or of at least one other weather parameter.

Resumen de: EP4190847A1

A porous material provided with a reactive component capable of reacting with an infusion resin is described. In addition, a method of producing a wind turbine blade or a part thereof is described, the method comprising providing a mold containing the porous material, applying an infusion resin into the mold by a vacuum infusion method, in particular vacuum assisted resin transfer molding (VARTM), and curing the infusion resin. A wind turbine blade or a part thereof obtainable by this method is described as well.

Resumen de: EP4191054A1

A method for operating a wind farm having a string (S1-S3) of wind turbines (100-100c) which are electrically connectable with each other and a grid (510, 550) is disclosed. Each wind turbine includes a rotor (106) with rotor blades (108), a power conversion system (118, 210, 238) mechanically connected with the rotor (106), and at least one auxiliary subsystem (105, 109). The method includes operating the wind turbines of the string in an island operating mode in which the wind turbines are not connected with the grid, and the respective at least one auxiliary subsystem is supplied with electric power generated by the power conversion system of the respective wind turbine; detecting that the rotor of one of the wind turbines is exposed to a wind condition at which at least one of the rotor blades is at risk of stalling at the currently generated electric output power; and increasing the electric power generated by the power conversion system of the one of the wind turbines by an electric power amount which is sufficient for suppling the at least one auxiliary subsystem of at least one of the other wind turbines of the string.