Abstract: Provided is an adaptable spoiler for a wind turbine rotor blade, including: a base element adapted to be connected at or integrated with a rotor blade; an airfoil element being attachable to the base element and having an airfoil shaped surface to be exposed to an air flow.

Abstract: A root assembly of a wind turbine blade for a wind turbine is provided. Also provided is a wind turbine blade including the root assembly and a wind turbine including the wind turbine blade.

Abstract: Bearing arrangement of a wind turbine, including a bearing with an outer ring and an inner ring and a lubrication fluid provided between both rings, and at least one sealing means arranged at each side of the bearing for sealing the gap between the outer and the inner ring, whereby each sealing means is fixed to one ring and contacts the other ring with a flexible lip-like sealing element, wherein a pressure device for at least temporarily providing a gas overpressure in the sealed gap for increasing the contact load of the lip-like sealing element to the ring is provided.

Abstract: A platform for a wind turbine, the platform including a lift beam for carrying a load of a transport cabin of a tower lift of the wind turbine is provided. By the lift beam being part of the platform, an easier installation of the platform and the lift beam is possible. Furthermore, less components are needed. Another advantage is that the lift beam is installed at a smaller height of the tower where the tower has a larger diameter compared to a conventional lift beam. This increases the available space for lift cables hanging from the lift beam.

Abstract: Provided is an arrangement for releasing fluid from a deformable container adapted to modify a state of an adaptable flow regulating device of a wind turbine rotor blade, the arrangement including: a valve connectable to the container; an exhaust tube connected to the valve, wherein the valve is adjustable to allow fluid communication between a lumen of the container and a lumen of the exhaust tube.

Abstract: A rotor blade of a wind turbineis provided, the rotor blade including a lift modifying device having at least one fluid jet module and at least one compressed fluid sources, wherein the at least one fluid jet module includes multiple fluid jets, which are fluidically connected to the at least one compressed fluid source, whereby the at least one fluid jet module is mounted as an add-on onto an outer surface of the suction side or the pressure side of the rotor blade. Also provided is a method for installing this rotor blade, whereby a rotor blade is provided and the at least one fluid jet module is mounted as an add-on onto the outer surface of the suction side or the pressure side of the rotor blade.

Abstract: A method of controlling a wind turbine including a plurality of rotor blades, a first controller for controlling an adaptive flow regulating system having a plurality of individually controllable adaptive flow regulating devices arranged on the rotor blades, and a second controller for controlling a pitch regulating system for regulating a pitch angle of each rotor blade. The method includes (a) determining a diagnostic value indicative of an operational efficiency of the adaptive flow regulating system, (b) determining a first gain value for the first controller and a second gain value for the second controller based on the diagnostic value, (c) applying the first gain value to control signals for the adaptive flow regulating system generated by the first controller, and (d) applying the second gain value to control signals for the pitch regulating system generated by the second controller, is provided.

Abstract: Provided is an arrangement for removing and/or exchanging a hydraulic fluid accumulator installed within a hub of a wind turbine, the arrangement including: a first pair of mounting legs each having at an upper portion connector for connecting to a hub component; a second pair of mounting legs each having at an upper portion connector for connecting to a hub component; a first bar connecting the first pair of mounting legs at a lower portion; a second bar connecting the second pair of mounting legs at a lower portion; an elongate resting structure for carrying an accumulator, the resting structure being at one end slidably supported by the first bar and at another end slidably supported by the second bar and being movable in a parallel manner traverse, in particular perpendicular, to a longitudinal direction the resting structure.

Abstract: Provided is a flange for connecting to a complementary flange, and wherein the flange includes a first flange-segment and a second flange-segment, wherein a) the first flange-segment includes a primary bolt circle including an annular arrangement of inclined openings; and a first annular connection face adapted to lie against a complementary second annular connection face of the second flange-segment; and b) the second flange-segment includes on two opposite sides annular connection faces adapted to lie against complementary annular connection faces; a primary aperture circle including an annular arrangement of openings; and a second body section with a secondary bolt circle including an annular arrangement of openings. Also provided is respective flange-segments, a method for manufacturing such flange and a tower construction.

Abstract: A bearing arrangement for a wind turbine including a bearing housing and a drive shaft, whereby the drive shaft is arranged within the bearing housing in an axial direction along a longitudinal axis of the bearing housing, the bearing arrangement further includes a downwind bearing and an upwind bearing, whereby the downwind bearing and the upwind bearing are arranged between the bearing housing and the drive shaft, wherein the downwind bearing and/or the upwind bearing is a radial bearing including multiple radial bearing pads, whereby each one of the multiple radial bearing pads is attached to one of a multiple radial bearing bodies of the radial bearing and the multiple radial bearing pads are arranged about the drive shaft is provided.

Abstract: Provided is a tool arrangement for pivoting a tower or a tower segment from a non-erected position to an erected position, including a bottom tool device with a first device section with an attachment to removably attach the first device section to a bottom mounting section, and with a second device section adapted to be arranged on the ground and being attachable or attached to the first device section, wherein the bottom tool device includes a pivot axis at least when the first and the second device sections are attached to each other, wherein the tower or the tower segment, when fixed to the bottom tool device, is pivotable around the pivot axis when being erected, wherein, when the tower or the tower segment is fixed to the bottom tool device, the pivot axis is perpendicular to the longitudinal axis of the tower or the tower segment.

Abstract: A segmented stator for a generator, for a wind turbine is provided. The stator includes a plurality of teeth and slots for coil windings, wherein the teeth extend from a yoke of the stator in a radial direction of the stator. The stator includes at least a first stator segment having a first end-surface in a circumferential direction of the stator and a second stator segment having a second end-surface in the circumferential direction of the stator, wherein the first and second end-surfaces are arranged adjacent to each other to form the stator. The first end-surface includes first protrusions protruding the circumferential direction of the stator and first recesses therebetween, the first protrusions forming first teeth extending from the yoke of the stator in the radial direction of the stator.

Abstract: A method for manufacturing a wind turbine blade, including the step of monitoring a process of infusing and/or curing a fiber lay-up with resin in a mold, wherein the monitoring is based on sensor data obtained from the resin infusion and/or curing process displayed in an augmented reality device, is provided. Displaying sensor data obtained from the resin infusion and/or curing process in an augmented reality device allows to better monitor the resin infusion and/or curing process. Thus, the quality of the manufactured wind turbine blade can be improved.

Abstract: Provided is a method for transporting a component of a wind turbine to a storing position, wherein the component is mounted on a transport frame, including providing a transport arrangement including at least two elongate, height-adjustable, self-propelled transporter units, positioning the transport frame with the component mounted thereon onto the transport arrangement such that the self-propelled transporter units are spaced apart by a predefined lateral distance from each other, using the transport arrangement, rolling the component to a storing position where at least one support device has been positioned, such that at least a part of the at least one support device is located between a pair of the self-propelled transporter units, lowering the self-propelled transporter units such that the transport frame comes to rest on the at least one support device, and removing the transport arrangement from under the supported transport frame.

Abstract: A monitoring system for a wind turbine blade, wherein the wind turbine blade includes an electrically conducting or semi-conducting structural component and a lightning protection system having a down conductor electrically connected to an lightning receptor, wherein the down conductor is electrically connected to the structural component by an equipotential connector, such that, a network of electrical impedances including the structural component, the equipotential connector and the down conductor is formed, whereby the hybrid monitoring system includes, a sensing device for the network, including a transmitter for emitting an electrical pulse into the network via a first terminal and a receiver for receiving a reception pattern of the electrical pulse from the network via a second terminal, and an evaluation device for evaluating the reception pattern to determine a first health information regarding the lightning protection system, and a second health information regarding the structural component, is pro

Abstract: Provided is a wind park, a wind park controller, and a method for controlling a first wind turbine of a plurality of wind turbines of a wind park, wherein a second wind turbine of the plurality of wind turbines can be affected by a wake region caused by the first wind turbine which is positioned upstream of the second wind turbine. A current yaw state is determined and is selected from at least one of: a) an actual rotor yaw misalignment angle of the first wind turbine, wherein the actual rotor yaw misalignment angle is an angle between a rotating axis of a rotor of the first wind turbine and a current wind direction at the rotating axis upstream of the first wind turbine, b) an identifier representing whether the actual rotor yaw misalignment angle is either in a range of positive yaw misalignment angles or of negative yaw misalignment angles.

Abstract: Provided is an arrangement for controlling a converter of a power generation system, for example, a wind turbine, the converter being connected to a connection point to a utility grid, the arrangement including: a measurement section adapted to provide measurement values indicative of values of current and voltage at the connection point, a main converter controller adapted to receive the measurement values and to generate a main converter control signal based on the measurement values, an active filter system adapted to receive the measurement values and to generate an active filter control signal based on the measurement values, an addition element adapted to add the main converter control signal and the active filter control signal and to supply the sum signal as a control signal to the converter.

Abstract: A stator assembly including a frame structure having a stator teeth being circumferentially distributed around a longitudinal axis, wherein in between respective two neighboring stator teeth there is formed one stator slot; a winding system having a plurality of electric windings, wherein respectively one electric winding is wound around at least one stator tooth and is partially accommodated within two stator slots and each electric winding comprises an end winding portion which axially protrudes from the frame structure; and an insulation arrangement having a plurality of electric insulation devices, each insulation device surrounding a part of one electric winding is provided. Each insulation device includes an inner insulation portion being accommodated within the respective stator slot and an outer insulation portion protruding from the frame structure and surrounding a part of the respective end winding portion.

Abstract: Provided is a wind turbine, including: at least one rotor blade, at least one aerodynamic device for influencing the airflow flowing from the leading edge section of the rotor blade to the trailing edge section of the rotor blade, wherein the aerodynamic device is mounted at a surface of the rotor blade, a pneumatic actuator of the aerodynamic device for actuating the aerodynamic device at least between a first protruded configuration and a second retracted configuration, a pressure supply system for operating the actuator by a pressurized fluid, a centrifugal device rotatable about a rotor axis of the wind turbine, the centrifugal device including an air inlet of receiving a flow of the pressurized fluid including humidity from the pressure supply system and a water outlet for letting a flow of condensed water to exit the centrifugal device.

Abstract: Provided is an electric cable for a wind turbine, wherein the electric cable includes at least one cooling element) to cool the electric cable, wherein the cooling element protrudes from the surface of the electric cable.