Floating wind energy installation The invention describes a floating wind energy installation (1H) comprising a wind turbine (1) having a tower (10) supported by an offshore buoyant structure (17); a platform (2) arranged about the tower (10); and a load (20) arranged on the platform (2); characterized in that the orientation (Oopt) of the platform (2) is determined on the basis of the prevailing wind direction (D). The invention further describes a method of assembling such a floating wind energy installation (1H).
B63B 35/44 - Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
F03D 13/00 - Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
F03D 9/00 - Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
F03D 1/00 - Wind motors with rotation axis substantially parallel to the air flow entering the rotor
F03D 13/25 - Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
A rotor for an electrical machine extends along a longitudinal axis between a drive end and an axially opposite non-drive end, the drive end being attachable to a torque input. The rotor includes: a rotor body extending axially between the drive end and the non-drive and extending in a radial direction orthogonal to the longitudinal axis between an inner side and an outer side, plurality of permanent magnets attached to the inner side a circumferentially distributed about the longitudinal axis, wherein the rotor body includes a plurality of lamination sheets stacked along the longitudinal axis.
F03D 9/25 - Wind motors characterised by the driven apparatus the apparatus being an electrical generator
H02K 7/102 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H02K 15/03 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 21/22 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
A method of controlling wake in a floating wind park is provided. The method includes monitoring a wind condition at at least one of the plurality of floating wind turbines to generate at least a first monitored wind condition, monitoring one or more parameters indicative of a position and/or orientation of at least one of the plurality of floating wind turbines to generate at least a first monitored floating motion state and generating a control parameter based on a parameter set comprising at least the first monitored wind condition and the first monitored floating motion state. The control parameter is derived so as to reduce the wake influence on the downstream wind turbine. The method further includes controlling based on the control parameter, an operation of at least one of the plurality of floating wind turbines.
A dynamic vibration absorber includes a frame configured for mounting to a moveable structure; a flywheel mounted on a first shaft; and a first converter adapted to convert a linear displacement of the frame into rotation of the first shaft; including a rotary damper mounted on a second shaft; and a second converter adapted to convert a rotational velocity of the first shaft into a rotational velocity of the second shaft.
F16F 7/10 - Vibration-dampers; Shock-absorbers using inertia effect
F16F 15/167 - Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid having an inertia member, e.g. ring
A wind turbine is provided including a generator, a base, a nacelle, a tower having a first end mounted to the base and a second end supporting the nacelle, an electrolytic unit electrically powered by the generator to produce hydrogen from an input fluid, in particular water, and a fluid supply assembly for supplying the input fluid from a fluid inlet arranged below a water level to the electrolytic unit arranged above the water level, wherein the hydrogen produced can be taken out of the wind turbine by the hydrogen output.
F03D 13/20 - Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
A62C 31/02 - Nozzles specially adapted for fire-extinguishing
F03D 13/10 - Assembly of wind motors; Arrangements for erecting wind motors
F03D 80/80 - Arrangement of components within nacelles or towers
6.
METHOD FOR PERFORMING A QUALITY CONTROL OF A COMPONENT OF A WIND TURBINE TO BE PRODUCED
Method for performing a quality control of a component of a wind turbine to be produced, wherein geometry data which provide a 3D-model of an actual shape of at least a part of the component are collected using a measuring device being a non-contact 3D-scanner, wherein deviations between the actual shape and an ideal shape of the at least one part of the component are detected using the geometry data.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
7.
OPERATING A WIND TURBINE GENERATOR RELATING TO A MOTORING MODE
It is described a method of operating a generator system (101) coupled to a rotor (109), in particular of a wind turbine (100), in relation to a motoring mode, comprising: monitoring a value of at least one, in particular electrical and/or mechanical, operational parameter (104) of the generator system (101) during the motoring mode; ramping down a value of a quantity (113) indicating a magnitude of a torque (T) to be generated by the generator system (101), if the operational parameter value indicates a critical situation, the ramping down value of quantity being supplied to the generator system (101) for controlling the generator system; then stopping the generator system (101) such that no torque (T) is generated by the generator system, the stopping in particular comprising stopping a converter and/or stopping dynamic control and/or disconnecting the generator system from a power supply.
The present invention relates to a transport system (1) for a wind turbine component (2), comprising a base platform (3) for providing a support area for supporting the wind turbine component (2), aa carrier device (4) for carrying the base platform (3) and a lifting device (5) for lifting the base platform (3), wherein the base platform (3) comprises a plurality of first adapters (6) and the lifting device (5) comprises a plurality of second adapters (7), wherein the first adapters (6) are configured for engaging with the second adapters (7) for holding the base platform (3) at the lifting device (5), wherein the lifting device (5) is arranged at the carrier device (4). The first adapters (6) are arranged at opposite side surfaces (8) of the base platform (3). The invention also relates to a method for handling a wind turbine component (2).
33) by means of the generated electrical power. Thus, electrical power produced by the generator of the wind turbine can be converted on-site into ammonia. Hence, so-called green ammonia can be produced at the location of the offshore wind turbine.
The invention describes a connector assembly (1) for connecting two parts (2A, 2B), comprising a stud bolt (10) comprising a shank (10S) and a threaded portion (10T) at each end of the shank (10S); a first threaded insert (14A, 14B) for embedding in a part (2A), adapted to engage with a first threaded portion (10T) of the stud bolt (10); a second threaded insert (14A, 14B) for embedding in the other part (2B), adapted to engage with the second threaded portion (10T) of the stud bolt (10); and a spacer (16) dimensioned to enclose the shank (10S) of the stud bolt (10), and comprising a length adjustment means (16T) for adjusting the length of the spacer (16) between an initial length (L0) and a maximum extended length (L1). The invention further describes a wind turbine rotor blade comprising a first rotor blade segment (2A) and a second rotor blade segment (2B), and a plurality of such connector assemblies (1) arranged to connect the first rotor blade segment (2A) to the second rotor blade segment (2B); and a method of connecting a first wind turbine rotor blade segment (2A) to a second wind turbine rotor blade segment (2B) with a plurality of such connector assemblies (1).
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.
H02K 3/28 - Layout of windings or of connections between windings
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H02K 21/22 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
The invention refers to a power semiconductor bridge leg arrangement (1), comprising a first connection point (2) and a second connection point (3), which are to be connected to a DC-voltage source (4), and a midpoint (5) as output, a switching arrangement (10) having a number of semiconductor switching elements (6) connected between the first connection point (2) and the second connection point (3), and a control circuit (7) for controlling the number of semi-conductor switching elements (6) of the switching arrangement (10). The invention is characterized in that the switching arrangement (10) comprises at least two individual power semiconductor half-bridge modules (11, 12, 13) connected in parallel between the first connection point (2) and the second connection point (3), each half-bridge module (11, 12, 13) comprising a high-side semiconductor switch (11H, 12H, 13H) and a low-side semiconductor switch (11L, 12L, 13L) being connected to a half-bridge midpoint (11M, 12M, 13M), where the half-bridge midpoint (11M, 12M, 13M) is connected to the midpoint (5) of the bridge leg arrangement (1) with a dedicated designed inductance (L1, L2, L3). Furthermore, the control circuit (7) is adapted to individually control the switch operations of each semiconductor switch (11H, 11L, 12H, 12L, 13H, 13L) of the at least two individual power semiconductor half-bridge modules (11, 12, 13).
H03K 17/16 - Modifications for eliminating interference voltages or currents
H03K 17/0812 - Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
It is described a method of determining an electrical rotor position value (108) of an electrical, in particular permanent magnet, synchronous machine (1361) having a stator (1362) with stator windings, the method comprising: providing plural candidate values (106) for the electrical rotor posi- tion; providing plural stator winding current component values (103a) and plural stator winding voltage component values (103b); calculating, in particular using a set of equations (eqs.(3,4;5,6)), values of components (105a,b) of an estimated back EMF based on the plural candidate values (106), the plural current component values (103a) and the plural voltage component values (103b); providing (107) a cost function (g) being a real valued function of the components (105a,b) of the estimated back EMF which evaluates to two different values if an error of the electrical rotor position value is zero or pi; assessing the candidate values (106) using the cost function (g); defining a value (108) as the actual electrical rotor position value based on the assessment.
An apparatus for inspecting an adhesive layer applied about the leading edge of a wind turbine rotor blade is provided, which apparatus includes a heating assembly configured to direct heat at a portion of the adhesive layer between the outer edges of the adhesive layer; an infrared imaging means arranged to obtain an infrared image of a heated portion; and a displacement means adapted to move the inspection apparatus alongside the rotor blade during operation of the heating assembly and the infrared imaging means to facilitate infrared imaging of the adhesive layer.
A segmented wind turbine blade (30) is provided. The segmented wind turbine blade comprises at least a first blade segment (10) and a second blade segment (20). The segmented wind turbine blade further comprises a first recess (11) formed on the outer contour of the first blade segment (10), and a first protruding cap (12) protruding from the cross-section of the second blade segment (20). The first protruding cap (12) is flush with the outer contour of the second blade segment (20). The first recess (11) is configured for housing the first protruding cap (12), and the first recess (11) and the first protruding cap (12) are configured to be connected to each other such as to assemble the first segmented blade (10) and the second segmented blade (20) to form the segmented wind turbine blade (30).
It is described a method of determining an electrical rotor position value (101) of an electrical, in particular permanent magnet, synchronous machine (1361) having a stator (1362) with stator windings, the method comprising: using a current model (110) of the machine, to calculate an error (105a,b) of a current for at least one candidate value (103) of the electrical rotor position; assessing the candidate value (103) using a cost function (g_CM1, g_CM2); and defining the actual electrical rotor position value (101) based on the assessment.
A demagnetization system for demagnetizing a magnet element (10) of a wind turbine generator component is provided. The magnet element (10) comprises at least one permanent magnet block (15). The demagnetization system (100) comprises a reluctance modulating component (20) and a moving arrangement (70) configured to provide a relative movement between the reluctance modulating component (20) and the magnet element (10). The reluctance modulating component (20) is configured to change a magnetic reluctance experienced by a magnetic flux of the one or more permanent magnet blocks (15) as the reluctance modulating component (20) moves past the magnet element (10). The system is configured to generate eddy currents in the at least one permanent magnet block (15) by providing said relative movement between the reluctance modulating component (20) and the magnet element (10), wherein the eddy currents heat the at least one permanent magnet block (15) to be demagnetized.
An oven arrangement is provided, adapted to heat preform building material arranged on at least one plate-like carrier for producing preform building elements used for building a rotor blade of a wind turbine, including at least one oven and at least one lifting means, wherein the oven includes a housing adapted to receive the carrier, wherein the housing includes an opening at a bottom side of the housing for positioning the carrier in the interior of the housing by lowering the oven over the carrier using the lifting means, wherein the oven includes at least one heating means and/or wherein the oven is connectable to a heat supplying means.
It is described a power train portion (1) of a wind turbine (26), comprising: an electrical generator (5) including: a stator (6) having plural teeth (7) with slots (8) in between and having at least one multiphase stator winding set at least partly arranged in the slots (8) forming plural coils (10a, 10b, 10c); a rotor (11) having plural permanent magnets (12a, 12b, 12c) mounted and being rotatably supported relative to the stator (6); a hub (28) with plural mounting sites (32) for plural rotor blades (29), the hub (28) being coupled to the rotor (11), wherein when the hub (28) is rotated to at least one predetermined azimuthal position, oonnee (10a) of the coils (10a, b, c) and one (12a) of the magnets (12a, b,c) have a predetermined circumferential relative position (23a, 23b, 23c,... ).
The present invention relates to a method to control the filling of a gas storage (6) with gas produced by a gas production plant (1) comprising a plural of selectable gas dispensers (5) and an electrolyzer (2) powered by a renewable energy source, the method including, if there is an available dispenser (5), connect a gas storage (6) with available storage capacity to the available dispenser (5) and start a filling sequence, the filling sequence including a step of - signaling a filling request for the gas storage (6) to be filled, and when the gas storage (6) is connected to the available dispenser (5), - conduct a safety check, - by a negative safety check, - end the filling sequence, and - by a positive safety check, - to prioritize the request and store it in a queue according to the priority, - send a signal to for a next dispenser (5) to be activated being the one connected to the gas storage (6) with the highest priority filling request in the queue, - activate the dispenser (5) connected to the gas storage (6) The present invention further relates to a controller operating the method.
A method of controlling plural offshore wind turbines regarding a mechanical oscillation damping action is provided, the method including: obtaining wave characteristic information indicating a characteristic of at least one sea wave; obtaining wind turbine operational state information of the plural wind turbines; obtaining wind characteristic information; controlling the wind turbines regarding the damping action based on the wave characteristic information and/or the wind turbine operational state information of the plural wind turbines and/or the wind characteristic information in particular such that a power oscillation of a total power output of the wind park is reduced.
F03D 9/00 - Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
22.
METHOD FOR MANUFACTURING A PREFORM BUILDING ELEMENT AND OVEN
A method for manufacturing a preform building element used for building a rotor blade of a wind turbine is provided. A plurality of components is arranged at least partly overlappingly in a component stack on a surface of a carrier, wherein the component stack includes a plurality of sections with overlapping components between which a binding agent is arranged, wherein the sections of the stack include at least partly a different thickness and/or different types of components, wherein the component stack is heated using a heating source for activating the binding agent, wherein during the heating, at least one heat input reduction is used to reduce the heat input in the binding agent in at least one of the sections of the component stack for reducing binding agent migration during the activation.
B29C 70/44 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
A wind turbine blade is provided, including a hollow blade body with a blade root and a base plate arranged at a root-side end section of the blade, which base plate includes a manhole through which the interior of the blade is accessible, wherein the base plate is provided with mounting means arranged at the or adjacent to the manhole and adapted to directly or indirectly mount at least one ladder to the base plate.
Method for applying a film (3) to an outer surface (2) of a wind turbine blade (1) or an inner surface of a casting mold for a wind turbine blade (1), the method comprising: providing a wind turbine blade (1) or a casting mold for a wind turbine blade (1); providing a film (3) on a film roll (8); applying the film (3) from the film roll (8) to the out- er surface (2) of the wind turbine blade (1) or to an inner surface of the casting mold for the wind turbine blade (1); smoothening the applied film (3).
A method for manufacturing at least a part of a wind turbine blade in a resin-based casting process using a mold is provided, wherein at least one preform element, at least one further preform element and at least one laminate supporting element are arranged in the mold, wherein the preform element is arranged on a molding surface of the mold and extends over a section of the circumference of the blade part to be manufactured, wherein the laminate supporting element is arranged on the preform element and the further preform element is arranged on the laminate supporting element, wherein the preform element and the further preform element extend over the entire circumference of the blade part to be manufactured, wherein the preform elements are at least partly infused with a resin for casting of the blade part.
B29C 70/44 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
B29C 70/36 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
A method including operating the wind turbine in a first operating mode which an auxiliary system of the wind turbine is supplied with electrical power from an energy storage system of the wind turbine, wherein in the first operating mode, a first group auxiliary power consumers of the auxiliary system and a second group auxiliary power consumers of the auxiliary system are supplied with electrical power from the energy storage system. Upon fulfillment of a predefined condition, the wind turbine is operated in a second operating mode wherein the power supply from the energy storage system to the first group of auxiliary power consumers is ceased. Upon a charging state of the energy storage system reaching or dropping below a predetermined charging level, the wind turbine may be operated in a third operating mode in which auxiliary power supply is ceased.
A wind turbine is provided including a generator, a base, a nacelle, a tower having a first end mounted to the base and a second end supporting the nacelle, and an electrolytic unit electrically powered by the generator to produce hydrogen from an input fluid, in particular water, wherein the electrolytic unit is electrically coupled to the generator by an electric connection, wherein the electrolytic unit is housed inside the tower.
A connector arrangement for a wind turbine down conductor is provided, including a lightning conductor cable, a first connection element, a second connection element and a tube, wherein a first end of the cable is connected to the first connection element and a second end of the cable is connected to the second connection element, wherein the tube surrounds at least a portion of the cable between the first end and the second end of the cable, wherein the tube is fixedly attached to the first connection element and relatively movable to the second connection element.
An airfoil rack arrangement for supporting the airfoils of a plurality of rotor blades is provided, including a number of upright support structures; and a number of airfoil carrier brackets, wherein an airfoil carrier bracket is constructed to extend outward from a support structure. The airfoil rack arrangement includes an airfoil carrier bracket is rotatably mounted to a support structure and configured to rotate between a loading position in which the airfoil carrier bracket is positioned to support the airfoil of a rotor blade, and an unloading position in which the airfoil carrier bracket is out of the path of a rotor blade being lifted vertically.
A method of controlling an operation of energy storage systems of a wind park is provided. The wind park includes a plurality of energy storage systems each of which is associated with a wind turbine comprised by the wind park. Further, each of the plural energy storage systems is configured to be operable to provide electrical energy to an auxiliary system of the associated wind turbine. The method includes obtaining for each of the energy storage systems storage system state information indicating an availability of the energy storage system to store and/or provide electrical energy and operating the plural energy storage systems as a combined energy storage system based on the obtained storage system state information. The method further includes controlling the providing of electrical energy from the combined energy storage system and/or the storing of electrical energy in the combined energy storage system.
A method of testing a power plant device (2) in a power plant (1), the power plant (1) comprising the power plant device (2) and one or more wind turbines (3) configured to electrically connect to the power plant device (2), the power plant (1) suitable for connecting to an electrical grid (G) external to the power plant (1), the method comprising: a) generating a voltage by the one or more wind turbines (3) in a condition where the power plant (1) is disconnected from the electrical grid (G); b) controlling the generated voltage by the one or more wind turbines (3) to emulate one or more grid conditions at the power plant device (2); and c) measuring the performance of the power plant device (2) under the one or more emulated grid conditions in a condition where the one or more wind turbines (3) are electrically connected to the power plant device (2) and the power plant (1) is disconnected from the electrical grid (G).
F03D 13/30 - Commissioning, e.g. inspection, testing or final adjustment before releasing for production
F03D 17/00 - Monitoring or testing of wind motors, e.g. diagnostics
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
The invention describes an infusion assembly (1) for forming a resin-infused joint between two hollow elongate precast sections (21, 22), comprising an outer vacuum arrangement comprising an outer vacuum bag (11) adapted to be attached to the exterior surfaces of the precast sections (21, 22); an inner vacuum arrangement comprising an inner vacuum bag (12) adapted to be attached to the interior surfaces of the precast sections (21, 22); and an overpressure arrangement comprising a pressurized air supply (15) and one or more inflatable bags (14, 141, 142) configured to exert an overpressure (Pover) against the inner vacuum bag (12) during a resin infusion procedure. The invention further describes a method of connecting precast sections (21, 22) of a wind turbine rotor blade using such an infusion assembly (1).
B29C 70/48 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM]
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
B29C 70/30 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
34.
METHOD FOR PRODUCING AT LEAST A PART OF A ROOT OF A WIND TURBINE ROTOR BLADE, ROOT OF A WIND TURBINE ROTOR BLADE, AND WIND TURBINE ROTOR BLADE
Method for producing at least a part of a root of a wind turbine rotor blade, wherein at least two precast root segments (1, 2, 3) are arranged next to each other and at least one layer of a reinforcement fabric (12, 13) is arranged at an outside (8) and at an inside (7) of the root segments (1, 2, 3), respectively, which reinforcement layers (12, 13) bridge a gap (6) between two neighbouring root segments (1, 2, 3), whereafter a resin (14) is applied for embedding the reinforcement layers (12, 13) and for filling the gap (6), which resin (14) is cured, wherein for providing a reinforcement means (9) in the final root (11), a preformed reinforcement element (10), which is permeable for the resin (14) and which comprises several fiber mats (15) is arranged in the gap (6) and is embedded in the resin (14) penetrating through the reinforcement element (10).
It is described a method of determining a rotor electrical angle position (17) of an electrical generator (1a) comprising a stator (2) and a rotor (3) with plural mounted perma- nent magnets (4), in particular of a wind turbine, the method comprising: allowing to receive and/or receiving at least a time dependent measurement signals (9a,b) from a first analogue Hall sensor (10a) and a second analogue Hall sensor (10b), and optionally a third analogue Hall sensor (10c), the Halls sensors being mounted at different circumferential positions at the stator (2) to detect magnetic flux at least partly due to one or more of the permanent magnets; evaluating received measurement signals (9a,b,c); selecting at least one measurement signal based on the evaluation, in order to in particular exclude a measurement signal of any faulty sensor; determining the electrical angle position (17a, 17) based on the at least one selected measurement signal.
G01D 3/08 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
36.
GENERATOR FOR PRODUCING ELECTRICAL POWER AND WIND TURBINE
A generator is provided including a stator including stacked lamination sheets and stator windings, and a rotor including magnets, wherein the magnets and the stator windings face each other via an air gap between the stator and the rotor, the air gap extending in a circumferential and axial direction, wherein at least one axial stack of lamination sheets further includes at least one cooling channel for a cooling fluid having at least one inlet opening on an air gap side and at least one outlet opening at a radially opposite non-air gap side of the stack of lamination sheets. The inlet and outlet openings are arranged in a staggered manner in axial direction, wherein each inlet opening is associated with two axially shifted outlet openings such that cooling fluid entering the cooling channel through the inlet opening flows axially in opposite courses and radially to the respective outlet openings.
A facility arrangement is provided including facilities and at least one connector connected to the facilities, wherein the connector includes a transporter, at least one buoyancy device and/or at least one weight device, wherein the transporter is adapted for transportation of electricity and/or a fluid medium, wherein the buoyancy device and/or the weight device are attached to the transporter, wherein the connector is between two offshore facilities, wherein the transporter is floating at a distance from the seabed over the entire or almost the entire distance between the facilities, and/or wherein the buoyancy device and/or the weight device are attached to a first section of the transporter, wherein the first section is connected to at least one offshore facility and floating at a distance from the seabed, wherein a second section of the transporter connected to the first section and an onshore facility is embedded in the seabed.
H02G 1/10 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle in or under water
H02G 9/12 - Installations of electric cables or lines in or on the ground or water supported on or from floating structures, e.g. in water
A wind turbine rotor blade monitoring arrangement comprising includes an electrodynamic exciter mounted on the rotor blade; an excitation unit configured to generate an excitation signal for the electrodynamic exciter; a force sensor configured to measure force imparted to the rotor blade during operation of the electrodynamic exciter, which force sensor is collocated with the electrodynamic exciter; a vibration sensor arranged on the rotor blade at a distance from the electrodynamic exciter; and an evaluation unit configured to infer a health status of the rotor blade on the basis of a vibration sensor output and the measured force. A method of monitoring the health status of a wind turbine rotor blade is also provided.
F03D 17/00 - Monitoring or testing of wind motors, e.g. diagnostics
39.
METHOD FOR MANUFACTURING A CARBON BEAM ADAPTED TO BE A PART OF A WIND TURBINE BLADE, CARBON BEAM FOR A WIND TURBINE BLADE, WIND TURBINE BLADE AND WIND TURBINE
Method for manufacturing a carbon beam (9) adapted to be a part of a wind turbine blade (2) to increase or to cause the mechanical strength of the wind turbine blade (2), wherein the final carbon beam (9) comprises at least one core component (10) being made of or comprising at least one carbon plank (17) and/or a core arrangement (15) of core mats comprising carbon fibers, wherein at least a part of the core component (10) is arranged between skin components (11, 12) being made of or comprising a skin stack (13, 14) of skin mats (16) each, wherein the at least one core component (10) and the skin components (11, 12) are provided and then joined together to build the final carbon beam (9), wherein a pre-fabricated core component (10) is used, and wherein either also prefabricated skin components (11, 12) are used or wherein the skin components (11, 12) are produced by arranging the skin stack (13, 14) in a predetermined shape and fixing the skin mats (16) with an adhesive.
B29C 70/44 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
F01D 5/28 - Selecting particular materials; Measures against erosion or corrosion
B32B 5/10 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a fibrous layer reinforced with filaments
B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
B29C 70/52 - Pultrusion, i.e. forming and compressing by continuously pulling through a die
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
40.
OVEN ARRANGEMENT AND METHOD FOR MANUFACTURING PREFORM BUILDING ELEMENTS
An oven arrangement, adapted to heat preform building material arranged on a plurality of transportable, plate-like carriers for producing preform building elements used for building a rotor blade of a wind turbine is provided, including at least two oven units, wherein each oven unit has a housing adapted to receive one or more carriers with at least one closable opening for loading and unloading the carriers, wherein the housings of the oven units are stackable in such manner that the openings are arranged above each other on one side of the stack, wherein each oven unit includes at least one heating device and/or wherein each oven unit is connectable to a mutual heat supplier.
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).
The present invention relates to guide means (10) to aid the positioning of an electrolyzer container (9) on a platform (6) connected to a wind turbine (1), wherein the guide means (10) comprises at least one member (20, 40) having a length extending in a direction substantially parallel to a placement direction and adapted to guide container (7) into a predefined position. The present invention further relates to the method to install the container guided by the guide means (10).
F03D 9/19 - Combinations of wind motors with apparatus storing energy storing chemical energy, e.g. using electrolysis
F03D 13/10 - Assembly of wind motors; Arrangements for erecting wind motors
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
43.
PACKING TABLE FOR MANUFACTURING OF A JOINING ADAPTER TO BE USED IN A METHOD FOR JOINING AN OUTBOARD BLADE SECTION TO AN INBOARD BLADE SECTION OF A LONGITUDINALLY SPLIT WIND TURBINE BLADE AND METHOD FOR MANUFACTURING OF A JOINING ADAPTER
Packing table for manufacturing of a joining adapter to be used in a method for joining an outboard blade section to an inboard blade section of a longitudinally split wind turbine blade and method for manufacturing of a joining adapter The packing table (1) comprises a three dimensionally shaped material layup surface (11) having a shape that corresponds to an inner contour of respective joining interfaces (311,321) of the blade sections (31,32) to be joined and has a center plane (C) oriented normally with respect to a longi¬ tudinal axis (L) of the wind turbine blade, wherein an axial position of the center plane (C) corresponds to a center of the joining zone (3). The shape of an inboard portion (111) of the material layup surface (11) corresponds with an inner contour of the joining interface (311) of the inboard blade section (31) and the shape of an outboard portion (112) of the material layup surface (11) corresponds with an inner contour of the joining interface (321) of the outboard blade section (32 ). The packing table (1) according to the invention allows to provide a process optimization in the manufacturing of a joining adapter (2) and thus facilitates the joining of blade sections (31,32) of longitudinally split wind turbine blades.
B29C 33/12 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 33/48 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
B29C 33/56 - Coatings; Releasing, lubricating or separating agents
B29C 65/70 - Joining of preformed parts; Apparatus therefor by moulding
B29C 70/30 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
B29B 11/04 - Making preforms by assembling preformed material
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
44.
METHOD FOR ARRANGING AT LEAST ONE BLADE BUILDING PREFORM ELEMENT IN A BLADE MOLD FOR FURTHER PROCESSING, PREFORM ELEMENT, METHOD FOR MANUFACTURING A PREFORM ELEMENT, BENDING TOOL FOR A BLADE OR A YOKE, PREFORM ELEMENT HANDLING MEANS
Method for arranging at least one blade building preform element (7) in a blade mold (8) for further processing, comprising the steps: a) placing the at least one preform element (7) on a mold surface of the blade mold (8), b) placing at least one further preform element (26) and/or at least one blade component and/or at least one manufacturing tool (10) on the mold surface and/or on the at least one preform element (7) by moving it in a moving direction along a moving path (12), and c) bending at least one part of at least one bending section (9) of the at least one preform element (7) such that the at least one bending section (9) at least partially overlaps the at least one further preform element (26) and/or the at least one blade component and/or at least one manufacturing tool (10) such that the at least one bending section (9) blocks a reverse movement of the at least one further preform element (26) and/or the at least one blade component and/or at least one manufacturing tool (10) in the reverse direction along the moving path (12).
B29C 70/30 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
B29C 70/56 - Tensioning reinforcements before or during shaping
B29C 70/88 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
B29C 70/02 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements and fillers incorporated in matrix material, forming one or more layers, with or without non-reinforced or non-filled layers
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
45.
ACTIVE DAMPING FOR AN OFFSHORE WIND TURBINE DURING IDLING
It is described a method of controlling an offshore wind turbine (20) during idling for damping at least one mechanical vibration (21), the wind turbine including a nacelle (18) harboring a generator (11) having a rotor (14) associated with a rotor axis (12), the method comprising: yawing the nacelle (18) to a target yawing angle such that a predetermined angle (α) between a main loading direction (22) and the rotor axis (12) is reached; activating or performing active vibration damping using a generator (11) created torque (26).
Test arrangement for fatigue testing a wind turbine blade (2), wherein a first section (3) of the wind turbine blade (2) is attached to a fixing device (4) and wherein a second section (5) of the wind turbine blade (2) is attached to an excitation device (6), wherein the excitation device (6) comprises an actuator (7) and a coupling device (8) that couples the second section (5) to the actuator (7) in an engaged state (9), allowing the actuator (7) to exert a force in at least one direction on the second section (5), wherein the coupling device (8) is designed to automatically disengage, therefore decoupling the actuator (7) from the second section (5), when a disengagement condition is met, and to automatically return to the engaged state (9), when an engagement condition is met during the operation of the excitation device (6).
A lightning protection system is provided, in particular for a rotor blade, the system including: i) a lightning conductor for conducting electrical energy of a lightning; and ii) a measurement device electrically coupled to the lightning conductor and configured to measure an impedance with respect to the lightning conductor. Further, a rotor blade and a wind turbine are provided.
A wind turbine is provided including: a power production component including at least a generator; an electric assembly and at least one first further wind turbine to an electric export cable, which is connectable or connected to a power grid, such that the electric assembly configures the wind turbine as a booster turbine, wherein the electric assembly comprises: a switchgear operated on a first lower voltage level; a transformer for transforming, from a primary side of the transformer, and a second higher voltage level input and/or output interface, located at the secondary side of the transformer and operating on the second higher voltage level, for providing an interconnection link to a second further wind turbine that is configured as a booster turbine and is arranged to receive and/or provide power via the interconnection link on the second higher voltage level.
A wind turbine is provided that comprises a nacelle (10) arranged on a wind turbine tower (103) and comprising an electrical power generation system (20), a nacelle housing (11) of the nacelle, wherein the nacelle housing (11) houses at least part of the electrical power generation system (20), and a hydrogen production system (30) including a hydrogen production unit (36). The hydrogen production unit (36) comprises an electrolyzer (31) configured to receive electrical power from the electrical power generation system (20), wherein the hydrogen production unit (36) is mounted to a top of the nacelle (10) outside of the nacelle housing (11).
The present invention relates to a method for manufacturing a rotor blade (10) for a wind turbine (100), comprising: providing a root module (20) having a root module recess (21) at a root module end side (22), providing a tip module (30) having a tip module recess (31) at a tip module end side (32), positioning the root module (20) at the tip module (30) to form a common connection recess (40) with the root module recess (21) and the tip module recess (31), and spraying a connection material (50) onto the common connection recess (40) to provide a firmly bonded connection recess (41) between the root module (20) and the tip module (30). The invention further relates to a system (200) for manufacturing a rotor blade (10) for a wind turbine (100), a computer program product (300) for executing the method and a computer-readable storage medium (400) having stored thereon the computer program product (300).
B05B 13/04 - Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during operation
B25J 11/00 - Manipulators not otherwise provided for
F16B 11/00 - Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
B29B 15/12 - Coating or impregnating of reinforcements of indefinite length
B29C 37/00 - Component parts, details, accessories or auxiliary operations, not covered by group or
B29C 65/50 - Joining of preformed parts; Apparatus therefor using adhesives using adhesive tape
B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
B29C 73/10 - Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass using preformed elements using patches sealing on the surface of the article
B29C 73/12 - Apparatus therefor, e.g. for applying
B29C 73/26 - Apparatus or accessories not otherwise provided for for mechanical pretreatment
51.
WINDING CONNECTIONS FOR A GENERATOR OF A WIND TURBINE
A wind turbine is provided including at least one electric generator having at least one winding system, each winding system including a plurality of sub-winding systems, and a power converter system for connecting the plurality of winding systems to a fixed frequency AC or DC system, the power converter system including a plurality of power converter channels. Each of the sub-winding systems is galvanically isolated from the other sub-winding systems and is connected to at least one respective power converter channel. Each winding system includes at least one breaker for connecting one sub-winding system to another sub-winding system.
Trailing-edge add-on The invention describes a wind turbine rotor blade add-on (1) comprising a plurality of serration teeth (10) arranged to extend outward from the trailing edge (20TE) of the rotor blade (20), wherein a serration tooth (10) has an elongate shape defined by a base (10B) and two at least partially curved side edges (10S) converging at a tip (10T), and wherein the length of a serration tooth (10) from base (10B) to tip (10T) exceeds the width of the serration tooth (10) at its base (10B) by a factor of at least 6; a side edge (10S) of the serration tooth (10) includes a convex curved portion; and the closest distance (1G) between adjacent serration teeth (10) is at most 1 mm. The invention further describes a A wind turbine rotor blade (20) comprising a number of such add-ons (1) mounted to the trailing edge (20TE) of the airfoil portion of the rotor blade (20).
The related invention relates to a method to measure if there is substantially equal current in a plural of Cn conductors (10), the method including to arrange a measuring wire (20) with a first direction coiling (30) formed of N1 loops around a first of the conductors (10) and a second direction coiling (40) formed of N2 loops around a second of the conductors (10) at the opposite looping direction relative to the first direction coiling (30), wherein number of loops N1 and N2 is selected such that the current induced in the measuring wire (20) due to inductance by the currents in the conductors (10) theoretically adds to value below a threshold T, and detect it as an inequality among the conductors (10) if the added measurement exceeds the threshold T. Furthermore, the present invention relates to a wind turbine comprising the means for and operating according to the method.
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 31/08 - Locating faults in cables, transmission lines, or networks
G01R 31/52 - Testing for short-circuits, leakage current or ground faults
A system configured to process magnet elements (10) of a wind turbine generator component (200) is provided. Each magnet element (10) comprises one or more permanent magnet blocks (15). The system comprises a first processing stage (101) comprising an extraction system (20) configured to extract one or more magnet elements (10) from the wind turbine generator component (200). It further comprises a second processing stage (102) comprising a demagnetization system (40) configured to demagnetize extracted magnet elements (10). The system further includes a transport system (80) configured to transport extracted magnet elements (10) between the at least two processing stages (101, 102). The system (100) is configured to automatically process different magnet elements (10) of the wind turbine generator component (200) by extracting a magnet element (10) by means of the extraction system (20), transporting the extracted magnet element (10) to the demagnetization system (40) by means of the transport system (80), and demagnetizing the magnet element (10) by means of the demagnetization system (40).
H02K 15/00 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 15/03 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H01F 13/00 - Apparatus or processes for magnetising or demagnetising
55.
EXTRACTION SYSTEM AND METHOD FOR EXTRACTING MAGNET ELEMENTS
Extraction system and method for extracting magnet elements An extraction system configured to extract one or more magnet elements (10) from a wind turbine generator component (200) is provided. The wind turbine generator component (200) comprises plural rows (220) of magnet elements (10), each row (220) comprising one or more magnet elements (10). The extraction system (100) comprises an extraction device (20) comprising one or more actuators (25) and a support structure (50) that supports the wind turbine generator component (200) relative to the extraction device (20). The support structure (50) is configured to provide an alignment between the extraction device (20) and a row (220) of the wind turbine generator component (200). The system is configured to automatically extract, by means of the extraction device (20), one or more magnet elements (10) from the row (220) of the wind turbine generator component (200).
H02K 15/00 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 15/03 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
56.
METHOD OF STOPPING AN OPERATION OF A FLOATING WIND TURBINE
A method is provided of stopping an operation of a floating wind turbine, the wind turbine including a floating body, a tower mounted to the floating body, a nacelle mounted to the tower, a rotating hub rotatable mounted to the nacelle and having a plurality of blades, and a generator connected to the hub for generating electric power. The method includes: receiving a stop request for stopping the operation of a floating wind turbine; determining whether or not the stop request is non-critical to allow a delay or attenuation of stopping the operation of the floating wind turbine; and delaying or attenuating the stopping of the operation of the floating wind turbine, when the delay of stopping the operation of the floating wind turbine is allowed, so as to attenuate a wind turbine pitch movement.
A demagnetization system for demagnetizing magnet elements (10) of a wind turbine generator component is provided. Each magnet element (10) comprises at least one permanent magnet block (15). The demagnetization system (100) comprises at least one heating station (21, 22), wherein each heating station comprises an induction heater (30) configured to heat a magnet element (10) and an automatic transport system (50) configured to transport each magnet element (10) to each of the at least one heating station (21, 22), wherein the demagnetization system (100) is configured to heat the magnet element (10) at each heating station (21, 22) by means of the respective induction heater (30).
A separation system configured to process magnet elements (10) extracted from a wind turbine generator component is provided. Each magnet element (10) comprises at least one permanent magnet block (15) and an enclosure (11, 17) or support. The separation system (100) comprises a transport system (50) configured to transport a magnet element (10) to a separation device (20), and the separation device (20) configured to separate the at least one permanent magnet block (15) from the enclosure (11, 17) or support of the 15 magnet element (10). The separation system (100) is configured to receive and to process automatically and consecutively plural magnet elements (10).
H02K 15/00 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 15/03 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
B65D 85/68 - Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
Moulding apparatus The invention describes a moulding apparatus (1) comprising an enclosing structure (11) dimensioned to fit over a laminate part (4) arranged on a moulding surface (2); an elastomer sheet (10) arranged to cover an opening defined by the lower perimeter of the enclosing structure (11); a lower perimeter seal arrangement (1LS) formed alongside the edge of the elastomer sheet (10) on its underside (102); and an upper perimeter seal arrangement (1US) between the enclosing structure (11) and the elastomer sheet (10). The invention further describes a moulding assembly (2) and a method of casting a laminate part.
B29C 70/54 - Component parts, details or accessories; Auxiliary operations
B29C 70/44 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
A service brake for a wind turbine yaw motor brake is provided, the service brake including a brake housing comprising a brake housing cavity extending axially, in direction of a central axis, through the length of the brake housing. A brake disc is included within the brake housing, being rotatable about the central axis in an airgap between friction plates. A lever is connected to the brake housing, and, when engaged, is configured to close at least part of the airgap and bring the friction plates in frictional contact with the brake disc. A removable centerpiece is insertable within the brake housing cavity, the centerpiece includes a brake disc interface configured to engage with the brake disc and a shaft interface configured to engage with a shaft to be braked. The centerpiece is configurable to transfer braking torque from the brake disc to the shaft to be braked.
TETE), which method comprises the steps of determining a set (S10) of rotor blade flutter conditions, wherein each rotor blade flutter condition comprises a combination of rotor blade parameters (ω, θ) at which rotor blade flutter would develop; and, during operation of the wind turbine (1), monitoring the rotor blade parameters (ω, θ) and, when the parameters (ω, θ) of a rotor blade (10) approach a rotor blade flutter condition, controlling the active flap arrangement (2) of that rotor blade (10) to increase aerodynamic damping of the rotor blade (10). The invention further describes a wind turbine (1) comprising a means (12, 14) of controlling the active flap arrangements (2) using the inventive method.
Method for installing a wind turbine tower The invention relates to a method for installing a wind turbine tower (10), wherein the tower (10) comprises a tower fastening portion (11) and a tower through hole (12) in the tower fastening portion (11), comprising: providing a vessel (20) with a vessel fastening portion (21) and a vessel through hole (22) in the vessel fastening portion (21), landing the tower (10) onto the vessel (20) with the tower through hole (12) at the vessel through hole (22), positioning a stud (30) in the tower through hole (12) and the vessel through hole (22), wherein the stud (30) comprises an upper portion (31) protruding from the tower through hole (12) in an upward direction and a lower portion (32) protruding from the vessel through hole (22) in a downward direction, fastening the tower fastening portion (11) to the vessel fastening portion (21) by means of a lower fastening element (50) attached to the lower portion (32) and an upper fastening element (60) attached to the upper portion (31), wherein the lower fastening element (50) and the upper fastening element (60) are both detachable from the stud (30) in a non-destructive way.
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).
A root assembly of a wind turbine blade for a wind turbine is provided. A wind turbine blade including the root assembly and a wind turbine including the wind turbine blade are also provided.
It is described a method of measuring a size (d) of an air gap(ag) between a rotor surface (107) and a stator surface (110) of an electrical machine (100), in particular permanent magnet machine, the method comprising: performing a measurement based on electromagnetic radiation, in particular using at least one measurement probe installed at the stator and/or the rotor, to obtain air gap size related information to obtain air gap size related information; determining the size (d) of the air gap (ag) based on the air gap size related information.
G01B 11/14 - Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
G01B 15/00 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
66.
LIFTING TOOL ARRANGEMENT FOR LIFTING A COMPONENT, TOOL FOR SUCH A LIFTING TOOL ARRANGEMENT AND METHOD FOR LIFTING A WIND TURBINE COMPONENT
A lifting tool arrangement for lifting heavy components is provided, especially a wind turbine or wind turbine component, including a first tool with a first elongated tool part having an interface adapted to be connected to a lifting device, and a second tool part connected to the first elongated tool part and extending transverse to the first elongated tool part, and a second tool provided at the component, including an opening which is shaped such that, in the lifting position, the first elongated tool part extends through the opening while the second tool part is counter-beared towards an inner surface of the second tool.
B66C 1/10 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means
B66C 1/66 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
Blade cradle (10) for a wind turbine blade (11) comprising a primary support frame (12) for receiving at least a section of the wind turbine blade (11) and at least one secondary support frame (13) for receiving at least one fixation means (14) for fixing the wind turbine blade (11) to the blade cradle (10), wherein the primary support frame (12) extends between a leading-edge end (15) and a trailing-edge end (16), wherein the primary support frame (12) comprises at least one first type connection interface (17) at the leading-edge end (15) and/or the trailing-edge end, wherein via the first type connection interface (17), the second- ary support frame (13) is reversibly connectable to the primary support frame (12) in an operating position (I).
Clamping assembly Clamping assembly (3) for clamping a handling device to a wind turbine blade (1), preferably to a root section (4) of a wind turbine blade (1), the clamping assembly (3) comprising: an inner ring (5), a first outer clamping ring (6) and a second outer clamping ring (7) arranged respectively on a first side (8) and on a second side (9) of the inner ring (5) in an axial direction (Y) of the inner ring (5), wherein the first outer clamping ring (6) and the second outer clamping ring (7) are clampable on an outer surface (2) of the wind turbine blade (1), and locking means (18) for locking the inner ring (5) with the first outer clamping ring (6) and the second outer clamping ring (7).
A method for manufacturing a root segment of a rotor blade of a wind turbine includes the steps of: providing multiple root segment sections of the root segment to be manufactured; drilling first holes into each one of the provided root segment sections to obtain drilled root segment sections; arranging the multiple drilled root segment sections in a mold; and casting the multiple drilled root segment sections arranged in the mold to obtain the root segment.
CNCC) of the one or more generator devices (14), and c) controlling (S7) a power output (PB) of the grid- forming component (5) based on the determined frequency deviation (ΔF) and the determined droop characteristic (27, 28). Thus, frequency regulation of the grid can be improved.
There is described a method of evaluating noise emission for a wind park environment, wherein the wind park environment comprises a wind park (100) with at least one wind turbine (101), and at least one dwelling location (105) in vicinity of the wind park (100), the method comprising: i) determining a reference noise level (110, 120) with respect to the at least one dwelling location (105) based on initial settings of the at least one wind turbine (101), wherein the initial settings have been initially approved to be in accordance with local noise regulations; ii) determining an instantaneous noise level (130) with respect to the at least one dwelling location (105) based on a measurement of at least one instantaneous operation parameter of the at least one wind turbine (101); and iii) comparing the instantaneous noise level (130) with the reference noise level (110, 120), wherein the reference noise level (110, 120) is used as a relative noise threshold (120) to evaluate the noise emission.
The invention relates to a method for monitoring the health condition of a wind turbine system, the method comprising the steps of: a) measuring a first and a second dynamic signal of a component of the wind turbine system; b) sampling the first and the second dynamic signals with a given sampling frequency (fs) for receiving a first sampled signal and a second sampled signal, where the sampling is executed by a processing unit; c) processing the first and the second sampled signals by establishing at least one differential value between the first sampled signal and the second sampled signal, where the at least one differential value is used for health condition of the wind turbine system or one of its components; The method is characterized in that the first and the second dynamic signals are fed to the processing unit without undergoing signal shaping before being sampled, and that the first and the second dynamic signals are measured with the same sensor at different points in time.
The invention relates to a root assembly (20) of a wind turbine blade (5) for a wind turbine (1). The invention further relates to a wind turbine blade (5) comprising the root assembly (20) and a wind turbine (1) comprising the wind turbine blade (5).
A method of activating and/or deactivating a safe mode of operation of a wind turbine is provided, the method including: receiving at least one measurement signal related to a weather condition; filtering of a measuring signal dependent quantity to obtain a filtered signal, wherein the filtered signal depends on whether the measuring signal dependent quantity and/or filtered signal is increasing or decreasing with time; activating and/or deactivating the safe mode of operation based on the filtered signal.
There is described a wind turbine (1) comprising: a tower (2); a nacelle (3), coupled to the tower (1); a wind rotor (5), which is arranged at the nacelle (3), and which comprises at least one blade (4); and an evaluation device (100), comprising: i) a transmitting leaky feeder (110), coupled to a transmitter (111), and configured to transmit an electromagnetic signal; ii) a receiving leaky feeder (120), coupled to a receiver (121), and configured to receive a reflection of the electromagnetic signal; iii) a further leaky feeder (130), coupled to a communication associated device (131, 133), and configured to transmit and/or receive a further electromagnetic signal; and iv) a processing device (150), configured to adapt the phase and/or the amplitude of at least one of the signal and the further signal, to thereby steer a signal beam (165) that results from interference of the signal and the further signal, and perform an evaluation operation based on the steering of the signal beam (165).
There is described a calibration device (100), in particular for a wind turbine (1), comprising: i) a leaky feeder (110), comprising a plurality of slots (111, 112), wherein each slot (111, 112) is associated with at least one specific resonance frequency (170); ii) an elongated conductor (120), in particular a lead-in and/or a lead-out cable, connected to the leaky feeder (110); iii) a frequency device (155), configured to provide an electromagnetic wave to the leaky feeder (110), and sweep the electromagnetic wave over a frequency range that includes at least one of the specific resonance frequencies (170); and iv) a processing device (140), configured to determine the location of at least one slot (111) of the leaky feeder (110) based on the sweep over the at least one specific resonance frequency (170), and perform a calibration operation based on the determined slot location.
F03D 17/00 - Monitoring or testing of wind motors, e.g. diagnostics
H01Q 13/20 - Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
H04B 5/00 - Near-field transmission systems, e.g. inductive loop type
77.
CALIBRATION DEVICE FOR LEAKY FEEDER TIME DOMAIN REFLECTOMETRY, AND WIND TURBINE
There is described a calibration device (100), in particular for a wind turbine (1), comprising: i) a leaky feeder (110); ii) an elongated conductor (120), in particular a lead-in and/or a lead-out cable, connected to the leaky feeder (110); iii) a transmitter (131), coupled to the elongated conductor (120), and configured to transmit an electromagnetic signal, in particular a pulse, through the elongated conductor (120) to the leaky feeder (110); iv) a receiver (132), coupled to the elongated conductor (120) and/or to the leaky feeder (110), and configured to receive the electromagnetic signal directly and/or as a reflection; and v) a processing device (140), configured to perform a calibration operation based on the reception of the received signal.
H01Q 13/20 - Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
F03D 17/00 - Monitoring or testing of wind motors, e.g. diagnostics
G01R 31/11 - Locating faults in cables, transmission lines, or networks using pulse-reflection methods
H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
78.
A WIND TURBINE WITH A CLEARANCE DETERMINATION DEVICE
A wind turbine with a clearance determination device There is described A wind turbine (1) comprising: (i) a tower (2); (ii) a nacelle (3) coupled to the tower (2); (iii) a wind rotor (5) arranged at the nacelle (3), and comprising at least one blade (4); and (iv) a clearance determination device (100) to determine a distance (D) between the tower (2) and the at least one blade (4), the clearance measuring device (100) comprising: a transmitter (110) configured to transmit an electromagnetic signal (20), a receiver (120) configured to directly receive the signal (23) transmitted by the transmitter (110), and a processing unit (130) configured to determine the distance based on the transmission and the direct reception of the electromagnetic signal (20); wherein one of the transmitter (110) and the receiver (120) is arranged at the blade (4) and the other one is arranged at the tower (2), and wherein the transmitter (110) and/or the receiver (120) comprises a leaky feeder (150).
There is described a wind turbine (1) comprising: i) a tower (2); ii) a nacelle (3), coupled to the tower (1); iii) a wind rotor (5), which is arranged at the nacelle (3), and which comprises at least one blade (4); and iv) a blade inspection device (100), comprising: a) a transmitting leaky feeder (110), coupled to a transmitter (111), and configured to transmit an electromagnetic signal; b) a receiving leaky feeder (120), coupled to at least one receiver (121, 122), and configured to receive a reflection of the electromagnetic signal; and c) a processing device (140), configured to obtain an information with respect to the blade (4) based on the received electromagnetic signal. Hereby, the blade inspection device (100) is configured as an inverse synthetic aperture radar, ISAR.
F03D 17/00 - Monitoring or testing of wind motors, e.g. diagnostics
80.
SECURING ARRANGEMENT FOR SECURING SEVERAL WIND TURBINE TOWERS, ADAPTER FOR A SECURING ARRANGEMENT, TOWER ARRANGEMENT, AND METHOD FOR SECURING SEVERAL WIND TURBINE TOWERS
Securing arrangement for securing several wind turbine tow- ers, adapter for a securing arrangement, tower arrangement, and method for securing several wind turbine towers Securing arrangement for securing several wind turbine towers (3) being in an erected state and located adjacently to each other, comprising at least one adapter (8) being removably attachable to one of the wind turbine towers (3) and at least one counteracting means (9, 12, 14) being connected or connectable with the adapter (8), wherein, regarding a state of the adapter (8) being attached to the respective wind turbine tower (3) and of the counteracting means (9, 12, 14) being connected with the adapter (8), the counteracting means (9, 12, 14) is adapted to be connected with another wind turbine tower (3) and/or to interact with a further counteracting means (9, 12, 14) being connected with another wind turbine tower (3) such that a relative movement between these wind turbine towers (3) is counteracted by the counteracting means (9, 12, 14).
F03D 13/10 - Assembly of wind motors; Arrangements for erecting wind motors
B63B 35/00 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
B66C 23/18 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes
F03D 13/25 - Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
F03D 13/40 - Arrangements or methods specially adapted for transporting wind motor components
F03D 13/20 - Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
A method for transitioning a wind turbine into an energy harvesting mode in which the wind turbine generates electrical power from wind energy is provided. An energy storage system supplies electrical power to an auxiliary system when the wind turbine is not generating or receiving electrical power sufficient for supplying the auxiliary system. The method includes operating the wind turbine in a first operating mode in which an electrical power supply is ceased; obtaining environmental data including at least one of wind data and meteorological data; and determining if the obtained environmental data meets a predefined condition. If the predefined condition is met, a transition of the operation of the wind turbine into the energy harvesting mode is caused, wherein transitioning the operation into the energy harvesting mode comprises supplying electrical power from the energy storage system to the one or more auxiliary power consumers of the first group.
Adjustable busbar support device (1) for supporting at least one busbar (2), comprising: • at least one adjustable busbar support (3) with a receiving section (9) configured to support a busbar (2), wherein a width of the receiving section (9) is adjustable in a width direction (100) of the busbar cross section; and • an adjustable frame (4) to support all busbar supports (3), wherein the frame (4) comprises a top plate (5) and a bottom plate (6) extending in the width direction (100), and lateral fastening members (7, 8) extending in a thickness direction (200) and mechanically connecting the top plate (5) and the bottom plate (6), wherein all busbar supports (3) are mechanically connected to and between the top plate (5) and the bottom plate (6) by means of the fastening members (7, 8), wherein the frame (4) comprises adjustment means to adjust the lateral position of at least one of the fastening members (8) and therewith the width of the receiving section (9) of all busbar supports (3).
A method of operating a wind turbine, wherein the wind turbine comprises a rotor (101) with two or more rotor blades (10). The method comprises detecting a load asymmetry of a load acting on the rotor (101), the load being caused by a flow of air to which the rotor (101) is exposed. It further comprises reducing the load asymmetry by controlling an ac- tive aerodynamic device (20), wherein the active aerodynamic device (20) is provided on a rotor blade (10) of the rotor (101), and wherein the active aerodynamic device (20) is controlled to change, based on the detected load asymmetry, an aerodynamic load applied to the rotor blade (10) by the flow of air to counteract the load asymmetry.
Power conversion system arrangement of a wind turbine A power conversion system arrangement of a wind turbine is provided. The arrangement (250) may comprise a support structure (203) which supports a power conversion system of the wind turbine (100) and which is configured to be mechanically coupled with a tower (101) of the wind turbine. The arrangement (250) may comprise two or more converters (205a-d) of the power conversion system, wherein the two or more converters are configured to convert electrical power generated by the wind turbine and wherein the two or more converters are positioned and supported on a first side (420) of the support structure (203), the first side being an upper or lower side of the support structure (203). The arrangement (250) may comprise one or more transformers (206a-b) of the power conversion system, wherein the one or more transformers are configured to transform electrical power received from the converters and wherein the one or more transformers are positioned and supported on a second side (430) of the support structure which is in a vertical direction opposite to the first side (420).
A method for manufacturing a preform part for a wind turbine blade, includes the steps: providing at least one rigid core element, at least one reinforcement structure consisting of a fiber-based material and at least one adhesive sheet of a meltable adhesive, arranging the adhesive sheet in between the core element and the reinforcement structure, and bonding the core element to the reinforcement structure by heating and subsequent cooling of the adhesive sheet for creating an adhesive layer between the core element and the reinforcement structure, wherein the adhesive layer consists of the adhesive and is partially pervious for a liquid.
B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
B29C 70/54 - Component parts, details or accessories; Auxiliary operations
B29C 70/78 - Moulding material on one side only of the preformed part
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
A wind turbine includes a generator for converting wind energy into electrical energy, a hydrogen production system for producing hydrogen by means of the electrical energy, a first auxiliary group of electrical consumers, a second auxiliary group of electrical consumers, and an auxiliary power network for powering the first auxiliary group and the second auxiliary group, wherein only the first auxiliary group is electrically disconnected from the auxiliary power network by means of one or a plurality of switch disconnectors to reduce the energy consumption of the auxiliary power network. Due to the one or the plurality of switch disconnectors, it is possible to disconnect the first auxiliary group from power. This helps to save energy in the case that the first auxiliary group is not needed for the operation of the wind turbine.
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
F03D 9/25 - Wind motors characterised by the driven apparatus the apparatus being an electrical generator
H01M 8/04082 - Arrangements for control of reactant parameters, e.g. pressure or concentration
H01M 8/0656 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
H01M 16/00 - Structural combinations of different types of electrochemical generators
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
87.
METHOD AND APPARATUS FOR COMPUTER-IMPLEMENTED SUPERVISING A TIGHTENING PROCESS OF A BOLT USING A TIGHTENING SYSTEM
A method for computer-implemented supervising a tightening process of a bolt includes: a man-operated tightening tool including an actuator for turning the bolt, configured to be switchable between tightening sequence, and a loosening sequence. A sensor unit for determining a one parameter of the bolted connection during and/or after completion of a tightening sequence; wherein the tightening system further includes a processing unit for processing the at least one parameter received from the sensor unit, wherein the processing unit is configured to determine a status of the bolted connection based on the at least one parameter, wherein the status includes a first status indicating a correct bolted connection and a second status indicating a faulty bolted connection; and a user interface for outputting connection information about the bolted connection.
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
F03D 17/00 - Monitoring or testing of wind motors, e.g. diagnostics
88.
OFFSHORE WIND TURBINE AND METHOD FOR OPERATING AN OFFSHORE WIND TURBINE
An offshore wind turbine (1), comprising: a generator (5) for generating electrical power from wind power, a hydrogen production apparatus (10) for converting water (W) into hydrogen (H) by means of the generated electrical power, and a water-intake apparatus (15) for taking in water (W) from the sea (16) and/or an open water reservoir and supplying the water (W) to the hydrogen production apparatus (10), wherein the water-intake apparatus (15) comprises at least one UV-irradiation unit (22) for irradiating the water (W). By use of the at least one UV-irradiation unit, the water supplied from the water-intake apparatus to the hydrogen production apparatus can be treated with UV-light for providing an antifouling treatment.
Method for lowering and/or lifting a rotor blade (3) of a wind turbine (1) to change the distance (6) between an end face (7) of a blade root (8) of the rotor blade (3) and a contact surface (64) of a blade bearing (8) of the rotor blade (3), comprising the steps of providing multiple actuators (27-34), in particular at least four actuators (27-34), each actuator (27-34) having a first portion (48) and a second portion (49), wherein the second portion (49) is moveable in a respective actuator movement direction (50, 55) with respect to the first portion (48) by controlling the actuator (27-34), wherein the respective first portion (48) is coupled to the blade bearing (9) and the respective second portion (49) is coupled to the rotor blade (3) in such a way that all actuator movement directions (50, 55) deviate by less than 20° or less than 10° or less than 5° from the vertical direction (14, 15) when the rotor blade is in the given orientation (42), controlling the actuators (27-34) to lower and/or rise the rotor blade (3) while the rotor blade (3) is in the given orientation (42) in such a way that a first group (35) of the actuators (27-34) each exert a vertical upward force on a first circumferential section (40) of the blade root (8), and that a second group (36) of the actuators (27-34) exerts a vertical downward force on a second circumferential section (41 ) of the blade root (8).
CARRIER PLATE FOR A PREFORM MANUFACTURING ARRANGEMENT FOR PRODUCING A PREFORM ELEMENT FOR A WIND TURBINE BLADE, AND MOLD ARRANGEMENT FOR PRODUCING A PREFORM ELEMENT OF A WIND TURBINE BLADE
A carrier plate for a preform manufacturing arrangement for producing a preform element for a wind turbine blade is provided, adapted to receive either a mold element with preform building material on a receiving surface or to directly receive the preform building material on the receiving surface, with the carrier plate having a rectangular shape with a longer longitudinal axis and a shorter transverse axis, wherein the carrier plate is flexible around the longitudinal axis but stiffened against bending around the transverse axis, and stretchable along the transverse axis but stiff along the longitudinal axis.
A wind turbine blade handling tool includes at least one supporting segment for supporting a surface portion of an outer surface of the blade during handling of the wind turbine blade, wherein the supporting segment includes at least one deformable protection pad, which is deformable in such manner that at least one blade add-on element protruding from the supported surface portion is completely accommodated in the deformed protection pad.
B66C 1/10 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means
F03D 13/10 - Assembly of wind motors; Arrangements for erecting wind motors
92.
METHOD FOR OPERATING A COOLING SYSTEM IN A NACELLE OF A WIND TURBINE AND WIND TURBINE
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.
The present invention relates to a lifting system (1) for lifting a wedge tower segment (2) of a wedge tower of a wind turbine, comprising a first lifting assembly (3) for engaging with a male side (4) of a flange (5) of the wedge tower segment (2) and a second lifting assembly (6) for engaging with a female side (7) of a flange (5) of the wedge tower segment (2). The first lifting assembly (3) comprises a first lifting bracket (8) with a plurality of first fixation means (9) and a first hinge interface (10) for attaching the first lifting assembly (3) to an adapter of a crane. The first fixation means (9) comprises a plurality of first fixation bolts (11) for being inserted into wedge slots (12) of the male side (4) of the flange (5) of the wedge tower segment (2) for fixing the first lifting bracket (8) to the flange (5). The first hinge interface (10) has an offset to the first lifting bracket (8) in a radial direction of the wedge tower segment (2).
B66C 1/10 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means
94.
WIND TURBINE POWER PLANT INCLUDING AUXILIARY SYSTEMS
A wind turbine plant is provided including: at least one wind turbine, one or more turbine auxiliaries, a transmission apparatus for transmitting electrical power generated by the at least one wind turbine to a power system, the transmission apparatus including an auxiliary circuit for transmitting power one or more turbine auxiliaries, the auxiliary circuit being connected to the at least one wind turbine, the power system and one or more turbine auxiliaries, the turbine auxiliaries being electrically fed by at least one wind turbine or the power system through the auxiliary circuit. The auxiliary circuit includes at least an energy storage, the turbine auxiliaries being electrically connected to the energy storage, and a controller.
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).
A wind turbine, a method and a control system for aligning a nacelle of a wind turbine with a target yaw angle is provided, wherein the control system includes a detection device configured for detecting at least one parameter indicative of wind forces acting on at least one component of the wind turbine for determining a current yaw angle of the nacelle, and an actuation device configured for manipulating a position of the nacelle until the current yaw angle is aligned with the target yaw angle, wherein the detection device includes at least one first bending moment sensor on a first component, wherein the detection device is configured for determining a bending moment of the first component based on data received from the first bending moment sensor as the at least one parameter indicative of wind forces acting on the at least one component of the wind turbine.
A method for manufacturing of a wind turbine blade component is provided, including the steps: providing a fabric material and at least one binding agent, cutting the fabric material into a plurality of fabric sheets using a fabric cutting tool and arranging at least one stack of the cut fabric sheets on at least one preform mold tool, wherein the binding agent is arranged in and/or in between the stacked fabric sheets, consolidating the stack of fabric sheets, wherein the stack of consolidated fabric sheets forms a preform part, arranging at least one preform part inside a resin injection mold tool, injecting resin into the preform part, curing the resin, arranging the cured part on a holding means, and treating the cured part using at least one treatment tool for forming the wind turbine blade component.
B29C 70/34 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression
B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
B29C 70/48 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM]
B29C 70/54 - Component parts, details or accessories; Auxiliary operations
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
98.
ELECTRIC GENERATOR FOR A WIND TURBINE, STATOR FOR AN ELECTRIC GENERATOR AND WIND TURBINE
Electric generator for a wind turbine (7), comprising an inner stator (10) and a rotatably mounted outer rotor (11), wherein on at least one brake support plate (23) of the electric generator (7) at least one braking member (21) is arranged, wherein the at least one braking member (21) is 10 adapted to interact with at least one brake disk (22) which is attached to the rotor (11) to brake and/or to lock a rotation of the rotor (11), wherein the at least one brake support plate (23) is one of several laminated stator plates (14) which constitute an iron core (13) of the stator (10).
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 7/102 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H02K 21/22 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
A wind turbine includes a generator driven by an aerodynamic rotor; a first power converter arranged in a nacelle supported by an electrically grounded tower; a second power converter arranged at the base of the tower; a DC transmission link extending through the wind turbine tower and connected between the first power converter and the second power converter; wherein a first current path between the power converters through the DC transmission link; and a second current path between the power converters through electrically grounded metal of the tower. A method of connecting a DC transmission link in the tower of a wind turbine is also provided.
A wind turbine blade with a leading edge protection system, wherein: the leading edge protection system, includes a shell portion, a surface of the shell portion forms part of an outer surface of the blade, the shell portion includes at least one cavity integrally formed inside a material of the shell portion, and the at least one cavity is a closed cavity filled with a shock absorbing medium and/or the at least one cavity is filled with a shock absorbing material. Having the leading edge protection system including the shell portion with the at least one cavity filled with the shock absorbing material and/or medium provides an improved shock absorption at the leading edge of a wind turbine blade.
