1037 patents
Page 39 of 52
Utility
Lifting frame for a wind turbine blade
4 Jan 21
Lifting yoke and method; the lifting yoke configured for connecting to, and lifting, a wind turbine blade transport frame, said yoke being generally rectangular and comprising four corner posts connected by struts; each corner post being configured for internally receiving therein an upwardly oriented locating finger atop a said transport frame shoulder; said corner post having a housing enclosing an internal space and extending between a lower foot face and a top; said corner post having, at said lower foot face, an aperture dimensioned to receive a said locating finger into said internal space; said corner post further comprising guide surfaces enclosed within said housing and spaced apart to define a locking space and configured to snugly receive a said locating finger; each guide surface comprising a locking aperture; wherein a movable locking element is configured to engage both said locking apertures to thereby bridge said locking space; said locking element being configured to engage a lifting point at said locating finger; said movable locking element constituting the primary lifting element of said lifting yoke.
Michael Kastrup, Adrian Botwright, Troels Vahle, Lucia Quintana, Jacob Antonsen, Martin Damm, Kristoffer Lolk Fredriksen
Filed: 22 Dec 16
Utility
Relating to lightning protection systems for wind turbine blades
4 Jan 21
A blade tip assembly for a wind turbine blade, comprising a conductive blade tip module, a receptor arrangement spaced from the conductive blade tip module, a coupler that electrically couples the conductive blade tip module to the receptor arrangement and an insulating member that insulates the coupler.
Daniel Whitehouse, Richard Baker
Filed: 14 Oct 14
Utility
Electrical isolation mounting of electrical machine stator
4 Jan 21
The present invention relates to a wind turbine with an electrical machine wherein said electrical machine comprises a stator (702) with one or more electrical winding(s) (704), said electrical winding(s) being arranged to be connected to an electrical grid (760) by at least one cable (740) with at least one phase conductor (746), the at least one cable (740) comprises at least one return path (744) to conduct leakage currents, and at least one electrical shield (745), the stator being electrically isolated from a stator housing (701).
Lars Dyred Simonsen, Peter Mongeau
Filed: 27 Nov 17
Utility
a Multirotor Wind Turbine with a Platform
30 Dec 20
A multirotor wind turbine comprising a tower, a suspension arm, a nacelle, and a rotor carried by the nacelle and configured to rotate about a rotor axis to drive a drive train in the nacelle, wherein the tower holds the suspension arm, and the suspension arm holds the nacelle.
Ivar J.B.K. Jensen, Gunnar K. Storgaard Pedersen
Filed: 3 Apr 17
Utility
Wind turbine blades
28 Dec 20
A method of making a wind turbine blade having at least one pultruded strip of fibrous reinforcing material integrated with a shell of the blade is described.
Christopher Boon
Filed: 17 Sep 13
Utility
Turning stand for a rotor hub of a wind turbine and method for turning the rotor hub
28 Dec 20
The invention provides a turning stand for turning a rotor hub from a position having its prospective axis of rotation oriented vertically to a position having its prospective axis of rotation oriented inclined or transversally to a vertical orientation.
Per Larsen Barklin, Gunnar K. Storgaard Pedersen, Aksel Petersen, Kurt Jensen
Filed: 27 Aug 14
Utility
Methods and systems for generating wind turbine control schedules
21 Dec 20
A method of generating a control schedule for a wind turbine is provided, the control schedule indicating how the turbine maximum power level varies over time, the method comprising: receiving input indicative of the maximum number of times that each of one or more turbine components are to be replaced over the remaining lifetime of the turbine; determining a value indicative of the current remaining fatigue lifetime of the turbine, or one or more of the turbine components, based on measured wind turbine site and/or operating data; and varying a parameter of an initial predefined control schedule that specifies how the turbine maximum power level varies over time.
Chris Spruce, Kelvin Hales, Judith Turner
Filed: 28 Jun 16
Utility
Wind turbine blade having a lightning tip receptor
21 Dec 20
A wind turbine blade comprising a main blade portion having a longitudinal axis that extends between a root end and a tip end, wherein a leading edge and a trailing edge extend between the root end and the tip end, and a conductive blade tip module mounted to the tip end of the main blade portion; wherein the tip end is truncated and has a blade tip interface that defines an outer edge, and wherein the blade tip module is configured to fit against the blade tip interface such that a lip of the blade tip module overlaps the outer edge of the blade tip interface.
Jakob Hjorth Jensen, Lasse Lykkegaard
Filed: 26 Jul 17
Utility
Insert and Blank for a Wind Turbine Blade Root
16 Dec 20
A composite material blank (190) comprising an elongate blank body (300) extending between a first end face (312a) and a second end face (312b); said blank body (300) extending in a longitudinal direction, parallel to a longitudinal axis thereof, and having four peripheral sides (341, 342, 343, 344); each said first and second end face (312a, 312b) having edges (361a-364a; 361b-364b) which define a trapezoid shape; wherein the peripheral sides (341, 342, 343, 344) of said blank body (190) connect the edges (361a-364a) of said first end face (312a) with the edges (361b-364b) of said second end face (312b); and wherein said first trapezoid end face (312a) is inverted in relation to said second trapezoid end face (312b).
Jonathan Smith, James Smith, Robert Ernst, Mark Folsom
Filed: 6 Dec 18
Utility
Method of Controlling a Wind Turbine Generator
16 Dec 20
A method for use in controlling a wind turbine generator of a wind power plant based on a condition of a power converter or a component forming part of a power converter in the wind power plant.
Gert Karmisholt ANDERSEN, Lars HELLE, Poul Møhl DYRLUND, Morteza RABI, Duy Duc DOAN
Filed: 4 Dec 18
Utility
Method for Operating a Wind Power Facility
16 Dec 20
A method for preparing a wind power facility for a transition from a first mode of operation to a second mode of operation includes the steps of specifying a set of operational parameters to be applied by the wind power facility in connection with the second mode of operation, said specified set of operational parameters being available for the wind power facility in response to a provided transition triggering signal, and providing the transition triggering signal and applying the specified set of operational parameters in the wind power facility in response thereto, wherein a subset of the specified set of operational parameters is applied in each of a plurality of wind turbine generators in response to the provided transition triggering signal.
Mu WEI, Torsten LUND, Kouroush NAYEBI
Filed: 1 Oct 18
Utility
Wind turbine blade manufacturing method or apparatus
14 Dec 20
A positioning jig (25) and a method for manufacturing a wind turbine blade comprising moulding a first and a second blade shell portion in respective first and second mould tools; positioning a shear web (15) in a spanwise direction within a first shell portion (20) in a said first mould tool (7); anchoring said shear web in position in said first shell portion; and closing said second shell portion (21) over said first shell portion to thereby generate a wind turbine blade shell defining a chordwise extent between a in trailing edge and a leading edge thereof, and a spanwise extent between a root region and a tip thereof and wherein said shear web, bordered by a first (24) and a second longitudinal edge, extends in a thickness direction of said blade; said method further comprising: providing a positioning jig; and securing said positioning jig to said shear web, prior to its introduction into said first shell portion and guiding said shear web into its predetermined standing position in said first shell portion, with its first longitudinal edge adjacent said first shell portion, by engaging a reference surface (33) of said positioning jig with a locating surface (12) at said first mould tool thereby to bring said positioning jig into its guide position with said shear web in its predetermined standing position; and removing said positioning jig from said first mould tool prior to closing said second shell portion over said first shell portion.
Steve Wardropper, Stephen Sandercock
Filed: 14 Sep 16
Utility
Wind turbine power generation system
14 Dec 20
A wind turbine power generation system comprising a rotor shaft coupled to an electrical generator which generates a power output at a first AC voltage level; a converter system that converts the power output of the generator at the first AC voltage level to a converter power output at a second AC voltage level; a transformer that converts the converter system power output at the second AC voltage level to a generation system power output at a third AC voltage level; wherein the converter system comprises a machine-side converter, a line-side converter and a DC-link.
Philip Carne Kjær
Filed: 2 May 16
Utility
Control system for modular multilevel converter
7 Dec 20
A power conversion system for a wind turbine generator, comprising a machine-side converter having an AC voltage input from a generator and a DC voltage output to a DC link, wherein the machine-side converter is a modular multi-level converter comprising one or more converter legs corresponding to a respective one or more electrical phases of the generator, each of the converter legs comprising a plurality of converter cells, the system further comprising: a converter control module which provides the machine-side converter with a gate signal, and an electrical frequency estimation module configured to estimate the mean electrical frequency of the generator; wherein the gate signal has at least one mean switching frequency corresponding to at least one electrical phase of the generator; wherein the converter control module is configured to modulate the mean switching frequency of the gate signal in dependence on the mean electrical frequency of the generator.
Ciprian Biris, Duy Duc Doan, John Godsk Nielsen
Filed: 28 Nov 17
Utility
a Wind Turbine and an Airborne Wind Energy System Sharing Yaw System
2 Dec 20
A wind installation comprising a wind turbine (1) and an airborne wind energy system (12, 13) is disclosed.
Torben Ladegaard Baun
Filed: 3 May 18
Utility
Tower Vibration Damper
2 Dec 20
The present invention relates to a tower damper adapted to be mounted in a wind turbine tower, the tower damper comprising a pendulum structure adapted to be suspended in the wind turbine tower, said pendulum structure comprising a pendulum body, a chamber holding a damping liquid into which damping liquid the pendulum structure is at least partly immersed, a plurality of damping elements arranged to dampen movements of the pendulum structure when suspended in the wind turbine tower, the plurality of damping elements comprising a foam portion composed of a resilient and porous foam material, and a suspension arrangement for suspending the pendulum structure in the wind turbine tower such that the pendulum structure is allowed to displace from a neutral position for the pendulum structure.
Søren Bøgelund Madsen
Filed: 30 Jan 18
Utility
Controlling a Wind Turbine Using Control Outputs at Certain Time Stages Over a Prediction Horizon
2 Dec 20
The invention provides a method for controlling a wind turbine.
Jacob Deleuran GRUNNET, Tobias Gybel HOVGAARD
Filed: 31 May 20
Utility
Methods and Systems for Generating Wind Turbine Control Schedules
2 Dec 20
Generating a control schedule for a wind turbine, the control schedule indicating how the turbine maximum power level varies over time.
Chris SPRUCE, Chakradhar BYREDDY, Kelvin HALES, Judith TURNER
Filed: 16 Aug 20
Utility
Controlling Flap Loading on a Wind Turbine Blade Based on Predicted Flap Loading
2 Dec 20
Tobias Gybel HOVGAARD, Kasper Zinck
Filed: 31 May 20
Utility
Transportation System and Method for Loading a Wind Turbine Tower Segment
2 Dec 20
A transportation system (300) for, and a method (1104, 1106, 1108) of loading for transportation of, a segment (330) of a wind turbine tower are disclosed.
Shinto Mathew, Michael Christensen, Joris Kofman
Filed: 15 Mar 18