494 patents
Page 22 of 25
Utility
Method of calibrating load sensors of a wind turbine
8 Jun 20
A method of calibrating load sensors of a wind turbine, and a wind turbine for such load sensor calibration, are disclosed.
Fabio Caponetti, Kasper Zinck Ostergaard, Dan Hilton
Filed: 16 Jun 16
Utility
Relating to the determination of rotor imbalances in a wind turbine
1 Jun 20
A method and system for improving the balance of a rotor in a wind turbine, including; determining blade load data associated with a selected rotor blade pair; determining, based on the blade load data, pitch imbalance data associated with the selected rotor blade pair, wherein the pitch imbalance data associated with a rotor blade pair is based on measurements of at least blade loading, rotor speed and wind speed; and, determining and applying pitch control inputs to one or both of the selected rotor blade pair in order to reduce the severity of the rotor imbalance.
Jacob Krogh Kristoffersen
Filed: 27 Aug 15
Utility
Ramping power in a wind turbine using gain scheduling
1 Jun 20
The invention relates to a control system for a wind turbine.
Martin Ansbjerg Kjær, Jesper Sandberg Thomsen, Jacob Krogh Kristoffersen, Jacob Deleuran Grunnet, Eik Herbsleb
Filed: 8 Jun 16
Utility
Lightning protection systems for wind turbine blades
1 Jun 20
A method of making a wind turbine blade component incorporating a lightning protection system, the method comprising: providing a mould surface; arranging a forming element on the mould surface; providing an electrically conductive layer; reinforcing the electrically conductive layer in a predetermined region to create a reinforced zone; arranging the electrically conductive layer over the forming element so that the reinforced zone is superimposed on the forming element; arranging one or more structural components on the electrically conductive layer; consolidating the structural components under vacuum to form a blade shell having an integrated electrically conductive layer adjacent an outer surface of the shell; removing at least part of the forming element from the blade shell to define a recess in the outer surface of the shell so as to expose the reinforced zone of the electrically conductive layer; electrically connecting the electrically conductive layer at the reinforced zones to a respective electrical component located adjacent an inner surface of the blade shell.
Daniel Whitehouse, Richard Baker
Filed: 14 Oct 14
Utility
Rotor hub for a wind turbine having pre-positioned fasteners and related method
25 May 20
A rotor hub for a wind turbine includes a hub frame having a blade attachment site configured for attachment of a wind turbine blade to the hub frame, and a dispenser coupled to the hub frame and containing one or more fasteners, wherein the one or more fasteners is selectively releasable from the dispenser to facilitate attachment of the wind turbine blade to the hub frame.
Høgne Joensen
Filed: 19 Dec 16
Utility
Rotor blade control for high winds
25 May 20
The invention relates to a control apparatus and method for controlling the rotor blades of a wind turbine, and in particular to controlling the rotor blades during an extreme wind event.
Fabio Caponetti, Ian Couchman, Thomas Krüger, Ali Zaib, Carsten Nørlund Thomsen
Filed: 18 Nov 14
Utility
Pitch control system for pitching wind turbine blade
18 May 20
There is provided a pitch control system (210) for controlling a pitch force system (220) for pitching a blade (103) of a wind turbine (100), the pitch control system (210) being arranged for activating (682) an auxiliary pitch force subsystem (224) at an initiation point in time where a main pitch force is sufficient to pitch the blade (103) into a target pitch value.
John Schwensen, Kasper Zinck Østergaard, Jacob Hviid Nielsen, Jan Vestergaard Knudsen
Filed: 10 Oct 16
Utility
Blade load sensing system for a wind turbine
18 May 20
A sensor system for a wind turbine, comprising: a blade load sensor; a blade temperature sensor configured to provide a temperature measurement of an associated blade; a load calculation module configured to output a temperature-corrected blade load value; and a processing unit interfaced with the temperature sensor.
Fabio Caponetti, Dan Hilton
Filed: 16 Jun 16
Utility
Control system having local and central controllers for wind turbine system having multiple rotors
11 May 20
A wind turbine system comprising a plurality of wind turbines mounted to a common support structure, wherein each of the plurality of wind turbines includes a rotor and a power generation system driven by the rotor, wherein the wind turbine system further comprises: localised control means including a plurality of local control modules, wherein each of the local control modules is operable to monitor the operation of a respective one of the plurality of wind turbines, and to issue local control commands thereto to achieve a set of local control objectives; and centralised control means configured to monitor the operation of the wind turbine system and provide centralised control commands to the plurality of wind turbines in order to achieve a set of supervisory control objectives associated with at least two of the plurality of wind turbines.
Erik Carl Lehnskov Miranda
Filed: 11 Feb 16
Utility
Adaptive control of a wind turbine by detecting a change in performance
4 May 20
A controller for a wind turbine is disclosed, comprising: a processor; an input/output interface; and a memory including instructions that, when executed by the processor, cause the processor to: i) select a setting xi from a list of settings X1, . . . , XN; ii) operate the turbine according to setting Xi for a period of time t1; iii) record a power output signal over t1; iv) repeat steps i) to iii) for another setting in X1, . . . , XN until all N settings have been used; v) repeat steps i) to iv) for a number of cycles c; vi) calculate a summarized power output for each setting over all cycles; and vii) compare the summarized power outputs across settings and determine whether any setting X* results in a higher power output than other settings tested.
Thomas S. Bjertrup Nielsen
Filed: 5 Jun 17
Utility
Transport frames for a wind turbine blade
4 May 20
Transport frame pair configured for transporting a wind turbine blade, said frame pair comprising a tip frame and a root frame, each said tip and root frame being stackable with identical frames for blade transport or storage, each one of said tip and root frame comprising four upright frame struts which together define a generally cuboid internal space having a longitudinal extent between two pairs of said upright struts; said tip frame comprising a tip saddle assembly within said generally cuboid internal space, and said root frame comprising a root saddle assembly within said generally cuboid internal space, and wherein said root frame is configured to prohibit a translation movement of said root saddle assembly in a longitudinal direction of a blade supported in a root saddle of said root saddle assembly; and wherein said tip frame allows a translation movement of said tip saddle assembly in a longitudinal direction of a blade supported in a tip saddle of said tip saddle assembly.
Peter Frans Thomsen, Adrian Botwright, Troels Vahle, Martin Damm, Kristoffer Lolk Fredriksen, Carsten Jasper
Filed: 22 Dec 16
Utility
Transport frame for a wind turbine blade
4 May 20
Transport frame and method; the transport frame having a longitudinal, lateral and upright extent, and being configured for receiving a tip or root portion of a longitudinally extending wind turbine blade, said frame being stackable with similar frames, said frame comprising four upright frame struts which together define a generally cuboid internal space having a longitudinal extent between two pairs of said upright struts; said frame having, within said generally cuboid internal space, a tip or root saddle assembly comprising a saddle with a support surface shaped to receive a respective blade root or tip; said frame furthermore having four top shoulders and four feet, said feet of said frame being conformed to be stackable on corresponding said shoulders of another frame; and wherein said frame, proximate one or more said top or bottom corner thereof, comprises a retractable arm arrangement; wherein said frame further comprises, proximate at least one said top or bottom corner thereof, a claw arrangement; said retractable arm arrangement being configured to fixingly engage a corresponding claw arrangement at an adjacent similar frame in a stacked arrangement of the frames.
Peter Frans Thomsen, Adrian Botwright, Troels Vahle, Lucia Quintana, Jacob Antonsen, Kristoffer Lolk Fredriksen
Filed: 27 Dec 16
Utility
Method of operating a wind turbine
4 May 20
The present invention provides a method of operating a wind turbine.
Ib Svend Olesen, Avanindra Gupta
Filed: 15 Dec 15
Utility
Wind turbine blade manufacture
27 Apr 20
A method of making a wind turbine blade, and the turbine blade resulting form the process, is described in which correct alignment of the shear webs (42a, 42b) upon mould (30) closing is ensured.
Brian Birkemose, Kim Linddal Kristensen
Filed: 23 Jun 15
Utility
Load carrying structure for a multirotor wind turbine
20 Apr 20
A load carrying structure (3) for a multirotor wind turbine (1) is disclosed.
Jesper Lykkegaard Neubauer, Torben Ladegaard Baun, Ivar J. b. k. Jensen
Filed: 20 Dec 16
Utility
Wind turbine access panel and method for securing same
20 Apr 20
The invention relates to an access panel configured for fixing to a service aperture in a wind turbine tower wall; wherein the access panel comprises a main panel and an adjacent sub-panel; the sub-panel comprising a bearing surface at an edge thereof; the main panel comprising a reference surface at an edge thereof; the main panel and the sub-panel being abuttable along a common seam; the seam comprising a said sub-panel bearing surface abutting a main panel reference surface; the main panel being dimensioned to close a main region of a tower wall aperture whereas the sub-panel is dimensioned to close a first sub-region of the aperture.
Børge Øllgaard
Filed: 12 May 19
Utility
Wind turbine blade
20 Apr 20
The invention relates to a method of manufacturing a shell part (101) for a wind turbine blade also comprising an add-on component (301, 302) connected to the shell part (101) along a connection face.
Alan Laight
Filed: 7 Jul 14
Utility
Curtailed operation of a wind power plant by deactivation of wind turbines
13 Apr 20
The invention relates to a method for operating a group of wind turbines in a wind power plant coupled to a utility grid, comprising the steps of determining that a wind turbine should be deactivated in response to receiving a power curtailment command from the grid, and retrieving data from each wind turbine in the group of wind turbines.
Henrik Møller
Filed: 10 Nov 15
Utility
Selective wind turbine damping using active damping system
13 Apr 20
The present invention refers to a method for operating a wind turbine, the wind turbine particularly comprising a tower and a rotor with rotor blades.
Fabio Caponetti, Thomas Krüger, Ian Couchman, Ilias Konstantinos Ariston, Martin BrØdsgaard, Jacob Deleuran Grunnet, Jesper Sandberg Thomsen, Peter Mortensen Sigfred
Filed: 4 Dec 14
Utility
Sub-synchronous resonance damping
13 Apr 20
A method is provided of controlling a doubly fed induction generator—(DFIG) wind turbine converter system if a sub-synchronous resonance event acts on the wind turbine.
Gert Karmisholt Andersen, Ciprian Biris, Yi Zhou, Manoj Gupta, Vajira Suminda Ganepola, Uffe C. Merrild
Filed: 8 Jun 16