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Wind Turbine patents



      
           
This page is updated frequently with new Wind Turbine-related patent applications. Subscribe to the Wind Turbine RSS feed to automatically get the update: related Wind RSS feeds. RSS updates for this page: Wind Turbine RSS RSS


Wind turbine blade with noise reduction devices and related method

Floating support platform for wind turbine

Pivotal jet wind turbine

Date/App# patent app List of recent Wind Turbine-related patents
08/14/14
20140229153
 Simulation of an electrical power distribution network in a wind farm patent thumbnailSimulation of an electrical power distribution network in a wind farm
A simulator for real time simulation of an electrical power distribution network of a wind farm, the wind farm having a plurality of interconnected wind turbines, is provided. The simulator has (a) an input unit for receiving input data from a wind farm controller, (b) an output unit, and (c) a processing unit adapted to calculate output values based on the input data and a model of the electrical power distribution network, the output values representing calculated electrical parameter values at a predetermined point within the electrical power distribution network, wherein (d) the output unit is adapted to transmit output data based on the calculated output values.
08/14/14
20140227101
 Wind turbine blade with noise reduction devices and related method patent thumbnailWind turbine blade with noise reduction devices and related method
The present disclosure relates to a wind turbine blade, in particular a wind turbine blade having devices or structures for reducing noise generated by the wind turbine blade during use and related method. The wind turbine blade comprises at least a first longitudinal section having a cross section perpendicularly to a longitudinal direction, the cross section having a plurality of flow modulating devices including a first primary flow modulating device and a secondary flow modulating device for modulating noise spectra, wherein the first primary flow modulating device and the first secondary flow modulating device are spaced perpendicularly to the longitudinal direction.
08/14/14
20140227096
 Floating support platform for wind turbine patent thumbnailFloating support platform for wind turbine
Support platform for wind generators, comprising a central body (5) provided with a seat engaging with a final section (4) of a pillar (1) of a wind generator (2); this central body (5) is connected by means of a series of radial elements (6) to an annular floating structure (7) and provided internally with position-adjusting means (10) cooperating on the one hand with the base of this final section (4) of the pillar (1) and on the other hand with suitable support elements (9), these position-adjusting means (10) being able to receive and contain a given quantity of fluid and vary the height of the wind generator (2) by means of the raising or lowering of said pillar (1).. .
08/14/14
20140227095
 Pivotal jet wind turbine patent thumbnailPivotal jet wind turbine
Pivotal jet wind turbine relates to clean energy field. It has a rim based rotor's structure.
08/14/14
20140227092
 Diffuser augmented wind turbines patent thumbnailDiffuser augmented wind turbines
An example wind turbine diffuser has an expanded outlet area where the diffuser outlet area is greater than it's cross sectional area. The diffuser may be formed of one or more diffuser rings, at least one of which may form a turbine cowling.
08/14/14
20140227077
 Magnowind turbine patent thumbnailMagnowind turbine
A vertical wind turbine includes an upstanding 3 feet support structure, the top cover contains magnets carefully placed in a specific geometric pattern that generates a rotational force. The cover also has openings to allow for vertical air flow through the structure.
08/14/14
20140225370
 Wind power plant and a method for operating thereof patent thumbnailWind power plant and a method for operating thereof
A wind power plant is provided. The wind power plant comprises at least one wind turbine and a power plant controller.
08/14/14
20140225369
 Generating auxiliary power for a wind turbine patent thumbnailGenerating auxiliary power for a wind turbine
A method and a system for generating auxiliary power for an islanded wind turbine are described, wherein the wind turbine may comprise a generator configured to provide power to a main grid. The method comprises: detecting an island mode of operation wherein said wind turbine is electrically disconnected from said main grid; in response to said disconnection, adjusting the rotational speed of said wind turbine to a value within a range of low rotational speeds; converting said generator output to a value suitable for charging said auxiliary power distribution system; and, connecting the output of said converter to said auxiliary power distribution system..
08/14/14
20140224894
 Technique to mitigate storms using arrays of wind turbines patent thumbnailTechnique to mitigate storms using arrays of wind turbines
This invention describes a system whose operation can change the track and intensity of atmospheric storms. The invention uses arrays of wind turbines which are being built for power generation.
08/14/14
20140224048
 Turning device to rotate the rotatable part of a wind turbine patent thumbnailTurning device to rotate the rotatable part of a wind turbine
The first lever and the second lever reach from inside the housing of the nacelle through an opening to the outside of the nacelle, so that the drive is located outside of the housing of the nacelle, when the turning device is attached to the wind turbine.. .
08/07/14
20140219812
Apparatus for accessing the nacelle of a wind turbine and associated methods
A wind turbine includes a tower having an interior, an exterior, a lower end and an upper end; a nacelle coupled to the tower adjacent the upper end and movable to define at least two yaw positions of the nacelle; a rotor coupled to the nacelle; and an access apparatus disposed about the tower adjacent the upper end thereof, the access apparatus defining a passageway into the nacelle that is exterior of the tower, and the access apparatus providing access to the nacelle in the at least two yaw positions of the nacelle. A method for transporting equipment and personnel to the nacelle using the access apparatus is disclosed.
08/07/14
20140219810
Vortex generator arrangement for an airfoil
A particular arrangement of vortex generators for an airfoil is described. The vortex generators are provided in pairs, preferably on a wind turbine blade, wherein by arranging the vortex generators according to specified characteristics, a surprising improvement in blade performance is provided over the prior art systems..
08/07/14
20140219804
Hub for a wind turbine
The invention provides a hub for a wind turbine, the hub comprising a continuous shell being assembled from at least two shell parts. To improve stiffness of the hub, a plate element is attached within blade flanges of the assembled hub.
08/07/14
20140219801
Nacelle construction for a wind turbine
A heli-hoist pad (18) that is incorporated into a wind turbine nacelle (12) in a manner that is optimized for helicopter approach and positioning of the heli-hoist pad (18), such as by being located within a recess (20) in an upper surface (28) of the wind turbine nacelle (12). Heat exchangers (50) may also be positioned within the free flow of wind outside of a nacelle (12) in manners that provide for serviceability while also allowing for optimal positioning of a heli-hoist pad (18)..
08/07/14
20140219799
Stationary co-axial multi-rotor wind turbine supported by continuous central driveshaft
Multiple horizontal axis type rotors are coaxially attached along the upper section of an elongate torque transmitting tower/driveshaft, the tower/driveshaft projects upward from a cantilevered bearing means, and is bent downwind, until the rotors become sufficiently aligned with the wind to rotate the entire tower/driveshaft, power is drawn from the shaft at the base. Surface mount, subsurface mount, and marine installations, including a sailboat, are disclosed.
08/07/14
20140219797
Partial pitch wind turbine with floating foundation
The present invention relates a wind turbine comprising a wind turbine tower with a nacelle provided on the top to which a rotor hub with one or more wind turbine blades is rotatably mounted so that they form a rotor plane. A floating foundation having a upper section is mounted to the bottom of the wind turbine tower, wherein the foundation has a buoyant body configured to be installed at an offshore position having a water depth of about 40 m or more.
08/07/14
20140219796
Wind turbine control system having a thrust sensor
A wind turbine control system comprising a thrust sensor and a braking system. The system allows an increase in wind speed to be detected instantaneously and corrective action to be initiated.
08/07/14
20140219795
Method and apparatus for wind turbine noise reduction
A method for operating a horizontal axis wind turbine is provided, the wind turbine including: a rotor including a rotor blade, wherein the rotor is rotatably coupled to a nacelle, and the rotor is rotatable about a horizontal rotor axis extending through the nacelle, and the nacelle is rotatably coupled to a tower, the nacelle rotatable in a yaw plane about a yaw axis. The method includes determining a wind direction; determining a yaw angle setting, wherein the yaw angle setting deviates from an alignment of the rotor axis and the wind direction in the yaw plane; yawing the nacelle to the yaw angle setting; and operating the wind turbine for example to generate electricity..
08/07/14
20140217744
Air cooling of wind turbine generator
A wind turbine axial flux generator for converting wind into electricity comprises: a generator rotor which is rotatable about an axis; and a stator; wherein one of said generator rotor and said stator is provided with magnets and the other is provided with electrical windings in which electricity is induced by relative movement between the generator rotor and the stator; and wherein said generator further comprises: an up-wind air gap on the up-wind side of said electrical windings, between said electrical windings and at least some of said magnets on the up-wind side of said electrical windings; a down-wind air gap on the down-wind side of said electrical windings, between said electrical windings and at least some of said magnets on the down-wind side of said electrical windings; and at least one wind guide for directing said wind so that said wind flows through both said up-wind air gap and said down-wind air gap in order to cool said electrical windings from both said up-wind and down-wind sides of said electrical windings.. .
08/07/14
20140217742
Power management system
Systems for increasing the power productivity of two bladed teetering hinge, yaw controlled wind turbines by varying rotor shaft restraining torque and yaw angle.. .
08/07/14
20140217741
System for twisting cables in a wind turbine tower
The invention relates to a wind turbine having a wind turbine tower and a nacelle provided on top of the tower to which a rotor hub with one or more wind turbine blades is rotatably mounted. A cable twisting system is arranged inside the tower and suspended from the bottom of the nacelle.
08/07/14
20140217731
Wind turbine generator, method, and program thereof
A rotor having a plurality of wind turbine blades, a generator to be driven by rotation of the rotor, a pitch angle controller for controlling a pitch angle of the wind turbine blades according to a speed of a generator, and a comparing and selecting section are provided. When the voltage of the utility grid is a predetermined value or less, the pitch angle controller controls the pitch angle so that the wind turbine blades do not move to a fine side.
08/07/14
20140217730
Power dissipating arrangement in a wind turbine
A power dissipating arrangement for dissipating power from a generator in a wind turbine is provided. The generator comprises a plurality of output terminals corresponding to a multi-phase output.
08/07/14
20140217729
Remote sensing system for wind turbines
Embodiments of the invention generally relate to using remote sensing equipment such as a light detection and ranging (lidar) device to detect wind characteristics for use by wind turbines of a wind park. A wind park controller may received raw wind data from the remote sensing device and determine one or more turbines that can use the raw wind data.
08/07/14
20140216680
Wind turbine with tower climatisation system using outside air
A wind turbine is provided. The wind turbine includes a tower, the tower having an upper part, a middle part and a lower part, the lower and the middle part of the tower forming the base of the tower, waste heat generating equipment located in the middle part of the tower, and a cooling device with at least one cooling device inlet formed in the tower for introducing outside air surrounding the tower into the tower, wherein the cooling device is adapted to guide the outside air from the or each cooling device inlet into the lower part of the tower such that the outside air can ascend towards the middle part and upper part of the tower while cooling the waste heat generating equipment, characterised in that the or each cooling device inlet is located in the upper part of the tower..
08/07/14
20140216169
Guide wire tension loss sensor
Systems and devices are described for measuring tension in a guide wire in a tower service lift for ascending and descending wind turbine generator towers. The present disclosure also describes methods for measuring the tension in the guide wire as well as installing a device for measuring the tension in the guide wire..
08/07/14
20140215783
Production facility comprising a transport system for processing elongated products, in particular wind turbine blades, with elongated mould assemblies
The present invention relates to a production facility (100, 200, 300, 400, 500) for forming elongated products, in particular wind turbine blades, wherein elongated mould assemblies (110a, 110b, 210a, 210b, 310a, 310b, 410a, 410b, 510a, 510b) may be accessed on the basis of an appropriate transport system (150, 250, 350, 450, 550) comprising at least one support member (251a-h, 151, 251, 351, 451, 551) laterally positioned between the elongated mould assemblies. The support member (251a-h, 151, 251, 351, 451, 551) is positioned so as to enable a rotational movement of an arm (121a, 121b, 221a) or is configured to change position or comprises a rotatable carrier element (259).
07/31/14
20140212290
Nacelle main frame structure and drive train assembly for a wind turbine
A nacelle main frame structure and drive train assembly (10) for mounted on a tower (2) of a wind turbine (1). The nacelle main frame structure and drive train assembly (10) comprise a nacelle main frame structure (3) and at least part of a drive train (4).
07/31/14
20140212289
Method and apparatus for estimating the temperature of a semiconductor chip
The invention regards a method for estimating the temperature of a semiconductor chip accommodated in a power semiconductor device in operation, such as an igbt power module, the method comprising the steps of; while the power semiconductor device is in operation determining a voltage drop over the power semiconductor device for a value of applied load current and; estimating the temperature of the semiconductor chip by evaluating the relationship between the determined voltage drop and the value of applied load current on the basis of a semiconductor chip temperature model. The invention also regards the corresponding apparatus for estimating the temperature of a semiconductor chip, as well as a wind turbine comprising such an apparatus..
07/31/14
20140212288
High capacity elevator for wind turbine maintenance
The invention generally relates elevator assemblies suitable for lifting heavy components associated with wind turbines. In certain embodiments, the invention provides an elevator assembly encompassing a wind turbine nacelle and an elevator frame.
07/31/14
20140209040
Ultrasonic sound emitting devices for wind turbines
A wind turbine may include a tower, a nacelle mounted on the tower and a rotor coupled to the nacelle. The rotor may include a hub and at least one rotor blade extending from the hub.
07/31/14
20140208978
Super hydrophobic coating
A super hydrophobic coating composition that is a highly durable super hydrophobic transparent coating for glass, metal, and plastic, and automobile painted surfaces that is manually dispensable and may be easily applied to many substrates is provided. Moreover, the inventive super hydrophobic coating is user friendly as coating takes place at room temperature, and can be applied by a normal hand spray method.
07/24/14
20140207297
Method of operating a wind farm
Method of operating a wind farm comprising a plurality of wind turbines, each of the turbines having a plurality of blades, the method comprising determining a possible wake situation at a first wind turbine caused by a second wind turbine, the second wind turbine being located upstream of the first wind turbine, and individually adapting the blades of the second wind turbine such that a wake generated by the second wind turbine is deflected away from the first wind turbine.. .
07/24/14
20140207296
Disablement of wind turbines in a wind park
Embodiments of the invention generally relate to wind turbine generators, and more specifically to the deactivation of wind turbines in a wind turbine park. A wind park controller may be configured to retrieve data indicating fatigue experienced by each wind turbine of the wind turbine park, and deactivate those turbines determined to be the most fatigued, thereby increasing the lifetime of turbines in the wind turbine park..
07/24/14
20140205456
Wind turbine auxiliary drive system
Wind turbine auxiliary drive system comprising a motor, a drive pinion, a bearing and a lubrication system, the bearing comprising an outer bearing ring, an inner bearing ring and, between these two bearing rings, one or more rows of rolling elements which allow both bearing rings to rotate relative to each other, the inner bearing ring having an inner side comprising a gear which meshes with the drive pinion, wherein a height of the gear in an axial direction is smaller than the height of the inner bearing ring such that a gearless portion is defined, and wherein at least one lubricant inlet and/or at least one lubricant outlet is arranged on said gearless portion.. .
07/24/14
20140205452
Wind turbine blade
A rotor blade including a blade root, an aft-swept portion, and straight portion. The blade root defines a pitch axis for the rotor blade.
07/24/14
20140205384
Segmented ballast base support structure and rail and trolley structures for unstable ground
Unstable ground is found in many situations in many locations around the world and causes such locations to be unsuitable for building without further support or stabilization. Unstable ground, such as landfills, can be used for beneficial purposes as opposed to lying dormant.
07/24/14
20140204633
Distributed power generation interface
Described herein are methods, systems, and apparatus for a controller for a power circuit that interfaces distributed power generation with a power distribution grid, comprising: a first portion, including a maximum power point tracker, that receives signals corresponding to the distributed power generation voltage and current, and outputs to the power circuit a signal for controlling the voltage of the distributed power generation; a second portion, including a current reference generator, a current controller, and a dc voltage controller, that receives signals corresponding to a dc voltage of the power circuit, the power distribution grid voltage and current, and the inverter current, and outputs signals for controlling the power circuit output voltage; wherein the current reference generator includes nonlinear circuit elements and generates a current reference signal from the dc voltage of the power circuit and the grid voltage and current; such that substantially harmonic-free power is injected into the power distribution grid. The distributed power generation may be, for example, a photovoltaic module or a wind turbine..
07/24/14
20140203566
Wind turbine
A wind turbine is provided to overcome the low conversion rates of existing thermal wind turbines, which are unable to meet the growing demand for power. A wind turbine tower (7) is provided with a shaft (3) that extends vertically from the bottom or the middle of the tower to the top of the tower.
07/24/14
20140203565
System and methodology for a wind turbine
A wind turbine having discrete sets of magnets on the turbine support and the turbine rotor, creating repelling forces and spaces therebetween. The reduction of friction between the turbine rotor and the turbine support allows for an increase in energy production and scale of the wind turbines..
07/24/14
20140203564
Platform for generating electricity from flowing fluid using generally prolate turbine
A platform-like device for generating electricity from moving fluids has two has at least two fluid turbines coupled to one another through a frame. The fluid turbines are adapted to rotate in opposite directions.
07/24/14
20140203563
System and method for controlling power output from a wind turbine or wind power plant
A lidar or other remote sensing apparatus is mounted on a wind turbine to sense one or more wind parameters. An extreme event detector processing signals from the lidar to determine whether a given sensed parameter will, when it arrives at the turbine, exceed a predetermined value and represent an extreme event.
07/24/14
20140203562
System and method for controlling a wind turbine including conrolling yaw or other parameters
A system and method for controlling a wind turbine, including controlling yaw or other parameters. In accordance with an embodiment, each of several basic operating parameters of a wind turbine can be measured to provide turbine operating parameters, including both turbine current parameters and turbine operating extremes.
07/24/14
20140203561
Variable input synchronous output drivetrain for wind turbine
A wind turbine drivetrain is disclosed. The wind turbine drivetrain includes a planetary gearbox.
07/24/14
20140203560
Wind turbine and method for adjusting rotor blade pitch angle in wind turbine
Wind turbines and methods for adjusting pitch angles of rotor blades in wind turbines are provided. A method includes monitoring an operational value of the wind turbine, and providing the operational value to a controller, the controller utilizing a proportional integral derivative control algorithm to adjust the pitch angle.
07/24/14
20140202971
Enhanced stability crane and methods of use
An enhanced stability crane (100) is described. Embodiments include a telescoping main support mast (114) upon which a crane base (106) resides.
07/24/14
20140202154
Renewable energy system
An integrated renewable energy system is provided for a tall multi-story building including solar, wind, and hydrogen subsystems. The solar subsystem includes a plurality of photovoltaic panels to produce a first source of electrical energy and a concentrated solar thermal system for producing a second source of electrical energy.
07/24/14
20140202002
Method of repairing a wind turbine blade
A method of repairing a wind turbine blade while mounted on a tower without removing the blade from the tower is provided. The method includes positioning the wind turbine blade in a substantially vertical orientation.
07/17/14
20140200723
System and method for energy distribution
A dispatch planner (dp) is a component in an energy system controller that controls the operation of energy resources interconnected into one energy system to provide optimal energy management for a customer. In one embodiment, the energy storage system includes an electric load, dispatchable sources of energy such as an electrical grid, diesel generators, combined heat and power generators; renewable sources of energy such as photo-voltaic cells and wind turbines; and stored energy resources such as electrochemical batteries or pumped hydro reserves..
07/17/14
20140199170
Wind turbine rotor blade de-icing arrangement
A de-icing arrangement of a wind turbine rotor blade is provided. The de-icing arrangement includes an electrically conductive mat, an electrically conductive band for distributing an electric current along a first edge of the mat, and a current supply connector for connecting the band to a current supply, wherein at least the electrically conductive mat is embedded in the body of the rotor blade.
07/17/14
20140199169
Method and apparatus for controlling an operational parameter of a wind turbine
A method for operating a wind turbine is described. The wind turbine includes a tower having a tower axis, and a nacelle being rotatable about the tower axis.
07/17/14
20140199160
Wind turbine with two sets of blades and method of operation thereof
An air turbine has two sets of blades concentrically mounted on a rotatable shaft. The two sets of blades are housed separately and an air supply for the turbine enters an air inlet of a first housing to drive a first set of blades and exits from the first housing to a second housing through an air transfer opening to drive the second set of blades in the same direction, the air exiting the second housing through an air outlet.
07/17/14
20140199156
Method of operating a wind turbine
A method of operating a variable speed wind turbine as a function of a wind speed is disclosed. The method comprises following a power curve describing the operation of the wind turbine as a function of wind speed in steady-state conditions.
07/17/14
20140199011
Rolling bearing, notably used in a wind turbine
A rolling bearing including an inner ring, an outer ring and at least one row of angular contact rollers disposed between raceways provided on the rings, each roller comprising a rolling surface in contact with said raceways and two opposite end faces. The inner and outer rings having guiding faces coming into contact with the end faces of the rollers..
07/17/14
20140196987
Device for positioning a rope access technician in relation to a blade of a wind turbine
A device for positioning a rope access technician next to a blade of a wind turbine, including a rigid spine, one or more clamp assemblies with each clamp assembly connected to the rigid spine and each clamp assembly capable of clamping to a blade of a wind turbine, and a lower platform connected to a lower portion of the rigid spine with a substantially flat top surface on which a technician may sit, stand or place items.. .
07/17/14
20140196654
Floating wind turbine platform with ballast control and mooring system
A floating wind turbine platform includes stabilizing columns, a tower, water-entrapment plates connected to the stabilizing columns, and a ballast control system. The tower is mounted over one of the columns.
07/17/14
20140196446
Generation of renewable energy from mass air flow
Systems and methods for generating reliable renewable energy using mass airflow generated from the vertical and/or horizontal movement of transport equipment, such as elevator cars. For example, elevator cars inside an elevator shaft may be used to generate renewable and reliable energy.
07/10/14
20140193264
Direct-drive wind turbine
A direct driven wind turbine and the main bearing used in such a wind turbine is provided. The rotating drive train is connected with a stationary part of the wind turbine via at least one bearing, which allows the rotation of the drive train in relation to the stationary part.
07/10/14
20140193262
Direct-drive wind turbine
A direct driven wind turbine with a plain bearing and a service method for this bearing is provided. A rotor is directly connected with a rotatable drive train, which is directly connected with a rotor of an electrical generator.
07/10/14
20140193259
Offshore wind turbine generator connection arrangement and tower system
An offshore wind turbine generator comprises an elongated, buoyant tower, having an internal service tube, the service tube extending from the lower end of the tower to above the waterline when in use, a connection arrangement comprising an upper connection assembly, and a lower connection assembly. An intermediate tension/torsion leg is arranged between the upper and lower connection assemblies.
07/10/14
20140193257
Acoustic noise monitoring system for a wind turbine
The present invention relates to an acoustic noise monitoring system for a wind turbine, comprising: a microphone for monitoring acoustic noise, the microphone adapted to be mounted to the exterior of a wind turbine nacelle; an input, the input adapted to receive operating conditions data from a wind turbine; a processor, the processor adapted to receive data from the microphone and the input; and storage memory, adapted to store the acoustic noise data and the operating conditions data. The processor is adapted to apply a transfer function to said acoustic noise data to correlate said data with a set of acoustic noise data measured at a remote location from the wind turbine.
07/10/14
20140193256
Wind power generation apparatus
There is provided a wind power generation apparatus capable of suppressing power consumption in an airflow generation device, and securely suppressing flow separation on a blade surface, thereby improving efficiency. A wind power generation apparatus 10 of an embodiment has wind turbine blades 32 each having, in a chord length direction, a base blade 51 fixed to a rotation shaft and a front divided blade 50 fixed in a pivotally adjustable manner, a first electrode 41 and a second electrode 43 which are disposed separately via a dielectric 42 on a blade surface of at least one of the base blade 51 and the front divided blade 50, and a discharge power supply 61 capable of applying voltage between the first electrode 41 and the second electrode 43..
07/10/14
20140193255
Apparatus for manipulating a wind turbine blade and method of blade handling
Apparatus for manipulating a wind turbine blade and method of blade handling an apparatus for manipulating a wind turbine blade having fixed lifting points (2) on the blade has a blade turner base (36,62,82,100), a frame like support structure (34,64,84,112) carried on the base and connecting structures such as brackets (32,138) which engage in the lifting points (2) on the blade extending into openings in the blade, the support structure (34,64,84,112) having a part-circular portion or periphery at which it connects to the base, being movably supported on the base so as to rotate relative thereto about a substantially horizontal axis in order to vary the orientation of a blade supported thereon.. .
07/10/14
20140193254
Method for optimizing the operation of a wind turbine
A method for optimizing the operation of a wind turbine having a rotor with at least one rotor blade, a tower, and a wind turbine controller, comprises determining a first load status of the wind turbine based on metereological data acquired by sensors, including a turbulence intensity; determining a second load status of the wind turbine based on mechanical loads on at least one wind turbine component; and increasing a load of the wind turbine, if the determined first and second load status of the turbine are within selectable load limits. A wind turbine implementing the method is also disclosed..
07/10/14
20140191780
Apparatus for testing a power source
A load device for applying an active load to a power source such as a wind turbine is characterized by an inductance and a resistive element both connected in parallel with the source. A relay is connected in series with the inductance and the resistive element and a controller is connected with the relays to selectively connect the inductance or resistive element with the source.
07/10/14
20140191506
Method and apparatus for operating a wind turbine
A method for operating a wind turbine is provided. The wind turbine includes a rotor with at least one rotor blade.
07/10/14
20140190090
Interlocking shape for use in construction members
Interlocking support posts form an interlocking rack system which may have a single mold which provides both a male and a female joinder member. Between the support posts can be mounted panels such as solar panels.
07/03/14
20140186189
Wind turbine rotor blade
A wind turbine rotor blade is provided. The wind turbine rotor blade includes at least two blade sections and a connector for connecting adjacent blade sections, which connector has an inner connecting part of a first blade section and an outer connecting part of a second blade section, wherein the outer connecting part is adapted to enclose the inner connecting part; and a first seal arranged about a connecting part such that an outer surface of the inner connecting part, an inner surface of the outer connecting part, and the first seal form a mould; and an adhesive layer introduced to fill the mould.
07/03/14
20140186188
Wind turbine blade and wind turbine generator havign the same
A wind turbine blade attached to a hub of a wind turbine generator is provided with a blade body; a first covering layer covering at least a leading edge in a first region including a tip part of the blade body; and a second covering layer covering at least the leading edge in a second region of the blade body, the second region being disposed on a hub side of the first covering layer, and the first covering layer has a higher erosion resistance than the second covering layer.. .
07/03/14
20140186185
Wind turbine blade mounting system
A wind turbine blade mounting system for use with variable-pitch wind turbine blades (100) having reduced diameter blade roots. For each wind turbine blade (100) to be installed on a nose cone structure (20) of a wind turbine nacelle, the mounting system incorporates a high capacity bearing assembly (106) configured with an outwardly-opening tapered inner sleeve (105) to engage a tapered shank section (104) of an associated wind turbine blade in a self-locking coupling, thereby facilitating assembly and disassembly of the wind turbine blades from a nose cone structure (20)..
07/03/14
20140186183
Tool and a method for moving a wind turbine drivetrain component
The invention includes a tool for moving a drive train component in a nacelle of a horizontal axis wind turbine, the nacelle comprising a nacelle structure (55, 56), the component being connected, in operation of the wind turbine, to a rotor(51) of the wind turbine, the tool comprising—at least one carrier (403, 405, 4041) adapted to be connected to the component, to carry the weight of the component, and to be supported by the nacelle structure, and—at least one drive unit (407) adapted to be connected to the nacelle structure and to the carrier, so as to provide a force between the nacelle structure and the carrier, so as to drive the carrier with the component in a direction parallel to the rotational axis of the rotor.. .
07/03/14
20140186176
Method of detecting a degree of yaw error of a wind turbine
A method of determining a degree of yaw error of a wind turbine is provided. The method includes obtaining wind pressure measurement values from in front of the rotor plane, which wind pressure measurement values exhibit a periodic nature related to a rotation of a spinner of the wind turbine, performing a signal processing step to process the wind pressure measurement values to determine a phase offset of the wind pressure measurement values relative to an angular reference, and deriving a yaw error angle from the phase offset.
07/03/14
20140186175
Extension tip sleeve for wind turbine blade
A wind blade is provided. The wind blade includes a body having an aerodynamic contour extended between a blade root and a blade tip.
07/03/14
20140186153
Sealing system and method of maintaining a clean environment in a wind turbine by absorbing lubricant used in the pitch or yaw bearings
A sealing system for a wind turbine comprises first component and a second component positioned proximate the first component and movable relative thereto. An absorbent element is secured to the first component and comprises an oil-absorbent material.


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Wind Turbine topics: Wind Turbine, Rotor Blade, Process Control, High Speed, Radial Flow, Rotor Shaft, Rotor Blades, 3d Printing, Degrees Of Freedom, Rotary Actuator, Hydraulic Rotary Actuator, Shaft Assembly, Transverse, Generators, High Altitude

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