FREE patent keyword monitoring and additional FREE benefits. http://images1.freshpatents.com/images/triangleright (1K) REGISTER now for FREE triangleleft (1K)
FreshPatents.com Logo    FreshPatents.com icons
Monitor Keywords Patent Organizer File a Provisional Patent Browse Inventors Browse Industry Browse Agents


Prime-mover Dynamo Plants > Electric Control > Fluid-current Motors > Wind

Wind

Wind patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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. The method includes determining an actual value of at least one of a first variable indicative of a failure state of the wind turbine and a second variable of...

07/10/14 - 20140191507 - Method for controlling power flow within a wind park system, controller, computer program and computer program products
The invention relates to a method for controlling power flow within a wind park system (100) for power transmission to a main power grid (90), the wind park system (100) comprising two or more parallel-connected island wind park grids. The method comprises the steps of: controlling a first voltage source...

07/03/14 - 20140183864 - Arrangement and method for avoiding stray currents in wind power plants
The invention relates to a method and an arrangement for avoiding stray currents in a wind power plant. There is an insulating power source having a galvanic decoupled secondary side, an electrical load coupled to the secondary side of the insulating power source through an electrical conductor and a stray...

06/26/14 - 20140175795 - Control system, method and program, and floating wind turbine generator provided therewith
The control system of this floating wind turbine generator is a control system of a floating wind turbine generator in which the control system controls a pitch angle control section by a pitch angle instruction value calculated on the basis of signals detected by a second sensor detecting a relative...

06/26/14 - 20140175796 - Wind turbine having a hts generator with a plurality of phases
The present invention relates to a wind turbine having 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 by a rotor shaft. A generator is arranged in the nacelle, wherein the superconducting rotor...

06/26/14 - 20140175797 - Wind energy capture device for a system for producing electricity from jetstreams
A jet stream wind energy capture device including two pair of parallel sail line tracks. Each track pair includes chain support beams; a plurality of rotatable chain gears connected to the support beams of each track; and sail-line chains that ride upon the chain gears. Generator(s) are attached to the...

06/19/14 - 20140167415 - Method of wind turbine yaw angle control and wind turbine
The present invention relates to the wind power engineering and to the method of controlling a yaw angle of the wind turbine, equipped with a horizontal rotor shaft as well as to the wind turbine for implementing the method. According to the method of the present invention, the time difference...

06/19/14 - 20140167416 - System and method for controlling speed and torque of a wind turbine during post-rated wind speed conditions
A method and system for controlling a wind turbine generator detect wind speeds and, at a first defined wind speed, control generator torque and generator rotational speed to achieve a pre-defined power for the wind turbine generator at the first defined wind speed. As wind speed increases beyond the first...

06/12/14 - 20140159367 - Operating a wind turbine and a wind farm in different grid strength
A method for controlling a wind turbine is proposed. The wind turbine is in a wind farm and connected to a point of common coupling that is connected to a utility grid. At least one quantity indicative of a short circuit ratio of the utility grid is measured. A control...

06/12/14 - 20140159368 - Wind generator with energy enhancer element for providing energy during periods of no wind and low wind conditions
The present invention is a new and novel wind generator system particularly suitable for small wind applications that harnesses low velocity wind effectively. In a preferred embodiment of the invention, the wind generator system comprises a drive shaft; one or more retreating blades and one or more advancing blades attached...

06/05/14 - 20140152010 - Method and systems for operating a wind turbine when recovering from a grid contingency event
A method for controlling operation of a wind turbine included within a power generation and delivery system is described. The method includes receiving, by a controller, a power command signal, wherein the power command signal indicates recovery from the grid contingency event; and increasing, in a non-uniform manner, power injected...

06/05/14 - 20140152011 - Redundant power supply architecture
The present invention relates to a redundant power supply system for wind turbine control systems, said power supply system being adapted to supply power to one or more power consumers of a wind turbine control system, the redundant power supply system comprising a first power rail, a second power rail,...

06/05/14 - 20140152012 - Systems and methods for utilizing an active compensator to augment a diode rectifier
The subject matter described herein includes an active compensatory augmented diode bridge rectifier system. According to one aspect, the system comprises a generator unit configured to generate a current flow comprised entirely of active current and a diode rectifier configured to receive the active current from the generator unit, to...

06/05/14 - 20140152013 - Method of yawing a rotor of a wind turbine
A wind turbine (1) in which the yaw speed of a rotor (4) of the wind turbine (1) is increased, in a direction to reduce yaw error, from a first speed to a faster second speed when at least one of a yaw error threshold and a rate of change...

05/29/14 - 20140145439 - System and method for providing yaw backup to a wind farm
A yaw backup system is provided. The yaw backup system includes an energy storage medium for storing auxiliary power. The yaw backup system also includes a yaw controller for coordinating delivery of power from the energy storage medium to a yaw motor for controlling a yaw angle of a wind...

05/29/14 - 20140145440 - Variable wind turbine having a power dissipating unit; a method of operating a power dissipating unit in a wind turbine
A variable speed wind turbine is provided. The variable speed wind turbine comprises a generator, a power converter for converting at least a portion of electrical power generated by the generator, the power converter comprising a generator-side converter, a grid-side converter and a DC (direct current) link therebetween, a power...

05/29/14 - 20140145441 - Stall controller and triggering condition control features for a wind turbine
Control features for a wind turbine that control the turbine over a range of wind speeds and under triggering conditions with reduced noise, cost, and reliability issues associated with other such controls. Control is accomplished via control electronics, which adjust the torque produced by the electrical output generation device (e.g.,...

05/22/14 - 20140138949 - Fault handling system for doubly fed induction generator
Fault Ride Through (FRT) transient management system configured to enhance the FRT capability doubly-fed induction generator (DFIG)-based wind turbines. A grid side converter (GSC) introduces shunt and series compensation for normal operation and voltage dips, respectively. A braking resistor may be added to smooth switching transients from shunt to series...

05/08/14 - 20140125058 - Wind turbine optical wind sensor
The invention comprises a wind turbine optical wind sensor 10 mounted on the rotor 4 of a wind turbine, either on the blades 5 or on the hub 5. The sensor comprises a plurality of light sources, each generating respective sensor beams made up of at least two individual parallel...

05/01/14 - 20140117668 - System and method for operating wind farm
Systems and methods for operating a wind farm are disclosed. The method includes detecting an operating condition of an upwind wind generator, the upwind wind generator located upstream of a downwind wind generator relative to a wind flow direction. The method further includes communicating a control signal to the downwind...

04/24/14 - 20140110940 - Systems and methods for use in operating power generation systems
A control system is provided. The control system includes a turbine controller that is configured to generate at least a first signal that is representative of pitch control commands for a plurality of turbine blades and a second signal that is representative of the pitch control commands for the turbine...

04/24/14 - 20140110941 - Wind farm and a method of operating a wind farm
According to an aspect of the invention, a wind farm is provided. The wind farm includes a plurality of wind turbines and a wind farm controller. The controller is configured to detect a high wind condition from at least one wind turbine in the wind farm, reduce a parameter setpoint...

04/17/14 - 20140103651 - Method and system for utilization a fluctuated wind
The present method and system provides: conversion of always fluctuating wind into a variable AC electrical power P through wind turbine and electrical generator; consuming its variable AC power with accordance of an equation P−Pc−Pv=0; conversion of the variable AC power is drawing from two phases of an electrical generator...

04/17/14 - 20140103652 - System and method of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve
Methods and systems of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve are described herein. One method comprises providing a wind park comprised of a plurality n of wind turbines each having an individual possible power output and the wind...

04/17/14 - 20140103653 - System and method of selecting wind turbine generators in a wind park for change of output power
Methods and systems of selecting wind turbine generators in a wind park for a change in output power are described herein. One method comprises providing a wind park comprised of a plurality n of wind turbines; selecting, on a non-spatial basis, n-1 or fewer wind turbines from the wind park...

04/17/14 - 20140103654 - Output control device, method and program for wind farm
A wind farm output control device includes a potential estimator estimating a maximum electrical energy outputtable, by each wind power generation device, a control amount determiner determining, based on the estimated maximum power amount, a control amount for an effective power of each wind power generation device and/or a reactive...

04/17/14 - 20140103655 - System and method for wind power dispatch in a wind farm
A system for wind power dispatch that includes a wind farm controller for controlling operation of wind turbines in a wind farm and regulating real time power output of the wind farm. The system also includes a wind power dispatch management system for computing a difference between a predefined power...

04/17/14 - 20140103656 - Wind power generation system, device using wind power generation system, and method for operating same
A wind turbine able to generate power irrespective of a presence of and a state of a power grid is disclosed. Specifically, a wind power generation system is provided with a wind turbine, the wind turbine including a blade that rotates in response to the wind, a generator that rotates...

04/17/14 - 20140103657 - Turbine having optimized efficiency
The invention relates to a turbine and to the implementation method thereof, said turbine comprising a blade mounted such that it can rotate about a central axis and an electromagnetic synchronous machine arranged with the blade in such a way as to modify the angular rotation speed of the blade...

04/10/14 - 20140097618 - Method of operating a variable speed wind turbine
A method of operating a wind turbine having a rotor with a plurality of blades, and one or more pitch mechanisms for rotating the blades is disclosed. The method comprises a sub-nominal zone of operation and a supra-nominal zone of operation for wind speeds above the nominal wind speed. The...

04/10/14 - 20140097619 - Wind turbine control method
A wind turbine control method is described based on the performance of various measurements of the oscillations of the nacelle of the wind turbine for the purpose of carrying out a series of calculations, the results of which allow parameterisation of certain actions on different wind turbine elements in order...

04/03/14 - 20140091571 - Wind turbine system
A wind turbine system includes a tower, a nacelle which is supported on the tower, a plurality of blades which are rotatably supported to the nacelle via a hub, and a generator which generates electricity by rotating the blades, wherein in case the tower shifts from vertical direction, the wind...

04/03/14 - 20140091572 - Method for operating a wind energy plant
The present invention concerns a method of operating a wind power installation comprising a pod with an electric generator for generating electric current and an aerodynamic rotor coupled to the generator and having one or more rotor blades, including the steps: operating the wind power installation when ice accretion on...

03/27/14 - 20140084587 - Wind turbine generator system and method for operating a wind turbine generator system
The present invention concerns a method of controlling a wind power installation connected to an electric network having a generator with an aerodynamic rotor with an adjustable rotary speed, in which the wind power installation can be operated at an operating point which is optimum in relation to prevailing wind...

03/20/14 - 20140077495 - System for converting wind energy into electrical energy through the flight of power wing profiles tethered to the ground by cables of a fixed length, without passive phases, and with automatic adaptation to wind conditions
Wind energy is converted into electrical or mechanical energy through the flight of at least one power wing profile tethered via one or more cables to a ground unit moved by the power wing profile along a path of alternating displacement for driving a generator, where the path of alternating...

03/13/14 - 20140070535 - Method and systems for operating a wind turbine using dynamic braking in response to a grid event
A method and system for dissipating energy in a direct current (dc) bus of a doubly-fed induction generator (DFIG) converter during a grid event is described. In one aspect, the method comprises monitoring operating conditions of an electrical system, the electrical system comprising at least a DFIG generator and a...

03/13/14 - 20140070536 - Voltage control in a doubly-fed induction generator wind turbine system
Systems and methods for regulating voltage in a doubly fed induction generator (DFIG) system are provided. More particularly, the voltage of the auxiliary power feed in a DFIG wind turbine system can be regulated by outputting reactive power from a power converter to a reactive element coupled between the auxiliary...

03/13/14 - 20140070537 - Wind turbine
There is provided a wind power installation having a component to be monitored and a crack detection unit. In that case the crack detection unit has at least one thread or fiber which is fastened directly on the component to be monitored. The crack detection unit further has a crack...

03/13/14 - 20140070538 - Method and apparatus for protecting wind turbines from extreme events
A wind turbine has a scanning Lidar arranged on the nacelle. The Lidar has a single scanning beam which scans about a substantially vertical axis to sense wind related data in a measurement volume a predetermined distance from the Lidar. Fast Fourier transforms of data from a plurality of points...

03/13/14 - 20140070539 - Wind turbine and method of operating a wind turbine
A method of operating a wind turbine comprising a rotor, a multi winding generator having a plurality of independent sets of control windings and a plurality of independent power electronic converters for controlling each set of control windings independently, the method comprising in a normal operation mode, the plurality of...

03/06/14 - 20140062085 - Voltage control for wind turbine generators
A voltage control system for a wind turbine generator may include a reactive power regulator configured to control reactive power production by the wind turbine generator by adjusting a voltage setpoint for the generator. The reactive power regulator may have a first time constant and the voltage setpoint may be...

03/06/14 - 20140062086 - Reactive power regulation
The present invention relates to a method of reactive power regulation in a wind turbine comprising a local reactive power control system adapted to operate in a central control mode and a local control mode, a method of reactive power regulation in a wind park connected to an electrical grid,...

02/27/14 - 20140054892 - Wind turbine pitch control system
A pitch control system for a wind turbine is disclosed. The pitch control system may generally include a motor having an armature and a winding and a grid power source configured to supply electrical power to the motor. The pitch control system may also include a plurality of switching components...

02/27/14 - 20140054893 - Hydraulic transmission methods and apparatus for wind turbines
A hydraulic transmission for a wind turbine that includes a rotor, one or more blades mounted to the rotor, a hydraulic pump mechanically connected to the rotor, and a hydraulic motor. The hydraulic pump and the hydraulic motor are connected to one another by a high pressure circuit. The hydraulic...

02/27/14 - 20140054894 - Wind turbine including optical sensor system
A wind turbine includes an optical sensor system comprising one or more optical sensors comprising: a sensor membrane; a light source for illuminating a surface of the sensor membrane; an optical dispersive element arranged to disperse the light from the light source; and a light detector for receiving a portion...

02/20/14 - 20140049046 - Wind power plant with highly reliable real-time power control
The present invention relates to a fault-tolerant control system for a wind power plant comprising a plurality of power units, the control system comprising control means for generating a replica of essentially concurrent power unit set-point values, a data communication network for transmitting the essentially concurrent power unit set-point values...

02/13/14 - 20140042745 - System and method for controlling speed and torque of a wind turbine during post-rated wind speed conditions
A method and system for controlling a wind turbine generator at wind speeds in excess of rated wind speed to detect wind speeds and, at rated wind speed, control generator torque and generator rotational speed to achieve a rated power for the wind turbine generator. As wind speed increases beyond...

02/13/14 - 20140042746 - Shock sensor for wind turbine generator
A vibration sensor (5) mountable to a wind turbine generator for detecting excessive vibration of the wind turbine generator, the sensor comprising a pendulum having a pendulum bob (25) of pre-determined mass coupled to a detection switch (10), the detection switch arranged to detect oscillation of the pendulum exceeding a...

02/06/14 - 20140035284 - Wind park control system
A wind park control system for controlling reactive power output of wind turbines is described. The wind park delivers active power and reactive power to a utility grid. A total amount of reactive power required by the utility grid and an individual amount of reactive power for each wind turbine...

02/06/14 - 20140035285 - Method and apparatus for protecting wind turbines from extreme events
A wind turbine has a Lidar (20) device to sense wind conditions upstream of the wind turbine. Signals from the wind turbine are processed to detect an extreme change in wind direction. The detection is performed by differentiating the rate of change of wind direction and filtering for a period...

01/30/14 - 20140028023 - Signal transmission system for a wind energy system and method for transmitting signals in a wind energy system
A wind energy system is described including a nacelle, a rotor rotatably connected to the nacelle, and a power line for transmitting electrical energy between the nacelle and the rotor. The power line includes a transmitting device between the rotor and the nacelle. Further, the wind energy system also includes...

01/30/14 - 20140028024 - Wind turbine control method
A wind turbine control method is described comprising the detection of the presence of an anomaly in the aerodynamic profile of the blades and operation of the wind turbine in accordance not only with the determination of said anomaly, but also taking into account the characteristics thereof....

01/30/14 - 20140028025 - Device and method for determining a blade position and for ending a safety run
A wind turbine assembly has a hub, a rotor blade, a bearing that can be installed between the rotor blade and the hub, and an adjusting device. The rotor blade is arranged on the hub so as to be rotatable substantially its longitudinal axis. The adjusting device comprises at least...