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| Number | Title | Issue Date |
| 8183710 | Pre-stressed stiffening system for a wind turbine generator frame A system for stiffening and pre-stressing a generator frame in a wind turbine is provided. The system includes a plurality of stress-inducing members configured for imparting a predetermined amount of stress on the generator frame. Each of the plurality of stress-in... | 05/22/2012 |
| 8178989 | System and methods for adjusting a yaw angle of a wind turbine A method of adjusting a yaw angle of a wind turbine. The wind turbine includes a nacelle that is rotatably coupled to a tower. The method includes coupling a yaw drive assembly to the nacelle for adjusting an orientation of the nacelle with respect to a direction of... | 05/15/2012 |
| 8172493 | Apparatus and method for transporting and aligning wind turbine rotor blade An apparatus and method to facilitate transporting and aligning a multiple piece wind turbine rotor blade including a root piece and a tip piece. The apparatus includes a first portion configured to support a first end portion of the root piece and a second portion ... | 05/08/2012 |
| 8171614 | Systems and method of assembling a tower section An assembly system for use in assembling a lattice tower section is provided. The system comprises a platform, a first mounting assembly coupled to the platform, and, a second mounting assembly coupled to the platform, the first and second mounting assemblies are co... | 05/08/2012 |
| 8155923 | System, remote device, and method for validating operation of a wind turbine A method for validating operation of a wind turbine from a remote device. The remote device communicates with a controller, which is operatively coupled to the wind turbine. The method includes enabling a user through the remote device to submit a request for wind t... | 04/10/2012 |
| 8150641 | System, device, and method for estimating possible power output of wind turbines A method for use in calculating a possible power output of a wind turbine. A series of performance data samples is acquired. Each performance data sample includes a meteorological condition and a power output indicated at a first time by one or more sensors associat... | 04/03/2012 |
| 8142164 | Rotor blade for use with a wind turbine and method for assembling rotor blade A method for assembling a rotor blade for use with a wind turbine. The method includes providing a blade sidewall at least partially defining a cavity extending from a blade root towards a blade tip of the rotor blade, the blade sidewall having a leading edge and a ... | 03/27/2012 |
| 8138620 | Methods and systems for operating a wind turbine power converter A method for providing an output power to a load is described. The method includes coupling a multi-thread power converter system to an alternating current (AC) generator and to a load and monitoring at least one operating characteristic of the AC generator. The met... | 03/20/2012 |
| 8126679 | Automatic remote monitoring and diagnostics system A Monitoring and Diagnostics System is provided, which includes a monitoring unit and a monitored unit remotely located from the monitoring unit. The System also includes communication means between the monitoring unit and the monitored unit. The monitored unit incl... | 02/28/2012 |
| 8123478 | Systems and methods for monitoring a condition of a rotor blade for a wind turbine A method for monitoring a condition of a rotor blade of a wind turbine is provided. The method includes transmitting, from a sensor to a controller, at least one monitoring signal indicative of a vibration of the rotor blade. The condition of the rotor blade is calc... | 02/28/2012 |
| 8121738 | Method and apparatus for controlling wind turbine electric power generation A method of controlling a wind turbine farm includes programming at least one algorithm within at least one processor. The wind turbine farm has at least one wind turbine that includes a generator. The at least one algorithm is representative of a relationship betwe... | 02/21/2012 |
| 8120202 | Electric power transmission system for wind turbine and wind turbine farm and method for operating same A method of operating a wind turbine includes energizing at least a portion of a power conversion assembly via an alternating current (AC) power source. The method also includes converting AC power to direct current (DC) power having a DC component and an AC compone... | 02/21/2012 |
| 8120194 | System, device, and method for wind turbine load reduction in a cold weather environment A method for controlling an operation of a wind turbine. A meteorological condition is received from a meteorological sensor. An operating threshold value is calculated at least in part by applying a continuous function to the meteorological condition. An operation ... | 02/21/2012 |
| 8118536 | Method and system for operating a wind turbine A lubrication system for a wind turbine having a control system, the lubrication system including a sump configured to collect a lubrication fluid, and at least one heating unit configured to heat the lubrication fluid based on at least one forecasted condition.... | 02/21/2012 |
| 8115359 | Modular life extension kit for a wind turbine generator support frame A modular life extension kit is configured to extend a useful life of a support frame for a wind turbine generator. The support frame includes a support member coupled to a support cross-member. The support member has a first length, and the support cross-member has... | 02/14/2012 |
| 8112252 | Control system and methods of verifying operation of at least one wind turbine sensor A method of verifying operation of at least one wind turbine sensor includes dynamically defining a neighborhood of neighbor wind turbines for a first wind turbine, each neighbor wind turbine including at least one sensor. The method also includes receiving data fro... | 02/07/2012 |
| 8092172 | Method for operating a wind turbine with reduced blade fouling A method of operating a wind turbine is provided. The wind turbine has at least one rotor blade and an active flow control (AFC) system. The at least one rotor blade has at least one aperture defined through a surface thereof, and the AFC system is configured to mod... | 01/10/2012 |
| 8092171 | Systems and methods for assembling a pitch assembly for use in a wind turbine A method of assembling a wind turbine. The method includes coupling a pitch bearing to a hub that includes a wall. The pitch bearing includes a plurality of sets of pitch bearing teeth. At least one blade is coupled to the pitch bearing such that the blade is rotata... | 01/10/2012 |
| 8089334 | Cast-coil inductor An inductor device is described. The inductor device includes a core comprising two core sections, at least one gap defined between the two core sections, and at least one cast coil and fringe shield assembly. The at least one cast coil and fringe shield assembly in... | 01/03/2012 |
| 8076789 | System and method for controlling wind turbine power output A system and method for use in controlling a wind turbine's power output by a wind turbine controller. The method includes determining a predicted wind speed for the wind turbine, determining a current wind turbine power output, and determining a predicted wind turb... | 12/13/2011 |
| 8062431 | Method and apparatus for cleaning and de-icing wind turbine rotor blades A method of cleaning at least one of grime and built-up ice off a rotor blade of a wind turbine includes, in an exemplary embodiment, positioning a rotor blade in an immobile position in a downward orientation substantially parallel to the tower, positioning a tank ... | 11/22/2011 |
| 8057175 | Active control of a wind turbine blade A method and system for increasing power production of a wind turbine including a rotor, at least one rotor blade coupled to the rotor, at least one sensor, and a controller communicatively coupled to the sensor. A flow parameter of the rotor blade is detected, and ... | 11/15/2011 |
| 8057127 | Systems and methods for assembling an offshore support system for use with a wind turbine A method of assembling an offshore support system for use with a wind turbine. The method includes coupling a damper to a wind turbine tower. A counter-balance system is coupled to the damper for suspending at least a portion of the wind turbine above a water surfac... | 11/15/2011 |
| 8051627 | Tower adapter, method of producing a tower foundation and tower foundation A tower adapter is provided, the tower adapter includes a cylindrical portion extending in a longitudinal direction of the adapter, and a first lateral portion extending perpendicularly to the cylindrical portion at a first end thereof and having a plurality of firs... | 11/08/2011 |
| 8047783 | Systems and method for operating an active flow control system A method performed by a control system for operating a wind turbine includes operating a flow control system of the wind turbine in a first mode, and operating the flow control system in a second mode different than the first mode to facilitate removing debris from ... | 11/01/2011 |
| 8047770 | Methods and systems for providing variable mechanical brake torque A brake system is provided for controlling a rotational speed of a drivetrain for a wind turbine. The drivetrain is coupled to a rotor shaft and a generator rotor shaft. The brake system includes a mechanical brake operatively coupled to the drivetrain. The mechanic... | 11/01/2011 |
| 8043054 | Method and system for monitoring wind turbine A monitoring system for a wind turbine includes at least one acoustic sensor configured to measure an acoustic emission generated by at least one component of the wind turbine, and a control system configured to calculate at least one wear characteristic of the comp... | 10/25/2011 |
| 8043048 | Systems and methods for monitoring a structural health of a wind turbine A method for monitoring a structural health of a wind turbine. The method includes transmitting, from a sensor to a controller, at least one monitoring signal indicative of a structural discontinuity, the sensor operatively coupled to a structural component of the w... | 10/25/2011 |
| 8041540 | System, device, and method for acoustic and visual monitoring of a wind turbine A method for monitoring a wind turbine. A monitoring signal, including an audio signal and/or an image signal, is received from a monitoring device. Operating data are calculated based on the received monitoring signal. An operating condition and/or a deviation is d... | 10/18/2011 |
| 8038398 | System and method of distributing air within a wind turbine An air distribution system for use with a wind turbine. The wind turbine includes a nacelle that is coupled to a tower and a rotor that is rotatably coupled to the nacelle with a rotor shaft. The rotor includes at least one rotor blade that is coupled to a hub. The ... | 10/18/2011 |
| 8035242 | Wind turbine farm and method of controlling at least one wind turbine A method of controlling a wind turbine that includes at least one rotor shaft and at least one blade operatively coupled to the rotor shaft includes measuring a first wind turbine operational condition that is representative of a blade deflection value and generatin... | 10/11/2011 |
| 8035241 | Wind turbine, control system, and method for optimizing wind turbine power production A wind turbine includes a generator and a control system. The control system is configured to determine whether a predefined amount of turbulence will be induced to the wind turbine by a wake zone created by a wind turbine upstream thereof. The control system is als... | 10/11/2011 |
| 8032614 | Method for configuring a windfarm network A method for automatically configuring a local network in a windfarm is provided, the method including the steps of (a) automatically assigning an IP address to a device connected to the local windfarm network, (b) automatically receiving an identifier tag from the ... | 10/04/2011 |
| 8029239 | Rotor for a wind energy turbine and method for controlling the temperature inside a rotor hub A rotor for a wind energy turbine includes a hub defining an inner space and at least one rotor blade defining an inner space and having a tip and a root attached to the hub. The inner spaces of the hub and the at least one rotor blade are in fluid communication. Th... | 10/04/2011 |
| 8028604 | Methods and systems for turning rotary components within rotary machines A method and apparatus of turning rotary components of a rotary machine having a brake disc includes providing a turning gear assembly. The turning gear assembly includes a gear plate, a pinion gear and a gear motor coupled to the pinion gear. The method also includ... | 10/04/2011 |
| 8022565 | Method and apparatus for controlling a wind turbine A control system for a wind turbine, the control system having at least one measurement device configured to measure at least one operating condition of the wind turbine and a first controller. The first controller is configured to calculate an operating limit of th... | 09/20/2011 |
| 8021101 | Wind turbine and method of assembling the same A method of assembling a wind turbine is provided. The method includes coupling a support flange to an inner surface of a tower, and positioning a yaw bearing on the support flange. The yaw bearing includes a plurality of horizontally oriented rollers. A base of a n... | 09/20/2011 |
| 8011886 | Method and apparatus for increasing lift on wind turbine blade A lift device for a wind turbine blade. The lift device includes a first sidewall and an opposing second sidewall. The lift device is configured to be coupled to the wind turbine blade along a leading edge of the wind turbine blade, and to generate lift when airflow... | 09/06/2011 |
| 7983844 | Device and method for determining wind conditions using multiple wind resource grids A method for determining wind conditions within a geographic area based on a plurality of input wind resource grids. The input wind resource grids include input points associated with a geographic position and a wind condition. An output wind resource grid having a ... | 07/19/2011 |
| 7962246 | Method and apparatus for operating a wind turbine during a loss of communication A method for operating a wind turbine during a loss of communication is described that includes coupling a pitch controller to at least one wind turbine blade and to a wind turbine controller, establishing communication between the pitch controller and the wind turb... | 06/14/2011 |
