Matches 1 - 50 out of 89 1 2 >


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US20120076652 WIND TURBINE ACTIVE DAMPING ARRANGEMENT  
A wind turbine active damping arrangement for damping forces exerted on a component connected to a main shaft of a wind turbine is proposed. The damping arrangement comprises a smart fluid damper...
US20120248256 Pressure Based Load Measurement  
A system and method for a pressure based load measurement system are provided. The system includes two pressure orifices arranged on a top surface and a bottom surface of an airfoil. The pressure...
US20100021298 Wind Turbine Blade Position Determination System  
A system for determining the position of at least a part of a wind turbine blade by wireless transmission of a signal includes a transmitter arrangement attached to a wind turbine blade, a...
US20100119370 INTELLIGENT AND OPTIMIZED WIND TURBINE SYSTEM FOR HARSH ENVIRONMENTAL CONDITIONS  
A wind turbine including a torque distribution device for distributing torque between two different shafts. Also a system for detecting the presence of snow/ice on a wind turbine using ultrasound...
US20110206510 MODULAR ROTOR BLADE AND METHOD FOR MOUNTING A WIND TURBINE  
A rotor blade for a wind turbine includes at least two segments, and at least one cable, wherein the at least two segments are adapted to be mounted together to form the rotor blade, and wherein...
US20120230820 METHOD AND ARRANGEMENT FOR DETECTING A BLADE PITCH ANGLE UNBALANCE OF A ROTOR BLADE SYSTEM OF A WIND TURBINE  
A method is provided for detecting a blade pitch angle unbalance of a rotor blade system of a wind turbine, the rotor blade system rotating around a rotor rotation axis. The method includes yawing...
US20110091321 SYSTEMS AND METHODS FOR MONITORING WIND TURBINE OPERATION  
Systems and methods for monitoring wind turbine operation are disclosed. A method in accordance with one embodiment includes processing sensor data received from at least one strain gauge located...
US20110206511 Wind turbine and method for measuring the pitch angle of a wind turbine rotor blade  
A method for measuring the pitch angle of a wind turbine rotor blade is provided. In the method at least one image of at least part of the rotor blade is acquired by a camera from a defined...
US20110020122 INTEGRATED CONDITION BASED MAINTENANCE SYSTEM FOR WIND TURBINES  
A computer implemented method includes receiving condition information from a plurality of condition detection sensors coupled to a wind turbine and receiving wind turbine controller information....
US20090097976 ACTIVE DAMPING OF WIND TURBINE BLADES  
A wind turbine blade, includes a sensor, arranged upstream from a trailing edge of the blade for measuring an airflow characteristic near a surface of the blade; and an actuator, arranged...
US20110158807 METHOD AND COATING FOR PROTECTING AND REPAIRING AN AIRFOIL SURFACE USING MOLDED BOOTS, SHEET OR TAPE  
Disclosed is a field repairable airfoil structure such as a wing or a rotor blade and a method for repair and removal of erosion or impact damage to elastomeric coatings on surfaces such as the...
US20120173172 Determination of a vibrational frequency of a wind turbine rotor blade with a sensor device being placed at a structural component being assigned to and/or being part of the rotor  
A system for determining a vibrational frequency of a blade being attached to a structural component of a wind turbine is described. The blade is vibrating within a rotational plane of the rotor....
US20110217168 Method of attaching a load sensor to a surface of a rotor blade and rotor blade  
A method of attaching a load sensor comprising a support with a number of strain gauges on a surface of a rotor blade is proposed. The method comprises the steps of producing a set of holes with a...
US20110135466 SYSTEM AND METHOD FOR MONITORING AND CONTROLLING WIND TURBINE BLADE DEFLECTION  
A system is disclosed for monitoring and controlling the deflection of turbine blades of a wind turbine. The system includes a passive position detecting apparatus and a controller. The passive...
US20110116906 AIRFOIL COMPONENT WEAR INDICATOR  
An example airfoil assembly includes an airfoil body extending between a leading edge, a trailing edge, a suction side, and a pressure side. The assembly further includes a first protective...
US20100221111 WIND TURBINE BLADE, WIND TURBINE AND METHOD FOR MANUFACTURING A WIND TURBINE BLADE  
The invention relates to a wind turbine blade comprising one or more electric powered modules. The modules have power supply means converting an energy source to electrical power for said one or...
US20110135474 METHOD FOR TEMPERATURE CALIBRATION OF BLADE STRAIN GAUGES AND WIND TURBINE ROTOR BLADE CONTAINING STRAIN GAUGES  
A method for temperature calibration of a strain sensor for a rotor blade of a wind turbine is provided, the method including operating the wind turbine in a mode in which substantially no bending...
US20090232635 INDEPENDENT SENSING SYSTEM FOR WIND TURBINES  
A wireless sensing device for use in a wind turbine having a sensor capable of measuring one or more parameters for wind turbine operation. The sensing device also include a transmission device...
US20100143124 WIND TURBINE YAWING SYSTEM  
In order to prevent minor deviations from expected operation in a yawing system before they lead to larger deviations, there is in accordance with a method aspect of the invention disclosed...
US20100054941 WIND TRACKING SYSTEM OF A WIND TURBINE  
The present patent application concerns a wind turbine comprising a hub and at least one rotor blade connected to the hub, the hub and the at least one rotor blade forming a wind rotor that is...
US20090324409 ROTOR BLADE MONITORING  
A method of monitoring mechanical characteristics of helicopter rotor blades 1 comprises mounting at least one strain sensor 2 to at least one rotor blade 1 and measuring the mechanical load on...
US20120263592 Method for measuring the wind direction in the wake of a wind turbine rotor  
A method for measuring the wind direction signal of a wind turbine is described. The wind direction signal is measured in the wake of a wind turbine rotor. The measured wind direction signal is...
US20100135796 MONITORING JOINT EFFICIENCY IN WIND TURBINE ROTOR BLADES  
A split wind turbine rotor blade includes a first rotor blade member, a second rotor blade member, a joint between the first rotor blade member and the second rotor blade member, and a joint...
US20150010399 METHOD AND SYSTEM FOR DETECTION AND DETERRENCE OF FLYING ANIMALS AND PREVENTION OF COLLISIONS WITH WIND TURBINES  
The disclosure presents systems, methods and computer program products relating to a wind farm. The presence of flying animals, such as birds, bats, and insects may be determined. Deterrence...
US20100135790 WIND TURBINE BLADE WITH FOREIGN MATTER DETECTION DEVICES  
A wind turbine includes a wind turbine blade and a foreign matter detection device disposed on the wind turbine blade for detecting an accumulation of foreign matter on the wind turbine blade. The...
US20090116962 SENSORISED BLADE JOINT  
Wind turbine blade subdivided transversely into two or more sections made up of a number of sensors, preferably load cells and ultrasound sensors, assembled into the mechanical joining elements...
US20150369211 WIND BLADE TIP JOINT  
A wind turbine blade includes a first blade segment and a second blade segment extending in opposite directions from a chord-wise joint. The first blade segment includes a beam structure extending...
US20130259686 SYSTEM AND METHOD FOR CONTROLLING A WIND TURBINE  
A method includes obtaining at least one operational parameter value and at least one environmental parameter value associated with a wind turbine, predicting a future speed of the wind turbine...
US20130149145 WIND TURBINE  
The invention relates to a wind turbine, comprising a tower, a nacelle, at least one blade with a tip end and a root end and monitoring means for monitoring the surface condition of the blade,...
US20120161446 GLOBAL WIND FARM SURVEILLANCE SYSTEMS USING FIBER OPTIC SENSORS  
Methods and apparatus for measuring a parameter (e.g., temperature, pressure, strain, or vibration) of at least a portion of a wind turbine generator using distributed sensing with optical fiber...
US20090311097 WIND TURBINE INFLOW ANGLE MONITORING AND CONTROL SYSTEM  
A wind turbine including a control system and at least one wind turbine blade having a pressure measurement system is disclosed. The pressure measurement system includes a pressure probe that...
US20150240788 METHOD FOR DETECTING DAMAGE OF WIND TURBINE BLADE AND WIND TURBINE  
A method for detecting a damage of a wind turbine blade of a wind turbine rotor including a plurality of wind turbine blades includes: a strain data acquiring step of acquiring strain data...
US20150118047 WIND TURBINE AND METHOD FOR DETERMINING PARAMETERS OF WIND TURBINE  
A method for determining parameters of a wind turbine is disclosed. The method may generally include receiving signals from at least one Micro Inertial Measurement Unit (MIMU) mounted on or within...
US20120053851 SYSTEM AND METHOD FOR MONITORING TURBINE BLADE  
A system for monitoring mechanical stress on a turbine blade is disclosed. The system includes a ferromagnetic blade mount, a magnetic sensor, and a processor. The ferromagnetic blade mount...
US20100143128 WIND TURBINE YAW BEARING DETERMINATION  
A wind turbine includes a sensor for determining a position indicative of a yaw bearing of the wind turbine.
US20140003938 STALL DETECTION OF WIND TURBINE BLADES  
A stall sensor for a wind turbine is provided. A wind turbine including such a stall sensor and a method of operating such a wind turbine are also provided. The stall sensor includes detector...
US20090246019 WIND TURBINE MONITORING  
A method of detecting the formation of ice on the blades of a wind turbine 1. The wind turbine has at least one turbine blade 2 mounted to a rotor and provided with at least a first strain sensor...
US20080101930 Wind turbine blade deflection control system  
A wind turbine with a sensor that measures the out-of-plane deflection of the blades and a controller that uses the signal from the sensor to determine the risk of a tower strike. The controller...
US20060088414 Device to measure the axial displacement of the tip of the blades of a turbomachine for tests on the ground, and a process for using the device  
The invention concerns a device for measuring the axial displacement of the blades of a turbomachine rotor, for tests on the ground. This device is characterised by the fact that it includes means...
US20110175633 OUTDOOR STRUCTURE AND METHOD OF ESTIMATING DETERIORATION OF CONSTITUENT MEMBER OF OUTDOOR STRUCTURE  
A corrosion sensor 11A is installed on a tower 102, which is a structure such as a wind power generator, a substrate 12 of the corrosion sensor 11A is made of a material 13A, 13B, . . . identical...
US20120134811 SYSTEM AND METHOD FOR DETECTING AND/OR CONTROLLING LOADS IN A WIND TURBINE  
A system for detecting loads in a wind turbine is disclosed. In one aspect, the system may generally include a shaft, first and second pillow blocks receiving portions of the shaft and a bedplate...
US20100232961 FIBRE OPTIC SENSORS  
A wind turbine blade (1) incorporating an optical fibre (4) configured for structural monitoring of the turbine blade. The optical fibre comprises at least one strain sensor (5). One end of the...
US20130272874 METHOD AND DEVICE FOR DETERMINING A BENDING ANGLE OF A ROTOR BLADE OF A WIND TURBINE SYSTEM  
A method for determining a bending angle of a rotor blade of a wind turbine system includes step of reading in an acceleration signal which represents an acceleration of the rotor blade acting...
US20170159446 METHODS AND SYSTEMS FOR DETERMINING WEAR IN A TURBINE ENGINE  
A turbine engine system includes a component positioned such that the component is subject to wear. The component includes an outer surface configured to be subjected to wear and a wear indication...
US20120251317 WIND POWER PLANT  
A wind power plant having a nacelle and a rotor and a data transmission system which is suitable and equipped for transmitting data from a first data contact device in the nacelle through a data...
US20050019164 Technique for sensing altitude from fan speed  
A DC fan, or lot of DC fans is characterized at a constant voltage to determine the variation of their rotational speed with respect to altitude. Many such DC fans will have a substantially linear...
US20120133143 LIGHTNING STRIKE DETECTOR FOR HOLLOW STRUCTURE, WIND TURBINE ROTOR BLADE, AND WIND TURBINE GENERATOR EQUIPPED WITH THE SAME  
A lightning strike detector that can promptly detect a lightning strike to ensure safety and can accurately determine the position struck by the lightning with a simple, inexpensive, and highly...
US20140017081 METHOD OF CONTROLLING PITCH SYSTEMS OF A WIND TURBINE  
A method is provided for controlling the pitch systems of a plurality of pitch systems of a wind turbine. The method includes generating a main pitch control signal for the pitch systems on the...
US20130243590 SYSTEMS AND METHODS FOR DETERMINING THRUST ON A WIND TURBINE  
Systems and methods for determining thrust on a wind turbine are disclosed. In one aspect, a system is described that can be comprised of a wind turbine comprising a rotor, wherein one or more...
US20110135473 SYSTEM, DEVICE, AND METHOD FOR MONITORING A WIND TURBINE USING DATA QUALITY INDICATORS  
A method for monitoring a wind turbine is provided. An operating parameter, including a parameter value and a data quality value, is created by a controller. The parameter value is based on a...

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