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Patent Searching and Data


Matches 451 - 500 out of 6,010

Document Document Title
WO/2017/064903A1
An assembly (20) of a blade and rotor has a rotor (30) connected to a power generator (12), the rotor (30) transmitting rotational force to the power generator, a blade (40) connected to the rotor, the blade (40) causing the rotor to rot...  
WO/2017/063654A1
There is provided a method for controlling a hydraulic pitch force system (220) so as to reduce or eliminate a decrease in hydraulic oil pressure (241) if a hydraulic system parameter value is outside a hydraulic system parameter range, ...  
WO/2017/060430A1
The invention relates to a method for monitoring a wind turbine with a nacelle, comprising the following steps: recording a sound by means of at least one acoustic sensor arranged on the outside of and on the nacelle, evaluating the reco...  
WO/2017/063003A1
The invention details a method of determining and controlling the attack angle of fixed-speed wind turbine blade aiming at finding out an appropriate angle of attack for optimal extraction of wind energy at low to medium wind speed, whic...  
WO/2017/059862A1
The present disclosure relates to a control of a wind turbine in connection with power boosting or fast increase of active power production. A boost command is received (63) and based on the current operational state and the boost level ...  
WO/2017/054822A1
A method, control arrangement, and wind power plant (WPP) comprising a plurality of wind turbine generators (WTGs)are disclosed. The method includes operating, responsive to a received power demand corresponding to the WPP, a boost group...  
WO/2017/054825A1
The present disclosure relates to a control system for a wind turbine comprising more controllers and where at least some of the controllers operate at different sample frequencies. The control system comprises at least two controller un...  
WO/2017/050338A1
A method and associated control arrangement are disclosed for controlling a de-rated power output of a wind turbine generator, where the wind turbine generator is associated with a predetermined power ramp rate upper limit and operating ...  
WO/2017/049377A1
The present invention describes a wind turbine having blades with: a differentiated incline intended to compensate for the structural deformations caused by the action of the wind; a pitch control mechanism to improve utilization of the ...  
WO/2017/051007A1
The invention relates to a method which comprises a step of feathering the rotor (4) of the vertical-axis wind turbine (2), which comprises setting blades (14) according to a setting configuration in which each blade (14) has a respectiv...  
WO/2017/052446A1
The present invention relates to a floating wind energy harvesting apparatus for offshore installation, comprising an elongated wind turbine body extending along a longitudinal wind turbine body axis; at least one blade attached to the w...  
WO/2017/048903A1
A wind turbine condition monitoring system includes a light source configured to produce an emitted light beam and a plurality of optical sensors configured to be positioned on a wind turbine to receive the emitted light beam from the li...  
WO/2017/046331A1
The invention relates to a method for controlling at least one pair of vertical-axis wind turbines (4A, 4B) supported by the same support structure (6), in particular a floating support structure (6), the two wind turbines (4A, 4B) of a ...  
WO/2017/042454A1
The invention relates to a transportable construction (1) including a generally box-shaped base cell (2), mounted on a load-bearing rolling chassis, and defined by two longitudinal side walls, two front and rear transverse side walls, a ...  
WO/2017/042191A1
The invention relates to a method for operating a wind farm having a plurality of wind turbines (100), wherein each wind turbine (100) has a nacelle, which has an aerodynamic rotor having one or more rotor blades and has a generator, the...  
WO/2017/042453A1
The invention relates to a transportable construction including a generally box-shaped base cell (2), of which one of the longitudinal side walls (3) is lined on the outside by a foldable structure (7) including a floor (8), a longitudin...  
WO/2017/043395A1
Provided is a wind power generation device with which power generation efficiency at low wind speeds can be markedly increased by causing a rotor to rotate at an accelerated rate. When a wind speed detection means 17 detects a predetermi...  
WO/2017/042651A1
The basis of the invention is to create power difference on both sides of a vertical axis rotor against the wind in a controlled way. In such a manner that blades are closed to wind, on one side of the rotor in a controlled way, while th...  
WO/2017/037053A1
The invention relates to wind power installations with wind turbines having two equal-sized rotors that are arranged next to one another and can be rotated together about a pivot axis, with in each case one rotor, having rotor blades, co...  
WO/2017/037245A1
The invention relates to a method for supplying electrical power into an electrical supply network via at least one wind turbine, wherein the supply is controlled in such a way that changes to the supplied power are limited, at least one...  
WO/2017/036481A1
The present invention relates to a wind turbine (1) and a method of operating a wind turbine with at least one rotational speed exclusion zone (18, 19), wherein the wind turbine (!) comprises a wind turbine control system (10) monitoring...  
WO/2017/039764A1
A servicing system (30 or 300) for servicing a brake device (24) of a brake system comprising the brake device (24) and a brake disc (22) is described. The servicing system (30 or 300) includes a frame (32 or 302), and the servicing syst...  
WO/2017/035325A1
Techniques are disclosed for actively determining a yaw misalignment value for a wind turbine based in part on identifying the position of a tower shadow effect that occurs the moment a blade passes in front of the wind turbine tower. Th...  
WO/2017/029294A1
The invention relates to a method for operating a wind turbine (1), a wind turbine (1) designed to carry out the method, and a computer program product. The method according to the invention for operating a wind turbine (1), in which at ...  
WO/2017/025640A1
A wind turbine blade (10) for a horizontal axis wind turbine (2), wherein the wind turbine blade (10) extends in a longitudinal direction parallel to a longitudinal axis and having a tip end (14) and a root end (16), and wherein the wind...  
WO/2017/022746A1
[Problem] To provide a vertical-type wind-power generation system which can handle wide ranges of wind speeds from light wind to strong wind, and which has high efficiency of conversion into rotational energy. [Solution] A vertical-type ...  
WO/2017/018112A1
Provided is an abnormality diagnosing device capable of detecting detachment of a vibration sensor from an object to be measured. The abnormality diagnosing device is provided with a vibration sensor and a control device. The vibration s...  
WO/2017/016518A1
Disclosed are a yaw control method and device for a wind generator set. The method includes: acquiring first wind information at the present moment characterized by current operation data of one wind generator set adjacent to the wind ge...  
WO/2017/019004A1
Vertical axis wind turbine and horizontal wind turbine each with a rotary airfoil assembly that has helical swept airfoils whose free ends each have a spoiler. The vertical axis wind turbine has permanent magnet discs for levitating stat...  
WO/2017/013997A1
A status-monitoring device (80) for a wind-power generation system is provided with: an orientation sensor (83) installed in a nacelle (90), the orientation sensor (83) detecting the orientation of the nacelle (90); and a status-monitori...  
WO/2017/013249A1
The invention relates to an assembly, comprising a first component (4), and a second component that rotates with respect to the first component (4), wherein on the first component (4), at least two antennae (21, 22) arranged at a distanc...  
WO/2017/009943A1
Provided are a downwind-type wind power generation system and a method for controlling said system, whereby deviation between the wind direction and the orientation of the axis of rotation of a rotor can be reduced with a comparatively s...  
WO/2017/006657A1
The purpose of the present invention is to provide a wind-following horizontal-axis wind turbine which can turn the front surface of a rotor upwind, reacting sensitively to changes in the direction of even light winds. A horizontal-axis ...  
WO/2017/005266A1
The present invention relates to a control method and a wind turbine configured to determine a load signal of at least one component of the wind turbine, and to calculate a damage rate based on this load signal. The control method calcul...  
WO/2017/006658A1
A rotation speed control method for a wind turbine is provided which, at low wind speeds, greatly increases power generation efficiency by increasing the rotation speed of the rotor to a fixed speed. When a wind speed detection means 24 ...  
WO/2017/005945A1
The invention relates to a control system for correcting systematic errors in the alignment of the wind turbine by means of mathematical algorithms implemented in the controller of the wind turbine. Different optimisation algorithms have...  
WO/2017/000955A1
A method of controlling a wind turbine is provided. Data is obtained that identifies, based on forecast data, one or more future periods of time during which it would be desirable to over-rate the wind turbine, and measures of the fatigu...  
WO/2017/001321A1
Pitch system (1) comprising at least one pitch motor drive (3) connected an electrical network (5). Each pitch motor drive (3) is connected to a power bank, and the pitch system comprises a test module adapted to be activated in a test p...  
WO/2017/000958A1
A method is provided of controlling a wind turbine that is operating according to a control signal causing the wind turbine to be over-rated above the wind turbine's rated power. The method comprises: obtaining one or more signals, or va...  
WO/2017/003355A1
The present invention relates to a floating VAWT comprising a wind turbine body having a lower body portion and an upper body portion; at least one blade attached to the upper body portion for converting wind energy to rotation of the wi...  
WO/2017/000569A1
An equivalent variable pitch differential control method and apparatus. The method comprises: acquire a first control parameter and a second control parameter respectively by means of a static energy deviation PI control method; acquire ...  
WO/2017/000946A1
A method is provided of protecting a wind turbine with a doubly-fed induction generator (DFIG) against a sub-synchronous resonance (SSR) event acting on the wind turbine. A plurality of power-output values or current-output values is mea...  
WO/2017/000959A1
A method is provided of controlling a wind turbine. The method comprises over-rating the wind turbine above the wind turbine's rated power in response to a control signal and applying an over-rating control algorithm that restricts the a...  
WO/2017/000954A1
A method for controlling a wind turbine is provided. The wind turbine is a turbine of the type that is operated to perform a control function that controls the amount of power produced based upon measures of fatigue life consumption of o...  
WO/2017/000957A1
A method of controlling a wind turbine is provided. The method comprises determining a target fatigue life consumption for each of one or more components of the wind turbine; comparing the target fatigue life consumption with a measure o...  
WO/2017/000949A1
A method of determining torsional deformation in a drivetrain e.g. of a wind turbine. To provide a reliable and simple deformation assessment, the method comprises the step of generating a first signal representing first rotational speed...  
WO/2017/000952A1
A method of generating a control schedule for a wind turbine is provided, the control schedule indicating how the turbine maximum power level varies over time, the method comprising: determining a value indicative of the current remainin...  
WO/2017/000950A1
Methods and Systems for Generating Wind Turbine Control Schedules A method of generating a control schedule for a wind turbine is provided,, the control schedule indicating how the turbine maximum power level varies over time, the method...  
WO/2017/000964A1
A method of generating a control schedule for a wind turbine is provided, the control schedule indicating how the turbine maximum power level varies over time, the method comprising: receiving input indicative of a target minimum wind tu...  
WO/2017/001695A1
Method for controlling a rotor blade adjustment device (14) of a wind turbine or water hydroelectric powerplant (1), wherein the rotor blade adjustment device (14) has a drive (20) which is connected to a rotor blade (8) which is subject...  

Matches 451 - 500 out of 6,010