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Matches 51 - 100 out of 5,914

Document Document Title
WO/2019/033685A1
Disclosed are a multi-unit power generation windmill using a track-borne compound blade reciprocating operation, and a direction adjusting method. The multi-unit power generation windmill using a track-borne compound blade reciprocating ...  
WO/2019/030133A1
The invention relates to a method to control the operational status of a wind turbine. According to the invention an operator communication interface establishes a wireless point-to-point communication to a wind turbine communication int...  
WO/2019/031077A1
Provided is a wind farm control system wherein the operating efficiency of the wind farm can be improved and the amount of power that is generated can be increased when there are momentary abrupt fluctuations in the wind direction. This ...  
WO/2019/030321A1
The invention relates to a system for detecting and monitoring a speed of a rotor (106), more particularly a wind turbine (100) rotor, comprising: at least three sensor units (10), each sensor unit (10) having an acceleration sensor (12)...  
WO/2019/028375A1
A device for removal and installation of a pitch bearing on a wind turbine having a plurality of blades is provided, comprising a platform having a frame, wherein the platform includes a first bearing attachment member on a first side of...  
WO/2019/022589A1
The object of the invention is to create a turbine made up of series of blades fitted in stages or rotors and spread across axes so as to achieve a very precise spatial configuration that allows the flow of a fluid (air or water) circula...  
WO/2019/019542A1
A variable-pitch device for a wind turbine. The wind turbine comprises a hub (1) and a blade (6). The variable-pitch device comprises a variable-pitch bearing (2), a transmission element, and a driving mechanism (4) used for driving the ...  
WO/2019/021735A1
The present invention addresses the problem of mechanical wear and decline in generation performance. This wind power generation device is provided with: a rotor that is rotated by wind; a nacelle that rotatably supports the rotor; a tow...  
WO/2019/017754A1
Provided is a wind power generator comprising: a rotor; a nacelle assembly in which a main shaft for increasing rotational kinetic energy of the rotor is mounted; a power transmission shaft connected perpendicular to the main shaft so as...  
WO/2019/015255A1
A method for controlling the output power of a wind generating set, comprising: predicting the rotating speed of the wind generating set; determining frequency modulation remaining time based on the predicted rotating speed, wherein the ...  
WO/2019/018220A1
Systems can be used to harness energy from winds. For example, this document describes scalable systems having multiple wing-like blades that can efficiently convert wind power into electricity and other types of energy.  
WO/2019/017723A1
The present invention relates to an openable and closeable blade for a vertical-axis wind turbine and, more specifically, to an openable and closeable blade for a vertical-axis wind turbine, wherein: an upper and a lower blade (3) (4), e...  
WO/2019/012814A1
The present invention autonomously controls operation of wind power generators and enables compensation of variations in a system frequency. Wind power generation devices 12a, 12b are connected to a power system 11 and comprise: first co...  
WO/2019/013866A1
Embodiments of the present disclosure include a data processing and control augmentation system capable of identifying overloading of one or more wind turbine assemblies and providing information to a wind farm controller to reduce a pow...  
WO/2019/012788A1
The present invention includes: a doppler radar that is installed on at least one of a plurality of wind power-generation devices and that projects a laser beam to measure the wind conditions around the wind power-generation devices; and...  
WO/2019/007643A1
The invention relates to a method for providing data records (28, 30) for the units (100), in particular wind turbines, of a wind park (112). The wind park (112) is divided into at least two groups (122, 124), wherein at least one, multi...  
WO/2019/007105A1
A wind turbine blade pitch variation device, comprising: a disc driving structure (300) perpendicular to the axis of a variable-pitch bearing (200), a rail (310) surrounding the axis of the variable-pitch bearing being provided on the di...  
WO/2019/007855A1
Disclosed is a mobile control unit (200) for a wind turbine comprising a plurality of components (130-150). The mobile control unit (200) includes a supply module (210) that has a main control unit (211) and at least one control module (...  
WO/2019/007797A1
The present invention relates in one aspect to a method of servicing a hydraulic cylinder of a hydraulic blade pitch system on-site in an installed wind turbine. The method is for releasing the hydraulic cylinder from its articulated att...  
WO/2019/001917A1
The invention relates to a wind energy system (100), in particular an offshore wind energy system (100), comprising a plurality of wind turbines (104.1, 104.2, 104.3, 104.4) connected to at least one cable network (106), wherein the cabl...  
WO/2019/001672A1
A method for controlling a wind turbine is disclosed. The wind turbine comprises a set of wind turbine blades (1), each wind turbine blade (1) being provided with profile changing means (2, 4) being configured to be in an activated state...  
WO/2019/002923A1
The invention relates to a vertical wind turbine (1) comprising a plurality of vertical vanes (7), each of which is secured to a respective vertical vane axis (26) so as to be rotatable about a respective vane rotational axis (C7) indepe...  
WO/2019/000728A1
A wind turbine variable-pitch device and a wind turbine. The variable-pitch device comprises a disc-type driving structure (410), a crank (420), a connecting rod (430), a slider (440), a guide rail (450), and a driving motor (460). The d...  
WO/2019/001669A1
The present invention relates to a method of controlling an electro-thermal heating system in a wind turbine blade, comprising measuring a supply voltage to the electro-thermal heating system, determining a duration of a variable time ba...  
WO/2019/002439A1
To solve the problem of a mis-calibration of a wind turbine a computer-implemented method for re-calibrating at least one yaw-angle of a wind turbine starting from an initial yaw-angle calibration of said wind turbine, based on determini...  
WO/2019/001668A1
Embodiments herein describe validating an emergency stop signal before activating a brake within a wind turbine. The emergency stop signal is received from a control node of a plurality of control nodes distributed throughout the wind tu...  
WO/2019/003518A1
The present invention optimizes the replacement period of lubricating oil through appropriate lubricating oil diagnosis. This system is for monitoring lubricating oil supplied to a mechanical drive unit of a wind power generator. This sy...  
WO/2019/002922A1
The invention relates to a vertical wind turbine (1) comprising a plurality of vertical vanes (7) which are secured to a vertical vane axis (26) so as to be rotatable independently of one another about a respective vane rotational axis (...  
WO/2019/002549A1
The invention relates to a vertical wind turbine (1) comprising a plurality of vertical vanes (7) which can be rotated independently of one another about a respective vane rotational axis (C7) by a motor and which are mounted on a common...  
WO/2019/001671A1
The invention relates to a wind turbine (100) comprising: -a wind turbine tower (2); -a nacelle (4) pivotally mounted on top of said wind turbine tower (2); -a primary rotor (6) comprising two or more primary rotor blades (8, 8', 8'') ar...  
WO/2018/236375A1
A system and method for simultaneously coordinating a wake control system and a noise control system of a wind farm having a plurality of wind turbines is disclosed. The method includes determining, via a farm controller, one or more wak...  
WO/2018/234986A1
A floating offshore horizontal axis wind turbine structure (1) comprising an anchored part (3) to a sea bed, and a rotatable part (4), the structure being supported by at least three means of floatation (6, 9) including a pivot buoy, whe...  
WO/2018/234442A1
The invention relates to an output unit (200, 300) of a pitch drive and/or of a yaw drive of a wind turbine, a pitch drive (160) of a wind turbine, a yaw drive of a wind turbine, a wind turbine (100), and a method for producing an output...  
WO/2018/233784A1
A multirotor wind turbine (1) comprising a tower structure (2) and at least one load carrying structure (3), each load carrying structure (3) being arranged to carry two or more energy generating units (5), is disclosed. The wind turbine...  
WO/2018/228904A1
The invention relates to a wind turbine (100) comprising a gearless generator (204) in the form of a synchronous generator having a stator and a rotor, further comprising a generator filter (202) which is coupled to the stator to filter ...  
WO/2018/229088A1
The invention relates to a method for supplying electric power to an electric supply network (120, 300), which has a network frequency, at a network connection point (118) by means of a converter-controlled generator unit (100), in parti...  
WO/2018/228645A1
The invention relates to a method for correcting deviations of power produced by a power plant which includes at least one wind turbine generator and possibly other types of power generating units. The power deviations, i.e. deviations f...  
WO/2018/224110A1
The present invention relates to operation of a wind turbine using a power storage unit, such as a rechargeable battery, to power a group of power consuming units during grid loss. The wind turbine comprises a number of power consuming u...  
WO/2018/226778A1
A turbine includes a tower and a nacelle supported on the tower and configured for rotation relative to the tower about a yaw axis. One or more brake discs are fixed to the tower and disposed about the yaw axis. One or more brake discs a...  
WO/2018/224103A1
Embodiments are generally directed to techniques for operating a wind turbine of a wind power plant. An associated method comprises determining, using one or more sensors of the wind turbine, a first power production level of the wind tu...  
WO/2018/219415A1
There is provided a method of operating a renewable power plant that is connected to a wider power network by a bus. The method comprises: identifying a predetermined voltage condition of the renewable power plant or of the bus; controll...  
WO/2018/222371A1
The present disclosure is directed to a method for optimizing power production of a wind turbine. The method includes determining at least one operational constraint for the wind turbine. The method also includes operating the wind turbi...  
WO/2018/222719A1
The present disclosure provides a method and system for optimizing a control process. The method and system comprise using a sensor to generate a feedback signal that represents a measured performance index for an extremum seeking contro...  
WO/2018/219416A1
A wind turbine including yaw control comprising a controller receiving an input signal, and providing an output control signal to a yaw actuator. The input signal to the controller is based on: a first feedback signal that is indicative ...  
WO/2018/222158A1
Wind turbine blade (110) comprising a positioning slit opened at the leading edge of the blade, the wind turbine blade comprising a plasma actuator forming a plasma (200) in the positioning slit. The mentioned invention provides more eff...  
WO/2018/222341A1
Systems and methods for detecting faults are provided. A method for determining a fault condition for a component of a drivetrain in a wind turbine can include receiving an acoustic signal from an acoustic signal measuring device. The me...  
WO/2018/215472A1
The invention relates to a method and to a device for controlling the operation of a drive train of a system, in particular a power generation system, having a rotor (1), having an electric machine (8) connected to a network (10), and ha...  
WO/2018/217127A1
The invention relates to the field of power engineering, and more particularly to wind energy installations which produce electrical energy by utilizing the force of an air flow. A wind energy conversion module comprises a body (9) confi...  
WO/2018/217128A1
The invention relates to a method and system for converting wind energy into electrical energy. The method consists in that wind energy receivers mounted on the body of movable wind energy conversion modules which perform a linear moveme...  
WO/2018/209655A1
A method (100) for estimating a temperature of a motor (33) of a pitch drive mechanism (32) of a rotor blade (22) of a wind turbine (10) includes monitoring, via at least one sensor (57-59), an actual temperature and at least one additio...  

Matches 51 - 100 out of 5,914