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Matches 701 - 750 out of 6,070

Document Document Title
WO/2015/192853A1
The present invention relates to a control system for thrust-limiting of wind turbines, which wind turbine comprises at least one tower, which tower carries at least one nacelle which nacelle comprises a rotating shaft, which shaft is ro...  
WO/2015/190945A1
A wind- and/or water-powered drive with a substantially vertical positioning of the drive shaft is provided with a set of rotating vanes, forming a right-hand rotation shaft and a left-hand rotation shaft. In the sleeves of said left-han...  
WO/2015/189032A2
The present invention is concerned with a flexible way of operating a wind farm with a plurality of degrading wind turbine components. According to the invention, maintenance scheduling and power production in the wind farm are handled c...  
WO/2015/192102A1
A horizontally channeled vertical axis wind turbine for electrical power generation is provided. The wind turbine may collect ambient wind speed from between 0 - +/-50 ft. above ground level. The collected wind is accelerated and concent...  
WO/2015/185299A1
A vertical axis wind turbine (10) comprises two or more cells (Z1, Z2) arranged one above the other along a vertical machine axis (MA), wherein each of the cells (Z1, Z2) comprises a plurality of vertical wings (13) which are arranged wi...  
WO/2015/128874A3
The present invention relates to an aerodynamic speed control system (shown in fig 1) for controlling the speed of the wind turbine spontaneously. The system achieves speed control by means of mechanical and electronic configurations. Th...  
WO/2015/159041A3
Power generating apparatus (10) comprises a housing (14) and a wind turbine (12) within the housing. The wind turbine comprises a plurality of rotatable turbine blades (66). The housing has a forward region (20) extending forwardly of th...  
WO/2015/185720A1
The invention relates to a wind turbine comprising at least one rotor blade (108) and at least one optical pressure sensor (18) which is arranged on the rotor blade (108) and to a method for operating the wind turbine.  
WO/2015/180727A1
The present invention relates to a method for controlling a wind power plant, the wind power plant comprising a plurality of wind turbine generators, each wind turbine generator comprising at least one power converter for providing activ...  
WO/2015/180095A1
A drum-shaped retractable wind wheel (10) and a horizontal-axis wind-driven generator. The drum-shaped retractable wind wheel (10) comprises a main shaft (100), a frame assembly, a blade group, an adjustment apparatus (600), and a blade ...  
WO/2015/176611A1
A vertical axis wind machine having controllable output power, comprising a wind machine base, and an integrated shaftless circular three dimensional framework having a rigid connection with an annular floating body; blades are installed...  
WO/2015/178788A1
The invention relates to vertical-type wind turbine installations. A wind-energy installation contains a load-bearing structure in the form of a three-dimensional framework having mounted thereon two rotors, capable of counter-rotation, ...  
WO/2015/171347A1
Includes a structurally optimized axial wind turbine, comprising a tilted or horizontal axis rotor, a tower, supported by guy wires near the top, blades on suspension cables and, optionally, non-axial power removal. Variations of it on t...  
WO/2015/169605A1
The invention relates to an adjusting device (1) for adjusting an azimuth position of a nacelle (104) of a wind turbine (100) comprising an encircling perforated flange (2) provided with bores, and at least one adjusting means (4) with a...  
WO/2015/168008A1
A solar and wind energy collection system, wherein solar power is gathered to perform the task of restarting the wind turbine. The system includes a wind turbine assembly with the wind turbine assembly including a plurality of wind turbi...  
WO/2015/165893A1
A manufacturing method is described for a wind turbine blade (10), where layers of fibre material (72) are laid up in a mould to form a portion of the blade structure. The fibre layers are infused with a resin which is subsequently cured...  
WO/2015/159041A2
Power generating apparatus (10) comprises a housing (14) and a wind turbine (12) within the housing. The wind turbine comprises a plurality of rotatable turbine blades (66). The housing has a forward region (20) extending forwardly of th...  
WO/2015/158348A1
The present invention relates to a wind turbine structure comprising a wind turbine tower with a nacelle arranged on the top to which a rotor hub with one or more rotata- ble mounted wind turbine blades are mounted which form a rotor pla...  
WO/2015/155080A1
The invention relates to a method for feeding electrical energy into an electrical supply grid by means of a wind turbine (100), wherein the wind turbine (100) generates electric power (P) from wind having a variable wind speed by means ...  
WO/2015/148784A1
A hanging windmill has a wind turbine and a generator mounted on an airframe supported by a hanger at the center of gravity of the assembly. A stop is provided for preventing the tipping of the airframe on the hanger beyond a point where...  
WO/2015/146705A1
This state monitoring system monitors the state of an apparatus provided to a wind power generator device, and is provided with: a wireless measurement unit containing a sensor provided to the apparatus; and a data collection device that...  
WO/2015/142363A1
A rail mounted wind turbine (100) includes a pivotable housing (104) placed between rails (108) of a rail track (106). The pivotable housing (104) can move into at least one upward position (110) and at least one downward position (112) ...  
WO/2015/140093A1
The invention relates to a rotor blade (20) of a wind turbine having a rotor which in particular has a substantially horizontal axis of rotation, wherein the rotor blade (20) has a rotor blade shell (29) having a suction side (10) and a ...  
WO/2015/135547A1
Methods and systems for reducing an output power of a group of wind turbines are provided. A measure of life usage by at least one component of each of a plurality of the turbines is determined, and is compared to a threshold value for l...  
WO/2015/138252A1
In order to increase efficiency in aerial wind turbine vehicles, it is desirable to reduce the system drag associated with airflow across radiator in those cases where airflow exceeds the necessary flow to sufficiently cool the motor/gen...  
WO/2015/136687A1
Provided is a wind farm control system that allows an entire wind farm to operate efficiently by taking into consideration the influence of slipstream generated in the wind farm. A wind farm control system comprising a plurality of wind ...  
WO/2015/137189A1
 A wind power generation device (100) includes vibration sensors (90A-90F) for detecting the status of instruments in the wind power generation device (100). Each of the detected outputs of the vibration sensors (90A-90F) is transmitte...  
WO/2015/135549A1
The invention relates to a method of controlling a wind turbine, the wind turbine comprising wind turbine blades attached to a rotor hub and a control system for pitching the blades relative to the rotor hub. The method comprises determi...  
WO/2015/135546A1
A method is disclosed for controlling a wind turbine generator to provide power above a rated level based upon operational constraints. The wind turbine includes an over-rating controller that calculates an over-rating power demand in re...  
WO/2015/134187A1
The present subject matter is directed to a system and method for optimizing wind turbine operation. For example, the present disclosure is configured to generate operating data for at least one operational parameter of the wind turbine ...  
WO/2015/132187A1
The invention relates to a rotor blade setting method for a wind turbine (100), said wind turbine (100) comprising a rotor (104) having a plurality of rotor blades (106). The method comprises a step of reading in a plurality of blade loa...  
WO/2015/130561A1
In one aspect, a method for controlling a power generation system may generally include determining a phase angle error associated with the power generation system, determining a scaling factor based on the phase angle error, generating ...  
WO/2015/058689A9
A vane assembly, particularly suitable for a transverse flow, or vertical axis, turbine or a propulsion device comprises: avane with at least one concavo-convex part that is mounted by a pivot about so that it is free to rotate about a p...  
WO/2015/129015A1
 To reduce the effects of backflow of a wind power generation apparatus on not only floating ocean wind farms, but on wind farms altogether, including, e.g., land wind farms and implanted ocean wind farms. A wind farm having a pluralit...  
WO/2015/128426A1
Disclosed is a wind turbine rotor comprising a rotor hub, one or more blades mounted on the rotor hub, wherein each blade comprises a non-pitchable portion and a pitchable portion, and a blade pitch system with a pitch bearing arrangemen...  
WO/2015/123738A1
The present invention patent relates to an apparatus (1) for extracting energy from moving fluids, such as winds, sea currents, tides or rivers, comprising a fixed base or tower (2) and a rotary hub-like component (3) mounted on the towe...  
WO/2015/124946A1
A method and system for improving the efficiency of energy capture from an energy capture device by analysis of the downstream fluid wake created by the energy capture device. In an illustrated embodiment, the system (10) comprises a sen...  
WO/2015/120856A1
The present invention relates to a method for operating a wind power plant in a wake situation, said wind power plant being connected to a power grid, the method comprising the steps of operating the wind power plant in a predetermined p...  
WO/2015/123032A1
A wind turbine assembly is provided. The assembly includes a support structure and a wind turbine mounted on the support structure. The wind turbine includes a front face with blades defining a surface area to engage incoming wind, a rol...  
WO/2015/120921A1
The invention relates to a vertical wind generator comprising at least two blades which are rotatably mounted with respect to a center vertical axis of rotation, each blade having a main blade with a long side and an auxiliary blade fast...  
WO/2015/118055A1
Methods of operating a set of wind turbines for providing a total power demand to a grid according to a grid requirement are provided. A first group of wind turbines is configured to generate an individual active power based on an indivi...  
WO/2015/036806A4
Horizontal axis W/T of low wind speeds of propeller type, bearing a main rotor of three blades (1), while in the space between two successive blades (1) and diametrically opposite to the third, an additional 4th blade (2) also of propell...  
WO/2015/117839A1
The invention relates to a method (340) for stabilising a drive train (106) of a wind turbine (100), wherein the wind turbine (100) comprises at least one rotor blade (112), a machine carrier (128) and, as main components (118, 120, 122)...  
WO/2015/047148A3
The present invention relates to a floating unit adapted to extract energy from the wind comprising a floater exhibiting a square figure of structural elements permanently attached to nine orthogonal equidistant primary nodes each one of...  
WO/2015/115145A1
A converter (22) converts commercial AC power to DC power, and supplies the same to an inverter (16). The output from the inverter (16) is supplied to an electric motor (12). The output from the electric motor (12) is supplied, via a red...  
WO/2015/113011A1
An aerodynamic slat (30) mounted over a forward suction side (40) of a wind turbine blade (22) and a mechanism (51A-F) that closes or reduces a gap (31) between slat and blade. The slat may pivot to reduce the gap, or the gap may be redu...  
WO/2015/106918A1
The invention relates to a method for the operation of a wind energy installation (100) and/or a wind farm (112) for supplying electric power to an electrical supply system (120), wherein output power, particularly active and/or reactive...  
WO/2015/107045A1
The aim of the invention is to prevent collisions between wind turbines and cranes, in particular service cranes on offshore platforms (1). A crane (6, 7) that is not in a safe parked mode but in the operating mode can readily collide wi...  
WO/2015/035262A9
A vertical axis wind turbine system having a vertical mast with one or more turbine units supported thereon. The turbine units are of modular construction for assembly around the foot of the mast; are vertically moveable along the height...  
WO/2014/028581A3
The subject application is directed to a horizontal axis wind turbine with actuating tail and method of operation. The wind turbine assembly is adapted for use atop a tower and includes a frame, a yaw shaft assembly coupling the frame to...  

Matches 701 - 750 out of 6,070