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Matches 551 - 600 out of 3,647

Document Document Title
WO/2012/002607
The present invention generates power using tidal range, and comprises: a tide water hydraulic power generation device provided with a buoyancy body for generating buoyancy to enable floating thereof; a center shaft that is attached to a...  
WO/2012/000517
Methods, systems, and articles for operating a wind power plant during a grid fault. An energy storage system may be configured to transfer reactive power from the energy storage system to a power grid in response to detecting the grid f...  
WO/2012/001188
The invention relates to a device that generates electrical energy from renewable energies by means of the rotation of a motor supplied by solar energy. The rotation of the motor spins an axle equipped with horizontal arms bearing wind t...  
WO/2012/001138
A differential transmission (4) for an energy generating installation, in particular for a wind power installation, has three input or output drives wherein a first input drive is connected to an input drive shaft (2) of the energy gener...  
WO/2012/002606
The present invention relates to a rope conveyor structure having a plurality of plates attached to a rope in a separated manner, and the rope that is rotated using the plates having received resistance from the velocity of flow or wind ...  
WO/2012/001135
A variable rotation speed generator (6, 14, 18) has at least one electrical winding which is connected to at least one generator-side frequency converter output stage (22), wherein the winding is in the form of a single-tooth winding.  
WO/2011/160602
An airflow collection device includes an airflow collection channel (1, 101) provided with a large outer port and a small inner port. A flow-guiding body (2, 102) is arranged in the airflow collection channel (1, 101). A wind motor inclu...  
WO/2011/160634
A wind park comprises a plurality of wind turbines with a least one wind turbine downstream of at least one upstream turbine (20). The downstream turbine (24) includes a Lidar (26) or other device for sensing characteristics of the wake ...  
WO/2011/161692
The present invention provides pre-determined reactive power to asynchronous generator of a wind turbine, through a feedback controlled inverter by eliminating the usage of capacitor banks and is installable in remote places where grid (...  
WO/2011/160643
A wind turbine comprises a power converter connected between a generator in the wind turbine and a power grid. The power converter comprises a direct-current (DC) link and is adapted to supply a current to the power grid. A detection uni...  
WO/2011/159247
The invention relates to a device for generating electrical power, wherein the device (3) is adapted to be installed in connection with a building or a construction provided with at least one first gas source (7a, 7b, 7c, 7d) adapted to ...  
WO/2011/157862
The invention relates to a dual supply generator (2), the rotor of which is connected to the electric grid (3) by means of a back-to-back converter (4) and the stator of which is connected to the electric grid (3), characterized essentia...  
WO/2011/157220
An energy storage type wind-power generating system is disclosed. The system includes a wind-power machine (40), a compressor (41), at least one energy storage (42), a generator (43), a pressurized heat supply system (44), and a depressu...  
WO/2011/156949
A ducted-type wind generator comprises a windmill, a motor drive system and a ducted-type wind generating device. The windmill has a windmill shaft (1) and blades (2) mounted on the windmill shaft. The motor drive system is mounted on a ...  
WO/2011/157859
The invention relates to a recharging station for electric vehicles that uses solar and wind energy as a primary energy source. Photovoltaic solar modules (5) and electric wind generators (1) will be installed in the recharging station, ...  
WO/2011/153945
A wind-sail type generator includes a tower foundation (1), a tower base (2) provided on the tower foundation, a tower main shaft (5), a coupling (3), a generator (6) and multiple wind sails (8). The tower main shaft is provided in a set...  
WO/2011/155278
Disclosed is a fluid power generation device that can cause the energy of a fluid that a rotor receives to match the electrical energy that a generator outputs. The fluid power generation device is provided with a drive device (24) that ...  
WO/2011/151943
A wind-driven electricity generation device (1) is provided with a wind wheel (3) which is subjected to wind power and rotates in a specific rotational direction about a predetermined rotating shaft (2). The wind-driven electricity gener...  
WO/2011/153012
The present invention relates to a system and method for harvesting wind energy from air exhausted by other systems. Ventilation and heat exchange systems force air movement using fans. Exhaust airflow may also be the result of a combust...  
WO/2011/150932
The present invention relates to a control system and an associated method for controlling an amount of reactive power delivered from a wind power plant to an associated power supply grid, the control system comprising a wind power plant...  
WO/2011/147997
An energy extraction device and method for extracting energy from a fluctuating energy flow from a renewable energy source. A hydraulic pump is driven by a rotating shaft, driven in turn by a renewable energy source. A hydraulic motor dr...  
WO/2011/147996
An energy extraction device and method for extracting energy from a fluctuating energy flow from a renewable energy source. A hydraulic pump is driven by a rotating shaft, driven in turn by a renewable energy source. A hydraulic motor dr...  
WO/2011/148653
It is intended to provide a power generating apparatus of renewable energy type which can control the hydraulic transmission with high accuracy according to control signals. 1. The power generating apparatus of renewable energy type incl...  
WO/2011/148652
It is intended to provide a power generating apparatus of renewable energy type which obtains desired torque rapidly in response to changes of the renewable energy as well as a method of operation such an apparatus. The power generating ...  
WO/2011/147996
An energy extraction device and method for extracting energy from a fluctuating energy flow from a renewable energy source. A hydraulic pump is driven by a rotating shaft, driven in turn by a renewable energy source. A hydraulic motor dr...  
WO/2011/148654
In view of the problems above, it is an object of the present invention is to provide a power generating apparatus of renewable energy type which can achieve a desired output of the hydraulic motor and a stable power generation regardles...  
WO/2011/148652
It is intended to provide a power generating apparatus of renewable energy type which obtains desired torque rapidly in response to changes of the renewable energy as well as a method of operation such an apparatus. The power generating ...  
WO/2011/147939
The invention relates to a device for generating electric energy by means of wind power and/or water power. The device consists of at least one impeller (45), along the circumference of which a plurality of vanes (2) are disposed, with w...  
WO/2011/147997
An energy extraction device and method for extracting energy from a fluctuating energy flow from a renewable energy source. A hydraulic pump is driven by a rotating shaft, driven in turn by a renewable energy source. A hydraulic motor dr...  
WO/2011/148653
It is intended to provide a power generating apparatus of renewable energy type which can control the hydraulic transmission with high accuracy according to control signals. 1. The power generating apparatus of renewable energy type incl...  
WO/2011/146322
This document describes various techniques for powering a computer data center using a wind-powered generator. The computer data center may include network connected servers that are electrically connected to, and powered by, the wind-po...  
WO/2011/141520
The invention relates to a system for the excitation of an asynchronous generator that can be connected to a turbine for generating electric power, in which the turbine is coupled to the rotor (13) which rotates in a stator(14) of the ge...  
WO/2011/141034
The invention is an integrated system for extraction of water from air by wind power. The system consists of the following units: I. Wind driven mechanical and electrical power generation unit : • Capacity 112 KW at the rated wind spee...  
WO/2011/141520
The invention relates to a system for the excitation of an asynchronous generator that can be connected to a turbine for generating electric power, in which the turbine is coupled to the rotor (13) which rotates in a stator(14) of the ge...  
WO/2011/141511
The invention relates to an electric machine, in particular a generator or motor, e.g., a generator for a wind turbine, with a disk-type design, comprising a machine housing and a stator which is fixed to the machine housing and which is...  
WO/2011/142822
A non-fuel combusting air turbine assembly suitable as an auxiliary or primary power propulsion system for a vehicle. The system includes an air turbine engine powered by a compressor mechanism to increase the potential energy that can b...  
WO/2011/141034
The invention is an integrated system for extraction of water from air by wind power. The system consists of the following units: I. Wind driven mechanical and electrical power generation unit : • Capacity 112 KW at the rated wind spee...  
WO/2011/142653
The invention relates to a rotating machine for interaction with a fluid medium, comprising a rotor with one or more blades with which energy is extracted from or relinquished to the medium. The blade extends helically or spirally along ...  
WO/2011/138659
Energy used to create a fluid flow through a passageway, e.g., a municipal water system, is partially recovered downstream, e.g., at a residential location. An example energy system includes a primary passageway receiving a first fluid f...  
WO/2011/138824
Provided is a sea-borne wind power generation apparatus which is compatible with an eccentrically-located stress, using a simple and economical structure, and can maintain the reliability of the strength. A sea-borne wind power generatio...  
WO/2011/139171
The invention relates to a hydro/aero power plant that has at least two water upper tanks (1) connected through a downcomer conduit(5) to a water turbine (6) coupled with a power generating device (7). In the bottom part of the upper tan...  
WO/2011/137598
A wind power generation device comprises a generator (10), a rotating shaft (20) connected to the generator rotatably, multiple blade sets (30) which are disposed on the rotating shaft respectively, and multiple stop members (50) which a...  
WO/2011/134054
Disclosed is a hybrid wind-solar energy device comprising: a) a wind-capture assembly comprising: i) one or more wind sails evenly distributed circumferentially around a central axis thereof; and ii) a solar-energy capture means on an ou...  
WO/2011/135110
The invention relates to a system that is essentially comprised of a hierarchic configuration of independently operated electrolysis units (5) the power levels of which descend in such a way that, for any unit in the system, the sum of t...  
WO/2011/131803
The invention relates to a three-phase alternating current generator which is provided with an exciter assembly solidly connected to two independent energy assemblies and which is intended for turbines, such as wind or water turbines, wh...  
WO/2011/132124
A wind generator (4) of compressed air, comprises a rotor (5) comprising at least one wind blade (8), joined at one end to a rotation shaft (12) and suitable to be driven so as to rotate under the influence of a flow of air (16). At leas...  
WO/2011/127573
The present invention pertains to methods, systems and apparatus for providing a low complexity, low capital and low operating cost means of purifying water and alternately or simultaneously generating electrical power from a variety of ...  
WO/2011/129859
Various embodiments of a wind turbine are disclosed having a plurality of pivotable slats disposed about a rotor coupled to one or more blades. Each of the plurality of slats can be pivoted such that the open slats on a windward side red...  
WO/2011/127749
A method for regulating power of a direct-drive permanent-magnet synchronous wind power generator set involves the following steps: A. acquiring the actual speed n of the generator; B. executing step C when n is less than the rated speed...  
WO/2011/129859
Various embodiments of a wind turbine are disclosed having a plurality of pivotable slats disposed about a rotor coupled to one or more blades. Each of the plurality of slats can be pivoted such that the open slats on a windward side red...  

Matches 551 - 600 out of 3,647