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Patent Searching and Data


Matches 701 - 750 out of 3,606

Document Document Title
WO/2011/025343
The present invention relates to a balloon wind gathering type power plant, which comprises: a levitation balloon having a penetration section formed with a wide inlet and a narrow outlet; a wind turbine mounted at an upper end of the pe...  
WO/2011/022837
A hydro-pneumatic system generates power from wind energy transferred to a hydraulic flow, which in turn enables production of electricity by actuating a hydraulic motor/turbine. The wind hydro-generator works efficiently and at higher c...  
WO/2011/022836
A wind turbine, referred to as a drag rotor is provided that converts wind energy into mechanical energy. Twin drag rotors are described with a common central deflector which minimizes potential negative drag, A drag rotor may be exploit...  
WO/2011/022024
A wind turbine power management system and method includes one or more wind turbines at a wind farm and one or more laser sources used to measure wind conditions remote from the wind farm. The laser sources may be collocated with the win...  
WO/2011/018811
An electrical alternator (13) of the type for wind power generators (10) with blades whose direction of overall development follows substantially the direction of development of the axis of rotation (X) of the generator/alternator, chara...  
WO/2011/019739
An integrated hybrid energy generating system capable of converting wind and solar energy for use with an electrical generator. During the daytime, the system concurrently derives energy from both wind and solar energy sources. During th...  
WO/2011/018055
A highly-compressed-air power system makes use of renewable clean energy to generate clean power supplied for production and processing equipments (24) and new technology cars (10). It comprises wind power equipments (1) or solar power e...  
WO/2011/019321
A variable speed wind turbine is provided. The wind turbine comprises a generator, a power converter for converting at least a portion of electrical power generated by the generator, an energy management arrangement coupled to the power ...  
WO/2011/018542
The invention relates to a method for controlling a back-to-back converter in the event of disturbances in the network limiting the capacity of the converter on the side of the network to control the voltage of the DC stage. In this case...  
WO/2011/018527
The present invention relates to an asynchronous generator system for a wind turbine, and a wind turbine having such a system, and the method for operating and starting up such a wind turbine. The asynchronous generator system is thereby...  
WO/2011/019750
A method for operating an electric grid system, comprising: generating electrical power during optimum production periods using a primary source of power for the electric grid system; usign a portion of the electrical power generated dur...  
WO/2011/018747
This invention presents a New Technology with a total approach to solve problems posed by Climate Change and Air Pollution. An energy machine harnesses clean renewable energy from the wind, moving water and the sun as an alternative/repl...  
WO/2011/018747
This invention presents a New Technology with a total approach to solve problems posed by Climate Change and Air Pollution. An energy machine harnesses clean renewable energy from the wind, moving water and the sun as an alternative/repl...  
WO/2011/016278
Even when the frequency of an electric power system suddenly varies, the electric power system is stable. Disclosed is a wind-power generation device (1) comprised of a rotor (7) rotated by wind power, a power generator (5) driven by the...  
WO/2011/015677
Hydraulic pumping system of variable flow per revolution, comprising a series of hydraulic cylinders (1), each of which features two tubes arranged in sliding coupling with a spring biased to extend the sliding assembly having attached s...  
WO/2011/015034
A wind-heating heat supplying system includes a wind energy system, a heat generating device, an auxiliary heating system, a heat storage system and a control system. The wind energy system transforms wind energy into mechanical energy, ...  
WO/2011/011856
An energy recovery system for a vehicle comprises an electrical generator provided within a housing. The housing is rotatable relative to the vehicle about a housing axis. The energy recovery system further comprises a wind turbine compr...  
WO/2011/014147
A vertical axis wind system for generation and distribution of electrical energy to a utility grid is provided. The system (10) includes a power pole electricity system supported by a plurality of ground-based upright support members (12...  
WO/2011/011011
A system includes a turbine positioned on a building structure, wherein the turbine creates a low pressure area in the building structure. A first air flow path is positioned between the turbine and an interior of the building structure,...  
WO/2011/011682
A drive system for a wind turbine having one or more blades that use wind energy to generate rotary mechanical energy to rotate a drive shaft, a generator that uses rotation of an input shaft to generate electricity, and a drive system t...  
WO/2011/011515
A wind turbine system is provided to generate electricity from wind energy. The system locates generator at a bottom portion of the tower. The system rotates either the entire tower, or the nacelle and the generator simultaneously. A fle...  
WO/2011/009958
The present invention relates to a method for operating a wind turbine connected to a power grid for generating electric energy when a change in the grid voltage occurs, and to a wind turbine for carrying out the method. According to the...  
WO/2011/011682
A drive system for a wind turbine having one or more blades that use wind energy to generate rotary mechanical energy to rotate a drive shaft, a generator that uses rotation of an input shaft to generate electricity, and a drive system t...  
WO/2011/008153
Offshore energy storage device, storing energy as rotational kinetic energy, comprising an elongate, upright central part, which is rotatable around its longitudinal axis, floating means arranged to keep it upright and floating, a flywhe...  
WO/2011/006284
A vertical wind power generator comprises a tower column (1), at least one generator unit (2), at least two blades (3), an excitation control device (16), a rotation rectifying device (161), a bidirectional frequency converter (15), flan...  
WO/2011/006436
A reinforced type wind-driven generator is provided, which fundamentally solves the problems of poor mechanical strength, great execution difficulty, poor practicability and the like existing in the existing large-sized wind-driven gener...  
WO/2011/008325
An energy storage and recovery system employs air compressed utilizing power from an operating wind turbine. This compressed air is stored within one or more chambers of a structure supporting the wind turbine above the ground. By functi...  
WO/2011/008185
The invention relates to a wind turbine and pertains to the field of equipment for wind power production. The essence of the invention is that the wind turbine comprises a fixed support, a rotating head and a wind wheel with generators a...  
WO/2011/007274
Attaching wind turbines to towers built for many uses is highly advantageous. The ways of doing that in novel uses and ways are presented.  
WO/2011/008637
A wind farm (10) may include a plurality of variable speed wind turbines (12, 14, 16). A centralized controller (50) may be configured to selectively adjust a respective electrical output power from each of the wind turbines at least dur...  
WO/2011/008644
A water tower includes a reservoir (20) configured to store fluid. The reservoir includes a bottom surface (21). The water tower also includes a recirculating passageway (60) fluidly connected to the reservoir. The recirculating passagew...  
WO/2011/008325
An energy storage and recovery system employs air compressed utilizing power from an operating wind turbine. This compressed air is stored within one or more chambers of a structure supporting the wind turbine above the ground. By functi...  
WO/2011/005036
The present invention relates to a wind turbine device which can reutilize wind power to be driven in a location with a small amount of wind. The wind turbine device according to the present invention comprises: a housing into which wind...  
WO/2011/003405
The invention relates to a hydrostatic drive for wind turbines, which gives wind turbines power plant characteristics. For this purpose, the connection between the rotor and the generator is established by a total volumetric flow conveye...  
WO/2011/005036
The present invention relates to a wind turbine device which can reutilize wind power to be driven in a location with a small amount of wind. The wind turbine device according to the present invention comprises: a housing into which wind...  
WO/2011/003405
The invention relates to a hydrostatic drive for wind turbines, which gives wind turbines power plant characteristics. For this purpose, the connection between the rotor and the generator is established by a total volumetric flow conveye...  
WO/2011/000008
A differential gearing for an energy generation plant, in particular for a wind power plant, has three drive inputs and outputs, wherein a first drive input is connected to a driveshaft of the energy generation plant, a drive output is c...  
WO/2011/000531
A variable speed wind turbine is arranged to provide additional electrical power to counteract non-periodic disturbances in an electrical grid. A controller monitors events indicating a need to increase the electrical output power from t...  
WO/2011/000825
The invention relates to a method of calculating an electrical output of a wind power plant comprising a plurality of wind turbines. Instead of calculating the electrical output of the wind power plant as a simple aggregation of the outp...  
WO/2011/001375
A system for generating electrical and thermal energy with photovoltaic cogeneration is described that generates electrical and thermal energy from wind energy and solar energy. The invention consists of a compact, easily-transported mod...  
WO/2011/000207
An offshore unmanned automatically sinking and rising anchored wave, wind and solar energy integrated power generating fleet is constructed by 30 (more or less) small flat-bottomed offshore unmanned automatically sinking and rising ancho...  
WO/2011/000453
The invention relates to a wind power plant (1) for converting wind power of a wind field into electrical energy, comprising a plurality of wind power devices (3nm), and to a method for controlling the wind power plant (1). According to ...  
WO/2011/000531
A variable speed wind turbine is arranged to provide additional electrical power to counteract non-periodic disturbances in an electrical grid. A controller monitors events indicating a need to increase the electrical output power from t...  
WO/2010/148579
A wind-power generator driven by natural or regenerated wind, including a vertical wind tower (1), a generator (2) arranged in the middle part of the vertical wind tower (1), and an upper and a lower generator-driven apparatuses each con...  
WO/2010/148578
A wind wheel power machine utilizing aerodynamic regenerated wind energy to generate electricity includes a wind wheel power machine shell (1), a main power regenerated wind energy system (3), a constant-speed power regenerated wind ener...  
WO/2010/151237
Energy wheel' working with the wind, transfers the wind energy to pressure energy and collects air at the desired pressure or store water at the desired height.  
WO/2010/151237
Energy wheel' working with the wind, transfers the wind energy to pressure energy and collects air at the desired pressure or store water at the desired height.  
WO/2010/151237
Energy wheel' working with the wind, transfers the wind energy to pressure energy and collects air at the desired pressure or store water at the desired height.  
WO/2010/148933
An individual pitch control method for large wind generating set, including a collective pitch control process and a differential pitch control process. The collective pitch control process involves obtaining the desired output collectiv...  
WO/2010/148563
A wind and solar power generating mechanism includes a rotating device (11), a base (16), an air guiding plate (17), and a blade body (20). The blade body (20) has a central shaft rod (21) and several assembled blades (22) centering on t...  

Matches 701 - 750 out of 3,606