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Matches 701 - 750 out of 3,627

Document Document Title
WO/2011/037696
A generator drive apparatus includes: a rotor shaft having a generally annular open end; a gear unit including a stationary member and a plurality of intermeshed gears, the gear unit disposed at least partially within the open end and dr...  
WO/2011/034056
Provided is a wind power generation device that can use a general-purpose inverter. A constant-voltage-mode inverter (30) is used. When a wind-power generator (2) is generating power, switching circuits (40-1 to 40-3) are turned on and o...  
WO/2011/034268
The present invention relates to a smart ship, in particular to a ship which can minimize air resistance generated by crosswinds, and which generate electricity by harnessing crosswinds to be used as energy to propel the ship or for inte...  
WO/2011/029446
A windmill driven energy converting device (2) comprising a number of wind blades (12) attached to a shaft (6). In one embodiment of the invention the shaft (6) is connected to a rotor (22) with permanent magnets, which rotor (22) is arr...  
WO/2011/029445
A windmill driven energy converting device (2) comprising a number of wind blades (12) attached to a shaft (6). In one embodiment of the invention the shaft (6) is connected to a rotor (22) with permanent magnets, which rotor (22) is arr...  
WO/2011/031165
A wind turbine comprising an integrated and segmented permanent magnet generator without the traditional end covers with bearings and shaft making it possible to manufacture and transport generator segments consisting of both generator s...  
WO/2011/029215
A horizontal-shaft fan-blade structure includes a shaft pipe (10), a circular ring (21) provided concentrically outside the shaft pipe (10), and a plural of blades (30). A plural of inner pulling holes (111) are provided equidistantly at...  
WO/2011/026256
A system and method for high altitude wind power generation is provided. The system comprises an electrical field base configuration composed of an inner annular structure girder (8) and an outer annular structure girder (7), which are c...  
WO/2011/027069
The present invention relates to a miniature hydroelectric power plant including a storage tank (1) and a penstock (2) for the flow of the water toward a recovery tank (3), a turbine (4) connected to a power generator (5) being arranged ...  
WO/2011/028502
A skin structure has a skin and a power generation system attached to the skin. The power generation system has a turbine, one or more tubes fluidly coupled to the turbine, and a generator configured to generate electrical power in respo...  
WO/2011/028502
A skin structure has a skin and a power generation system attached to the skin. The power generation system has a turbine, one or more tubes fluidly coupled to the turbine, and a generator configured to generate electrical power in respo...  
WO/2011/026250
The invention relates to a generator system comprising a mains transformer (1), a mains circuit breaker (2), a generator (4) with a stator winding (4.1 ) and rotor winding (4.2), a converter (7) with a DC-link (7.3), a mains inductor (9)...  
WO/2011/027427
A wind driven generator provided with a drive train having a reduced axial length and reduced in weight and cost. A wind driven generator for generating electric power by driving a generator which is connected through a drive train to a ...  
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/2011/025343
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/2011/023637
The present invention relates to a control system (9) for a wind turbine, comprising an electrical device that is arranged for being used during normal operation of a wind turbine and a power source (92) that is arranged to be used as an...  
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...  

Matches 701 - 750 out of 3,627