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Patent Searching and Data


Matches 401 - 450 out of 3,617

Document Document Title
WO/2012/088622
A wind-solar combined generating set comprises a driving turnplate (1) and a shell (2) arranged on the driving turnplate. A cylinder type wind pipe (3) is fixedly arranged in the shell, and the central axis of the wind pipe is provided w...  
WO/2012/089699
The invention relates to a method for operating a wind farm and to a wind farm. When a wind farm (1) and the wind energy installations (10) involve target values for the reactive power being prescribed by a farm regulatory device (50), t...  
WO/2012/082430
A power converter control system (324) having a phase tracker (404) that is designed and configured to estimate the phase of the voltage on the power network (208) that will be on the network when network recovers from a fault on the net...  
WO/2012/079555
The invention relates to a solar updraft power plant (01) and to a method for operating the solar updraft power plant (01). The solar updraft power plant (01) has a tower shaft (02) having a shaft base (05) at the bottom end of the tower...  
WO/2012/081926
The present invention relates to a long-endurance airplane using wind power energy. The objective of the present invention is to provide a long-endurance airplane using wind power energy as a power source. The long-endurance airplane usi...  
WO/2012/081862
The present invention relates to a power generating apparatus using solar light and wind power, and the objective of the present invention is to drive the power generating apparatus by the driving force obtained by increasing the natural...  
WO/2012/081926
The present invention relates to a long-endurance airplane using wind power energy. The objective of the present invention is to provide a long-endurance airplane using wind power energy as a power source. The long-endurance airplane usi...  
WO/2012/081862
The present invention relates to a power generating apparatus using solar light and wind power, and the objective of the present invention is to drive the power generating apparatus by the driving force obtained by increasing the natural...  
WO/2012/077861
The present invention relates to a wind power generator which can be installed in an urban area. The wind power generator is installed in an urban area where there is no strong wind, and generates power to be consumed by buildings in the...  
WO/2012/076839
A controllable Omnidirectional wind speed accelerator for increasing the power output from any wind turbine consisting of: a number of radial vertical fins and sloping vanes surrounding a vertically mounted wind turbine, which as a mouth...  
WO/2012/077009
The invention provides air wind and streaming water energy use. One application provides wind energy use for water harvesting from natural humid air. The method is based on changing thermodynamic state properties of ambient airborne wind...  
WO/2012/076851
A wave energy converter comprising: at least one float for immersion in waves and connected to an armature of a generator; a controller for operating the generator in a generation mode for converting wave energy into electricity or a dam...  
WO/2012/075566
A turbine assembly (1) for generating electricity from kinetic energy of a moving fluid flow (3). The turbine assembly (1) includes an elongated casing (5) defining a fluid channel (7) through which the fluid flow (5) is allowed to trave...  
WO/2012/077009
The invention provides air wind and streaming water energy use. One application provides wind energy use for water harvesting from natural humid air. The method is based on changing thermodynamic state properties of ambient airborne wind...  
WO/2012/075944
Provided is a system utilizing wind power, water power, wave power, ocean current power, etc. as natural power to complement electrical power, so as to provide driving forces for doing work. The system comprises a rotating wheel, a trans...  
WO/2012/076014
Method, power plant,and computer program product for use in controlling power output by a power plant. The power plant includes a wind farm with a plurality of wind turbines,a grid power converter(such as one or more HVDC links), a senso...  
WO/2012/076839
A controllable Omnidirectional wind speed accelerator for increasing the power output from any wind turbine consisting of: a number of radial vertical fins and sloping vanes surrounding a vertically mounted wind turbine, which as a mouth...  
WO/2012/073281
An object of the invention is to provide a wind turbine generator or a tidal current generator which is equipped with a hydraulic transmission and achieves a superior power generation efficiency, and a operation method thereof. The wind ...  
WO/2012/072412
Arrangement and method for testing an electric power generation system It is described an arrangement for testing an electric power generation system, in particular a wind turbine system, connected to a utility grid operating at a grid v...  
WO/2012/073504
It is intended to provide a power generating apparatus of renewable energy type and an operation method of the power generating apparatus, which can achieve both variable speed operation and grid connection without a frequency converting...  
WO/2012/073390
A renewable energy extraction device, such as a wind turbine generator includes a turbine driving a hydraulic pump and a variable displacement hydraulic motor driving an electrical generator connected directly to an electricity grid. The...  
WO/2012/073277
An object of the present invention is to provide a wind turbine generator and a tidal current generator equipped with a hydraulic transmission with a combination of a hydraulic pump and a hydraulic motor and which has a superior producti...  
WO/2012/073505
It is intended to provide a power generating apparatus of renewable energy type which is capable of reducing the concentrated load on the main shaft bearing and the pump housing caused by the bending of the rotating shaft and the load on...  
WO/2012/073279
An object of the present invention is to provide a wind turbine generator system and an operation control method thereof, which has a superior operation efficiency and stability at a low wind speed and during the occurrence of a gust and...  
WO/2012/073504
It is intended to provide a power generating apparatus of renewable energy type and an operation method of the power generating apparatus, which can achieve both variable speed operation and grid connection without a frequency converting...  
WO/2012/073280
An object of the present invention is to provide a hydraulic pump structure which improves the ease of mounting the hydraulic pump on the main shaft, and a method of mounting the hydraulic pump which can be performed in a simplified mann...  
WO/2012/073502
The invention provides a method of operating an energy extraction device such as a wind turbine comprising a hydraulic pump driven by and applying torque to a rotating shaft, a hydraulic motor driving a load, a high pressure manifold in ...  
WO/2012/074143
The object of the present invention is to provide a small-scale hybrid electricity generating system which does not use a storage battery. A technical configuration for achieving the object comprises: a diesel generator (20) which is use...  
WO/2012/073278
An object of the present invention is to provide a wind turbine generator and an operation control method thereof, which takes measures against issues such as noise, bird strike and a friction heat of a bearing shaft. The wind turbine ge...  
WO/2012/073389
The invention provides a method of operating an energy extraction device such as a wind turbine comprising a hydraulic pump driven by and applying torque to a rotating shaft, a hydraulic motor driving a load, a high pressure manifold in ...  
WO/2012/073277
An object of the present invention is to provide a wind turbine generator and a tidal current generator equipped with a hydraulic transmission with a combination of a hydraulic pump and a hydraulic motor and which has a superior producti...  
WO/2012/070115
The purpose of the present invention is to improve the quality of an electric power generated by means of wind power generation by a more suitable means than conventional means. Provided is a wind power generation device comprising: a wi...  
WO/2012/070141
The objective of the present invention is to provide an output control method and an output control device for a wind-powered electricity generating facility to enable an overload of an electricity storage device to be prevented and to e...  
WO/2012/065992
The invention relates to a wind turbine having a generator (19) for generating electrical energy and a transformer (20). The transformer (20) is designed to receive electrical energy from the generator (19) on a secondary side (29) and t...  
WO/2012/066789
Provided are a ship for installing offshore wind turbines and a method for installing offshore wind turbines using the ship, whereby wind turbines can be installed by simple operations when pre-assembled wind turbines are transported and...  
WO/2012/066790
Provided are a ship for installing offshore wind turbines and a method for installing offshore wind turbines using the ship, whereby the hull can be maintained in a fixed position in a short amount of time and without significant restrai...  
WO/2012/066517
Plant for the production of energy comprising a machine for the exploitation of a main energy source and at least one machine for the exploitation of a source of mechanical power auxiliary characterized in that said machine for the explo...  
WO/2012/066517
Plant for the production of energy comprising a machine for the exploitation of a main energy source and at least one machine for the exploitation of a source of mechanical power auxiliary characterized in that said machine for the explo...  
WO/2012/062327
A method for operating a power generation system coupled to a power grid during a grid unbalance event, a method for determining an injection current to be supplied into a power grid by a power generation system, and a method for address...  
WO/2012/063576
The present invention provides a device for controlling a group of wind power generators which minimizes variations in power outputted from a wind farm to a power system, and maintains a constant output. The present invention is provided...  
WO/2012/062323
A method for operating a wind turbine and a system for operating a wind turbine are provided. The wind turbine includes a grid side converter and the grid side converter is coupled to a grid via a power line. The method includes determin...  
WO/2012/062323
A method for operating a wind turbine and a system for operating a wind turbine are provided. The wind turbine includes a grid side converter and the grid side converter is coupled to a grid via a power line. The method includes determin...  
WO/2012/059463
The invention relates to a wind energy installation having a synchronous generator which comprises a generator stator and a generator rotor for generating electrical energy. The wind energy installation further comprises a liquid cooling...  
WO/2012/060112
Provided are: a ship for installing an offshore wind turbine, capable of, when transporting an assembled wind turbine and installing the wind turbine in an offshore installation area, installing the wind turbine by simple work; and a met...  
WO/2012/060800
The invention relates to power engineering. The wind power plant comprises the following, secured on supports: an inlet device having channels that are separated by lateral members, a continuous lower surface and an upper surface with a ...  
WO/2012/060108
Provided is a floating wind turbine capable of damping rolling and yawing of a nacelle by the gyro effect. The rolling and yawing causes an adverse effect on power generation efficiency of the wind turbine and equipment durability thereo...  
WO/2012/060108
Provided is a floating wind turbine capable of damping rolling and yawing of a nacelle by the gyro effect. The rolling and yawing causes an adverse effect on power generation efficiency of the wind turbine and equipment durability thereo...  
WO/2012/059463
The invention relates to a wind energy installation having a synchronous generator which comprises a generator stator and a generator rotor for generating electrical energy. The wind energy installation further comprises a liquid cooling...  
WO/2012/056482
A plant for the production of electrical energy includes electric generators fed by renewable sources: photovoltaic, eolic, and wave motion. A long corridor with a roof of solar panels leaves from the mainland and extends over a wharf em...  
WO/2012/056593
The purpose of the present invention is to prevent a wind turbine generator from paralleling off by change of wind conditions even when the wind turbine generator is operated to limit power output. A plurality of wind turbine generators ...  

Matches 401 - 450 out of 3,617