|
Match
|
Document |
Document Title |
|
|
6552440 |
Automatic turbogenerator restarting method and system
A method and system to automatically restart a permanent magnet turbogenerator/motor when a fatal fault is detected. The automatic restart logic includes time constraints and limitations on the...
|
|
|
6545373 |
System and method for providing ballast loading for a turbo-generator
A ballast load control system and method is presented that regulates the output electrical power supplied by a turbo-generator such that appropriate turbine loading may be achieved. Such enables...
|
|
|
6512305 |
Method and apparatus having a turbine working in different modes for providing an uninterruptible supply of electric power to a critical load
An uninterruptible power supply (UPS) system supplies power to computers, medical apparatus or other critical loads when primary power supply falters. The UPS system includes an electrical machine...
|
|
|
6495929 |
Turbogenerator power control system
A power control system for a turbogenerator which provides electrical power to one or more pump-jack oil wells. When the induction motor of a pump-jack oil well is powered by three-phase utility...
|
|
|
6489692 |
Method and apparatus for controlling rotation of magnetic rotor
A method and apparatus for starting a turbogenerator having a sensorless magnetic rotor supported for rotation in a stator by a compliant foil fluid film bearing, the method comprising energizing...
|
|
|
6490506 |
Method and apparatus for monitoring hydroelectric facility maintenance and environmental costs
A system for monitoring maintenance information in a hydroelectric power generation facility comprises sensors coupled to a controller. The sensors detect actual levels of operating parameters for...
|
|
|
6479907 |
Plant for generating electric power and a method for operation of such a plant
In a plant for generating electric power through at least two generators separately driven by wind power and feeding an alternating voltage to an alternating voltage line in common, a converter is...
|
|
|
6452287 |
Windmill and method to use same to generate electricity, pumped air or rotational shaft energy
An improved windmill and a method for generating electricity, pumped air or rotational shaft energy are provided. A vertical mast rotatably mounts one end of a substantially horizontal and upward...
|
|
|
6441508 |
Dual type multiple stage, hydraulic turbine power generator including reaction type turbine with adjustable blades
A hydraulic turbine power generator mounted on a single shaft wherein the hydraulic turbine means includes a plurality of reaction type turbine stages arranged to be in combination, rotatably...
|
|
|
6437535 |
Starting system and method for a microturbine power generation unit
A power electrical system is disclosed for a microturbine power generator. The invention permits the microturbine to be started using an external DC power source. The DC voltage is converted to a...
|
|
|
6420794 |
Hydropower conversion system
A hydropower conversion system for circulation of water between a delivering reservoir ( 101 or 201 ) and a receiving reservoir ( 102 or 202 ) through hydro-turbines ( 112 or 212 ), pumps (...
|
|
|
6408625 |
Operating techniques for internal combustion engines
An electric power generation system is disclosed, which includes a back-up electric power generator driven by a four-cycle internal combustion engine. The engine includes a plurality of...
|
|
|
6407466 |
Electric motor or generator
A device such as an electric motor, an electric generator, or a regenerative electric motor includes a rotor arrangement and a stator arrangement. The stator arrangement has a dielectric...
|
|
|
6392313 |
Microturbomachinery
The invention overcomes limitations of conventional power and thermodynamic sources by with micromachinery components that enable production of significant power and efficient operation of...
|
|
|
6376926 |
Power generation system
A power generation system. The system includes a magnetically-actuated turbine having a rotating shaft and a generator connected to the turbine. The generator includes a rotor connected to the...
|
|
|
6355987 |
Power converter and control for microturbine
An arrangement and method for controlling a microturbine. Back-to-back inverters are provided such that a second inverter provides power to the DC bus prior to achieving self-sustaining operation...
|
|
|
6326703 |
Power apparatus
Ethanol fuel is fed into hot burn chamber of twin turbine, initially to burn in the presence of compressed air. After turbine in hot burn chamber is started, water is electrolyzed by means of DC...
|
|
|
6313544 |
Self-contained energy center for producing mechanical, electrical, and heat energy
Various forms of energy, such as mechanical, electrical, and/or heat energy are produced by an energy conversion mechanism which includes a spool, the spool including a shaft on which a compressor...
|
|
|
6307278 |
Microturbine power generating system
A rotating group for a microturbine power generation system includes an electrical generator rotor, a turbine and a compressor intermediate the generator and the turbine. The turbine, compressor...
|
|
|
6285089 |
Induction static start for a turbine generator with a brushless exciter and associated methods
In an electric power generation system (20) which includes a turbine (22) and a turbine generator (25) connected to the turbine (22) along a common shaft (21), an alternating current (AC) induction...
|
|
|
6281595 |
Microturbine based power generation system and method
A power electrical system is disclosed to connect a microturbine and an electrical machine to electrical power sources and a load. The invention permits the microturbine to be started using an...
|
|
|
6281601 |
Turbogenerator power control system and method
The power meter, required in most utility grid connectged applications to measure load consumption, is utilized to provide a feedback to an associated turbogenerator power controller, providing a...
|
|
|
6274945 |
Combustion control method and system
A multi-injector combustion system in which a brake resistor is utilized to provide a minimum load for the combustor system during idle or low power operation of the permanent magnet...
|
|
|
6270309 |
Low drag ducted Ram air turbine generator and cooling system
A low drag ducted ram air turbine generator and cooling system is provided. The ducted ram air turbine generator and cooling system has reduced drag while extracting dynamic energy from the air...
|
|
|
6259166 |
Generator with double driving machinery
A generator with double driving machinery. On one side of the generator, a gas turbine is coupled directly with a generator shaft. On the other side of the generator, opposite from the gas turbine,...
|
|
|
6255743 |
Method and apparatus for providing an uninterruptible supply of electric power to a critical load
An uninterruptible power supply (UPS) system supplies electric power to computers, medical apparatus or other critical loads when a primary power supply fails. The UPS system includes an electrical...
|
|
|
6249057 |
Hydrodynamic energy conversion apparatus
An energy conversion apparatus for converting compressed gas to shaft power includes a housing divided between first and second chambers in fluid communication with each other and adapted to...
|
|
|
6242819 |
Gas expansion turbine for low power output
In a gas supply pipe section, an asynchronous motor generator unit is provided in a pipe section consisting of a single supply pipe upstream (at the high pressure side) and adjacent to a separating...
|
|
|
6239505 |
Hydropowered turbine system
A hydropowered turbine system has a hollow base member with an inlet fluid conduit at its upper end in contact with retained water under pressure. A flared fluid outlet is located above the inlet...
|
|
|
6239504 |
Turbine guide and a method for regulating a load cycle process of a turbine
A turbine guide regulates a load cycle process in a turbine. The turbine guide has a limiting unit, to which a variable for a variable pre-setting of a time duration t v of the load cycle process...
|
|
|
6232679 |
Electricity generator and heat source for vehicles
A combined heat and electricity generating unit is suitable for use in class 8 trucks and the like. When it is operating it provides heat for keeping the engine and cabin warm and electricity for...
|
|
|
6177735 |
Integrated rotor-generator
A system and method for interconverting moving fluid power and electrical power involves an aerodynamic rotor integrated with an electric rotor without an interconnecting rotating shaft.
|
|
|
6175210 |
Prime mover for operating an electric motor
A prime mover such as a microturbine generator is operated to generate dc power, and an inverter is controlled to convert the dc power to ac power. The ac power is supplied to an electric motor....
|
|
|
6169334 |
Command and control system and method for multiple turbogenerators
A command and control system and method for multiple turbogenerators in a grid parallel system includes a master controller to start, sequence, coordinate power commands, and provide fault handling...
|
|
|
6169390 |
Flywheel-microturbine system
A power supply system for providing long and short term backup power to a load comprises a microturbine system, a flywheel system, and a power electronics module. The microturbine system includes a...
|
|
|
6163078 |
Adjustable speed gas turbine power generation apparatus and its operation method
An adjustable speed gas turbine power generation apparatus can maintain a rated output of the gas turbine generation apparatus irrespective of ambient temperature change. For this purpose, the...
|
|
|
6153943 |
Power conditioning apparatus with energy conversion and storage
A method and apparatus for power conditioning and for storing electrical energy, fossil fuel energy, or both in the form of a compressed gas which may then be used in combination with a fossil fuel...
|
|
|
6147414 |
Dual-purpose converter/startup circuit for a microturbine power generating system
A microturbine power generation system includes an electric generator, a rectifier for rectifying an output of the electric generator, and an inverter for up-chopping an output of the rectifier....
|
|
|
6124646 |
Aircraft air conditioning system including electric generator for providing AC power having limited frequency range
An air conditioning system for an aircraft includes cascaded high and low pressure turbines, an electric generator that is driven at variable speeds by the low pressure turbine, and a fan that is...
|
|
|
6118187 |
Method for controlling an output of an electrical power plant
A method for controlling a power plant which delivers electrical power to an electrical grid. The grid has a grid frequency which fluctuates around a nominal frequency. A power output of the power...
|
|
|
6116853 |
Method and apparatus for checking the operating reliability of a turbine during load shedding
For checking the operating reliability of a turbine during load shedding, input values having simulated time profiles are fed to a regulating circuit regulating a turbine. The reaction of the...
|
|
|
6114773 |
Hydraulic turbine assembly
A new hydraulic turbine assembly for deriving extra energy out of a conventional hydroelectric power generating system by incorporating a second turbine generator at the inlet from the reservoir....
|
|
|
6093975 |
Turbogenerator/motor control with synchronous condenser
A turbogenerator/motor controller with a microprocessor-based control system having a synchronous condenser, line commutated inverter, and a battery coupled to the turbogenerator/motor controller....
|
|
|
6082094 |
Ventilation system for acoustic enclosures for combustion turbines and air breathing heat engines
A ventilating system for adjusting temperature within acoustic enclosures for combustion turbines and other engines. The ventilating system includes a duct in flow communication with an inlet...
|
|
|
6066898 |
Microturbine power generating system including variable-speed gas compressor
A microturbine power generating system includes a combustor and a gas compressor that provides a flow of natural gas to a combustor. The flow of natural gas is regulated by varying the speed of the...
|
|
|
6064122 |
Microturbine power of generating system including a battery source for supplying startup power
A microturbine power generating system includes a battery source for providing startup power. Dc power provided by the battery source is converted to three-phase ac power, and the three-phase ac...
|
|
|
6046509 |
Steam turbine-driven electric generator
A steam turbine-driven generator for generating electric power is comprised of an electric generator having a vertical shaft journalled for rotation between bearings contained in a generator...
|
|
|
6031294 |
Turbogenerator/motor controller with ancillary energy storage/discharge
A turbogenerator/motor controller with a microprocessor based inverter having multiple modes of operation with an energy storage and discharge system including an ancillary electric storage device,...
|
|
|
6028380 |
Arrangement in a bulb generator
|
|
|
6023135 |
Turbogenerator/motor control system
A turbogenerator/motor control system having a plurality of proportional integral control loops including a fuel command control loop and a current command control loop. The exhaust gas temperature...
|