Patents for H02P 9 - Arrangements for controlling electric generators for the purpose of obtaining a desired output (15,039)
08/2012
08/28/2012US8253393 Method and a controlling arrangement for controlling an AC generator
08/28/2012US8253266 Skyscraper with integrated wind turbines
08/28/2012US8253264 Orbiting drum wind turbine and method for the generation of electrical power from wind energy
08/28/2012US8253262 Automotive wind powered generator system
08/28/2012US8253260 Exhaust turbine generator system and method of controlling the same
08/28/2012US8251183 Electricity generating device by applying vehicle weight
08/28/2012CA2741594A1 Wind turbine generator and method of controlling the same
08/23/2012WO2012111128A1 Regeneration control system for vehicle
08/23/2012WO2012110979A1 Assembly operating in a variable regime
08/23/2012US20120211998 Cogeneration facility
08/23/2012US20120211986 Wind sensor system using blade signals
08/23/2012US20120211985 Method of controlling a wind energy system and wind speed sensor free wind energy system
08/23/2012US20120211984 Wind turbine generator system fault processing method and system
08/23/2012US20120211983 Method and system for operating an electromechanicalgenerator
08/23/2012US20120211982 Controller for wind turbine generator, wind turbine generator, and method of controlling wind turbine generator
08/23/2012US20120210944 Hydro-electric generation method and system with saltwater flume for aquaculture
08/23/2012DE102012201860A1 Verfahren zur Verlustleistungsreduktion bei der Spannungsklammerung von aktiven Gleichrichterschaltungen A method for power loss reduction in voltage clamping of active rectifier circuits
08/23/2012DE102011105430A1 Method for operating synchronous generator for producing electric power in electrical network for onboard power supply or emergency power supply of train, involves reducing current increment gradient when voltage falls below threshold value
08/23/2012DE102004003657B4 Stromrichterschaltungsanordnung und zugehöriges Ansteuerverfahren für Generatoren mit dynamisch veränderlicher Leistungsabgabe Converter circuit arrangement and associated method for driving generators with dynamically variable power output
08/23/2012CA2741389A1 Controller for wind turbine generator, wind turbine generator, and method of controlling wind turbine generator
08/22/2012EP2489120A2 Generating set preloader
08/22/2012EP2489119A1 Systems and methods for monitoring wind turbine operation
08/22/2012EP2319171B1 Direct power and stator flux vector control of a generator for wind energy conversion system
08/22/2012CN202395542U Multi-winding doubly salient generator and output conversion and control device
08/22/2012CN102647140A PCM (pulse-code modulation) control based automotive generator voltage regulation method and PCM control based automotive generator voltage regulator
08/22/2012CN102647139A Synchronous alternator comprising coil wound rotor and assembly operating converter variable regime
08/22/2012CN102647138A Rectifying voltage-stabilizing power supply device for underground turbine generator
08/22/2012CN102647137A Simulation method and device for current power generation power grid voltage
08/22/2012CN102646996A Power control system of double-fed set wind power plant
08/22/2012CN102646993A Low-voltage ride through (LVRT) system of wind generation set and method of the system
08/22/2012CN101951073B Small and medium size wind driven generator
08/22/2012CN101647191B Generator assembly
08/22/2012CN101567660B Motor control device and generator control device
08/21/2012US8249852 Condition monitoring of windturbines
08/21/2012US8249758 Centralized power conditioning
08/21/2012US8248038 Synchronous generator protection
08/21/2012US8247917 Storage battery output power control method for wind turbine generator
08/21/2012US8247915 Energy storage system utilizing compressed gas
08/21/2012US8247913 Method and system for operating a wind energy installation
08/21/2012US8246008 Lifting system
08/16/2012WO2012108333A1 Wind power generating device
08/16/2012WO2012087500A3 Switched reluctance generator initial rotor position estimation
08/16/2012WO2011119042A3 Variable electrical generator
08/16/2012US20120206712 Laser Wind Velocimeter With Multiple Radiation Sources
08/16/2012US20120205913 Wind turbine control methods for improving the production of energy
08/16/2012US20120205912 Wind-turbine-generator control apparatus, wind turbine generator system, and wind-turbine-generator control method
08/16/2012US20120205911 Method and system for controlling a dc link voltage of a power converter connecting an electric generator of a wind turbine with a power grid
08/16/2012DE102012002983A1 System und Verfahren zum Umwandeln von Wechselstromleistung in Gleichstromleistung unter Verwendung einer sensorlosen feldorientierten Regelung System and method for converting AC power into DC power using a sensorless field-oriented control
08/15/2012CN202385047U System for preventing vibration of power generator
08/15/2012CN202385046U Synchronous generator inversion type excitation system
08/15/2012CN202385045U Excitation overmodulation protector
08/15/2012CN102638213A Bidirectional buck-boost power converter
08/15/2012CN101976920B Double rotor engine for pure electric car and control method thereof
08/14/2012US8242753 Current limitation for a double-fed asynchronous machine
08/14/2012US8242620 Wind turbine generator system
08/14/2012US8242619 Coordinated control of power converter and pitch angle for wind turbine generation system
08/14/2012US8242617 Method and arrangement for damping of tower-oscillations
08/09/2012WO2012106331A1 Force balanced multivoltage winding configuration
08/09/2012WO2012104580A2 Electrical devices with improved fault current handling capabilities
08/09/2012WO2012103709A1 Method, device and system for speed control of generator set
08/09/2012US20120200087 Management System for Operating a Wind Energy Plant and Method Using the Management System
08/09/2012US20120200086 Method and system for controlling wind farm when wind speed varies abruptly
08/09/2012US20120200085 Wind energy generating system
08/08/2012EP2485388A1 Reduction of noise and vibrations of an electromechanical transducer by using a modified stator coil drive signal comprising harmonic components
08/08/2012EP2485385A2 Method and system for testing a mechanical brake of a wind rotor shaft of a wind turbine
08/08/2012EP2484005A2 Method for operating a d.c. generator
08/08/2012EP2484004A1 Method for protecting a motor vehicle generator from overheating
08/08/2012EP2484003A1 Electric motor and method for controlling the same
08/08/2012EP2297843B1 Separately excited electrical synchronous machine and method for operating a synchronous machine
08/08/2012CN202374210U Winding circuit structure for generator welder
08/08/2012CN102629762A Floating frequency difference regulation and variable rate load instruction modification-based primary frequency regulation method
08/08/2012CN101860044B Method for cooperatively controlling reactive voltage of wind farm
08/08/2012CN101176253B Method and apparatus for converting wind generated electricity to constant frequency electricity for a utility grid
08/07/2012US8239072 Wind power plant, wind power plant controller and method of controlling a wind power plant
08/07/2012US8239071 Method for controlling at least one adjustment mechanism of a wind turbine, a wind turbine and a wind park
08/07/2012US8237416 More electric engine with regulated permanent magnet machines
08/07/2012US8237303 Organic rankine cycle (ORC) turbo generator for prevention of penetration of working fluid
08/07/2012US8237302 Main circuit of electric power generating apparatus for dispersed power supply
08/07/2012US8237301 Power generation stabilization control systems and methods
08/02/2012WO2012100578A1 Alternator and electricity generation method thereof
08/02/2012US20120194142 Power generating device and braking device
08/02/2012US20120193918 Wind turbine control methods and systems
08/02/2012US20120193917 Pitch control system and method for wind turbine
08/02/2012US20120193916 Wind turbine generator as well as parameter acquisition system and method thereof
08/02/2012US20120193915 Reactive voltage control system and method for wind power field of double-fed wind power-generating unit
08/02/2012US20120193914 Power capture system and method
08/01/2012EP2482445A2 Independent, redundant overvoltage protection for a generator
08/01/2012EP2482444A2 Hybrid inverter generator
08/01/2012EP2482443A1 Internal combustion engine system and ship
08/01/2012EP1625654B1 Sprinkler activated generator
08/01/2012CN202363911U Small-size wind generating set
08/01/2012CN102625976A Method for operating a wind turbine and wind turbine suited therefor
08/01/2012CN102624313A Excitation capacitance optimization method of wind power generation system of stator duplex-winding asynchronous motor
08/01/2012CN102624312A Hybrid inverter generator
08/01/2012CN102624311A Excitation control device of brushless generator of electric wheel dumper
08/01/2012CN102624310A Alternative-current generator
08/01/2012CN102624309A Variable-speed double-fed wind power station clustering equating method based on mechanical and electrical dynamic characteristics
08/01/2012CN102624026A Variable speed wind-power system based on variable frequency transformer and control method of variable speed wind-power system
08/01/2012CN102624012A Method for distinguishing negative damping low frequency oscillation on the basis of moment decomposition integral algorithm
07/2012
07/31/2012US8232778 Independent, redundant overvoltage protection for a generator
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