| Patents for H02P 9 - Arrangements for controlling electric generators for the purpose of obtaining a desired output (15,039) |
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| 03/31/2009 | US7511387 Method and apparatus for producing energy using air pressure differential |
| 03/31/2009 | US7511384 DC conversion system |
| 03/26/2009 | WO2009038562A2 Preventing overspeeding of a turbine driven generator |
| 03/26/2009 | WO2009009674A3 Ac electrical generation system |
| 03/26/2009 | WO2007036944A3 Self-powered non-contact water appliance |
| 03/26/2009 | WO2007036943A3 Pipeline deployed hydroelectric generator |
| 03/26/2009 | US20090082999 Method and system for automatically determining an operating mode of a generator |
| 03/26/2009 | US20090079400 System and method for electric current and power monitoring and control of a generator |
| 03/26/2009 | US20090079399 Overload control of an electric power generation system |
| 03/26/2009 | US20090079267 Converter control unit |
| 03/26/2009 | US20090079195 Wind power generator |
| 03/26/2009 | US20090079193 Method of controlling a wind turbine connected to an electric utility grid |
| 03/26/2009 | US20090079192 Method for controlling and adjusting a wind turbine |
| 03/26/2009 | US20090079191 Electric power generation with magnetically geared machine |
| 03/26/2009 | US20090079190 Power generation control device |
| 03/25/2009 | EP2040370A2 Generator for gas turbine engine having main DC bus and accessory AC bus |
| 03/25/2009 | EP2038994A2 An electric power converter for extraction of atmospheric electric energy |
| 03/25/2009 | CN201213248Y Continuously variant constant frequency operating wind electricity generator |
| 03/24/2009 | US7509190 Method for administering an intermittent uncontrollable electric power generating facility |
| 03/24/2009 | US7508089 Over speed control circuit for a wind turbine generator which maximizes the power exported from the generator over time |
| 03/24/2009 | US7508087 Vehicle electric-power conversion apparatus |
| 03/24/2009 | US7508086 Aircraft engine starter/generator and controller |
| 03/19/2009 | WO2009035744A1 Enhanched electrical power supply systems with induction generators and related methods of operation |
| 03/19/2009 | WO2009035141A1 Generating device, and illuminating device utilizing the same |
| 03/19/2009 | WO2009033912A1 Method and apparatus for determining a field current in brushless electrical machines |
| 03/19/2009 | WO2009007671A3 A synchronous electrical machine |
| 03/19/2009 | WO2009000989A3 Method for controlling a rotary electric machine in case of load shedding and corresponding power control module |
| 03/19/2009 | US20090072797 Load-off transient acceleration generator control system |
| 03/19/2009 | US20090072771 Magnetic motor generator having a floating flywheel |
| 03/19/2009 | US20090071784 Powertrain with Torque Converter-Mounted Generator for Multiple Voltage Electrical Power and Method for Assembling Same |
| 03/19/2009 | US20090071734 Method and Apparatus for Generating Electrical Power with Compressed Air and Vehicle Incorporating the Same |
| 03/19/2009 | CA2707335A1 Method and apparatus for determining a field current in brushless electrical machines |
| 03/18/2009 | EP2036198A2 Method for managing a power supply system with a variable voltage, especially of a motor vehicle |
| 03/18/2009 | EP2035899A1 Adaptive pitch control for variable speed wind turbines |
| 03/18/2009 | EP2035270A1 Method, apparatus , signals , and media, for selecting operating conditions of a genset |
| 03/18/2009 | CN201210664Y Intelligent physical current equalizing controller with excitation dual rectifying bridge |
| 03/18/2009 | CN201210663Y Electricity-controlled multistage frequency modulating device for engine electricity generating set |
| 03/18/2009 | CN101388637A Dual feed-back wind power generator robust controlling method having feed-forward compensation |
| 03/18/2009 | CN101388636A Energy-saving inversion controller for digital electricity generating set |
| 03/18/2009 | CN101387206A Electric power generating device |
| 03/18/2009 | CN100471031C Small high-speed asynchronous power generator |
| 03/17/2009 | US7504742 Method for the erection of a wind energy plant, and wind energy plant |
| 03/12/2009 | WO2009030991A1 Power unit |
| 03/12/2009 | WO2009030692A1 Method and control unit for the short circuit current reduction in a double-fed asynchronous machine |
| 03/12/2009 | WO2009000996A3 Rotary electric machine and method for controlling same |
| 03/12/2009 | US20090066297 Power Generation Apparatus Using AC Energization Synchronous Generator And Method Of Controlling The Same |
| 03/12/2009 | DE102008039593A1 Steuerschaltung für einen Generator, eine Generatorbaugruppe, und Verfahren zur Steuerung der Ausgangsspannung eines Generators A control circuit for a generator, a generator assembly, and method of controlling the output voltage of a generator |
| 03/11/2009 | EP2033304A1 Method for controlling a reversible electrical machine coupled to a heat engine, engine suitable for carrying out the method, and use thereof |
| 03/11/2009 | EP2033293A2 Method for recovering electrical energy in a vehicle with regenerative braking |
| 03/11/2009 | EP2032846A2 Power conditioning architecture for a wind turbine |
| 03/11/2009 | CN201207629Y Wind electricity generation system having power factor adjustment |
| 03/11/2009 | CN101383580A Low voltage traversing control method for double feeding wind power generator when short circuit failure of electric network |
| 03/11/2009 | CN101383579A Double feeding induction generator dual channel excitation control method based on dynamic synchronizing shaft system |
| 03/11/2009 | CN101383578A Dual-feeding motor system having protecting device and protecting method thereof |
| 03/11/2009 | CN101383577A Largest wind energy tracing control method for electricity excitation double cam wind power generator system |
| 03/11/2009 | CN101383576A Method for large-sized wind-driven generator group to get through low voltage failure of electric network |
| 03/11/2009 | CN100468951C Power source device for working machine |
| 03/11/2009 | CN100468922C Wind power plant |
| 03/10/2009 | US7501799 Engine start system with a regulated permanent magnet machine |
| 03/10/2009 | US7501798 Method for the active damping of the drive train in a wind energy plant |
| 03/05/2009 | WO2009026670A1 Mechanical regulation of electrical frequency in an electrical generation system |
| 03/05/2009 | WO2009005667A3 Conduction angle control of a switched reluctance generator |
| 03/05/2009 | US20090058374 High efficiency alternator |
| 03/05/2009 | US20090058373 Generator control circuit |
| 03/05/2009 | US20090058372 Voltage controller for vehicle using averaged status signal |
| 03/05/2009 | US20090058100 Engine flare management system and method |
| 03/05/2009 | US20090057433 Engine electrical generator cooling device and method |
| 03/05/2009 | CA2697420A1 Mechanical regulation of electrical frequency in an electrical generation system |
| 03/04/2009 | EP2031749A2 On-vehicle rotary electric machine operating on two modes of rectification |
| 03/04/2009 | EP2031748A2 Voltage controller for vehicle using averaged status signal |
| 03/04/2009 | CN201204564Y Energy-saving commutation voltage stabilizer |
| 03/04/2009 | CN201204563Y Microcomputer excitation controller for generator |
| 03/04/2009 | CN201204562Y Excitation control device for DC and AC generators |
| 03/04/2009 | CN101378201A Passive control type wind power generation system capable of automatically tracking maximum wind energy |
| 03/04/2009 | CN100466458C Controller for multiple wound motor |
| 03/03/2009 | US7498777 Electricity production circuit |
| 03/03/2009 | US7498776 Control device for vehicle AC generator |
| 03/03/2009 | US7498775 Electric machine |
| 02/26/2009 | WO2009024489A1 Method and apparatus for compensation of vibration effects of network asymmetry in a double-powered asynchronous machine |
| 02/26/2009 | US20090055031 System and method for synchronizing an auxiliary electrical generator to an electrical system |
| 02/26/2009 | US20090055030 Control of active power reserve in a wind-farm |
| 02/26/2009 | US20090051332 System and method for electric current and power monitoring and control of a generator |
| 02/26/2009 | DE102007039833A1 Motor vehicle generator controlling device, has generator regulator comprising regulator controller, which controls switch at exciting circuit, and resistor e.g. thermal resistor, influencing total resistance of exciting circuit |
| 02/26/2009 | DE102007039697A1 Verfahren und Vorrichtung zur Kompensation von Schwingungseffekten bei Netzunsymmetrie bei einer doppeltgespeisten Asynchronmaschine Method and apparatus for compensating for vibration effects in a double-fed asynchronous network asymmetry in |
| 02/26/2009 | CA2723735A1 Method of and apparatus for compensation of oscillation effects in the event of network asymmetry in a double-fed asynchronous machine |
| 02/25/2009 | EP2028758A1 Engine having power bus fault short circuit control with a disconnection switch |
| 02/25/2009 | EP2027648A1 Current limitation for a double-fed asynchronous machine |
| 02/25/2009 | EP1206826B1 Energy management system for automotive vehicle |
| 02/25/2009 | CN101373921A Generator-motor apparatus, drive system including generator-motor apparatus, and computer-readable recording medium |
| 02/25/2009 | CN101372940A Method and system for providing electrical power to a wind turbine system |
| 02/25/2009 | CN100464494C Output voltage regulator of engine driven generator |
| 02/25/2009 | CN100464493C Pneumatic generating speed-changing frequency-constant method and apparatus based on digital-controlled flywheel hybrid driven |
| 02/19/2009 | WO2008153419A3 Anti-islanding system |
| 02/19/2009 | US20090045784 A novel aircraft engine starter/generator |
| 02/19/2009 | US20090045783 Power manager for an electrical power generator |
| 02/19/2009 | US20090045782 Power conversion system |
| 02/19/2009 | US20090045765 Field controllable rotating electric machine system with magnetic excitation part |
| 02/19/2009 | US20090045691 Field controllable rotating electric machine system with magnetic excitation part |
| 02/19/2009 | US20090045628 Thermal management system for wind turbine |
| 02/19/2009 | US20090044536 Gas turbine power generator plant and silencer for the same |