Patents for H02P 9 - Arrangements for controlling electric generators for the purpose of obtaining a desired output (15,039)
12/2011
12/08/2011WO2011121471A3 Method for retrofitting a wind energy converter
12/08/2011US20110301769 Control of a wind power plant
12/08/2011US20110298430 Rapid de-excitation system for synchronous machines with indirect excitation
12/08/2011US20110298214 Vertical Axis Fluid Turbine
12/08/2011US20110298213 Handy terminal for wind turbine generator, wind turbine generator and wind power site
12/07/2011EP2392069A2 Wind turbine with lvrt capabilities
12/07/2011EP2391817A1 Method for setting an output voltage level of a wind power plant
12/07/2011EP2293431B1 Method and system for controlling a wind power plant in the event of power grid failures
12/07/2011CN202068372U 永磁发电机脉冲移相触发式电压调节器 PMG phase trigger pulse voltage regulator
12/07/2011CN202065119U 水轮发电机组综合控制装置 Hydro-generating unit integrated control device
12/07/2011CN101702613B 场效应管电压调节器低压启动电路 FET low start voltage regulator circuit
12/07/2011CN101506520B 海洋能量采集机 Ocean energy harvesting machine
12/06/2011US8072191 Shorted rotating diode detection and protection
12/06/2011US8072190 Permanent magnet generator control
12/06/2011CA2668179C Wind turbine generator, wind turbine generator system, and power generation control method of wind turbine generator
12/01/2011US20110295437 Wind power converter system with grid side reactive power control
12/01/2011US20110295187 Fat Reduction Using External Laser Radiation and Niacin
12/01/2011US20110291416 Use of pitch battery power to start wind turbine during grid loss/black start capability
12/01/2011US20110291415 Wind turbine and method for monitoring the gap length between a rotor and a stator of the wind turbine generator
12/01/2011US20110291414 Wind power generation system and method of controlling the same
12/01/2011US20110291413 Modular electric generator for variable speed turbines
12/01/2011US20110291411 Power distribution system having priority load control
12/01/2011DE102011050645A1 Verfahren und System zum Erkennen von Fehlern in einer bürstenlosen Erregungsvorrichtung für einen Generator Method and system for detecting errors in a brushless excitation device for a generator
12/01/2011DE102010029507A1 Verfahren und Vorrichtung zur Erzeugung von diskreten Werten eines Stromes mittels einer Induktivität zur Begrenzung eines Erregerstromes für einen Kraftfahrzeuggenerator Method and apparatus for generating a stream of discrete values ​​by means of an inductance to limit an excitation current generator for a motor vehicle
11/2011
11/30/2011EP2301143B1 Power generators
11/30/2011EP2058941B1 Motor control device, control method, and control program
11/30/2011CN202059365U 多参量自适应trt励磁控制装置 Multi-parameter adaptive trt excitation control device
11/30/2011CN202059345U 逆变器 Inverter
11/30/2011CN202059303U 新一代直流发电机 A new generation of DC generator
11/30/2011CN102265502A 逆变器发电机 Inverter Generators
11/30/2011CN101710469B 自供电的环保型广告牌及电视广告舞台 Self-powered environmentally friendly billboard and television advertising arena
11/30/2011CN101593982B 基于并联多重化电流型变流器的自并励励磁系统 Based on the current-multiplexed parallel converter self-shunt excitation system
11/30/2011CN101164225B 集成扭转模式减振系统和方法 Integrated torsional mode damping system and method
11/29/2011US8067851 Differential pressure generator
11/29/2011US8067850 Method for creating a low fluid pressure differential electrical generating system
11/29/2011US8067847 Variable speed machine assembly and method for making the same
11/29/2011US8067845 Method for the operation of a wind energy plant at sudden voltage changes in the grid
11/28/2011CA2732251A1 Monitoring and control apparatus and method and wind power plant equipped with the same
11/24/2011US20110288711 Hybrid working machine and servo control system
11/24/2011US20110285361 Power supply device
11/24/2011US20110285147 Apparatuses and methods for energy storage
11/24/2011US20110285132 Variable speed machine assembly and method for making the same
11/24/2011US20110285130 Power System Frequency Inertia for Wind Turbines
11/24/2011US20110285129 wind turbine and a method for monitoring a wind turbine
11/24/2011US20110285128 Wave energy converter
11/23/2011CN202050381U Active power microcomputer load retainer of power generator set
11/23/2011CN1998130B Phase angle control for synchronous machine control
11/23/2011CN102257722A Inverter generator
11/23/2011CN102257721A Power system frequency inertia for power generation system
11/23/2011CN102257720A Static synchronous generato
11/23/2011CN102255594A Main and auxiliary link cooperative control method for generator excitation system
11/23/2011CN101005204B System and method of operating double fed induction generators
11/22/2011US8063502 Shrouded wind turbine with dual coaxial airflow passageways
11/22/2011US8063500 Maintenance operation method for wind turbine generator and wind turbine generator
11/22/2011US8063498 Harvesting energy from vehicular vibrations
11/17/2011WO2011141520A2 Excitation circuit for an asynchronous generator and method for the excitation of an asynchronous generator
11/17/2011WO2010112132A3 Method and device for controlling a synchronous motor which is separately excited by an excitation winding
11/17/2011US20110278853 Methods, systems and apparatus for regulating frequency of generated power using flywheel energy storage systems with varying load and/or power generation
11/17/2011DE102011000833A1 Fahrzeuggenerator Vehicle Generator
11/17/2011DE102010049566A1 Steuervorrichtung eines Fahrzeug-Motorgenerators Control device of a vehicle motor generator
11/16/2011EP2386753A1 Excitation circuit for an asynchronous generator and method for the excitation of an asynchronous generator
11/16/2011DE202011104589U1 Vorrichtung zur Testung eines DoppeltgespeistenAsynchrongenerators für Windenergieanlagen Apparatus for testing a DoppeltgespeistenAsynchrongenerators for wind turbines
11/16/2011CN102246409A Direct power and stator flux vector control of a generator for wind energy conversion system
11/16/2011CN102246408A Apparatus, systems, and methods for controlling energy converting devices
11/16/2011CN102244498A Power generating unit driver, power generating unit and energy output equipment in power grid
11/16/2011CN101706656B Development platform for automatic power station of ships
11/16/2011CN101640423B Generator system for wind power generation and variable speed control method
11/16/2011CN101346874B Rotating electrical machine with decoupled phases
11/16/2011CN101087122B Redundant electrical brake and protection system for electric generators
11/15/2011US8058851 Generator control unit with fast field discharge
11/15/2011US8058850 Overload control of an electric power generation system with unknown availability of mechanical power capacity
11/15/2011US8058825 Method for sensorless operation of an electronically commutated motor and motor for carrying out such a method
11/15/2011US8058753 Wide area transmission control of windfarms
11/15/2011US8058739 Main circuit of electric power generating apparatus for dispersed power supply
11/10/2011WO2011092193A3 Method for emulation of synchronous machine
11/10/2011WO2011058259A3 Rotating electrical machine having excitation and a digital regulation device
11/10/2011US20110273148 Output control device for hybrid engine-driven power generator
11/10/2011DE102010019644A1 Windturbine mit Zustandsüberwachungssystem Wind turbine condition monitoring system
11/09/2011EP2385621A2 Improvements in or relating to gas turbine engines
11/09/2011EP2385620A2 Operating method and power supply device for a brushless synchronous machine excited by an external source
11/09/2011EP2384541A2 Power system frequency inertia for wind turbines
11/09/2011EP2384540A2 Power system frequency inertia for power generation system
11/09/2011CN202034936U Antilock braking circuit for wind power generator
11/09/2011CN102239631A System and method for monitoring power damping compliance of a power generation unit
11/09/2011CN101494435B Electronic power variation, speed variation wind power generator
11/09/2011CN101442240B Permanent magnet generator with adjustable voltage
11/08/2011US8055390 Controller for a blade adjustment angle of at least one rotor blade of a wind power plant
11/08/2011US8054050 Circuit and method for reducing a voltage being developed across a field winding of a synchronous machine
11/08/2011US8053918 Wind turbine comprising a generator cooling system
11/08/2011US8053917 Variable-speed power generator and method of controlling the same
11/08/2011US8053915 On-vehicle rotary electric machine operating on two modes of rectification
11/03/2011WO2011135112A1 System and method for control an electric generator
11/03/2011WO2011134505A1 Method of predicting transient stability of a synchronous generator and associated device
11/03/2011US20110270682 Solar panel wind turbine communication server network apparatus method and mechanism
11/03/2011US20110270450 Systems and methods for identifying wind turbine performance inefficiency
11/03/2011US20110268568 Apparatus and method for adjusting the yaw of a nacelle of a wind energy system
11/03/2011US20110267012 Methods and Apparatuses for Elimination of Torque Pulsation in Doubly Fed Induction Generators Using the Field Reconstruction Method
11/03/2011US20110266800 Protection circuit applied to wind power generation system employing double-fed induction generator
11/03/2011US20110266799 Wind turbine generator system
11/03/2011US20110266798 Wind turbine generator and start-up method of the same
1 ... 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 ... 151