| Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284) |
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| 02/03/2010 | CN201396133Y Workover rig dragged by industrial electric network-driven frequency-conversion speed-controlling rare-earth permanent magnet synchronous motor |
| 02/03/2010 | CN101640515A Actuating device of medical variable frequency high-speed motor shaft |
| 02/02/2010 | US7656117 System and method for precharging passive harmonic filters |
| 02/02/2010 | US7656116 Power supply system with function of short circuit detection |
| 02/02/2010 | CA2481614C System and method for bypassing a motor drive |
| 01/28/2010 | WO2010010987A1 Dead-time compensator and method for permanent magnet synchronous drives |
| 01/28/2010 | WO2010010477A1 Method of controlling a variable speed wind turbine |
| 01/28/2010 | US20100019705 Electric power conversion circuit, and control device for multiphase electric rotary machine |
| 01/28/2010 | US20100019704 Single-phase brushless DC motor drive circuit |
| 01/28/2010 | US20100019702 Current sensing for a multi-phase dc/dc boost converter |
| 01/28/2010 | DE112008000589T5 Energieerzeugungssteuerverfahren einer Hybridbaumaschine und Hybridbaumaschine Power generation control method of a hybrid construction and hybrid construction |
| 01/27/2010 | EP2148420A2 Inverter generator |
| 01/27/2010 | CN201393202Y Variable-frequency speed control system for brushless double-fed motor |
| 01/27/2010 | CN201393201Y Frequency changer |
| 01/27/2010 | CN201393200Y GSM controller of variable-frequency speed control system |
| 01/27/2010 | CN201390572Y Negative pressure control device for induced draft motor of bobbin winder |
| 01/27/2010 | CN101636902A Permanent magnet rotary electric machine and permanent magnet motor drive system |
| 01/27/2010 | CN101636901A Electric power generation system with multiple generators and/or inverters |
| 01/27/2010 | CN101636900A Transient condition detection for an electric power generation system |
| 01/27/2010 | CN101635559A Inverter generator |
| 01/27/2010 | CN101635558A Inverter generator |
| 01/27/2010 | CN101635557A Inverter generator |
| 01/27/2010 | CN101635556A Inverter generator |
| 01/27/2010 | CN100586000C Semiconductor element drive device, power conversion device, motor drive device and semiconductor element drive method, electric power conversion method and motor drive method |
| 01/26/2010 | US7653466 Control apparatus for electric vehicles |
| 01/26/2010 | US7652387 Stator controlled induction generators with short-circuited rotor |
| 01/21/2010 | US20100017063 Electric power steering apparatus |
| 01/21/2010 | US20100013438 Power processing systems and methods for use in plug-in electric vehicles |
| 01/20/2010 | CN201388185Y Inner-feed chopper cascade speed control device |
| 01/20/2010 | CN201388184Y Two-phase alternating-current frequency-conversion driving sewing machine and electric motor thereof |
| 01/20/2010 | CN201388183Y Energy saving optimization processor of three-phase asynchronous motor |
| 01/20/2010 | CN201388122Y Electromotor integrating frequency conversion and speed regulation |
| 01/20/2010 | CN101632221A Motor drive device |
| 01/20/2010 | CN101632220A Controller of electric vehicle |
| 01/20/2010 | CN101630940A Fuzzy neural network inverse robust controller of induction motor speed regulation system and construction method |
| 01/20/2010 | CN100583621C Field weakening vector controller for permanent magnet synchronous motor and module |
| 01/20/2010 | CN100583620C Rotor position presuming method and apparatus, motor control method and compressor |
| 01/14/2010 | WO2010004971A1 Motor drive device |
| 01/14/2010 | US20100007301 Safety drive for a flap or a valve |
| 01/14/2010 | US20100007300 Method and system for temperature-based power converter control |
| 01/14/2010 | US20100007293 Programmable power-control circuit and methods of operation |
| 01/14/2010 | DE112008000818T5 Verfahren zur Steuerung einer Hybridbaumaschine und Hybridbaumaschine Method for controlling a hybrid construction machine and hybrid construction machine |
| 01/14/2010 | DE102008032404A1 Kraftgetriebenes Handgerät, insbesondere Chirurgiehandgerät Powered hand tool, especially surgery handset |
| 01/14/2010 | DE10060368B4 Verfahren zum Steuern eines Asynchronmotors und Gerät zum Ausführen desselben Of the same method for controlling an asynchronous motor and apparatus for performing |
| 01/13/2010 | EP2143196A2 Method for driving a pulse width modulated controller |
| 01/13/2010 | EP1221765B1 Method of controlling ac motor and controller |
| 01/13/2010 | CN201383794Y Inverting control device of power supply trolley locomotive |
| 01/13/2010 | CN201383793Y Electrical control device for self-elevating drilling ship |
| 01/13/2010 | CN201383792Y Control circuit for pumping unit |
| 01/13/2010 | CN201383791Y Frequency conversion speed regulator |
| 01/13/2010 | CN201383790Y Novel AC temperature adjustment and speed regulation hair drier for addressing over-criterion harmonic current |
| 01/13/2010 | CN201383091Y Electronic control device of coffee bean grinder |
| 01/13/2010 | CN201381841Y Variable-frequency energy-saving control device of oil pumping unit |
| 01/13/2010 | CN100581048C High-phase order generator |
| 01/13/2010 | CN100581047C Preheating control apparatus and method for compressor |
| 01/12/2010 | US7646165 Converter circuit and motor driving apparatus |
| 01/07/2010 | WO2010001579A1 Motor control device and vehicle-steering device comprising same |
| 01/07/2010 | WO2010000640A1 Method for determining the inductances of a permanent magnet synchronous machine |
| 01/07/2010 | WO2010000548A2 Method and device for optimizing space vector pulse width modulation |
| 01/07/2010 | DE112007003407T5 Leistungsregenerationswandler Power regeneration converter |
| 01/07/2010 | DE10140034B4 Sensorloses Vektorsteuersystem für einen Induktionsmotor und Verfahren zum Betreiben desselben Thereof sensorless vector control system for an induction motor and method of operating |
| 01/06/2010 | EP2141791A1 Method and device for operating an induction machine |
| 01/06/2010 | EP2141041A1 Electric drive system and hybrid drive system |
| 01/06/2010 | CN201378825Y High-power low-voltage variable frequency transmission complete set of device of high-voltage power supply low harmonic injection |
| 01/06/2010 | CN201378801Y AC/DC converting circuit and motor controller employing same |
| 01/06/2010 | CN101622780A Device for controlling electric vehicle and electric vehicle equipped with the control device, and electric vehicle control method and computer readable recording medium on which program for allowing |
| 01/06/2010 | CN101622149A Controller for motor, and vehicle |
| 01/06/2010 | CN101621276A High-power brushless double-fed motor variable frequency speed control system and starting method thereof |
| 01/06/2010 | CN100578912C Ground detection device for motor driving circuit |
| 01/05/2010 | US7642739 Device and method for controlling motor |
| 12/31/2009 | US20090322276 Power conversion device |
| 12/31/2009 | US20090322273 Method and apparatus for controlling a motor |
| 12/31/2009 | US20090322271 Device and a Method For Providing Electrical Energy to an Actuator, and an Actuator System |
| 12/31/2009 | US20090322148 Power converter and controller using such power converter for electric rolling stock |
| 12/31/2009 | US20090320627 Driving Device |
| 12/31/2009 | DE102009009913A1 Motorpositionsregler Motor position controller |
| 12/30/2009 | WO2009157097A1 Pm motor driving power unit |
| 12/30/2009 | EP2139107A2 Pulse code with modulation motor drive system |
| 12/30/2009 | CN201374678Y Controller of bearing-free permanent magnetic synchronous motor |
| 12/30/2009 | CN201374667Y Multi-motor frequency conversion switching control system |
| 12/30/2009 | CN201374634Y Self-starting single-phase permanent-magnet synchronous motor |
| 12/30/2009 | CN201372433Y Piling machine frequency conversion driving system |
| 12/30/2009 | CN201372172Y Frequency-change variable-speed winch |
| 12/30/2009 | CN101617467A Apparatus and method for controlling the motor power |
| 12/30/2009 | CN101615885A Oil submersible motor system and transmission method thereof |
| 12/30/2009 | CN101615884A High power factor cascade stage speed regulating device of phase-shifting chopped waves |
| 12/30/2009 | CN100576718C Control device of electromotor |
| 12/30/2009 | CN100576713C Electric power conversion device |
| 12/23/2009 | EP2136467A1 Permanent magnet rotary electric machine and permanent magnet motor drive system |
| 12/23/2009 | EP2134967A1 Electro-compressor and air conditioner having the same |
| 12/23/2009 | CN101611217A Power plant comprising a consumer and method for operating said power plant |
| 12/23/2009 | CN101610930A Drive force generation system, vehicle using the system, and method for controlling the system |
| 12/23/2009 | CN101610063A High-voltage inverter carrying out soft excitation with converter and control method thereof |
| 12/23/2009 | CN101607531A Double-ended inverter drive system for a fuel cell vehicle and related operating method |
| 12/23/2009 | CN100574091C Motor vibration suppression method based on reactive current compensation |
| 12/23/2009 | CN100574090C Electric power conversion apparatus |
| 12/22/2009 | US7635963 Dual motor drive system, control device for the same, and motor to be used in the same |
| 12/22/2009 | US7635962 Motor driving inverter circuit module, motor driving apparatus having the motor driving inverter circuit module, and inverter integrated circuit package |
| 12/17/2009 | WO2009151156A1 A stand-alone power system by using a flywheel induction motor |
| 12/17/2009 | WO2009151033A1 Air conditioner, air conditioner manufacturing method, and compressor |