| 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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| 04/06/2011 | CN102006010A Variable frequency driving control method and device for high-power mine hoist |
| 04/06/2011 | CN102006009A Internal freewheeling type constant energy chopping variable-frequency speed regulation method |
| 04/06/2011 | CN102006008A Variable frequency control system of single/three phase permanent magnet motor of home appliance and control method |
| 04/06/2011 | CN102006007A Motor control system of electric automobile |
| 04/06/2011 | CN102006006A System and method for non-sinusoidal current waveform excitation of electrical machines |
| 04/06/2011 | CN102006005A Alternating current voltage and speed regulation device for getting feedback by utilizing integrated rotating speed transmitter |
| 04/06/2011 | CN102005960A Inverter with three bridge arms and nine switches for dual-alternating-current motor drive and control method thereof |
| 04/06/2011 | CN102005949A Converter device, module for driving motor, refrigerating apparatus, harmonic reducing device |
| 04/06/2011 | CN102004493A Transmission control mechanism of stirring system |
| 04/06/2011 | CN102001189A Alternating current servo main drive system applied to mechanical crank pressing machine |
| 04/06/2011 | CN101783636B Motor rotor position estimation method and motor drive control method |
| 04/06/2011 | CN101464032B Sine DC variable frequency air conditioner controller and its control method |
| 04/06/2011 | CN101383586B Motor electricity saving device and motor electricity saving method |
| 04/06/2011 | CN101056089B Pwm current controlling apparatuses capable of optimally correcting load current |
| 03/31/2011 | WO2011037211A1 Power output device |
| 03/31/2011 | WO2011036896A1 Phase current detection device and power conversion device using same |
| 03/31/2011 | DE102010037541A1 Mehrphasendrehmaschinensteuervorrichtung und ein diesselbe verwendendes Servolenksystem Multiphase rotary machine control device and a same-use power steering system |
| 03/30/2011 | EP2302778A1 Method and control device for controlling the output of a vacuum cleaner and vacuum cleaner with such a control device |
| 03/30/2011 | CN201781456U Alternating-current permanent magnet synchronous motor control system for electric vehicle |
| 03/30/2011 | CN201781454U Energy-saving device for starting equipment far away from power supply |
| 03/30/2011 | CN201778820U Speed regulation operating platform for vibratory ore-drawing machine |
| 03/30/2011 | CN101997479A Apparatus for driving motor of air conditioner and method for driving the same |
| 03/30/2011 | CN101997475A Method and device for sampling motor phase current |
| 03/30/2011 | CN101997474A Motor controller for vehicle |
| 03/30/2011 | CN101335499B Controlling method of 4 phase permanent magnet fault tolerant motor |
| 03/29/2011 | US7915853 Motor driving apparatus |
| 03/29/2011 | US7913340 Method of controlling motor-driven washing machine and control system for the same |
| 03/24/2011 | WO2011034109A1 Three-phase ac motor drive control device |
| 03/24/2011 | DE102009031875B4 Verfahren zum Betreiben eines Drehstrommotors und Schaltungsanordnung zur Durchführung des Verfahrens Method for operating a three-phase motor and circuit arrangement for performing the method |
| 03/23/2011 | EP2299587A2 Motor drive device capable of detecting a fault condition |
| 03/23/2011 | EP2297845A2 Method and device for optimizing space vector pulse width modulation |
| 03/23/2011 | CN201774500U All-digital silicon-controlled sub-synchronous double-fed frequency conversion device of mine winder |
| 03/23/2011 | CN201774499U Fuzzy control driving system of beam-pumping unit |
| 03/23/2011 | CN201774498U Frequency conversion electrical control system of rereeling machine |
| 03/23/2011 | CN201774497U Electrical control system for boiler induced-draft fan |
| 03/23/2011 | CN201774496U Intelligent economizer for hydraulic press |
| 03/23/2011 | CN201774495U Variable-frequency speed controller capable of automatically regulating speed at fixed times |
| 03/23/2011 | CN201774494U Control device based on neutral shift technology of high-voltage transducer of DSP (digital signal processor) and FPGA (field programmable gate array) |
| 03/23/2011 | CN201774491U Automatic speed regulating gear of oil extractor |
| 03/23/2011 | CN201774275U Feedback power system of energy-saving emergency lift |
| 03/23/2011 | CN101989833A Control device of induction motor and application thereof |
| 03/23/2011 | CN101989832A Frequency control of motor speed driver of double-fed energy three-phase electric machine |
| 03/23/2011 | CN101989813A Multi-phase DC/DC boost converter |
| 03/23/2011 | CN101521484B Flameproof four-quadrant variable frequency speed governor |
| 03/23/2011 | CN101447762B Phase current sampling and regulating apparatus and methods, and electric motor drive systems |
| 03/23/2011 | CN101356723B Motor controller |
| 03/23/2011 | CN101287951B Refrigerator compressor operating method and refrigerator |
| 03/23/2011 | CN101180191B Load drive apparatus and motored vehicle having the same mounted thereon |
| 03/22/2011 | US7911177 AC motor drive controller |
| 03/17/2011 | WO2011030628A1 Interface circuit, inverter apparatus, inverter system and transmission/reception method |
| 03/16/2011 | EP2296264A1 Motor control device and vehicle-steering device comprising same |
| 03/16/2011 | EP2294688A1 Method for determining the inductances of a permanent magnet synchronous machine |
| 03/16/2011 | CN201766554U Three-phase water pump frequency conversion energy economizer |
| 03/16/2011 | CN201766553U Frequency-conversion control circuit for main motor of spinning frame |
| 03/16/2011 | CN201766549U Intelligent compatible type controlled silicon three-phase voltage-adjusting control module |
| 03/16/2011 | CN201766543U Permanent-magnetic synchronous brushless motor controller |
| 03/16/2011 | CN101986549A Control circuit of electric bicycle |
| 03/16/2011 | CN101986525A AC and DC multifunctional molecular integrated circuit electromotor |
| 03/16/2011 | CN101355338B Motor control device |
| 03/15/2011 | US7906933 Apparatus and method for driving an induction motor |
| 03/15/2011 | US7904984 Method of controlling motor-driven washing machine and control system for the same |
| 03/10/2011 | WO2011028959A2 Variable coil configuration system, apparatus and method |
| 03/10/2011 | WO2010000548A3 Method and device for optimizing space vector pulse width modulation |
| 03/10/2011 | US20110057598 Current Control Apparatus Operable In Wet Environment |
| 03/10/2011 | CA2773102A1 Variable coil configuration system, apparatus and method |
| 03/09/2011 | EP2293428A1 Motor control device and electric power steering device |
| 03/09/2011 | EP2293427A2 Dynamic braking for current source converter based drive |
| 03/09/2011 | CN201758384U Driving device of blowing compartment licker-in conveyer belt |
| 03/09/2011 | CN201758383U Frequency conversion energy-saving system control cabinet |
| 03/09/2011 | CN201758362U Equipment and frequency converter used for system state monitoring |
| 03/09/2011 | CN201758289U Dynamic reactive local compensation and frequency control integration energy-saving device of an asynchronous motor |
| 03/09/2011 | CN101356721B Motor control device and vehicle using the same |
| 03/09/2011 | CN101351959B Feedback control method and apparatus for electric motor |
| 03/09/2011 | CN101208857B Operating three-phase equipment by single-phase power |
| 03/08/2011 | US7902788 Mitigation of harmonic currents and conservation of power in non-linear load systems |
| 03/03/2011 | WO2011024935A1 Anomaly detection device for a permanent magnet synchronous electric motor |
| 03/03/2011 | WO2011024339A1 Motor driving device and motor driving method |
| 03/03/2011 | US20110050142 System and method for motor speed estimation of an electric motor |
| 03/03/2011 | US20110050136 Driving apparatus for a vehicle-mounted electric motor |
| 03/03/2011 | DE102010027705A1 Elektromotorantriebsvorrichtung, Steuerverfahren für Elektromotorantriebsvorrichtung und elektrisch angetriebene Vorrichtung Electric motor drive device, control method for electric motor drive means and electrically powered device |
| 03/03/2011 | DE102009019850A1 Device for connecting electrical machine to electrical energy source by electrical cable, has two electrical power supplies and electrical cable for connection of respective power supply to electrical device |
| 03/03/2011 | CA2771179A1 System and method for motor speed estimation of an electric motor |
| 03/02/2011 | EP2290809A1 Control unit of motor for injection molding machine |
| 03/02/2011 | EP2290804A1 Motor control device |
| 03/02/2011 | EP2290791A1 Synchronous motor drive system |
| 03/02/2011 | CN201754573U Passive revolution sensor signal converting circuit |
| 03/02/2011 | CN201753692U Direct current (DC) frequency conversion electric fan |
| 03/02/2011 | CN101982924A Design method for variable-frequency driven double-rated frequency three-phase motor |
| 03/02/2011 | CN101535913B Control method of electromotor |
| 03/01/2011 | US7898209 Cleaner and method for driving the same |
| 03/01/2011 | US7898208 Control device and corresponding control method for a boost converter in a motor drive system |
| 02/24/2011 | US20110043154 Flux control and one-hundred and eighty degree core systems |
| 02/23/2011 | EP2287406A1 Swivel drive controller and construction machine including the same |
| 02/23/2011 | EP1411624B1 Power inverter |
| 02/23/2011 | CN201752107U Variable frequency control system capable of realizing functions of data copying and printing |
| 02/23/2011 | CN1950613B System and method for variable speed operation of a screw compressor |
| 02/23/2011 | CN101981808A 电动机控制装置 Motor control means |
| 02/23/2011 | CN101981805A Motor control device and electric power steering device |
| 02/23/2011 | CN101981804A Motor control device and electric power steering device |
| 02/22/2011 | US7892140 Vehicle and control method of vehicle |