| 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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| 07/25/2006 | US7081735 System and method for bypassing a motor drive |
| 07/25/2006 | US7081734 Ride-through method and system for HVACandR chillers |
| 07/20/2006 | DE102005059220A1 Induction motor inverter system, has inverter driving induction motor by converting DC link voltage into AC voltage of variable frequency and variable voltage relative to voltage pulse signal output from controller |
| 07/19/2006 | CN2798414Y Controllable soft starting stepless speed regulator for electromechanical driving system |
| 07/19/2006 | CN1805266A Load monitoring and control system for induction motor in power system |
| 07/19/2006 | CN1804741A Intelligent automobile body network control system device and control method thereof |
| 07/19/2006 | CN1265546C Method and apparatus for deriving characteristics of public power supply signal in AC machine drive system |
| 07/18/2006 | US7078873 Motor controller |
| 07/13/2006 | DE102004063028A1 Motor driven apparatus has ac synchronous motor with cage rotor that is battery driven through a frequency converter |
| 07/12/2006 | EP1511936B1 Dual-shaft vacuum pump with a synchronous motor |
| 07/12/2006 | CN2796243Y Intelligent controller for inductive voltage regulator speed changing and voltage regulation |
| 07/12/2006 | CN1801599A Application of high-voltage variable-frequency and variable-speed system in shaft hoist |
| 07/11/2006 | US7075268 System and method for increasing output horsepower and efficiency in a motor |
| 07/11/2006 | US7075267 Space vector-based current controlled PWM inverter for motor drives |
| 07/11/2006 | US7075266 Apparatus for controlling an a. c. motor |
| 07/11/2006 | US7075265 High phase order electrical rotating machine with distributed windings |
| 07/06/2006 | WO2006070266A2 Motor control unit and vehicle equipped therewith |
| 07/06/2006 | US20060145677 Voltage conversion device and computer-readable recording medium having program recorded thereon for computer to control voltage conversion |
| 07/06/2006 | US20060145653 Control technique for limiting the current of an induction machine drive system |
| 07/06/2006 | US20060145652 Motor drive controlling device and electric power-steering device |
| 07/06/2006 | US20060145650 Speed sensorless control of an induction machine using a pwm inverter with output lc filter |
| 07/06/2006 | US20060145649 Control method and controller for ac motor |
| 07/05/2006 | EP1676358A2 Phase angle control for synchronous machine control |
| 07/05/2006 | CN1799183A Voltage conversion device and electric car |
| 07/05/2006 | CN1797936A Torque control method for frequency control of asynchronous motor with no speed sensor |
| 07/05/2006 | CN1797935A Whirling resonance type motor control system and control method |
| 07/05/2006 | CN1797934A Generated power control system |
| 07/04/2006 | US7071651 Position-of-magnetic-pole detecting device and method |
| 07/04/2006 | US7071641 Motor control apparatus, and washing machine and drying machine using the same |
| 06/29/2006 | US20060140789 Control arrangement for an induction motor compressor having at least three windings, a torque-augmentation circuit, a starting capacitor and a resistive element |
| 06/29/2006 | US20060140788 Control arrangement for an induction motor compressor having at least three windings, a torque-augmentation circuit, a starting capacitor and a resistive element |
| 06/29/2006 | US20060138995 Generated power control system |
| 06/29/2006 | US20060138994 Space vector-based current controlled pwm inverter for motor drives |
| 06/29/2006 | US20060138992 Motor controller and out of control detecting method |
| 06/29/2006 | US20060138985 Rotation drive device and rotation drive method |
| 06/28/2006 | EP1147597A4 Motor drive circuit |
| 06/28/2006 | CN2792020Y Frequency-speed control device for oil-pumping unit |
| 06/28/2006 | CN1794566A Multiple frequency speed regulating inverter and low voltage D.C. powe supply network |
| 06/28/2006 | CN1794565A Controller medium voltage brushless D.C. electric motor |
| 06/27/2006 | US7068010 Motor power supply and method of controlling the same |
| 06/27/2006 | US7068008 Electronic device for controlling a discharge pump driven by a synchronous electric motor with a permanent-magnet rotor |
| 06/27/2006 | CA2524154A1 Disconnect switch with early break feature |
| 06/22/2006 | US20060132084 Method and apparatus for determining motor rotation status |
| 06/21/2006 | CN1790892A Method and apparatus for controlling motor drive |
| 06/21/2006 | CN1789033A DSP-based flush type electric automobile frequency conversion control method and device |
| 06/21/2006 | CN1260529C Air conditioner |
| 06/21/2006 | CN1260422C System and method for automatic detecting and controlling power supply frequency of washing machine |
| 06/20/2006 | US7064518 Driving circuit of an AC fan motor |
| 06/20/2006 | US7064517 Motor driving apparatus for use in a dishwasher |
| 06/20/2006 | US7064516 Motor driver |
| 06/20/2006 | US7064515 Power converter |
| 06/20/2006 | US7064514 Motor drive system for AC motors |
| 06/20/2006 | US7064505 Method and system for controlling vehicle door position having reduced power supply current requirements |
| 06/20/2006 | US7064504 Control apparatus for brushless DC motor |
| 06/15/2006 | WO2006061978A1 Multi-phase current supplying circuit, driving apparatus, compressor, and air conditioner |
| 06/15/2006 | WO2006061691A1 Method for feeding an operating motor of a rolling shutter and a device for a driven rolling shutter |
| 06/15/2006 | US20060125437 Motor control method and device thereof |
| 06/15/2006 | CA2528812A1 System and method for providing power control of an energy storage system |
| 06/14/2006 | EP1669298A1 Electric power steering system |
| 06/14/2006 | DE10160106B4 Relaisverschweißungserfassungsvorrichtung und -erfassungsverfahren Relaisverschweißungserfassungsvorrichtung and -erfassungsverfahren |
| 06/14/2006 | CN1787721A Method for positioning power controlling device of electric driving power electronic power converter and apparatus thereof |
| 06/14/2006 | CN1787361A Method for operating flexible powering frequency changing regulating speed control apparatus of direct control oil pumping unit |
| 06/14/2006 | CN1787360A Inverter system for driving induction motor |
| 06/14/2006 | CN1787359A Method of controlling motor drive speed |
| 06/14/2006 | CN1259774C Equipment and method for generating brake during AC driving |
| 06/13/2006 | US7061195 Global closed loop control system with dv/dt control and EMI/switching loss reduction |
| 06/13/2006 | US7061134 Method and system for improved thermal management of a voltage source inverter operating at low output frequency utilizing a zero vector modulation technique |
| 06/08/2006 | WO2006060329A2 Advanced current control method and apparatus for a motor drive system |
| 06/08/2006 | WO2006060319A1 High power density/limited dc ink voltage synchronous motor drive |
| 06/08/2006 | WO2006039626A9 A system and method of a single switch controlled reluctance motor |
| 06/08/2006 | WO2005039027A3 Apparatus for generating sine waves of electromotive force |
| 06/08/2006 | US20060119333 Voltage conversion device and electric car |
| 06/08/2006 | US20060119312 Motor drive apparatus capable of accurately estimating demagtization of permanent magnet motor |
| 06/08/2006 | US20060119311 Inverter system for driving induction motor |
| 06/08/2006 | US20060119310 Inverter device |
| 06/08/2006 | US20060119309 Apparatus and method for controlling velocity of motor |
| 06/08/2006 | US20060119303 Global closed loop control system with DV/DT control and EMI/switching loss reduction |
| 06/08/2006 | US20060119297 Load driver capable of suppressing overcurrent |
| 06/08/2006 | DE202004020960U1 Motor driven apparatus has ac synchronous motor with cage rotor that is battery driven through a frequency converter |
| 06/08/2006 | DE102004057915A1 Antrieb und Verfahren zum Steuern des Energieflusses bei einem Antrieb Drive and method for controlling the energy flow in a drive |
| 06/08/2006 | DE102004027644A1 Bedienvorrichtung eines Elektrowerkzeugs Control device of a power tool |
| 06/08/2006 | DE102004027635A1 Handgeführtes oder stationäres Elektrowerkzeug mit einer Antriebseinheit The hand-held or stationary power tool with a drive unit |
| 06/07/2006 | EP1667319A2 Apparatus for controlling speed of fan motor of air-conditioner |
| 06/07/2006 | CN1783699A Motor controller and steering device |
| 06/07/2006 | CN1783698A Phase current detection method, inverter control method, motor control method, and apparatuses used in these methods |
| 06/07/2006 | CN1783697A Inverse changing driving circuit for household electric appliance |
| 06/07/2006 | CN1783692A Speed controller of synchronous motor |
| 06/07/2006 | CN1258869C Method and device for shutting down a drive comprising a matrix converter during a main failure |
| 06/07/2006 | CN1258868C Initial magnetic pole estimating device for AC synchronous motor |
| 06/06/2006 | US7057629 Control apparatus |
| 06/06/2006 | US7057371 Inverter for electric and hybrid powered vehicles and associated system and method |
| 06/06/2006 | US7057361 Inverter control device and electric vehicle thereof |
| 06/01/2006 | WO2006057435A1 Power output device and vehicle using the same |
| 06/01/2006 | US20060113954 Advanced current control method and apparatus for a motor drive system |
| 06/01/2006 | US20060113953 Inverter |
| 06/01/2006 | US20060113952 High power density/limited dc link voltage synchronous motor drive |
| 06/01/2006 | US20060113951 Inverter system, AC rotating machine and electric power converter |
| 06/01/2006 | US20060113949 Method for detecting/adjusting synchronous motor rotor position |
| 06/01/2006 | US20060113930 Control device for variable speed electric motors, particularly for power tools |
| 06/01/2006 | DE19636784B4 Steuerungsvorrichtung für einen Permanentmagnet-Synchronmotor A control apparatus for a permanent magnet synchronous motor |