| 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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| 09/25/2002 | CN1371161A Inverter unit |
| 09/24/2002 | US6456808 Systems and methods for reducing banding artifact in electrophotographic devices using drum velocity control |
| 09/18/2002 | EP1240712A1 Method for operating asynchronous motors and corresponding device |
| 09/18/2002 | EP0991179B1 Method of inferring initial pole position of permanent magnet brushless motor |
| 09/18/2002 | CN1369961A Driving gear and driving method of a.c motor |
| 09/12/2002 | US20020125855 Electric vehicle drive system |
| 09/12/2002 | DE10143475A1 Motorensteuerungsvorrichtung The engine control apparatus |
| 09/11/2002 | EP1239156A1 Temperature control device of liquid cooling device |
| 09/11/2002 | CN1090837C Reduction operation for multi-winding induction motor after fault of converter |
| 09/10/2002 | US6448735 Controller for a wound rotor slip ring induction machine |
| 09/10/2002 | US6448731 Apparatus and method for controlling an electric motor |
| 09/05/2002 | DE10206107A1 Converter for motor, has switch-off device and safety category implemented so that converter motor as a whole can be associated with safety category |
| 09/04/2002 | EP1237274A1 Electric motor controller |
| 09/04/2002 | EP1236607A2 Motor control system |
| 09/04/2002 | CN1090404C Automatic calibration of magnetic field-oriented elevator motor driven parameters using standstill motor measurements |
| 09/04/2002 | CN1090403C Method for controlling DC brushless motor |
| 09/03/2002 | US6445966 Data interface module for motor control system |
| 09/03/2002 | US6445879 Apparatus and method for braking a washing machine |
| 09/03/2002 | US6445156 Speed control |
| 08/29/2002 | US20020117990 Motor control apparatus and electric vehicle using same |
| 08/29/2002 | US20020117989 Starting control method of and control apparatus for synchronous motor, and air conditioner, refrigerator, washing machine and vacuum cleaner each provided with the control apparatus |
| 08/29/2002 | DE10204110A1 Motortreiberkreis und Verfahren zur Steuerung des Motortreiberschaltkreises Motor driving circuit and method for controlling the motor driver circuit |
| 08/28/2002 | EP1235340A2 Method and apparatus for controlling starting of synchronous motor and electric pump |
| 08/28/2002 | CN1366598A Method of controlling preheating power and mechanism of providing preheating |
| 08/27/2002 | US6441523 Very high permanent magnet type electric rotating machine system |
| 08/22/2002 | WO2002065628A1 Power outputting device and vehicle mounting it, control method, storing medium and program for the power outputting device, drive device and vehicle mounting it, and, control method, storing medium and program for the drive device |
| 08/22/2002 | WO2002065139A2 Sensorless determination of initial rotor position in a synchronous motor |
| 08/22/2002 | US20020113615 Constant detecting apparatus for brushless DC motor, control apparatus for brushless DC motor, and program for detecting constant of brushless DC motor |
| 08/22/2002 | US20020113585 Frequency converter system having a damping device with a passive, static impedance for damping undesirable resonant oscillations in a tuned circuit formed by at least one input-side inductance and parasitic distributed capacitances |
| 08/22/2002 | US20020113570 Method for frequency converter |
| 08/22/2002 | US20020113568 Method and apparatus for controlling starting of synchronous motor and electric pump for controlling working fluid of motor vehicle driving system using the appparatus |
| 08/21/2002 | EP1233506A1 Control method and device for a rotating electric ac machine, especially synchronous machine |
| 08/21/2002 | EP1232559A1 Energy conserving motor controller |
| 08/21/2002 | CN1089502C Drive system for engine and control method thereof |
| 08/20/2002 | US6438321 Control of high speed DC motor vertical voltage vector component |
| 08/20/2002 | US6437997 Control device for electric power translating device |
| 08/15/2002 | US20020109479 Motor controller |
| 08/15/2002 | US20020109474 Motor control device |
| 08/14/2002 | EP1230722A1 Synchronous motor with an electronic control for adjustment devices in motor vehicles and method for controlling them |
| 08/14/2002 | EP1116322B1 Method and apparatus for measuring the speed of an induction machine |
| 08/13/2002 | CA2098469C Device for controlling an asynchronous motor |
| 08/08/2002 | WO2002019495A3 Filter-switched drive operating mode control |
| 08/08/2002 | US20020105300 Driving apparatus, power output apparatus, and control method |
| 08/07/2002 | EP1229637A2 System for limitation of the output current from a speed controller |
| 08/06/2002 | US6429648 Current detecting device and current detecting method |
| 08/06/2002 | US6429620 Motor control device |
| 08/06/2002 | US6429616 Method of estimating the DC bus voltage in electric machine drives |
| 08/06/2002 | US6429610 Method and system for reducing motor vibration by controlling flux producing current |
| 08/06/2002 | US6429554 Electric motor |
| 08/01/2002 | WO2002041085A3 System and method to eliminate the dead time influence in a pwm-driven system |
| 07/31/2002 | EP1226996A2 Motor controller for battery forklift |
| 07/31/2002 | EP1226650A2 Method and apparatus for delivering power to a mechanical or electrical system |
| 07/31/2002 | CN1361935A Method and apparatus for detecting a failed thyristor |
| 07/30/2002 | US6427105 Electric power steering control system and control method thereof |
| 07/30/2002 | US6426605 Multi-phase induction motor drive system and method |
| 07/30/2002 | US6426602 Minimization of motor torque ripple due to unbalanced conditions |
| 07/25/2002 | US20020097019 Motor controller for battery forklift |
| 07/25/2002 | DE10125910A1 Verfahren und Schaltung zur Erkennung von Motor-Isolationsfehlern Method and circuit for detection of motor insulation faults |
| 07/25/2002 | CA2365153A1 Motor controller for battery forklift |
| 07/24/2002 | EP1051787B1 Method for symmetrizing asymmetric faults |
| 07/23/2002 | US6424871 Rotating machine integrated with controller, and inverter |
| 07/18/2002 | US20020093308 System for limitation of the output current from a speed controller |
| 07/18/2002 | US20020093306 Pump controller |
| 07/18/2002 | DE10148517A1 Geschwindigkeitsregelungsvorrichtung eines synchronen Reluktanzmotors und Verfahren dazu Speed control apparatus of a synchronous reluctance motor and method therefor |
| 07/18/2002 | DE10065237A1 Method of torque control or regulation of electric motor e.g. for motor vehicle steer-by-wire steering system, involves using voltage regulator for controlling voltage output magnitudes of converter in relation to current control |
| 07/17/2002 | EP1223666A2 Method for frequency convertor |
| 07/17/2002 | EP1222470A1 A device and a method for estimating the speed of a slip ring asynchronous machine |
| 07/17/2002 | CN1359557A Power supply circuit of an electric and corresponding control method |
| 07/16/2002 | CA2061960C Electric motor control apparatus and method |
| 07/11/2002 | DE10064213A1 Frequency converter with mains input choke, includes damping device for oscillatory circuit |
| 07/10/2002 | EP1221765A1 Method of controlling ac motor and controller |
| 07/04/2002 | WO2002052712A1 Efficiency maximizing motor controller and method |
| 07/04/2002 | US20020084773 Method of controlling claw-pole synchronous machine |
| 07/04/2002 | DE10001497A1 Circuit arrangement with electrical frequency converter with DC intermediate circuit for control of electric motor drives. has between in-feed and static rectifier |
| 07/03/2002 | EP1220439A2 Parameter detection of a DC brushless motor and vector control of that motor |
| 07/03/2002 | EP1219014A1 Minimization of motor torque ripple due to unbalanced conditions |
| 07/02/2002 | US6414463 Method for measuring the speed of an induction machine |
| 07/02/2002 | US6414462 Speed control apparatus for synchronous reluctance motor |
| 07/02/2002 | US6414455 System and method for variable drive pump control |
| 06/27/2002 | WO2002050993A1 Method for correcting estimate of speed of induction motor and its device |
| 06/27/2002 | WO2002050992A1 Control method for synchronous motor |
| 06/27/2002 | US20020079861 Induction motor driver |
| 06/27/2002 | US20020079859 Efficiency maximizing motor controller and method |
| 06/27/2002 | DE10160106A1 Relaisverschweißungserfassungsvorrichtung und -erfassungsverfahren Relaisverschweißungserfassungsvorrichtung and -erfassungsverfahren |
| 06/25/2002 | US6411530 Drive and power supply with phase shifted carriers |
| 06/20/2002 | US20020075703 Inverter device |
| 06/20/2002 | US20020074969 PWM motor drive apparatus with increase of low speed capability |
| 06/20/2002 | DE10055396A1 Device for operating low-voltage ranges for a high-speed induction machine, uses a three-point current converter as an electronic power servo component. |
| 06/18/2002 | US6408216 Position control apparatus using servomotor |
| 06/13/2002 | US20020070715 Mechanical power outputting apparatus and inverter apparatus |
| 06/13/2002 | US20020070608 Relay welding detector and detecting method |
| 06/12/2002 | EP1213828A1 Initial magnetic pole estimating device for ac synchronous motor |
| 06/12/2002 | CN1353500A Control device and setting method of action parameters |
| 06/11/2002 | US6404162 Variable-speed controlling device for use with an induction motor |
| 06/11/2002 | US6401875 Absolute position sensing method and apparatus for synchronous elevator machines by detection stator iron saturation |
| 06/06/2002 | WO2002045250A1 Power conversion device |
| 06/04/2002 | US6400119 Energy conserving motor controller |
| 05/30/2002 | US20020064063 Semiconductor device for inverter control and control method |
| 05/30/2002 | US20020063542 Dynamic motor drive torque control based on power switching device temperature feedback |
| 05/29/2002 | EP1208632A2 Demagnetization-protected permanent magnet ship propulsion system |