| Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284) |
|---|
| 04/26/2001 | WO2001029950A2 Method and apparatus for delivering power to a mechanical or electrical system |
| 04/26/2001 | WO2001029946A1 Control device |
| 04/25/2001 | CN1292597A Electric machinery |
| 04/24/2001 | US6222334 Regenerative braking system |
| 04/24/2001 | US6220045 Apparatus and method for controlling resonance frequency of inverter refrigerator |
| 04/19/2001 | WO2001027637A1 A device and a method for estimating the speed of a slip ring asynchronous machine |
| 04/18/2001 | EP1093207A2 Electric motor |
| 04/18/2001 | CN1292167A Motor controller |
| 04/18/2001 | CN1064793C Circuit arrangement for powering two-phase asynchronous motor |
| 04/18/2001 | CN1064790C Vector control method and vector control inverter of motor |
| 04/15/2001 | CA2286892A1 Method of charging secondary batteries |
| 04/15/2001 | CA2286891A1 Method for reducing the power consumption of an incandescent light bulb |
| 04/15/2001 | CA2286883A1 Method for reducing the power consumption of an electric motor |
| 04/15/2001 | CA2286881A1 Method and apparatus for increasing the power output of primary and secondary batteries |
| 04/15/2001 | CA2286880A1 Method of discharging secondary batteries |
| 04/15/2001 | CA2286878A1 Method and apparatus for automatically optimizing the power consumption of an electric motor |
| 04/15/2001 | CA2286413A1 Method for reducing the power consumption of a fluorescent or sodium lamp |
| 04/11/2001 | EP1089895A1 Method for regulating an electrical motor |
| 04/11/2001 | CN1290615A Controller for AC electric locomotive |
| 04/11/2001 | CA2322923A1 Electric motor |
| 04/10/2001 | US6215262 Speed control method for switched reluctance motor (SRM) |
| 04/04/2001 | CN1064190C Frequency coverter |
| 04/03/2001 | US6211792 Method and apparatus detecting a failed thyristor |
| 04/03/2001 | US6211593 Synchronous motor with permanent magnet provided on magnetic pole end |
| 03/29/2001 | WO2001022570A1 Method of controlling ac motor and controller |
| 03/29/2001 | WO2001022568A1 Initial magnetic pole estimating device for ac synchronous motor |
| 03/29/2001 | WO2001021959A1 Autonomous inverter driving hydraulic unit |
| 03/28/2001 | EP1086525A1 Method of minimizing errors in rotor angle estimate in synchronous machine |
| 03/28/2001 | EP0931377B1 Three-phase current regulator with interrupt-performed phase control |
| 03/28/2001 | CN1289470A Method for symmetrizing asymmetric faults |
| 03/28/2001 | CN1063886C Method and apparatus for controlling motor |
| 03/27/2001 | US6208536 Safety device for a drive mechanism |
| 03/27/2001 | US6208113 System for controlling the rotation of AC motors |
| 03/27/2001 | CA2179776C Method and apparatus for transducerless flux, position and velocity estimation in drives for ac machines |
| 03/22/2001 | WO2001020766A1 Minimization of motor torque ripple due to unbalanced conditions |
| 03/20/2001 | US6205405 Device for determining the resistive torque of a rotating item of equipment, system for monitoring the operation of an electric motor and system for regulating the operating parameters of a centrifuge incorporating such a device |
| 03/20/2001 | US6204627 Motor control apparatus |
| 03/20/2001 | US6204626 Driving method and driving device for motor |
| 03/15/2001 | DE10042938A1 Motor drive has power transformer secondary circuits coupled to individual power cells regulated for reduction of harmonics |
| 03/14/2001 | CN1287709A Control device of induction motor |
| 03/13/2001 | US6201716 Controller of power supplying apparatus with short circuit preventing means |
| 03/13/2001 | US6201369 SCR protection from stalled motor without current sensing |
| 03/08/2001 | DE19959657A1 Controlling and/or regulating an alternating current or 3-phase motor e.g. for door mechanism, involves driving motor with stochastic signal pulses with probability density modulated according to desired drive function |
| 03/07/2001 | EP1081842A1 A multi-speed motor controller |
| 03/06/2001 | US6198248 Method of controlling a rotary electrical machine, a servo-control system for implementing the method, and a rotary machine fitted with such a system |
| 03/06/2001 | US6198240 Motor controller |
| 02/27/2001 | US6194865 Control method and system for electric rotary machine |
| 02/27/2001 | US6194864 Control device for induction motor |
| 02/22/2001 | WO2001013487A1 Method and apparatus for detecting a failed thyristor |
| 02/22/2001 | WO2000035072A8 Motor drive circuit |
| 02/22/2001 | CA2379957A1 Method and apparatus for detecting a failed thyristor |
| 02/14/2001 | EP1075730A2 Cross coupled motor gate drive |
| 02/13/2001 | US6188196 Electrical angle detecting apparatus and method, and motor control apparatus |
| 02/08/2001 | WO2001010001A2 Demagnetization-protected permanent magnet ship propulsion system |
| 02/08/2001 | DE19935048A1 System zum Betreiben einer Wechselstromlast, insbesondere eines Wechselstrom-Motors mit Drehzahleinstellung System for operating an AC load, in particular an AC motor with speed control |
| 02/08/2001 | DE19929728A1 Motor control circuit arrangement |
| 02/08/2001 | CA2381148A1 Demagnetization-protected permanent magnet ship propulsion system |
| 02/07/2001 | CN1061799C Voltage type inverter and control method thereof |
| 02/07/2001 | CN1061798C Leakag-proof device and method for preventing leakage |
| 02/06/2001 | US6185115 Three-phase pulse width modulation method and system for alternating current motor |
| 02/06/2001 | US6184648 Motor control apparatus |
| 02/06/2001 | US6184647 Method of estimating initial pole position of permanent magnet brushless motor |
| 02/06/2001 | US6184641 Controller for a door operator |
| 02/06/2001 | US6184638 Control system for an induction motor |
| 02/01/2001 | DE10020981A1 Motor control device with earth-leakage circuit-breaker (ELCB), uses error logic circuit for detecting excessive current condition, for smooth shut-down |
| 01/31/2001 | EP1073192A2 Device for driving an AC load, especially an AC motor with speed control |
| 01/31/2001 | EP1071982A1 Apparatus and method for controlling an electric assist steering system |
| 01/31/2001 | CN1282138A Method and device for braking washing machine |
| 01/30/2001 | US6181266 D/A conversion method and a D/A converter using pulse width modulation |
| 01/30/2001 | US6179012 Synchronized drive system for a leno selvedge |
| 01/24/2001 | EP1070384A1 Method and device for controlling a static converter powering an electrical source |
| 01/23/2001 | US6177774 Motor controller based on PWM system |
| 01/18/2001 | WO2001003965A1 Method for controlling a power drive system |
| 01/18/2001 | DE19931199A1 Verfahren zur Steuerung eines Leistungs-Antriebssystems A method for controlling a power drive system |
| 01/17/2001 | EP1069677A2 Motor controller for driving various machines |
| 01/16/2001 | US6175210 Prime mover for operating an electric motor |
| 01/11/2001 | WO2001003283A1 Power supply circuit of an electric motor and corresponding control method |
| 01/10/2001 | EP1067671A1 Power supply circuit of an electric motor and corresponding control method |
| 01/10/2001 | EP1067669A2 Pulse-width modulation inverter |
| 01/10/2001 | EP1066674A1 Dual stator winding induction machine drive |
| 01/09/2001 | US6171063 Control circuit for vibrating compressors for protecting against excessive voltage and temperature |
| 01/09/2001 | CA2133150C Hydraulic operational system for an injection molding machine |
| 01/04/2001 | WO2001001559A1 Method for torque control of an induction motor using a voltage controller |
| 01/04/2001 | DE19927126A1 Circuit for controlling/regulating pulse converters for electrical 3-phase networks has pulse converter control/regulation circuit, RISC processor connected to external controllers via data bus |
| 01/03/2001 | EP1064718A1 Method of correcting flux midpoint influx-controlled alternating current systems |
| 01/03/2001 | EP1064715A1 A solid state motor starter with energy recovery |
| 01/02/2001 | CA2062319C Synchronous motor with permanent magnets |
| 12/28/2000 | DE19928481A1 Simplified, field-oriented regulation of asynchronous machines involves computing main field voltage on basis of demand parameters for flux- and torque-generating currents |
| 12/27/2000 | EP1062718A1 Electric motor or generator |
| 12/20/2000 | EP1060560A1 Motor conroller |
| 12/19/2000 | US6163130 Injection molding machine |
| 12/19/2000 | US6163129 Method of controlling the starting, stopping and speed of an AC induction motor |
| 12/19/2000 | US6163118 Method and apparatus for controlling a motor in a mass storage device |
| 12/14/2000 | WO2000046912A3 Cross coupled motor gate drive |
| 12/12/2000 | US6160414 Method for diagnosing abnormality of circuit member of inverter driving controller for driving and controlling motor |
| 12/12/2000 | US6158553 Curtailed operation of multiple-wound induction motor following inverter failure |
| 12/05/2000 | US6157153 Motor driver |
| 11/30/2000 | WO2000072437A1 Starting procedure of open-loop vector control in synchronous machine |
| 11/30/2000 | CA2371973A1 Starting procedure of open-loop vector control in synchronous machine |
| 11/29/2000 | EP1056205A2 Semiconductor apparatus |