| 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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| 09/26/2001 | CN1071955C Controller for motor |
| 09/20/2001 | US20010022507 Speed control |
| 09/20/2001 | DE10111795A1 Vector control of reluctance synchronous motor involves using cosine, sine estimates for intermediate angle of angles of in-phase/out-of-phase flux vectors as vector rotator rotation signals |
| 09/19/2001 | EP1134421A1 Autonomous inverter driving hydraulic unit |
| 09/19/2001 | EP0958650B1 Driving mechanism for industrial installations, in particular for primary industry installations |
| 09/13/2001 | WO2001067590A1 Pwm cycloconverter and power fault detector |
| 09/13/2001 | US20010021116 Converter motor with an energy recovery capability |
| 09/13/2001 | DE10111352A1 Vector controller without speed sensor has current/flux processor, coordinate conversion arrangements, inverter for driving AC motor and motor speed estimation arrangement |
| 09/13/2001 | DE10009861A1 Low-loss control of asynchronous motor involves regulating motor terminal voltage to voltage of loss-minimizing current and voltage pair stored in controller |
| 09/13/2001 | CA2402426A1 Pwm cycloconverter and power supply abnormality detection circuit |
| 09/12/2001 | EP1133050A2 Method of estimating a rotor position of synchronous motor, method of controlling synchronous motor with no position sensor and a controller of synchronous motor |
| 09/12/2001 | EP1131873A2 A system and a method for protecting an electric motor and its control circuit, and an electric motor |
| 09/11/2001 | US6288517 Hardware multiphase sinewave generator |
| 09/11/2001 | US6288507 Motor drive circuit |
| 09/09/2001 | CA2340309A1 Multi-speed motor control |
| 09/07/2001 | WO2001065678A1 Method for the low-loss control of an asynchronous motor |
| 09/06/2001 | US20010019251 Motor control device |
| 09/06/2001 | DE10042624A1 Inverter equipment for frequency changing with three wire dc link has provision for reducing resonance |
| 09/04/2001 | CA2268251C Three-phase power controller with interrupt-controlled phase-gating control |
| 08/29/2001 | EP1128545A2 Speed controlling method for induction motor |
| 08/29/2001 | EP1128543A2 Synchronous motor-control apparatus and vehicle using the control apparatus |
| 08/29/2001 | CN1310512A Three-stage dc-to-ac inverter |
| 08/28/2001 | US6281659 Induction motor drive and a parameter estimation method thereof |
| 08/21/2001 | US6278910 Compressor driving apparatus |
| 08/21/2001 | US6278256 Electric vehicle control system for controlling a permanent magnet motor which drives the electric vehicle |
| 08/15/2001 | CN1069794C Motor drive apparatus and motor driving method capable of simply reducing rotating speed in PWM mode |
| 08/14/2001 | US6275405 Motor drive circuit |
| 08/14/2001 | US6275000 Method of controlling an induction motor and apparatus for carrying out the same |
| 08/14/2001 | CA2109068C Process for operating permanently excited single-phase alternating current machines |
| 08/09/2001 | US20010011879 Multi-speed motor control |
| 08/08/2001 | EP1122879A2 Method and apparatus for controlling rotary machine coupled to a turbo engine |
| 08/01/2001 | EP1120898A2 Method for controlling an inverter |
| 07/31/2001 | US6268986 Motor control unit |
| 07/26/2001 | WO2001054265A1 Speed control for induction motor with variable voltage-frequency ratio |
| 07/26/2001 | US20010009360 Current limit circuit of inverter refrigerator |
| 07/25/2001 | CN1305658A Method of minimizing errors in rotor angle estimate in synchronous machine |
| 07/25/2001 | CN1068997C Converter circuit device |
| 07/19/2001 | WO2001051351A2 Ship propulsion system comprising a control that is adapted with regard to dynamics |
| 07/19/2001 | US20010008371 Method for controlling an inverter |
| 07/18/2001 | EP1116322A1 Method for measuring the speed of an induction machine |
| 07/18/2001 | CN1068736C Method for controlling motor and electric equipment |
| 07/18/2001 | CN1068731C Method of and apparatus for starting AC electric motor |
| 07/17/2001 | US6262904 Method and device for controlling a static converter powering an electrical source |
| 07/12/2001 | WO2001050589A1 Apparatus for continuously variable speed electric motor applications |
| 07/12/2001 | CA2395956A1 Apparatus for continuously variable speed electric motor applications |
| 07/11/2001 | EP1115196A2 Motor control device |
| 07/11/2001 | CN1068423C Control apparatus for controlling motor of air conditioner |
| 07/05/2001 | WO2001048908A1 Method for operating asynchronous motors and corresponding device |
| 07/05/2001 | US20010006335 Control device for alternating current motor |
| 07/05/2001 | US20010006330 Method of energizing a polyphase motor having an increased energy efficiency |
| 07/05/2001 | DE19960491A1 Vorrichtung und Verfahren zur Steuerung des Antriebs einer Fördereinrichtung Apparatus and method for controlling the drive of a conveyor device |
| 07/05/2001 | DE10065190A1 Motorsteuervorrichtung für ein elektrisches Servolenkungssystem Motor control apparatus for an electric power steering system |
| 07/04/2001 | EP1113570A1 Modular transformer for use with multi-level power converter |
| 07/04/2001 | EP1112196A1 Method for controlling a power drive system |
| 07/03/2001 | US6255798 Control apparatus for electric vehicle |
| 06/28/2001 | WO2001047098A1 Energy conserving motor controller |
| 06/28/2001 | US20010005121 Motor controller for electric power steering system |
| 06/27/2001 | EP1111766A1 Controller for pwm/pam motor, air conditioner, and method of motor control |
| 06/27/2001 | EP1110301A1 Method for controlling a current-regulated motor |
| 06/27/2001 | CN1067817C Driving apparatus of switched reluctance motor |
| 06/26/2001 | US6252367 Servo controller |
| 06/21/2001 | WO2001045275A2 A power control device and the method therefor |
| 06/21/2001 | WO2001044662A1 Temperature control device of liquid cooling device |
| 06/21/2001 | WO2001044083A1 Process for switching between mains supply and a frequency inverter and vice versa for an escalator drive |
| 06/13/2001 | EP1107448A2 Motor control device |
| 06/13/2001 | EP1107445A1 Method for delivering of power to a polyphase motor |
| 06/13/2001 | CN1299184A Vector controller for induction motor |
| 06/12/2001 | US6246209 Control device for alternating current motor |
| 06/07/2001 | WO2001041293A1 Method and apparatus for deriving characteristics of a utility signal in an ac machine drive system |
| 06/07/2001 | WO2001041292A1 Method and apparatus for switching an ac machine between a drive and a power supply |
| 06/07/2001 | WO2001041291A1 Inverter controller |
| 06/07/2001 | US20010002784 Motor control device |
| 06/07/2001 | DE19952572A1 Motorische Antriebseinheit mit einer elektronischen Steuerungseinrichtung für Verstelleinrichtungen in Kraftfahrzeugen sowie Verfahren zur Steuerung der Antriebseinheit Motor drive unit with an electronic control device for adjusting devices in motor vehicles, and methods for controlling the drive unit |
| 06/06/2001 | CN1298220A Ultrahigh speed permanent-magnetic rotary electric machine system |
| 06/05/2001 | US6242885 Method for estimating induced electromotive force and speed of induction motor, method for correcting misalignment of shaft thereof, and induction motor controller |
| 06/05/2001 | US6242884 Dual stator winding induction machine drive |
| 06/05/2001 | CA2172712C Improvement in the electronic control arrangement for motor-driven refrigeration compressors |
| 05/30/2001 | EP1104086A1 Very high speed permanent magnet type electric rotating machine system |
| 05/30/2001 | EP1103409A2 Controller and control method for motor/generator |
| 05/30/2001 | CN1297281A Control circuit of AC motor |
| 05/23/2001 | CN1296095A 电动洗衣机 Electric washing machine |
| 05/23/2001 | CN1066299C Method and apparatus for direct torque control of induction machine |
| 05/23/2001 | CN1066297C Vector control method for motor and vector control veverse transformation device |
| 05/22/2001 | US6236583 Inverter and motor |
| 05/22/2001 | US6233996 Driving mechanism for industrial installations, in particular for primary industry installations |
| 05/17/2001 | WO2001010001A3 Demagnetization-protected permanent magnet ship propulsion system |
| 05/16/2001 | EP1100191A2 Inverter control apparatus and method for controlling an inverter |
| 05/16/2001 | CN1065994C Control device for permanent magnet type synchro motor |
| 05/15/2001 | US6232731 Multi-channel motor winding configuration and pulse width modulated controller |
| 05/10/2001 | WO2001033688A1 Synchronous motor with an electronic control for adjustment devices in motor vehicles and method for controlling them |
| 05/09/2001 | CN1294770A Electric motor or generator |
| 05/09/2001 | CN1294447A control system of induction motor |
| 05/09/2001 | CN1065689C Inverter driving circuit for brushless D.C motor |
| 05/09/2001 | CN1065686C Power converter and power converting method |
| 05/08/2001 | US6229719 Method of inverter control and apparatus of the same |
| 05/08/2001 | US6229278 Voltage and current limiting method and apparatus for a voltage/frequency drive |
| 05/02/2001 | CN1293832A Solid state motor starter with energy recovery |
| 05/02/2001 | CN1065375C Harmonic current attenuation device for electric motor |
| 05/02/2001 | CN1065374C Harmonic current attenuation apparatus for electric motor |
| 05/01/2001 | US6225774 Motor control method and motor control system |