| 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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| 01/09/2003 | US20030005714 Drive unit for variable displacement electric compressor |
| 01/08/2003 | CN1389737A Method and apparatus for phase current of inverted amplifier control apparatus using single sensor |
| 01/07/2003 | US6505132 High-precision instantaneously generated torque detection device for three-phase motor |
| 01/07/2003 | US6504336 Motor controller for electric power steering system |
| 01/02/2003 | US20030002998 Compressor with built-in motor, and mobile structure using the same |
| 01/02/2003 | US20030002309 Resonant inverter apparatus |
| 01/02/2003 | US20030002298 Power conversion device |
| 01/02/2003 | US20030001536 Motor control apparatus |
| 01/02/2003 | US20030000801 Process for switching between mains supply and a frequency inverter and vice versa |
| 01/02/2003 | EP1271071A1 Method of controlling preheating power and mechanism for providing preheating |
| 01/02/2003 | EP1269621A1 Method for the low-loss control of an asynchronous motor |
| 01/02/2003 | EP1268323A1 Process for switching between mains supply and a frequency inverter and vice versa for an escalator drive |
| 01/02/2003 | DE20216775U1 Multiphase motor with rubbing ring rotor supplying transport unit has two current supplies and variable rotation speed drive |
| 01/01/2003 | CN1097756C Regulating method of rotary machinery and its servo system and rotavy machinery with the same system |
| 12/31/2002 | US6501244 Method and apparatus for controlling a high-speed AC permanent magnet synchronous motor coupled to an industrial turbo engine |
| 12/31/2002 | US6501243 Synchronous motor-control apparatus and vehicle using the control apparatus |
| 12/27/2002 | WO2002103889A1 Method for coupling inverter to alternating voltage |
| 12/26/2002 | US20020195286 Power conversion apparatus and mobile object incorporating thereof |
| 12/24/2002 | US6498452 Starting procedure of open-loop vector control in synchronous machine |
| 12/19/2002 | WO2002101915A1 Induction motor control system |
| 12/19/2002 | US20020191427 Inverter device with improved current detector |
| 12/19/2002 | US20020190685 Induction motor control system |
| 12/19/2002 | US20020190672 Control system of electric motor |
| 12/19/2002 | US20020189905 Switch over from the mains supply to a frequency converter by a phase correction process for an escalator drive |
| 12/18/2002 | CN1096632C Pulse width modulation control which data transfer is inhibited by overflow signal |
| 12/17/2002 | US6496397 Inverter device |
| 12/17/2002 | US6495980 Apparatus and method for sensing laundry amount in a washing machine |
| 12/12/2002 | WO2002065139A3 Sensorless determination of initial rotor position in a synchronous motor |
| 12/12/2002 | US20020185991 Air conditioning apparatus |
| 12/11/2002 | EP1264393A1 Apparatus for continuously variable speed electric motor applications |
| 12/11/2002 | EP0783203B1 Bridge power converter |
| 12/11/2002 | CN1384595A AC motor controller |
| 12/11/2002 | CN1096141C Speed controlling method for switch reluctance motor |
| 12/10/2002 | US6492790 Driving system for driving AC motor |
| 12/10/2002 | US6492789 Method and apparatus for controlling a high-speed AC permanent magnet synchronous motor coupled to an industrial turbo engine |
| 12/10/2002 | US6492788 Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator |
| 12/05/2002 | US20020181577 Configuration fuses for setting PWM options |
| 12/05/2002 | US20020180545 Processor with pulse width modulation generator with fault input prioritization |
| 12/05/2002 | US20020180402 Drive control apparatus and method of alternating current motor |
| 12/05/2002 | US20020180398 Driving equipment for synchronous motors |
| 12/05/2002 | DE10214633A1 Verfahren zum Abschätzen der Spannung einer Gleichstrom-Hauptleitung in Elektromaschinen-Antrieben A method for estimating the voltage of a DC main line into electric machine drives |
| 12/04/2002 | EP1263125A2 Drive control apparatus and method of alternating current motor |
| 12/04/2002 | EP1263124A2 Vector control method and system for a synchronous motor |
| 12/04/2002 | CN1383260A Control system, observer and control method of induction motor without speed sensor |
| 12/04/2002 | CN1383245A Converter protector |
| 12/03/2002 | US6489742 Efficiency maximizing motor controller and method |
| 11/28/2002 | US20020175644 Multilevel dc link inverter |
| 11/28/2002 | DE10122004A1 controlling single-phase AC motors involves selecting predefined number of at least half waves of mains voltage per preselectable time interval to control revolution rate of motor |
| 11/26/2002 | US6486632 Control device for motor/generators |
| 11/21/2002 | WO2002093730A1 Charge and discharge control device |
| 11/21/2002 | US20020171389 Motor control device |
| 11/19/2002 | US6483271 Motor drive parameters |
| 11/19/2002 | US6483266 Sensorless motor driving apparatus |
| 11/14/2002 | US20020167300 Method for measuring phase current for inverter control apparatus using single current sensor and apparatus therefor |
| 11/14/2002 | US20020167289 Control apparatus for alternating-current motor |
| 11/14/2002 | DE10120705A1 Ansteuerung für Halbbrücke Control for half-bridge |
| 11/13/2002 | EP1257049A2 Control apparatus for alternating-current source |
| 11/13/2002 | CN1379520A Motor control device and mixed type vehicle control device |
| 11/13/2002 | CN1094267C 感应电动机的控制系统 Induction motor control system |
| 11/12/2002 | US6479955 Method of energizing a polyphase motor having an increased energy efficiency |
| 11/07/2002 | WO2002089308A1 Control for a half-bridge |
| 11/07/2002 | US20020163319 Control apparatus for electric motor |
| 11/07/2002 | US20020162726 Process for switching between main supply and a frequency inverter and vice versa for an escalator drive |
| 11/05/2002 | US6476571 Multiple power source system and apparatus, motor driving apparatus, and hybrid vehicle with multiple power source system mounted thereon |
| 11/05/2002 | CA2199080C Method and apparatus for direct torque control of a three-phase machine |
| 10/31/2002 | WO2002087065A1 Motor controller |
| 10/31/2002 | US20020159791 Systems and methods for reducing banding artifact in electrophotograhic devices using drum velocity control |
| 10/31/2002 | US20020157408 Air conditioning systems and methods for operating the same |
| 10/30/2002 | EP1142098B1 Method and device for controlling deceleration in an induction machine |
| 10/30/2002 | CN1093608C Well pumping equipment |
| 10/29/2002 | US6472844 Single-phased powered drive system |
| 10/24/2002 | US20020153857 Driving device for synchronous motor |
| 10/24/2002 | DE10211693A1 Allzweckinduktionsmotor, der für eine Vielzahl von Bauarten von Wechselstromleistungsversorgungen geeignet ist General purpose induction motor which is suitable for a variety of types of AC power supplies |
| 10/23/2002 | EP1251632A2 Circuit for generating three-phase PWM signal |
| 10/23/2002 | CN1375922A 感应电动机 Induction motor |
| 10/22/2002 | US6469469 Variable output induction motor drive system |
| 10/17/2002 | US20020149342 Electric motor controller |
| 10/17/2002 | US20020149337 Method and a device for controlling and regulating an alternating current rotating electrical machine, in particular a synchronous alternating current rotating electrical machine |
| 10/17/2002 | US20020149335 Rotor angle detecting apparatus for DC brushless motors |
| 10/17/2002 | US20020149330 Motor control apparatus |
| 10/16/2002 | CN1375125A Method of controlling AC motor and controller |
| 10/16/2002 | CN1375124A Initial magnetic pole estimating device for AC synchronous motor |
| 10/16/2002 | CN1374752A 电动机控制装置 Motor control means |
| 10/16/2002 | CN1374751A Starting control method and control apparatus for synchronous motor and its application |
| 10/15/2002 | US6465978 Dynamic motor drive torque control based on power switching device temperature feedback |
| 10/10/2002 | US20020147530 Control apparatus for electric motor and control apparatus for hybrid vehicle |
| 10/10/2002 | US20020145401 Motor driver circuit and method of controlling the motor driver circuit |
| 10/10/2002 | US20020145343 General-purpose induction motor adaptable for a plurality of types of AC power supply |
| 10/10/2002 | DE10206156A1 Motorregelungsvorrichtung Motor control device |
| 10/09/2002 | EP1247687A2 Control apparatus for electric motor and control apparatus for hybrid vehicle |
| 10/09/2002 | EP1246754A2 Ship propulsion system comprising a control that is adapted with regard to dynamics |
| 10/03/2002 | WO2002078168A1 Method of detecting motor current and motor control device |
| 10/03/2002 | WO2002078167A1 Method for estimating magnetic polar position of synchronous motor and its controller |
| 10/03/2002 | US20020143425 Circuit for generating three-phase PWM signal |
| 10/03/2002 | US20020141212 Control apparatus for power converter |
| 10/02/2002 | DE10209802A1 Banderscheinungsartefaktereduzierung bei elektrophotographischen Geräten unter Verwendung von Trommelgeschwindigkeitssteuerung Banding artifacts reduction in electrophotographic devices using drum speed controller |
| 10/02/2002 | DE10112818A1 Verfahren zur Reduzierung der Schaltfrequenz bei verkoppelten Maschinenwindungen elektrischer Drehfeldmaschinen A method for reducing the switching frequency with coupled windings of electrical machines induction machines |
| 10/02/2002 | CN1372715A Demagnetization-protected permanent magnet ship propulsion system |
| 10/01/2002 | US6459380 Semiconductor apparatus with alarm predicting means |
| 09/26/2002 | DE10206410A1 Rotor angle detection apparatus for brushless DC motor, determines sine and cosine reference value from current values detected by current detectors connected to three phase armature, for calculating rotor angle |