| 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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| 04/21/2004 | CN1490929A Driver of three-phase inductive motor and method thereof |
| 04/20/2004 | US6724169 Controller for power device and drive controller for motor |
| 04/20/2004 | US6724168 Apparatus and method for controlling rotation speed of synchronous reluctance motor |
| 04/20/2004 | US6724162 Motor-control device enabling the rotational speed of the motor's rotor to be measured |
| 04/15/2004 | US20040070364 System for controlling motor and method for the same |
| 04/15/2004 | US20040070362 Position sensorless control algorithm for AC machine |
| 04/15/2004 | US20040070360 Amplitude detection method and apparatus for high frequency impedance tracking sensorless algorithm |
| 04/15/2004 | DE10042624B4 Dreipegel-Wechselrichter-Vorrichtung Three-level inverter device |
| 04/14/2004 | EP1407538A1 Method and device for shutting down a drive comprising a matrix converter, during a mains failure |
| 04/14/2004 | CN1489822A Method and apparatus for encoderless operation of permanent magnet synchronous motor in an elevator |
| 04/14/2004 | CN1489278A Motor control system and method |
| 04/14/2004 | CN1489276A Control device for alternating-current motor |
| 04/14/2004 | CN1145577C Automatic calibration of current regulator control compensation for elevator motor drvice with locked rotor |
| 04/08/2004 | US20040067050 PSC motor system for use in HVAC applications |
| 04/08/2004 | US20040066205 Rotor angle detecting apparatus for DC brushless motor |
| 04/06/2004 | US6718273 Methods for simplified field-oriented control of asynchronous machines |
| 04/06/2004 | US6717318 Electric motor |
| 04/01/2004 | WO2004027973A1 System and method for automatic current limit control |
| 04/01/2004 | US20040061461 Apparatus for controlling permanent-magnet rotary machine |
| 03/31/2004 | EP1404000A1 A compact servo motor |
| 03/31/2004 | EP1402622A1 Method for coupling inverter to alternating voltage |
| 03/30/2004 | US6713986 Controller for air conditioners and heat pumps |
| 03/25/2004 | WO2004025821A2 Position sensor emulator for a wound rotor synchronous motor/ generator |
| 03/25/2004 | WO2004025820A1 Rotation drive device and rotation drive method |
| 03/25/2004 | US20040056627 Input filter for A.C. motor phase current sensing |
| 03/25/2004 | US20040056622 System and method for automatic current limit control |
| 03/24/2004 | EP1401093A2 Position-sensorless motor control method and apparatus |
| 03/23/2004 | US6710569 Motor driving device and motor driving method |
| 03/23/2004 | US6710562 Synchronous motor with an electronic control device for adjusting devices in motor vehicles and method for controlling them |
| 03/18/2004 | US20040052217 Position sensor emulator for a synchronous motor/generator |
| 03/18/2004 | US20040052125 Circuit for use with switched reluctance machines |
| 03/18/2004 | US20040052097 Inverter device and current limiting method therefor |
| 03/18/2004 | US20040052096 Pulse width modulation controller and method |
| 03/18/2004 | US20040051495 Position-sensorless motor control method and apparatus |
| 03/18/2004 | DE4242560B4 Vorrichtung zum Erfassen eines Überstroms A device for detecting an overcurrent |
| 03/17/2004 | EP1398871A1 Motor controller and control method thereof |
| 03/17/2004 | EP1398870A1 Four quadrant switched reluctance drive |
| 03/17/2004 | CN1482734A Air-conditioning apparatus |
| 03/17/2004 | CN1482733A Electric motor control device |
| 03/16/2004 | US6707406 Semiconductor device for inverter control and control method |
| 03/16/2004 | US6707277 Method of controlling claw-pole synchronous machine |
| 03/16/2004 | US6707266 Motor control device |
| 03/16/2004 | US6707265 Rotor angle detecting apparatus for DC brushless motors |
| 03/11/2004 | WO2004021557A1 Vector control method and controller of synchronous motor |
| 03/11/2004 | WO2004021556A1 Controller for synchronous motor |
| 03/11/2004 | WO2004021376A1 Method for the wireless and contactless transport of energy and data, and corresponding device |
| 03/11/2004 | DE10240080A1 Verfahren zum draht- und berührungslosen Energie- und Datentransport und zugehörige Vorrichtung A method for wireless and contactless energy and data transport and associated apparatus |
| 03/10/2004 | CN1481604A Method for correcting estimate of speed of induction motor and its device |
| 03/10/2004 | CN1141780C Three-stage dc-to-ac inverter |
| 03/09/2004 | US6703807 Method and apparatus for controlling starting of synchronous motor and electric pump for controlling working fluid of motor vehicle driving system using the apparatus |
| 03/04/2004 | WO2004019477A2 Input filter for a.c. motor phase current sensing |
| 03/03/2004 | EP1064718B1 Method of correcting flux midpoint influx-controlled alternating current systems |
| 03/02/2004 | US6700762 Filter-switched drive operating mode control |
| 03/02/2004 | US6700400 Constant detecting apparatus for brushless DC motor, control apparatus for brushless DC motor, and program for detecting constant of brushless DC motor |
| 03/02/2004 | US6700343 Motor controller |
| 03/02/2004 | CA2140065C Solid state motor speed control |
| 02/26/2004 | US20040036441 Method and device for correcting estimated speed of induction motor and its device |
| 02/26/2004 | US20040036440 Switched reluctance motor and initial activating method thereof |
| 02/25/2004 | EP1391980A2 Method for starting a switched reluctance motor |
| 02/25/2004 | CN1477766A Opening/closing reluctance motor and initial driving method |
| 02/24/2004 | US6696812 Control apparatus for electric motor |
| 02/19/2004 | WO2004015851A2 Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level ac drive inverter bridge |
| 02/18/2004 | CN1139181C Motor controller |
| 02/18/2004 | CN1139178C Circuit and method for reducing current extracted during motor starting |
| 02/12/2004 | US20040027760 System and method to eliminate the dead time influence in a pwm-driven system |
| 02/12/2004 | DE20315121U1 Integrated control for an induction motor has parallel and series rectifiers and a dc energy store |
| 02/12/2004 | DE10236377A1 Verfahren zur Fehlererkennung bei einer Antriebseinrichtung Method for detecting faults in a drive mechanism |
| 02/10/2004 | US6690593 Power inverter designed to minimize switching loss |
| 02/10/2004 | US6690587 Apparatus and method of suppressing low speed ripple current of a single-phase inverter |
| 02/10/2004 | US6690137 Sensorless control system for synchronous motor |
| 02/05/2004 | WO2004012326A1 Global closed loop control system with dv/dt control and emi/switching loss reduction |
| 02/05/2004 | WO2004011807A1 Driver of compressor and refrigerator |
| 02/05/2004 | WO2003085797A3 Device for the inductive transmission of electric power |
| 02/04/2004 | EP1387459A1 Fault detection method for a drive assembly |
| 02/04/2004 | CN1473391A Phase current detection method, inverter control method, motor control method, and apparatus used in these methods |
| 02/03/2004 | US6687139 Inverter control apparatus |
| 02/03/2004 | US6685438 Apparatus and method for controlling operation of reciprocating compressor |
| 02/03/2004 | US6684639 Combustion turbine power generation system and method of controlling the same |
| 01/29/2004 | DE10255890A1 Motoranormalitäts-Detektionsgerät und elektrisches Servolenksteuersystem Motoranormalitäts detection device and electric power steering control system |
| 01/28/2004 | EP1384310A1 Control for a half-bridge |
| 01/27/2004 | US6683799 Inverter protecting apparatus |
| 01/27/2004 | US6683428 Method for controlling torque in a rotational sensorless induction motor control system with speed and rotor flux estimation |
| 01/27/2004 | US6682310 Apparatus and method for controlling operation of reciprocating motor compressor |
| 01/22/2004 | US20040012367 Apparatus for controlling brushless motor |
| 01/22/2004 | US20040012353 Motor driving apparatus and motor using the same |
| 01/22/2004 | DE10326869A1 Mehrphasiger kollektorloser Gleichstrommotor Multi-phase brushless DC motor |
| 01/21/2004 | EP0911959B1 Injection molding machine |
| 01/21/2004 | CN1469542A Speed controller for synchronous machine |
| 01/20/2004 | US6680599 System for limitation of the output current from a speed controller |
| 01/15/2004 | US20040008530 Inverter control device and electric vehicle thereof |
| 01/15/2004 | US20040008527 Active EMI filter |
| 01/15/2004 | US20040008006 Apparatus for controlling brushless motor |
| 01/15/2004 | US20040008005 Inverter apparatus |
| 01/14/2004 | EP1380098A1 Vector control of an induction motor |
| 01/14/2004 | CN1467910A Motor driving apparatus and motor using the same |
| 01/13/2004 | US6677724 Initial magnetic pole estimating device for AC synchronous motor |
| 01/13/2004 | US6676400 Control unit of a motor for an injection molding machine |
| 01/08/2004 | WO2004004111A1 Polyphase brushless dc motor |
| 01/08/2004 | US20040003595 Combustion turbine power generation system and method of controlling the same |
| 01/08/2004 | US20040003594 Combustion turbine power generation system and method of controlling the same |