| Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284) | 
|---|
| 09/09/2003 | US6617819 Method of controlling preheating power and mechanism for providing preheating | 
| 09/04/2003 | WO2003073598A1 Polyphase induction electrical rotating machine | 
| 09/03/2003 | EP1341296A2 Generating scalable periodic signals | 
| 09/03/2003 | EP1340645A2 Power output apparatus to drive a shaft and method of controlling the same | 
| 09/03/2003 | CN1440118A Electric motor driver and driving method | 
| 09/02/2003 | US6614202 PWM motor drive apparatus with increase of low speed capability | 
| 08/28/2003 | WO2003071670A1 Drive wave form synchronization for induction motors | 
| 08/28/2003 | US20030160583 System and method for estimating rotor position of a permanent magnet motor | 
| 08/27/2003 | EP1339160A1 Current controlling method and apparatus for electric rotating machine | 
| 08/27/2003 | EP1338084A1 Power conversion device | 
| 08/26/2003 | US6611124 Control apparatus of induction motor | 
| 08/21/2003 | US20030155880 Motor driving device and motor driving method | 
| 08/21/2003 | US20030155878 Motor control apparatus and motor control method | 
| 08/21/2003 | US20030155876 Current controlling method and apparatus for electric rotating machine | 
| 08/19/2003 | US6608456 Motor control apparatus | 
| 08/13/2003 | EP1334552A2 Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator | 
| 08/13/2003 | EP1334549A1 High phase order motor with mesh connected windings | 
| 08/13/2003 | CN1436395A Power outputting device and vehicle mounting it, control method, storing medium and program for power outputting device, drive device and vehicle mounting it, and control method | 
| 08/12/2003 | US6605917 Method and a device for controlling and regulating an alternating current rotating electrical machine, in particular a synchronous alternating current rotating electrical machine | 
| 08/07/2003 | WO2003065564A1 Method and device for controlling photovoltaic inverter, and feed water device | 
| 08/07/2003 | US20030146723 Method for controlling torque in a rotational sensorless induction motor control system with speed and rotor flux estimation | 
| 08/07/2003 | US20030146722 Method for operating asynchronous motors and corresponding device | 
| 08/06/2003 | EP1333573A2 Stepping motor driver using vector control | 
| 07/30/2003 | CN1433139A Low-speed pulsating current supressing device and method for single phase inverter | 
| 07/30/2003 | CN1433123A Permanent synchronous motor driving system and its test method | 
| 07/24/2003 | US20030137272 Stepping motor driver | 
| 07/23/2003 | EP1330019A2 Permanent magnet synchronous motor driving system, and method of testing this driving system | 
| 07/23/2003 | CN1431138A Long Narrow object transportion appts. | 
| 07/22/2003 | US6598008 Method of estimating speed of induction motor and magnetic flux of rotor | 
| 07/17/2003 | US20030133314 Apparatus and method of suppressing low speed ripple current of a single-phase inverter | 
| 07/17/2003 | US20030132727 Permanent magnet synchronous motor driving system, and method of testing permanent magnet synchronous motor driving system | 
| 07/15/2003 | US6594162 Inverter device | 
| 07/15/2003 | US6593781 Power semiconductor device | 
| 07/15/2003 | US6593751 Motor insulation fault detection by sensing ground leak current | 
| 07/15/2003 | US6593714 Motor control apparatus with a current sensor diagnostic apparatus and a current sensor diagnostic method | 
| 07/10/2003 | WO2003056694A1 Electrical load apparatus, electrical load control method, and computer-readable record medium with recorded program for enabling computer to control electrical load | 
| 07/10/2003 | US20030128009 Motor control apparatus and method | 
| 07/10/2003 | US20030127289 Method for sensorless drive control of an electric vehicle and drive control operating by the method | 
| 07/08/2003 | US6590793 Electric power supplying apparatus using unstable electric power supply and control method therefor | 
| 07/03/2003 | WO2003055055A1 Inverter | 
| 07/03/2003 | US20030124919 Ship propulsion system comprising a control that is adapted with regard to dynamics | 
| 07/01/2003 | US6586905 Automatic sensing of bypassing of soft starter or controller | 
| 06/26/2003 | US20030117753 Inverter protecting apparatus | 
| 06/25/2003 | EP1320924A1 Drive control for an electric drive with a secure electrical separation of power element and control element | 
| 06/19/2003 | WO2003050341A1 Inverter of washing machine and inverter of washing machine/dryer | 
| 06/19/2003 | US20030112040 Power semiconductor device | 
| 06/18/2003 | DE10151227C1 Circuit for controlling water supply systems, especially domestic or similar local systems, has controller controlling electrical power fed to alternating current motor via rising edge controller | 
| 06/17/2003 | US6580247 Motor control device | 
| 06/13/2003 | CA2364863A1 Inverter | 
| 06/12/2003 | US20030107344 Motor drive circuit | 
| 06/12/2003 | US20030107343 Voltage-controlled starting relay for induction motor | 
| 06/12/2003 | US20030107339 Electric power steering apparatus | 
| 06/11/2003 | EP1317371A1 Method and apparatus for torque control of a machine | 
| 06/10/2003 | US6577096 Sensorless vector control system of induction motor and method thereof | 
| 06/10/2003 | US6577087 Multilevel DC link inverter | 
| 06/05/2003 | US20030102884 Motor controller | 
| 06/05/2003 | US20030102746 Magnetic bearing controller | 
| 06/04/2003 | CN1421992A Tri-phase induction motor driving system and driving method thereof | 
| 06/04/2003 | CN1421991A Start relay for voltage control of induction motor | 
| 06/04/2003 | CN1421653A Idle time compensating method for compressor of air conditioner | 
| 06/03/2003 | US6573849 Semiconductor device having a plurality of AD converters for inverter control of a motor and method thereof | 
| 05/30/2003 | WO2003044939A1 Frequency converter for different mains voltages | 
| 05/29/2003 | US20030098298 Method of controlling preheating power and mechanism for providing preheating | 
| 05/28/2003 | EP1315298A1 System and method for driving three-phase induction motor | 
| 05/28/2003 | EP1315279A2 Voltage-controlled starting relay for induction motor | 
| 05/28/2003 | EP1314239A2 Filter-switched drive operating mode control | 
| 05/27/2003 | US6570778 Adjustable speed drive for single-phase induction motors | 
| 05/27/2003 | US6570358 Control apparatus for alternating-current motor | 
| 05/22/2003 | WO2003043172A1 Rotor angle estimation for permanent magnet synchronous motor drive | 
| 05/22/2003 | WO2003043167A1 Electric motor drive | 
| 05/22/2003 | US20030094919 Inverter control apparatus and motor driving system | 
| 05/21/2003 | EP1313208A2 Motor control apparatus and motor control method | 
| 05/21/2003 | EP1312932A1 Method for measuring motor constant of induction motor | 
| 05/21/2003 | EP0852425B1 Power converter and power converting method | 
| 05/15/2003 | WO2003041260A1 Current ripple reduction by harmonic current regulation | 
| 05/15/2003 | US20030090262 Rotor angle estimation for permanent magnet synchronous motor drive | 
| 05/15/2003 | US20030090232 Current ripple reduction by harmonic current regulation | 
| 05/15/2003 | US20030090231 Motor control apparatus and motor control method | 
| 05/14/2003 | EP1311060A2 Electric car controller and control method | 
| 05/14/2003 | EP1310203A2 Vacuum cleaner reconfigurable between at least two positions | 
| 05/14/2003 | CN1417939A Motor controller and product with the controller | 
| 05/14/2003 | CN1417936A Controller for multiple wound motor | 
| 05/14/2003 | CN1108492C Air conditioner automatically controlling operation based on supply voltage or supply frequency | 
| 05/13/2003 | US6563283 Motor control device | 
| 05/08/2003 | US20030085683 Controller for multiplex winding motor | 
| 05/08/2003 | US20030085678 Electric car controller and control method | 
| 05/07/2003 | CN1416614A PWM cycloconverter and power fault detctor | 
| 05/07/2003 | CN1107847C Method for compensating dead time of compressor in air conditioner | 
| 05/07/2003 | CN1107758C Electrical washing machine | 
| 05/02/2003 | EP1306967A1 Inverter device and current limiting method therefor | 
| 05/02/2003 | EP1306964A1 Control method for an AC-AC matrix converter | 
| 05/01/2003 | US20030079485 Temperature control device of liquid cooling device | 
| 04/29/2003 | US6556458 Inverter device with improved current detector | 
| 04/29/2003 | US6555988 Motor control device | 
| 04/24/2003 | US20030075998 Mesh connected electrical rotating machine with span changing | 
| 04/23/2003 | EP1018212B1 Direct torque control inverter arrangement | 
| 04/23/2003 | CN1106708C Circuit device for powering electric motor | 
| 04/23/2003 | CN1106707C Induction motor system and electric locomotive using d.c. voltage bus power-supply, and its control method | 
| 04/22/2003 | USRE38082 High frequency pulse transformer for an IGBT gate drive | 
| 04/22/2003 | US6552625 Processor with pulse width modulation generator with fault input prioritization |