Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage
Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
04/2003
04/22/2003US6552510 Method for frequency converter
04/17/2003WO2003032482A1 Apparatus for switching windings of ac three-phase motor
04/17/2003WO2003032474A1 A motor control circuit and associated full bridge switching arrangement
04/17/2003US20030071596 Controller for a wound rotor slip ring induction machine
04/17/2003US20030071588 System for driving electric motor
04/16/2003EP1302659A2 Control method for a windmill
04/16/2003EP1301370A1 Method for sensorless drive control of an electric vehicle and drive control operating according to said method
04/16/2003CN1411627A Energy conserving motor controller
04/15/2003US6548984 Power output device
04/10/2003WO2003030348A1 Phase current detection method, inverter control method, motor control method, and apparatuses used in these methods
04/10/2003US20030067278 Drive apparatus, control method for the drive apparatus, storage medium storing a program controlling the drive apparatus, and power output apparatus
04/09/2003EP1300937A2 Air conditioning device
04/09/2003EP1300936A2 Drive apparatus, control method and program storage medium for the drive apparatus, and power output apparatus
04/09/2003CN1409464A Gear motor with frequency converter
04/09/2003CN1409064A Variable frequency air conditioner
04/03/2003US20030062871 Circuit and method for controlling an electric motor
04/02/2003EP1298787A2 Stepping motor controller
04/02/2003EP1298782A2 Inverter air-conditioner
04/02/2003EP1233506A9 Control method and device for a rotating electric ac machine, especially synchronous machine
04/02/2003EP1203434B1 Method and apparatus for detecting a failed thyristor
04/01/2003US6541939 Motor controller
04/01/2003US6541937 Motor control device with vector control function
04/01/2003US6541933 Angle control of modulating wave to reduce reflected wave overvoltage transients
03/2003
03/27/2003US20030058589 Motor power supply line breaking detection method, motor control apparatus and electric power steering mechanism using the same and computer program thereof
03/27/2003US20030057914 Power outputting device and vehicle mounting it, control method, storing medium and program for the power outputting device, drive device and vehicle mounting it, and, control method, storing medium and program for the drive device
03/27/2003US20030057913 Electric power steering control system and control method thereof
03/27/2003US20030057912 Synchronous motor driving system and sensorless control method for a synchronous motor
03/27/2003US20030057911 Stepping motor controller
03/27/2003US20030057904 Process and device for feedback-controlling rotary machines
03/27/2003US20030057782 AC generator-motor apparatus for vehicle
03/26/2003EP1296445A1 Magnetic bearing controller
03/26/2003CN1405971A Motor control device
03/25/2003US6538412 Method for controlling a power drive system
03/25/2003US6537032 Load dependent variable speed hydraulic unit
03/20/2003US20030053323 Power inverter designed to minimize switching loss
03/20/2003US20030052642 Method and apparatus for compensating for device dynamics by adjusting inverter carrier frequency
03/20/2003US20030052641 Motor control apparatus and motor control method
03/20/2003US20030052640 Synchronous motor driving system
03/20/2003US20030052544 Pwm cycloconverter and power fault detector
03/19/2003CN1404214A Step failing out detecting apparatus and method for synchronous motor, driving apparatus for motor
03/18/2003US6534947 Pump controller
03/13/2003WO2002039575A3 Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator
03/13/2003US20030048085 Gear motor with inverter suitable for reducing size and cost
03/12/2003EP1292012A2 Motor power supply line breaking detection method, motor control apparatus and electric power steering mechanism using the same and computer program thereof
03/12/2003EP1292011A2 Motor control for reducing high harmonic currents
03/12/2003CN1402813A Temp. Control device of liquid cooling device
03/11/2003US6531843 Driving system of AC motor
03/06/2003US20030043610 Controller of AC machine
03/06/2003US20030043606 Adjustable speed drive for single-phase induction motors
03/05/2003EP0798848B1 Current control method of servomotor
03/05/2003EP0736234B1 Method and apparatus for transducerless flux, position and velocity estimation in drives for ac machines
03/05/2003CN1400946A Ship propulsion system comprising a control that is adapted with regard to dynamics
03/05/2003CN1400431A Control method and device for reciprocating electrical compressor
03/05/2003CN1400389A Control mechanism and method for reciprocating compressor
03/05/2003CN1400388A Stroke control mechanism and method for reciprocating compressor
03/04/2003US6528966 Sensorless vector control apparatus and method thereof
02/2003
02/26/2003EP1286459A1 Power outputting device and vehicle mounting it, control method, storing medium and program for the power outputting device, drive device and vehicle mounting it, and, control method, storing medium and program for the drive device
02/26/2003EP1286458A1 Method and device to control a rotary power unit
02/26/2003EP1286455A1 Pwm cycloconverter and power fault detector
02/26/2003CN1399402A Motor driver for washing machine
02/25/2003US6525506 Current limit circuit of inverter refrigerator
02/25/2003US6525497 Phase distortion compensating apparatus and method for reducing torque ripple in 3-phase motor
02/22/2003CA2399327A1 Process and device for feedback-controlling rotary machines
02/20/2003WO2003015256A1 Electric motor pole position sensing method, pole position sensing apparatus, and electric motor control apparatus using the same
02/20/2003WO2003015254A1 Motor drive control apparatus
02/19/2003CN1101895C Compressor driving appts.
02/18/2003US6522098 Controller for power device and drive controller for motor
02/13/2003US20030030406 Motor control apparatus
02/13/2003US20030030404 Sensorless control system for synchronous motor
02/13/2003US20030030394 Controller for power device and drive controller for motor
02/12/2003EP1283594A1 Motor controller
02/12/2003EP1282938A1 Motor energisation control circuit
02/12/2003CN1396704A Equipment and method for controlling rotating speed of synchronous magnetic motor
02/11/2003US6518736 Mechanical power outputting apparatus and inverter apparatus
02/11/2003US6518722 Control system, observer, and control method for a speed-sensorless induction motor drive
02/06/2003US20030026703 Apparatus and method for controlling operation of reciprocating compressor
02/06/2003US20030026702 Stroke control apparatus of reciprocating compressor and method thereof
02/06/2003US20030026701 Apparatus and method for controlling operation of reciprocating motor compressor
02/06/2003US20030025475 Apparatus for controlling rotation speed of motor
02/04/2003US6515444 Method for controlling a current-regulated motor
01/2003
01/30/2003US20030021594 DC motor matrix converter with field and armature circuits
01/30/2003US20030020432 Inverter apparatus
01/30/2003US20030020431 Washing machine motor drive device
01/30/2003US20030020429 Motor controller
01/30/2003US20030020428 Motor controller
01/29/2003EP1280266A2 Motor controller
01/23/2003US20030015988 Control system, observer, and control method for a speed-sensorless induction motor drive
01/23/2003US20030015987 Apparatus and method for controlling rotation speed of synchronous reluctance motor
01/22/2003EP1278296A1 Power comversion apparatus and mobile object incorporating thereof
01/22/2003CN1392667A Switch over improving method between power source and frequency converter
01/22/2003CN1392666A Realizing switch over from power source to frequency converter by phase correction for escalator
01/22/2003CN1392664A Motor speed controller
01/22/2003CN1392660A Frequency converter device
01/16/2003WO2003005552A1 Power inverter
01/16/2003WO2003005530A2 An integrated position resolver for hybrid synchronous electric motors
01/16/2003US20030011255 Current detection device
01/15/2003EP1276225A2 Motor control apparatus for reducing higher harmonic current
01/15/2003EP1276223A1 Current detection device
01/15/2003CN1391039A Compressor with built-in motor and moving vehicles therewith
01/09/2003US20030009309 Method of estimating speed of induction motor and magnetic flux of rotor
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