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)
01/2004
01/07/2004EP1378990A2 Electric motor controller
01/07/2004EP1378419A2 Electric power steering apparatus
01/06/2004US6674261 Motor control apparatus
01/02/2004EP1376849A1 Method for estimating magnetic polar position of synchronous motor and its controller
01/02/2004EP0836270B1 Method for controlling current of ac servo motor
12/2003
12/31/2003WO2004001953A1 Brushless motor control utilizing independent phase parameters
12/31/2003WO2004001952A1 Elevator control device
12/31/2003WO2004001949A1 Adaptive control architecture for electric machines
12/31/2003WO2004001945A2 Motor control system for adaptive current profile
12/31/2003WO2004001927A2 Active emi filter
12/31/2003CA2483672A1 Adaptive control architecture for electric machines
12/30/2003US6670786 Apparatus for controlling an induction motor
12/30/2003US6670782 Stepping motor driver
12/25/2003US20030234626 Method and regulator based on peak current control for electric machines
12/23/2003US6667598 Circuit for generating three-phase PWM signal
12/23/2003US6667596 Method and device for controlling deceleration in an induction machine
12/23/2003CA2322851C Dual stator winding induction machine drive
12/18/2003WO2003105329A1 Motor drive control with a single current sensor using space vector technique
12/17/2003EP1372247A1 Rotatary electrical machine
12/11/2003WO2003043172B1 Rotor angle estimation for permanent magnet synchronous motor drive
12/10/2003EP1086525B1 Method of minimizing errors in rotor angle estimate in synchronous machine
12/04/2003WO2003100258A1 Dual-shaft vacuum pump
12/04/2003US20030222612 Motor abnormality detection apparatus and electric power steering control system
12/03/2003EP1367690A2 Gas turbine engine and generator directly coupled without reduction gear; Device with electromagnet having amorphous metal core pieces
12/03/2003CN2589870Y Frequency conversion air-conditioner
12/03/2003CN1130006C Method for estimating induced electromotive force and speed of induction motor, method for correcting misalignment of shaft thereof and induction motor controller
12/03/2003CN1129743C Air conditioner
12/02/2003US6657833 Relay welding detector and detecting method
12/02/2003US6657413 Driving equipment for synchronous motors
12/02/2003US6657334 High phase order motor with mesh connected windings
11/2003
11/27/2003WO2003098792A1 Induction motor control method
11/27/2003WO2003097917A1 Method of controlling motor-driven washing machine and control system for the same
11/25/2003US6654262 Inverter with pre-charging capacitor to reduce inrush current
11/18/2003US6650083 Speed control apparatus of synchronous reluctance motor and method thereof
11/18/2003US6650081 Synchronous motor driving system
11/13/2003WO2003094338A1 Method and device for the sensor reduced regulation of a permanent magnet excited synchronous machine
11/13/2003WO2003094337A1 Method and device for the regulation of a permanent-magnet excited synchronous machine having reduced power oscillations in the higher rotational speed range
11/13/2003US20030210009 Pulse width modulated drive system for electronically commutated motors
11/12/2003EP0793338B1 Method for controlling current of servomotor
11/12/2003CN1127642C Air conditioner
11/11/2003US6646898 Resonant inverter apparatus
11/11/2003US6646896 Controller of AC machine
11/11/2003US6646409 Apparatus for controlling rotation speed of motor
11/06/2003US20030206804 Apparatus and method for driving a three-phase compressor from a single-phase electrical power supply
11/05/2003CN1127197C Method and device for controlling speed of a washing machine motor
11/04/2003US6642690 Method for measuring phase current for inverter control apparatus using single current sensor and apparatus therefor
11/04/2003US6642689 Control apparatus for power converter
11/04/2003US6642681 Starting control method of and control apparatus for synchronous motor, and air conditioner, refrigerator, washing machine and vacuum cleaner each provided with the control apparatus
10/2003
10/30/2003US20030201926 Semiconductor device for inverter control and control method
10/30/2003DE20312784U1 Voltage control device for a multiphase ac provision for three phase electric motors uses a phase shift method
10/28/2003US6639379 Electric power steering control system and control method thereof
10/28/2003US6639377 Driving device for synchronous motor
10/23/2003WO2003005530A3 An integrated position resolver for hybrid synchronous electric motors
10/22/2003CN1450716A Converter and control method
10/21/2003US6636788 Control apparatus for electric motor and control apparatus for hybrid vehicle
10/21/2003US6636693 DC motor matrix converter with field and armature circuits
10/21/2003US6636011 Induction motor control system
10/21/2003US6636008 Electric car controller and control method
10/21/2003US6634463 Switch over from the mains supply to a frequency converter by a phase correction process for an escalator drive
10/16/2003WO2003085797A2 Device for the inductive transmission of electric power
10/16/2003US20030193253 Driving method and system for electrical rotating machine having two rotors using compound current
10/16/2003DE10215236C1 Vorrichtung zur induktiven Übertragung elektrischer Energie Device for inductive transmission of electrical energy
10/16/2003CA2481442A1 Device for the inductive transmission of electric power
10/15/2003EP1352458A2 System and method to eliminate the dead time influence in a pwm-driven system
10/14/2003US6633151 Electric vehicle drive system
10/09/2003WO2003084050A1 Sensorless controller of ac motor and control method
10/09/2003WO2003084049A1 System and method for controlling a permanent magnet electric motor
10/08/2003EP1351377A2 Driving method and system for electrical rotating machine having two rotors using compound current
10/08/2003EP1351374A2 Drive of an electric machine with two rotors
10/08/2003EP1350665A2 Control apparatus and method for at least one electrical rotating machine using compound current
10/08/2003CN2579079Y Motor driver of washing machine
10/07/2003US6630804 Driving apparatus, power output apparatus, and control method
10/02/2003US20030184245 Drive of rotary electric machine
10/02/2003US20030184243 Control apparatus and method for at least one electrical rotating machine using compound current
10/02/2003CA2379732A1 System and method for controlling an electric motor
10/01/2003CN1445922A Speed search device of induction motor and its method
10/01/2003CN1445921A Conversion equipment for controlling AC motor
09/2003
09/30/2003US6628099 Synchronous motor driving system and sensorless control method for a synchronous motor
09/30/2003US6626279 Process for switching between main supply and a frequency inverter and vice versa for an escalator drive
09/30/2003US6626002 Controller for PWM/PAM motor, air conditioner, and method of motor control
09/25/2003WO2003079535A1 Motor temperature estimator and motor controller
09/25/2003WO2003079534A1 Ac motor vector control method and ac motor
09/25/2003US20030178965 Stepping motor driver
09/25/2003US20030178245 Electric power steering apparatus and control method therefor
09/24/2003EP1347568A2 Stepping motor driver
09/24/2003EP1240712B1 Method for operating asynchronous motors and corresponding device
09/24/2003CN1444793A Drive control for electric drive with secure electrical separation of power element and control element
09/18/2003US20030174523 Drive power supply and fail determination method
09/18/2003US20030173930 Rotation speed search apparatus for induction motor and method thereof
09/18/2003US20030173921 Motor control device
09/17/2003EP1345315A1 Method for correcting estimate of speed of induction motor and its device
09/17/2003EP1345313A1 Method for controlling an AC motor and AC motor with circuitry for carrying out the method
09/17/2003EP1345312A2 Inverter device for ac motor control
09/17/2003EP1142097B1 Prime mover for operating an electric motor
09/17/2003CN1442948A 参数设定装置 Parameter setting means
09/12/2003WO2003075447A1 Method and apparatus for controlling fan motor
09/11/2003US20030169012 Method of controlling a motor and device therefor
09/10/2003CN1441994A Inverter device and current limiting method therefor
09/10/2003CN1441908A Method for measuring motor constant of induction motor
09/09/2003US6617821 Method and apparatus for compensating for device dynamics by adjusting inverter carrier frequency
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