| 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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| 05/29/2002 | DE10153332A1 Verfahren zur Steuerung einer Klauenpol-Synchronmaschine Method for controlling a claw-pole synchronous machine |
| 05/29/2002 | DE10055407A1 Die Erfindung betrifft ein Verfahren zum Betreiben eines frequenzumrichtergesteuerten Elektromotors sowie ein Motoraggregat mit integriertem Frequenzumrichtermotor The invention relates to a method for operating a frequency converter the electric motor and an engine unit with integrated frequency converter motor |
| 05/28/2002 | US6396236 Method of minimizing errors in rotor angle estimate in synchronous machine |
| 05/28/2002 | US6396229 Method of estimating a rotor position of synchronous motor, method of controlling synchronous motor with no position sensor and a controller of synchronous motor |
| 05/23/2002 | WO2002041085A2 System and method to eliminate the dead time influence in a pwm-driven system |
| 05/23/2002 | WO2001041292A9 Method and apparatus for switching an ac machine between a drive and a power supply |
| 05/23/2002 | US20020060549 Apparatus for controlling an induction motor |
| 05/23/2002 | US20020060548 Driving system of AC motor |
| 05/23/2002 | US20020060547 Speed control apparatus of synchronous reluctance motor and method thereof |
| 05/23/2002 | US20020060539 Motor-control device enabling the rotational speed of the motor's rotor to be measured |
| 05/23/2002 | DE10140034A1 Sensorloses Vektorsteuersystem für Induktionsmotoren und Verfahren zum Betreiben desselben The same sensorless vector control system of induction motors and method for operating |
| 05/22/2002 | CN1350720A Starting procedure of open-loop vactor control in synchronous machine |
| 05/22/2002 | CN1350364A Apparatus and method for controlling speed for synchronous reluctance motor |
| 05/22/2002 | CN1085182C Current/voltage control apparatus for elevator |
| 05/21/2002 | US6392905 Method and circuit for reducing battery ripple current in a multiple inverter system of an electrical machine |
| 05/21/2002 | US6392376 Electric vehicle motor controller with temperature variation compensation |
| 05/16/2002 | WO2002039575A2 Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator |
| 05/15/2002 | EP1206030A2 Method of running an inverter controlled electric motor and motor arrangement integrating an inverter controlled electric motor |
| 05/15/2002 | EP1206028A2 Driving apparatus, power output apparatus, and control method |
| 05/15/2002 | EP0975829B1 Drive unit for a shaft of a device working in synchrony with the shanks of a mechanical loom to form a leno selvage |
| 05/15/2002 | CN1349301A Electric motor control device able to measuring rotary speed of rotator of electric motor |
| 05/15/2002 | CN1084960C Self-commissioning controller for field-oriented elevator motor/drive system |
| 05/15/2002 | CN1084959C Automatic fine-tuning of rotor time constant and magnetizing current in field-oriented elevator motor drive |
| 05/14/2002 | US6388903 Voltage compensating apparatus and method for 3-phase inverter employing four switches |
| 05/14/2002 | US6388419 Motor control system |
| 05/09/2002 | US20020053891 Phase distortion compensating apparatus and method for reducing torque ripple in 3-phase motor |
| 05/08/2002 | EP1203434A1 Method and apparatus for detecting a failed thyristor |
| 05/08/2002 | EP0916026B1 Process for regulating a unit or a frequency converter |
| 05/08/2002 | DE10140033A1 Sensorloses Vektorsteuergerät und Verfahren für dasselbe A sensorless vector control apparatus and method for the same |
| 05/07/2002 | US6384568 Induction motor driver |
| 05/07/2002 | US6384567 Controller and control method for motor/generator |
| 05/07/2002 | US6384565 Method and apparatus for deriving characteristics of a utility signal in an AC machine drive system |
| 05/02/2002 | WO2002035689A1 High phase order motor with mesh connected windings |
| 05/02/2002 | US20020050800 Sensorless motor driving apparatus |
| 05/02/2002 | US20020050011 Apparatus and method for sensing laundry amount in a washing machine |
| 05/02/2002 | DE10048353A1 Antriebssteuerung für einen elektrischen Antrieb mit sicherer elektrischer Trennung von Leistungsteil und Regelungseinheit Drive control for an electric drive with safe electrical isolation of power unit and control unit |
| 05/01/2002 | CN1347193A 逆变器装置 Inverter means |
| 04/30/2002 | US6380702 Commutator motor control system |
| 04/25/2002 | US20020047682 Method and apparatus for controlling a high-speed AC permanent magnet synchronous motor coupled to an industrial turbo engine |
| 04/25/2002 | US20020047681 Method and apparatus for controlling a high-speed AC permanent magnet synchronous motor coupled to an industrial turbo engine |
| 04/25/2002 | DE10134301A1 Laundry amount sensing device in washing machine, applies d-axis current command signal to current controller, according to driving speed of brushless DC motor |
| 04/23/2002 | US6377018 Speed sensorless vector control apparatus |
| 04/23/2002 | US6377017 Control device for alternating current motor |
| 04/17/2002 | EP1196984A1 Method for torque control of an induction motor using a voltage controller |
| 04/16/2002 | US6373219 Motor control system and motor control method |
| 04/11/2002 | WO2002029967A1 Device for controlling an induction electrical motor power supply |
| 04/11/2002 | US20020041171 Sensorless vector control system of induction motor and method thereof |
| 04/10/2002 | CN1344061A Motor controller having vector control function |
| 04/10/2002 | CN1082745C 永磁无刷电动机初始磁极位置的推断方法 Inference method of permanent magnet brushless motor initial magnetic pole position |
| 04/09/2002 | US6369543 Method for symmetrizing asymmetric faults |
| 04/04/2002 | WO2002027913A1 Drive control for an electric drive with a secure electrical separation of power element and control element |
| 04/03/2002 | CN2484694Y Converter controlling apparatus |
| 03/27/2002 | CN1081847C Method and apparatus for control of pulse width modulation inverter unit |
| 03/26/2002 | US6362593 Apparatus and method for compensating dead time of motor |
| 03/20/2002 | EP1188027A1 Refrigerant compressor driven by variable supply frequency motor |
| 03/20/2002 | EP1060560A4 Motor conroller |
| 03/14/2002 | WO2002020332A1 Method and apparatus for torque control of a machine |
| 03/14/2002 | US20020030465 Motor control device with vector control function |
| 03/14/2002 | DE10047948A1 Motorsteuereinrichtung Motor control means |
| 03/13/2002 | EP1187126A1 Motor control device allowing measurement of the speed of rotation of the rotor |
| 03/13/2002 | EP1186464A2 A control device for motor/generators |
| 03/13/2002 | EP0688094B1 Device and method for controlling motor |
| 03/13/2002 | CN1339871A Vector control system without sensor for inductive motor and method |
| 03/13/2002 | CN1339870A Vector control equipment without sensor and its method |
| 03/13/2002 | CN1080950C Sensorless control method and apparatus of permanent magnet synchronous motor |
| 03/07/2002 | WO2002019495A2 Filter-switched drive operating mode control |
| 03/07/2002 | US20020027789 Control device for motor/generators |
| 03/06/2002 | CN1339196A Method and apparatus for deriving characteristics of utility signal in AC machine drive system |
| 03/06/2002 | CN1339195A Method and apparatus for switching AC machine between drive and power supply |
| 03/06/2002 | CN1338817A Control unit of motor for plastic injection machine |
| 03/06/2002 | CN1080479C Means and device for determining angular velocity of rotor of polyphase machine operated by field orientation without transmitter |
| 03/01/2002 | CA2354326A1 Motor control system |
| 02/28/2002 | US20020024783 Filter-switched drive operating mode control |
| 02/27/2002 | EP1181766A1 Starting procedure of open-loop vector control in synchronous machine |
| 02/26/2002 | US6351397 Protection apparatus and protection method of PWM cycloconverter |
| 02/26/2002 | US6351095 Polyphase induction electrical rotating machine |
| 02/21/2002 | US20020021105 Sensorless vector control apparatus and method thereof |
| 02/20/2002 | EP1180850A2 Control unit of motor for injection molding machine |
| 02/20/2002 | CN1336988A Autonomous inverter driving hydraulic unit |
| 02/19/2002 | US6348775 Drive wave form synchronization for induction motors |
| 02/14/2002 | US20020018823 Control unit of motor for injection molding machine |
| 02/06/2002 | CN1334985A Inverter controller |
| 02/06/2002 | CN1334642A Device for driving electric machine without sensor |
| 02/06/2002 | CN1078976C Method and apparatus for controlling induction motor |
| 02/05/2002 | US6344726 Method of controlling an induction motor |
| 01/31/2002 | US20020012255 Voltage compensating apparatus and method for 3-phase inverter employing four switches |
| 01/31/2002 | DE19509974C2 Verfahren zur Bremsung eines Wechselstrommotors A method for braking an alternating current motor |
| 01/30/2002 | CN1333938A System and method for protecting electric motor and its control circuit, and electric motor |
| 01/24/2002 | WO2002007299A1 Method and circuit for correcting voltage error due to dead band of pwm system voltage type inverter |
| 01/24/2002 | WO2002006843A1 Method for measuring motor constant of induction motor |
| 01/24/2002 | WO2002006076A1 Method for sensorless drive control of an electric vehicle and drive control operating according to said method |
| 01/24/2002 | US20020008492 Motor control apparatus with a current sensor diagnostic apparatus and a current sensor diagnostic method |
| 01/23/2002 | EP1174999A2 Sensorless motor driving apparatus |
| 01/23/2002 | CN1332515A Device and method for voltage compensation of three-phase inverter using four switches |
| 01/22/2002 | US6340851 Modular transformer arrangement for use with multi-level power converter |
| 01/17/2002 | WO2002005415A1 Inverter device and current limiting method therefor |
| 01/17/2002 | US20020005704 Driving system for driving AC motor |
| 01/17/2002 | DE10120639A1 Steuersystem für einen Permanentmagnetmotor A control system for a permanent magnet motor |
| 01/16/2002 | EP1172926A2 Power output device |
| 01/15/2002 | US6339308 Vector control method for synchronous reluctance motor |