| Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284) |
|---|
| 11/26/1997 | CN1036558C high-efficiency power supply contorl appts.f or variable-speed induction motor |
| 11/19/1997 | EP0808016A1 PWM inverter apparatus |
| 11/19/1997 | EP0807546A1 Electric vehicle power supply |
| 11/19/1997 | CN1165594A Digital pulse width modulator with integrated test and control |
| 11/19/1997 | CN1165426A Current command type PWM (pulse width modulation) inverter apparatus |
| 11/18/1997 | US5689170 Fail-safe control apparatus for electric vehicle driving motor |
| 11/18/1997 | US5689166 Method and apparatus for controlling hybrid excitation type permanent magnet synchronous motor |
| 11/12/1997 | CN1164939A Bridge power converter |
| 11/11/1997 | US5686807 Torque control system for AC motor |
| 11/06/1997 | WO1997041634A1 Method for controlling current of ac servo motor |
| 11/05/1997 | CN1164144A Method and equipment for controlling converter |
| 11/04/1997 | US5684377 Apparatus for controlling an input power to an induction motor |
| 11/04/1997 | US5684376 Solid state motor speed control |
| 11/04/1997 | US5682634 Method and device for controlling speed of a washing machine motor |
| 10/29/1997 | CN1163510A Method and apparatus for controlling invertor |
| 10/28/1997 | US5682091 Digital power optimization system for polyphase AC induction motors |
| 10/15/1997 | EP0800951A1 Power output apparatus and method of controlling the same |
| 10/15/1997 | EP0800718A1 Apparatus and method for starting a synchronous machine |
| 10/15/1997 | CN1162216A Pulse-width modulation control system for electric power converter |
| 10/14/1997 | US5677611 Control apparatus for an electric vehicle |
| 10/14/1997 | US5677610 Control apparatus for electric vehicles |
| 10/14/1997 | US5677606 Device and method for detecting unbalanced condition in a load driven by a motor |
| 10/08/1997 | EP0800265A2 Process and apparatus for direct torque control of an induction machine |
| 10/08/1997 | CN1161588A Method and apparatus for protecting switching element of inverter from being overheated |
| 10/07/1997 | US5675223 Circuit board unit for driving and controlling motor that drives compressor for air-conditioner |
| 10/07/1997 | CA2092946C Three-level three-phase inverter apparatus |
| 10/01/1997 | EP0798856A1 Impulse generator circuit |
| 10/01/1997 | EP0798848A1 Current control method of servomotor |
| 10/01/1997 | EP0798847A1 Frequency converter for AC motor |
| 09/30/1997 | US5672950 Voltage, phase and frequency control by miniature inverter system |
| 09/25/1997 | WO1997035380A1 Digital power optimization system for induction motors |
| 09/17/1997 | CN1159675A Inverse transformer, leakage-proof device and method for preventing leakage of driven load of inverse transformer |
| 09/04/1997 | WO1997031798A1 Regulator device for an asynchronous machine used in particular as a drive for electric vehicles |
| 09/04/1997 | DE19608039A1 Regelungsvorrichtung für eine Asynchronmaschine, insbesondere als Antrieb für Elektrofahrzeuge Control apparatus for an asynchronous machine, in particular as a drive for electric vehicles |
| 09/03/1997 | EP0793338A1 Method for controlling current of servomotor |
| 09/03/1997 | EP0793337A2 Electrical angle detecting device and synchronous motor drive device |
| 09/03/1997 | EP0793335A2 Pulse width moldulation control system for electric power converter |
| 09/02/1997 | US5663858 Method for fault correction in a power converter circuit arrangement |
| 09/02/1997 | US5663627 Control apparatus for controlling motor of air conditioner |
| 09/02/1997 | US5663626 Applied-voltage fuzzy control process for induction motors and device for performing it |
| 08/27/1997 | EP0792008A2 Method and apparatus for protecting switching element of inverter from being overheated |
| 08/27/1997 | CN1157865A Sewing machine cotrol device |
| 08/26/1997 | US5661380 Method and apparatus for operating an electric vehicle drive system during periods of sensor malfunction |
| 08/21/1997 | WO1997030510A1 Direct torque control inverter arrangement |
| 08/20/1997 | EP0790701A2 Apparatus and method for controlling torque of induction motor through vector control type inverter |
| 08/19/1997 | US5659235 Drive controller and control method for electric vehicle |
| 08/19/1997 | US5659233 Controller for controlling motor transferring power between a plurality of power sources |
| 08/14/1997 | WO1997029541A1 Digital power optimization system for ac induction motors |
| 08/12/1997 | US5656913 Microcomputer for driving induction motor |
| 08/12/1997 | US5656912 Method and apparatus for controlling a motor |
| 08/12/1997 | US5656911 Circuit for driving permanent-magnet synchronous motor using proportional controller |
| 08/12/1997 | US5655380 For controlling speed of an electrical motor in a temperature control system |
| 08/06/1997 | EP0788222A1 Current-controlled pwm inverter for motor control |
| 08/06/1997 | EP0788220A1 Inverter to supply an electric traction motor in a vehicle |
| 08/06/1997 | EP0787620A2 Electric vehicle controller |
| 08/06/1997 | CN1156522A Improved EMI filter topology for power inverters |
| 08/05/1997 | US5654882 Power converter and air conditioner using same |
| 08/05/1997 | US5654624 Method of starting an asynchronous machine |
| 07/29/1997 | US5652701 Inverter operation command apparatus |
| 07/22/1997 | US5650709 Variable speed AC motor drive for treadmill |
| 07/22/1997 | US5650706 Control device for salient pole type permanent magnet motor |
| 07/22/1997 | US5650697 Motor unit, motor drive unit, fan unit and method of controlling the motor drive unit |
| 07/16/1997 | CN1154308A Electric vehicle control system |
| 07/09/1997 | EP0783203A1 Bridge power converter |
| 07/03/1997 | WO1997023727A1 Motor |
| 07/02/1997 | EP0782245A2 Three-phase bridge rectifier |
| 07/01/1997 | US5644206 Control unit for induction motor |
| 07/01/1997 | US5644205 Asynchronous motor power supply control system |
| 06/25/1997 | EP0780960A1 Electric leakage preventive apparatus and method |
| 06/25/1997 | CN1152975A Load-commutated synchronous motor drive |
| 06/05/1997 | WO1997020381A1 Current modulation motor controller |
| 05/28/1997 | EP0775384A1 Digital pulse width modulator with integrated test and control |
| 05/27/1997 | US5632469 Electric hoist with speed control, a protective housing and a swivelable circuit board in the housing |
| 05/21/1997 | EP0774830A1 Apparatus for controlling a compressor in a cooling system |
| 05/21/1997 | EP0774829A2 Circuit with a digital controller for operating a synchronous motor |
| 05/20/1997 | US5631819 Power converter |
| 05/20/1997 | US5631813 Regenerative AC/DC/AC power converter for a plurality of motors |
| 05/13/1997 | US5629597 Control unit for induction motor and control method therefor |
| 05/13/1997 | US5629592 Electric vehicle control device in both an alternating current section and a direct current section |
| 05/13/1997 | US5629590 Rotational drive control device for variable speed drive motor |
| 05/07/1997 | DE19644433A1 Control equipment for electric vehicle power converter |
| 05/02/1997 | EP0770282A1 Direct a.c. converter |
| 04/30/1997 | CN1148753A Controlling system for permanent-magnet synchronous electric motor |
| 04/30/1997 | CN1034783C Method for controlling of operation of compressor |
| 04/29/1997 | US5625550 Apparatus used with AC motors for compensating for turn on delay errors |
| 04/29/1997 | US5625542 Low-noise operation of a machine fed by a pulse inverter |
| 04/23/1997 | EP0769221A1 Load-commutated synchronous motor drive |
| 04/23/1997 | CN1148014A Control system for electric vehicle |
| 04/22/1997 | US5623192 Apparatus for carrying out current control for variable speed driver and method for carrying out current control therefor |
| 04/16/1997 | CN1147725A Circuit arrangement for powering load |
| 04/15/1997 | US5621292 Servo amplifier and servo system which reduce cable interface |
| 04/10/1997 | WO1997013318A1 Motor controller |
| 04/09/1997 | EP0766886A1 Method of stepwise voltage control for supplying an induction motor |
| 04/08/1997 | CA2036026C Electric motor controller with bypass contactor |
| 04/02/1997 | CN1034457C Rotational speed control device for an ac motor |
| 04/01/1997 | US5617308 Noise-immune, clamped, resonant link inverter |
| 03/27/1997 | WO1997011525A1 Current control method of servomotor |
| 03/27/1997 | DE19636723A1 Electric AC motor with variable speed |
| 03/26/1997 | EP0764359A1 Improved emi filter topology for power inverters |
| 03/25/1997 | US5615102 Inverter apparatus and method of operation therefor |