Patents
More topics under "H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils" (111,234)
H02P 1 - Arrangements for starting electric motors or dynamo-electric converters (9,872)
H02P 11 - Arrangements for controlling dynamo-electric converters (580)
H02P 13 - Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output (981)
H02P 15 - Arrangements for controlling dynamo-electric brakes or clutches (470)
H02P 17 - Arrangements for controlling dynamo-electric gears (116)
H02P 21 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation (7,114)
H02P 23 - Arrangements or methods for the control of ac-motors characterised by a control method other than vector control (5,487)
H02P 25 - Arrangements or methods for the control of ac-motors characterised by the kind of ac-motor or by structural details (7,591)
H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779)
H02P 3 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters (5,905)
H02P 31 - Arrangements for regulating or controlling electric motors not provided for in groups , or (487)
H02P 4 - Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different voltage or current supplies (242)
H02P 5 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors (4,788)
H02P 6 - Arrangements for controlling synchronous motors or other dynamo-electric motors with electronic commutators in dependence on the rotor position; Electronic commutators therefor (19,185)
H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097)
H02P 9 - Arrangements for controlling electric generators for the purpose of obtaining a desired output (15,039)
Patents for H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils (267)
01/1998
01/28/1998CN1037221C Inverter control method and apparatus
12/1997
12/31/1997WO1997049977A1 Model-based fault detection system for electric motors
11/1997
11/05/1997CN1164144A Method and equipment for controlling converter
10/1997
10/29/1997CN1163510A Method and apparatus for controlling invertor
10/1996
10/30/1996CN1134393A Oscillation-damping control of motor torque for mine hoist
07/1996
07/31/1996CA2168171A1 Oscillation-damping control of motor torque for mine hoist
07/28/1996CA2168168A1 Device for the automatic connection and disconnection of the starting condenser in single-phase asynchronous electric motors
06/1996
06/19/1996EP0716782A1 Variable speed motor controller
06/05/1996CN1124072A Method and arrangement for controlling an induction motor
05/1996
05/15/1996EP0711470A1 Method and arrangement for controlling an induction motor
01/1996
01/24/1996CN1115518A Inverter control method and apparatus
09/1995
09/08/1995WO1995024073A1 Method and arrangement for controlling an induction motor
09/08/1995CA2161554A1 Method and arrangement for controlling an induction motor
08/1995
08/22/1995US5444344 System for controlling variable frequency driver for AC motor including selectable speed signals
08/10/1995DE19501375A1 Wechselrichter-Steuerverfahren und -vorrichtung Inverter control method and apparatus
04/1995
04/25/1995US5410240 Method and device for open-loop control of single-phase or multiphase A.C. power controllers
03/1995
03/09/1995WO1995006974A1 Variable speed motor controller
03/09/1995CA2170632A1 Variable speed motor controller
09/1994
09/27/1994US5350988 Digital motor controller
06/1994
06/22/1994EP0538387B1 Digital motor controller
04/1994
04/12/1994CA1328498C Method for controlling the torque of a synchronous machine supplied by a frequency converter
09/1993
09/08/1993EP0458794B1 Process and device for controlling single-phase or multiphase a.c. controllers
06/1993
06/02/1993CN1021097C Method and arrangement for controlling single-phase or multiphase ac. current resglator
04/1993
04/28/1993EP0538387A1 Digital motor controller.
06/1992
06/16/1992CA1303667C Elevator motor control
05/1992
05/26/1992CA1301542C Electric starter for igniter cord
01/1992
01/23/1992WO1992001330A1 Digital motor controller
10/1991
10/23/1991EP0267252B1 Frequency converter for the stabilized supply of asynchronous motors
09/1991
09/03/1991CA1288465C Electronic motor controls, laundry machines including such controls and/or methods of operating such controls
08/1990
08/22/1990CN1044879A Method and arrangement for controlling single-phase or multiphase ac current regulator
08/08/1990WO1990009701A1 Process and device for controlling single-phase or multiphase a.c. controllers
06/1990
06/19/1990CA1270518A1 Asynchronous motor regulated supply frequency converter
04/1990
04/24/1990US4920306 Method for controlling the torque of a synchronous machine supplied by a frequency converter
04/17/1990US4918367 Method for controlling the torque of an ac motor
02/1990
02/28/1990CN1006975B Control apparatus for an electric railway rehicle
08/1989
08/15/1989US4857814 Electronic motor controls, laundry machines including such controls and/or methods of operating such controls
04/1989
04/18/1989US4823065 Frequency converter for the stabilized power supply of asynchronous motors
12/1988
12/13/1988US4791346 Elevator motor control
05/1988
05/18/1988EP0267252A1 Frequency converter for the stabilized supply of asynchronous motors.
12/1987
12/03/1987WO1987007455A1 Frequency converter for the stabilized supply of asynchronous motors
09/1987
09/01/1987CA1226330A1 Method and apparatus for determining the flux vector of a rotating-field machine from the stator current and the stator voltage, and the application thereof
08/1987
08/12/1987EP0128182B1 Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller
12/1986
12/03/1986CN86102173A Control apparatus for an electric railway vehicle
04/1986
04/22/1986CA1203565A1 Method and apparatus for controlling the power factor of an induction-motor
04/08/1986US4581568 Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller
03/1986
03/12/1986EP0036424B1 Circuit arrangement for an asynchronous motor drive with variable speed
02/1986
02/25/1986CA1201159A1 System for supression of underdamped oscillations in a.c. power drawn by synchronous motors driving ward leonard generators
12/1985
12/31/1985CA1198769A1 Apparatus and methods for controlling induction motors
05/1985
05/07/1985CA1186726A1 Inverter circuit for operating a speed-controllable asynchronous motor
02/1985
02/12/1985US4499413 Method and apparatus for the control of synchronous motors
12/1984
12/19/1984EP0128182A1 Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller.
12/18/1984US4489261 Method and means for feeding electric energy to a portable power tool
10/1984
10/03/1984EP0120365A1 Method and device for controlling a variable speed asynchronous motor fed by a current converter
06/1984
06/21/1984WO1984002404A1 Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller
04/1984
04/18/1984EP0105855A2 An electric drive system
04/10/1984US4442394 Inverter circuit for operating a speed-controllable asynchronous motor
12/1983
12/27/1983CA1159514A1 Static var generator with overvoltage protection for the switched capacitors thereof
05/1983
05/18/1983EP0079169A1 A power controller
08/1982
08/17/1982US4344514 Electric switch apparatus for automobile power train clutch
02/1982
02/05/1982EP0036424A4 Circuit arrangement for an asynchronous motor drive with variable speed.
09/1981
09/30/1981EP0036424A1 Circuit arrangement for an asynchronous motor drive with variable speed.
07/1981
07/07/1981US4277733 Slip recovery system for wound rotor motor
04/1981
04/16/1981WO1981001084A1 Circuit arrangement for an asynchronous motor drive of controlled stepping
03/1981
03/31/1981US4259620 Low cost, variable speed, constant torque induction motor drive
06/1979
06/12/1979US4158163 Inverter circuit
08/1978
08/29/1978CA1037557A1 Control of rotary-field electric machines
06/1977
06/14/1977US4030006 Speed controllable drive for an asynchronous motor
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