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 21 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
Patents for H02P 21 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation (7,114)
06/1984
06/12/1984US4454461 Apparatus for the control of a salient-pole machine
06/12/1984US4454428 Noise reduction means for a dynamic stabilizer for synchronous machines having torsional oscillations and method
06/07/1984WO1984002235A1 Ac motor control system
06/07/1984WO1984002234A1 Servomotor control system
06/05/1984US4453116 Scalar decoupled control for an induction machine using current control
05/1984
05/23/1984EP0109076A2 Speed control apparatus of polyphase induction motors
05/22/1984US4450398 Microprocessor-based efficiency optimization control for an induction motor drive system
05/08/1984US4447787 Device for the field-oriented operation of a converter-fed asynchronous machine
05/01/1984US4446414 Terminal voltage limit regulator for a load commutated inverter
04/1984
04/25/1984EP0105930A1 Induction motor driving device
04/24/1984US4445080 System for indirectly sensing flux in an induction motor
04/18/1984EP0105511A2 Control method for induction motors
04/10/1984US4442393 Apparatus and method for determining the operation of an induction motor
04/04/1984EP0104909A2 Servomotor control method and apparatus therefor
04/03/1984US4441065 Method and apparatus for determining the rotor resistance of an asynchronous machine
04/03/1984US4441064 Twelve-pulse operation of a controlled current inverter motor drive
04/03/1984CA1164932A1 Method and apparatus for controlling an ac induction motor
03/1984
03/20/1984CA1164047A1 Method and apparatus for determining the rotor resistance of an asynchronous machine
03/15/1984WO1984001063A1 Improved induction motor controller
03/13/1984US4437051 Method and apparatus for controlling induction motor
02/1984
02/14/1984US4431957 Method and apparatus for generating signals representing motor flux in an AC motor
12/1983
12/27/1983US4423367 Device for determining the parameter values for stator resistance, principal inductance and leakage inductance of an asynchronous machine
11/1983
11/29/1983US4418308 Scalar decoupled control for an induction machine
11/23/1983EP0094767A1 Devices for generating three-phase PWM waveforms for control of induction motors
11/10/1983WO1983003929A1 Induction motor driving device
10/1983
10/19/1983EP0091589A2 Apparatus for controlling an induction motor
09/1983
09/21/1983EP0089208A2 A.C. motor drive apparatus
08/1983
08/17/1983EP0085871A1 Method for increasing the maximum speed of a synchronous motor with a given exciting field power and terminal voltage and apparatus therefor
08/10/1983EP0085541A1 Synchronous motor drive apparatus
08/09/1983CA1151724A1 Load state control for an asynchronous machine fed by a converter
07/1983
07/20/1983EP0083945A2 Method and apparatus of controlling induction motors
07/19/1983CA1150368A1 Multiple pulse-width multiplier
06/1983
06/29/1983EP0082303A1 Method and apparatus for controlling induction motor
06/14/1983US4388577 Rotating field machine drive
05/1983
05/17/1983US4384244 Torque control systems of induction motors
05/17/1983US4384242 Speed control systems of synchronous motors
05/11/1983EP0078698A1 AC motor control method and arrangement
04/1983
04/06/1983EP0076029A1 Induction motor torque control system
04/06/1983EP0075794A1 Method of simulating a flux signal for an induction machine and circuit arrangement for carrying out this method
03/1983
03/30/1983EP0075023A1 Method of controlling an ac motor and device thereof
03/16/1983EP0073839A1 Control device for synchronous motor
03/09/1983EP0073504A1 Control systems for AC induction motors
03/02/1983EP0072788A1 Method and apparatus for controlling an ac induction motor
02/1983
02/16/1983EP0071847A2 Method and apparatus for determining the time constant of the rotor of a field orientated induction machine
01/1983
01/26/1983EP0070553A2 Noise reduction means for a dynamic stabilizer for synchronous machines having torsional oscillations
01/05/1983EP0068394A1 Device for determining the operating value of a load, especially the flux of a rotating field machine, from the integral of the load voltage and, optionally, the load current
12/1982
12/29/1982EP0067886A1 Induction motor drive system
12/28/1982US4366428 Asynchronous motor drive
12/01/1982EP0065722A1 Apparatus for controlling a salient pole machine and asimulator circuit for such a machine
11/1982
11/30/1982US4361794 Induction motor drive apparatus
11/30/1982US4361791 Apparatus for controlling a PWM inverter-permanent magnet synchronous motor drive
11/09/1982US4358726 Current type inverter
11/09/1982US4358722 Speed detector using resolver
11/02/1982US4357569 Control device for a synchronous motor
10/1982
10/14/1982WO1982003508A1 Method of controlling an ac motor and device thereof
10/06/1982EP0061647A1 Device for detecting the rotor angle of a synchronous machine
10/06/1982EP0061604A1 Device for controlling the rotation and/or torque of an asynchronous machine by means of a current intermediate circuit converter
10/06/1982EP0061603A2 Method and device for measuring the angle between the flux vector in the air gap and the vector of the stator current of an asynchronous machine fed by a current indirect converter
09/1982
09/30/1982WO1982003301A1 Control system for synchronous motor and device therefor
07/1982
07/22/1982WO1982002461A1 Induction motor drive system
07/06/1982US4338559 Load state control for an asynchronous machine fed by a converter
06/1982
06/15/1982US4335444 Multiple pulse-width multiplier
06/15/1982US4335343 Circuit for generating an electric signal proportional to a flux component of a rotating-field machine
05/1982
05/13/1982WO1982001628A1 Method and apparatus for controlling an ac induction motor
05/12/1982EP0051478A2 Induction motor control system
03/1982
03/24/1982EP0047900A1 Method and apparatus for determining the rotor resistance in an asynchronous electric machine
03/24/1982EP0047893A2 Device for the field-oriented operation of a converter-fed asynchronous machine
03/23/1982US4321516 Apparatus for driving spindles of machine tools with induction motors
03/16/1982US4320331 Transistorized current controlled pulse width modulated inverter machine drive system
02/1982
02/02/1982US4314190 Controlled current inverter with angle command limit
01/1982
01/20/1982EP0043973A1 Rotating-field machine drive consisting of an inverter-controlled rotating-field machine, and a control system for an inverter connected to two alternating voltage integrators and a model computer circuit
01/19/1982US4312031 Apparatus for controlling current type inverters
01/12/1982US4310791 Induction motor control system
12/1981
12/29/1981CA1115392A1 Electrical propulsion process for a traction vehicle with an on-board source of power
10/1981
10/13/1981US4295086 Method and apparatus for dynamic braking in a motor control system
08/1981
08/04/1981US4282473 Rotating field machine drive and method
07/1981
07/23/1981WO1981002076A1 Method and apparatus for controlling an ac induction motor
07/21/1981US4280085 Apparatus and method for providing a signal proportional to flux in an AC motor for control of motor drive current
06/1981
06/23/1981CA1103755A1 Induction motor control system
06/17/1981EP0030462A2 Induction motor drive apparatus
06/09/1981US4272715 System for controlling torque of induction motors
05/1981
05/12/1981US4267499 Method and system for controlling induction motors
04/1981
04/21/1981US4263541 Field control system for controlling induction machines
03/1981
03/31/1981US4259629 Control devices of induction motors
03/31/1981US4259628 Control device of AC motor
03/31/1981US4259620 Low cost, variable speed, constant torque induction motor drive
11/1980
11/26/1980EP0019139A1 Multiple pulse-width multiplier
11/26/1980EP0019138A1 Load-control device for an asynchronous machine fed by a converter
10/1980
10/28/1980US4230979 Controlled current inverter and motor control system
09/1980
09/18/1980WO1980001974A1 Electric drive with asynchronous motor
09/17/1980EP0015501A1 Starting device for the field-oriented control or regulation of an asynchronous machine
09/02/1980CA1084986A1 Method of and system for operating an induction motor
08/1980
08/26/1980CA1084582A1 Adjustable speed a-c motor drive with smooth transition between operational modes and with reduced harmonic distortion
08/12/1980CA1083663A1 Means for stabilizing an a-c electric motor drive system
07/1980
07/29/1980US4215305 Excitation commanding for current fed motor drives
03/1980
03/11/1980CA1073524A2 Torque regulating induction motor control system
03/11/1980CA1073523A1 Method and apparatus for controlling variable speed, controlled current induction motor drive systems
02/1980
02/06/1980EP0007552A1 Circuit for forming a voltage signal which is proportional to a magnetic flux component within a rotating field machine
02/06/1980EP0007550A1 Alternating voltage integrator for producing a voltage signal which is proportional to one flux component in a rotating-field machine; the use of two of such alternating voltage integrators in connection with a rotating-field machine drive, and a method of operating such a drive
09/1979
09/25/1979CA1063166A1 Alternating current motor control method and system
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