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)
11/1999
11/23/1999US5990658 Apparatus for controlling reflected voltage on motor supply lines
11/23/1999US5990657 Inverter system and control system for electric vehicle
11/23/1999US5990655 Method of operating an inverter for powering an induction motor
11/23/1999US5990654 Apparatus for eliminating motor voltage reflections and reducing EMI currents
11/23/1999US5990639 Phase controller for intermittently supplying an AC motor with electric power
11/18/1999DE19917831A1 Steuervorrichtung für einen Türschließer A control device for a door closer
11/17/1999EP0956641A1 Means and device for determining the angular velocity of a rotor of polyphase machine operated by field orientation without a transmitter
11/17/1999CN1235709A Rotating machine integrated with controller and inverter
11/16/1999US5986428 Method for controlling acceleration/deceleration of an induction motor and a control device
11/09/1999US5982136 Circuit for sensing current in power trains for motor control
11/03/1999EP0954092A2 Drive control apparatus for electric synchronous machine having field winding
11/02/1999US5977742 Electric vehicle control device
10/1999
10/28/1999DE19816046A1 Sicherheitsvorrichtung für einen Antrieb A safety device for a drive
10/27/1999CN1046067C Motor drive unit and method for controlling the motor drive unit
10/26/1999US5973474 Vector control apparatus method for induction motor using magnetic flux observer of full order
10/26/1999US5973461 Method and device for starting and synchronizing a three-phase motor
10/26/1999US5973460 Power output apparatus and method of controlling the same
10/21/1999WO1999053607A1 Method and device for controlling a static converter powering an electrical source
10/21/1999WO1999053588A1 Safety device for a drive mechanism
10/21/1999CA2324882A1 Method and device for controlling a static converter powering an electrical source
10/19/1999US5969966 Power converting apparatus and method using a multiple three-phase PWM cycloconverter system
10/19/1999US5969500 Control system and method for motors
10/19/1999US5969498 Induction motor controller
10/19/1999US5969496 Method of controlling operation of synchronous motor and motor control apparatus for the same
10/14/1999WO1999052202A1 New digital control device applicable to alternating current motors
10/13/1999CN1231541A Speed controller for induction motor
10/07/1999DE19913941A1 Control unit for variable control of rpm of asynchronous motor
10/06/1999EP0883511B1 Regulator device for an asynchronous machine used in particular as a drive for electric vehicles
10/06/1999EP0711470B1 Method and arrangement for controlling an induction motor
10/06/1999CN1230822A Method for controlling DC brushless motor
10/05/1999US5963007 Current control method for an AC servomotor
10/05/1999US5962996 Inverter apparatus
10/05/1999CA2153111C Air conditioning device
09/1999
09/30/1999WO1999049564A1 Method of correcting flux midpoint influx-controlled alternating current systems
09/30/1999WO1999049563A1 Dual stator winding induction machine drive
09/30/1999WO1999049562A1 A solid state motor starter with energy recovery
09/30/1999DE19813362A1 Verfahren zur Bestimmung der Ausgangsspannung eines Zweipunkt-Wechselrichters Method for determining the output voltage of a two-level inverter
09/30/1999CA2324110A1 A solid state motor starter with energy recovery
09/29/1999EP0945971A2 Multi-level phase drivers and static power converters
09/29/1999EP0945970A2 Method for determining the output voltage of a two-level inverter
09/29/1999EP0945952A2 Circuit for driving polyphase motor
09/29/1999CN1229899A Air conditioner
09/29/1999CN1229761A Automatic calibration of current regulator control compensation for elevator motor drive with locked rotor
09/23/1999WO1999048187A1 Electric motor or generator
09/23/1999CA2323641A1 Electric motor or generator
09/22/1999EP0944164A1 Sensorless control method and apparatus of permanent magnet synchronous motor
09/22/1999EP0943481A2 Two-dimensional variable limit proportional internal regulator for the current controller in synchronous frame
09/22/1999CN1229308A Two-dimensional variable limit proportional internal regulator for current controller in synchronous frame
09/21/1999US5955863 Electric current control method for a servomotor
09/21/1999US5955862 Frequency converter for AC motor
09/21/1999US5955794 Method and arrangement for controlling the output of a load connected to an ac line voltage
09/15/1999EP0942522A2 Apparatus and method for controlling drive of three-phase multiplex winding motor
09/15/1999CN1045142C Device for detecting fault of dc-to-ac converter system
09/14/1999US5952810 Motor control apparatus and method of controlling motor
09/10/1999WO1999045632A1 Motor conroller
09/09/1999DE19808104A1 Control apparatus for inverter used in driving e.g. electric motor
09/08/1999CN1227883A Electrical washing machine
09/07/1999US5949663 Inverter apparatus capable of readily modification of the specification and performance thereof
09/07/1999US5949210 Two-dimensional variable limit proportional internal regulator for the current controller in synchronous frame
09/01/1999EP0939473A2 Motor controller based on pwm system
08/1999
08/31/1999US5945802 Ground fault detection and protection method for a variable speed ac electric motor
08/24/1999US5942876 Inverter controller
08/24/1999US5942875 Method and device for operating an asynchronous machine
08/24/1999US5942874 Method of ensuring stability of synchronous machine
08/24/1999US5942865 Driving apparatus of a switched reluctance motor
08/19/1999WO1999041830A1 Method and system for ride-through of an adjustable speed drive for voltage sags and short-term power interruptions
08/18/1999EP0936730A2 Self-commissioning controller for a field-oriented elevator motor/drive system
08/18/1999EP0936729A1 Rotating machine integrated with controller, and inverter
08/17/1999US5940576 Electronic control unit for a vacuum pump
08/17/1999US5940286 Method for controlling the power to be transferred via a mains inverter
08/17/1999US5940272 Electric apparatus having heat radiating fin
08/17/1999US5939854 Circuit for driving a switched reluctance motor
08/17/1999US5939850 Circuit for driving polyphase motor
08/11/1999CN1044629C Electric motor driving apparatus for sewing machine
08/10/1999US5936856 Method and apparatus for active common-mode voltage compensation in induction motor systems
08/10/1999US5936370 Electromagnectic rotating machine
08/10/1999US5936365 Method and apparatus for using back EMF to control a motor
08/05/1999WO1999039418A1 Method for symmetrizing asymmetric faults
08/05/1999CA2319267A1 Method for symmetrizing asymmetric faults
08/04/1999EP0933858A1 Method of protection by means of short-circuiting
08/04/1999CN1225205A Method and apparatus for controlling an induction motor
08/03/1999US5933344 Microprocessor having timer circuit generating complementary non-overlapped PWM signals
08/03/1999US5933339 Modular static power converter connected in a multi-level, multi-phase, multi-circuit configuration
07/1999
07/29/1999DE19851479A1 Controller for current commutation motor with a phase cut-off controller and rising and falling torque
07/28/1999EP0931378A1 Operating system for a vacuum pump
07/28/1999EP0931377A1 Three-phase current regulator with interrupt-performed phase control
07/27/1999US5929578 Control process in a motor driving control unit
07/27/1999US5929400 Self commissioning controller for field-oriented elevator motor/drive system
07/14/1999EP0929145A2 Field oriented control for the drive of a pressing machine
07/14/1999EP0929144A2 Motor drive control system and method
07/14/1999CN1222958A Well pumping equipment
07/14/1999CN1222648A Compressor driving apparatus
07/13/1999US5923728 Motor controller
07/13/1999US5923143 Used with a multi-phase motor and a multi-phase power source
07/07/1999CN1222006A Self-commissioning controller for field-oriented elevator motor/drive system
07/07/1999CN1043976C Device for controlling electric vehicle
07/06/1999US5920161 Driving system for permanent magnet type synchronous machine suitable for electric vehicle and driving control method using the same
06/1999
06/30/1999EP0926577A1 Controller for electric motor
06/30/1999CN1221252A Method for control speed of induction motor
06/30/1999CN1221251A Automatic fine-tuning of rotor time constant and magnetizing current in field-oriented elevator motor drive
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