| Patents for H02P 25 - Arrangements or methods for the control of ac-motors characterised by the kind of ac-motor or by structural details (7,591) |
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| 04/24/2013 | CN103066917A Wound-rotor asynchronous motor cascade speed control method |
| 04/24/2013 | CN103066916A Separately excited motor controller applied to battery driven vehicle |
| 04/24/2013 | CN103066914A Direct power control system of high power factor induction motor |
| 04/24/2013 | CN103062023A Intelligent linear-motor oil production system |
| 04/24/2013 | CN101981802B Method for controlling of a multiphase electric motor operating in star-connected mode |
| 04/24/2013 | CN101884165B Method for analyzing the operation of an electromechanical actuator for the powered manoeuvre of a screen, and actuator for implementing same |
| 04/18/2013 | WO2012022970A3 Measurement circuit |
| 04/18/2013 | WO2012019116A3 Electric motor and motor control |
| 04/18/2013 | CA2792859A1 Multi-mode motor for switching among motor power supplies |
| 04/17/2013 | CN202889282U Control circuit for motor of mixing station |
| 04/17/2013 | CN202889281U Variable speed fan motor |
| 04/17/2013 | CN103052890A Method and device for controlling a synchronous machine |
| 04/17/2013 | CN103051281A High-performance four-quadrant frequency converter |
| 04/17/2013 | CN101925220B Lamp control circuit and lamp using same |
| 04/16/2013 | US8421396 Motor controlling device |
| 04/11/2013 | WO2013052945A2 Actuator control circuit |
| 04/11/2013 | WO2012150931A3 Torque based electronic pulse width modulation control system for a switched reluctance motor |
| 04/11/2013 | CA2851431A1 Actuator control circuit |
| 04/10/2013 | EP2579448A1 Determining rotor position in sensorless switched reluctance motors |
| 04/10/2013 | CN103038998A Linear actuator device |
| 04/10/2013 | CN103036502A Research system for experimenting three-phase alternating-current motor and double three-phase alternating-current motor simultaneously |
| 04/10/2013 | CN103036501A Upper alternating current draught fan speed regulating system of gas water heater |
| 04/09/2013 | US8415915 Computer readable program code implementing modeling of a system comprising at least a linear motor and a block switching controller |
| 04/09/2013 | US8415910 Switch module for an electric machine having switchable stator windings |
| 04/03/2013 | EP2574523A2 Control unit for vehicle steering system |
| 04/03/2013 | CN202856685U Two-speed motor control circuit of crane translation mechanism |
| 04/03/2013 | CN103023423A Advanced phase compensation control unit and method for double-CPU (central processing unit) intelligent wound-rotor motor |
| 04/03/2013 | CN103023420A Instantaneous power detection and load identification based induction motor cooperative control system |
| 04/03/2013 | CN102244494B Drive control circuit for linear vibration motor |
| 03/28/2013 | WO2013041503A2 Method for controlling a permanently excited synchronous motor |
| 03/28/2013 | US20130076292 Sr motor control apparatus |
| 03/27/2013 | EP2573640A1 Spring-loaded drive with active recovery in direct current circuit |
| 03/27/2013 | EP2572439A2 Motor with rotor-mounted control circuitry |
| 03/27/2013 | CN202841047U Speed regulation controller for wound-rotor type motor |
| 03/27/2013 | CN103001431A Direct-current asynchronous motor and driving control method |
| 03/27/2013 | CN102130650B Method for testing and adjusting single-phase capacitor motor |
| 03/26/2013 | US8405365 Output voltage control apparatus of generator |
| 03/26/2013 | US8405341 Synchronous electric motor system |
| 03/26/2013 | US8405327 Passive converter for drive device of switched reluctance motor |
| 03/21/2013 | WO2013038097A1 Method and device for controlling a powertrain |
| 03/21/2013 | US20130069566 Electronically controlled universal motor |
| 03/21/2013 | CA2847498A1 Engine control for a synchronous motor |
| 03/20/2013 | CN202818221U Rotor control speed controller for asynchronous coiling motor |
| 03/20/2013 | CN102983806A Asynchronous machine stator flux estimation system based on current model and method |
| 03/20/2013 | CN102185558B Control method and device for eliminating system buffeting during sliding mode control of linear motor |
| 03/20/2013 | CN101640514B Separately excited motor controller and control method thereof |
| 03/14/2013 | WO2013035793A1 Linear motor device and control method |
| 03/14/2013 | WO2013033801A2 Home appliance comprising an electric motor having at least two coils, method and system for controlling the home appliance, use of electric motor for feeding in the home appliance |
| 03/14/2013 | US20130063054 Driving apparatus for vibration-type actuator |
| 03/13/2013 | EP2568179A2 System for controlling a resonant linear compressor piston, method for controlling a resonant linear compressor piston, and resonant linear compressor |
| 03/13/2013 | CN202798576U Simple motor gear recognizing device based on voltage mutual inductance technology |
| 03/13/2013 | CN202798567U Single power six-phase motor drive system |
| 03/13/2013 | CN202798566U Isolation type motor control circuit |
| 03/13/2013 | CN202798565U Alternating current machine controller convenient to debug |
| 03/13/2013 | CN202798564U Grounding circuit of high-power system with frequency conversion device |
| 03/13/2013 | CN202798563U Three-phase motor drive controller power plate |
| 03/13/2013 | CN202798562U Alternating-current servo system |
| 03/13/2013 | CN202798561U Direct current contactor assembly of alternating current motor controller |
| 03/13/2013 | CN202798544U Dual-supply motor drive system |
| 03/13/2013 | CN202798385U Multi-stator and multi-rotor motor and control circuit |
| 03/13/2013 | CN102971959A Variable electrical generator |
| 03/13/2013 | CN102971958A Method and device for adjusting a speed range of an electric motor |
| 03/13/2013 | CN102170263B Pumping unit motor energy-saving control method and system |
| 03/12/2013 | US8395347 Induction motor control device and induction motor group control system |
| 03/09/2013 | CA2788827A1 System employing a thermoelectric device to power an electronic circuit from heat generated by semiconductor devices, and method of powering a system |
| 03/07/2013 | WO2012110879A3 Rotary electric machine driving system |
| 03/07/2013 | WO2012046019A3 Control of an electrical machine |
| 03/07/2013 | WO2012046017A3 Control of an electrical machine |
| 03/07/2013 | WO2011161408A3 Controller |
| 03/06/2013 | CN202772838U Electric vehicle power system with fault tolerance function |
| 03/06/2013 | CN202772837U Voltage phase sequence monitoring device for three-phase alternating-current motor |
| 03/06/2013 | CN202772833U Constant-power control device and constant-power traction drive system |
| 03/06/2013 | CN202772438U Energy saving power distribution box |
| 03/06/2013 | CN101999203B Electric motor |
| 02/28/2013 | WO2013028269A1 Power source to remote drive interconnection scheme |
| 02/28/2013 | WO2011155976A3 Phase change pulse engine |
| 02/28/2013 | US20130049650 Electrical on-board network and method for operating an electrical on-board network |
| 02/27/2013 | CN1950993B Commutator motor having a number of field winding groups |
| 02/27/2013 | CN102948069A Method and device for starting an electric motor |
| 02/26/2013 | US8384318 Induction motor torque control in a pumping system |
| 02/20/2013 | EP2559158A2 Control of a brushless permanent-magnet motor |
| 02/20/2013 | EP2493067A9 Method and apparatus for estimating rotor angle of synchronous reluctance motor |
| 02/20/2013 | CN102939713A Control of a brushless permanent-magnet motor |
| 02/19/2013 | US8378618 Systems and methods for controlling operations of a motor |
| 02/13/2013 | CN102931907A Energy-saving transportation system based on permanent-magnet linear motor |
| 02/12/2013 | US8373369 Method and amplifier for operating a synchronous motor |
| 02/06/2013 | EP2553807A1 Power factor correction drive circuit topologies and control for switched reluctance machines |
| 02/06/2013 | EP2553802A2 Method for controlling an optimal operating point in a synchronous machine and inverter-fed synchronous machine |
| 02/06/2013 | CN202721645U Energy saving electrical control apparatus for tracking type oil field oil pumping unit |
| 02/06/2013 | CN101204001B Converting mechanical vibration energy into electrical energy |
| 02/05/2013 | US8368272 Assembly and method for mass torque generation |
| 02/05/2013 | CA2549461C Changing amplitude of movement by changing the drive frequency of a toothbrush brushhead |
| 01/31/2013 | US20130026968 Motor drive apparatus |
| 01/31/2013 | DE112010003861T5 Linearmotor-Antriebssystem und Linearmotor-Steuerverfahren Linear motor drive system and the linear motor control method |
| 01/30/2013 | EP2550730A2 Variable electrical generator |
| 01/30/2013 | CN202713224U Crane special-purpose motor stator pressure regulation speed regulation controller |
| 01/30/2013 | CN202713223U Non-linear interference control system for permanent magnetism synchronization linear motor |
| 01/30/2013 | CN202713211U Remote driving circuit of solar heat collecting panel |
| 01/30/2013 | CN102904522A Air conditioning load aggregation method based on single-phase capacitor operated motor |
| 01/30/2013 | CN102185559B Relaying control method for long-stator linear synchronous motor |