| 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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| 09/18/2013 | CN203206175U Intelligent wound-rotor type motor phase advancement compensation controller based on double-CPU structure |
| 09/18/2013 | CN103312260A Motor drive device with minimum rotation speed setting and maximum rotation speed setting |
| 09/18/2013 | CN103312259A Two-freedom-degree driving method of magnetic levitation linear motor |
| 09/18/2013 | CN103312253A Torque prediction control type electric driving method based on stator reference flux linkage optimization model |
| 09/12/2013 | WO2013134161A1 Electrical solution for saving power and expenses |
| 09/12/2013 | WO2013068257A3 Method and assembly for operating synchronous motors |
| 09/12/2013 | US20130237751 Linear Motor and Handheld Unit |
| 09/12/2013 | US20130234635 Driving apparatus for multiplex-winding motor |
| 09/12/2013 | DE102013202400A1 Antriebsvorrichtung für Mehrfachwicklungsmotor Drive device for multi-winding motor |
| 09/12/2013 | DE102012203528A1 Fahrzeug mit elektrischer Maschine und Verfahren zum Betreiben dieser Vehicle with electric machine and method of operating this |
| 09/11/2013 | EP2636144A2 Pitch motor drive circuit which can operate in emergency mode |
| 09/11/2013 | EP2636132A1 Voice coil motor and driving method thereof |
| 09/11/2013 | CN102142751B Phase shifting method for multiple-time electric quantity of single-phase capacitor operation motor and circuit structure thereof |
| 09/05/2013 | US20130229136 Selectively lowering resistance of a constantly used portion of motor windings in an electric motor |
| 09/05/2013 | US20130228373 Apparatus Including Load Driven By a Motor Coupled to an Alternator |
| 09/04/2013 | EP2634913A1 Distributed linear motor system |
| 09/04/2013 | CN103283142A Method for driving linear actuator |
| 09/04/2013 | CN103281034A Multi-phase motor winding switching circuit |
| 09/04/2013 | CN103281027A Method for starting compressor of variable frequency air conditioner and compensating low-frequency torque |
| 09/04/2013 | CN102136823B Alternating-current load control system |
| 09/04/2013 | CN101964627B Drive arrangement of a motor with a plurality of stator windings |
| 08/29/2013 | DE112011103317T5 Steuervorrichtung für Linearmotor und Linearmotorvorrichtung A control device for linear motor, and linear motor device |
| 08/29/2013 | DE102012004865A1 Steuergerät mit Rohrmotorerkennung Control unit with tubular motor recognition |
| 08/28/2013 | CN203166829U Contactor for switching series-parallel connection mode of motor winding |
| 08/28/2013 | CN103270694A Motor control apparatus, motor control method, and control program |
| 08/28/2013 | CN103270689A Measurement circuit |
| 08/28/2013 | CN103270674A Electric power tool |
| 08/28/2013 | CN103269198A Permanent magnet synchronous motor control method and system based on encoder automatic zero set |
| 08/28/2013 | CN102412779B Dynamic efficient power-saving device for alternating-current motor |
| 08/22/2013 | WO2013041835A3 An electronically controlled universal motor |
| 08/21/2013 | CN203151428U Automatic speed regulating mechanism of tractor |
| 08/21/2013 | CN103262407A Method and device for operating electric machine having external or hybrid excitation |
| 08/15/2013 | US20130207586 Control apparatus for multi-phase rotary machine and electric power steering system using the same |
| 08/15/2013 | US20130207575 Resonant actuator using magnetic action for a power toothbrush |
| 08/14/2013 | EP2625782A2 Control of an electrical machine |
| 08/14/2013 | EP2625781A2 Control of an electrical machine |
| 08/14/2013 | EP2625780A2 System and method for fast discharge of a ring motor field |
| 08/14/2013 | CN203135790U Automatic pressure adjusting system of range hood blower fan |
| 08/14/2013 | CN203135789U Dynamic intelligent power saver |
| 08/14/2013 | CN203135788U Rotor frequency conversion and grading resistor dual speed control system of wound-rotor asynchronous motor four-quadrant operation |
| 08/14/2013 | CN203130452U Intelligent linear motor oil extraction system |
| 08/14/2013 | CN203126563U Multi-core wheel hub motor and control device thereof, as well as electric vehicle |
| 08/14/2013 | CN103250344A Control of an electrical machine |
| 08/14/2013 | CN103248313A Rotary electric machine system |
| 08/14/2013 | CN103248312A Control method based on linear servo motor |
| 08/14/2013 | CN103248311A Frequency conversion controller of motor |
| 08/14/2013 | CN103248310A Damping and noise reducing method for single-phase motor used for lifting device |
| 08/14/2013 | CN103248285A Driver special for direct current motor |
| 08/14/2013 | CN103248284A Special driver for linear shaft motor |
| 08/14/2013 | CN102361432B Electric actuating mechanism for dynamic force equilibrium positioning |
| 08/14/2013 | CN102088272B 10kV digital high-voltage stator variable voltage control device |
| 08/13/2013 | US8509973 High performance and improved efficiency electric vehicle and methods of production |
| 08/13/2013 | US8508181 Adjustable frequency drive and system |
| 08/13/2013 | US8508178 Torque based electronic pulse width modulation control system for a switched reluctance motor |
| 08/08/2013 | DE102012221536A1 Motorsteuerungsvorrichtung, auf eine Motorsteuerungsvorrichtung angewendetes Stromsteuerungsverfahren und eine Motorsteuervorrichtung verwendende elektrische Servolenkungsvorrichtung Motor control device may be applied to a motor control device power control method and a motor control apparatus using electric power steering apparatus |
| 08/07/2013 | EP2624444A2 Rotary electric machine system |
| 08/07/2013 | EP2624443A2 Operation of an electrical drive system |
| 08/07/2013 | EP2622732A2 Vibration energy harvester for converting mechanical vibrational energy into electrical energy |
| 08/07/2013 | EP2622730A1 Method for controlling an electrical motor |
| 08/07/2013 | CN203119838U High-performance four-quadrant frequency converter |
| 08/07/2013 | CN103236814A Fractional integral sliding mode-based speed control method and device for permanent magnet synchronous motor |
| 08/01/2013 | US20130193903 Synchronous machine with switching element in the excitation circuit |
| 07/31/2013 | EP2619897A2 A start and control method for a single-phase induction motor, a start and control system for a single-phase induction motor and an electronic start and control device applied to a single-phase induction motor |
| 07/31/2013 | CN203104356U Automatic transformation control system for rotation speed of two-speed motor |
| 07/31/2013 | CN203104355U Range hood speed regulation electromotor application circuit |
| 07/31/2013 | CN203104354U Induction motor controller |
| 07/31/2013 | CN103227607A Method of controlling linear motor |
| 07/31/2013 | CN102142809B Drive control circuit for linear vibration motor |
| 07/30/2013 | CA2545984C Filtering and boosting a signal from a drive circuit |
| 07/25/2013 | US20130187573 Control apparatus for linear motor, and linear motor apparatus |
| 07/25/2013 | DE102012001224A1 Method for actuating electrical induction machine by power electronics in motor vehicle, involves adjusting operating mode of machine in response to adjusted speed range and/or fault condition of machine |
| 07/24/2013 | EP2617998A2 Fault tolerant electric drive system |
| 07/24/2013 | CN203086404U Rated voltage level intelligence switching apparatus of motor |
| 07/24/2013 | CN203086403U Separately excited motor controller for storage battery vehicle |
| 07/24/2013 | CN103222164A Brushless dc motor, and method for controlling same |
| 07/24/2013 | CN103219941A Switching circuit and switching method of star-shaped / triangular general savor for motor |
| 07/18/2013 | WO2013105506A1 Motor Controller |
| 07/18/2013 | WO2012131353A3 Design improvements for flux switching machines |
| 07/18/2013 | WO2012107665A3 Method and device for controlling a reluctance electric machine |
| 07/18/2013 | US20130181652 Control Circuit for an Electric Motor Having a Power-Supply Control Device |
| 07/18/2013 | US20130181641 Unipolar switching apparatus of switched reluctance motor |
| 07/17/2013 | CN203071863U Intelligent controller for saving power for electric motor |
| 07/17/2013 | CN1574598B Rotor position detection of a switched reluctance drive |
| 07/17/2013 | CN103208967A Apparatus and method for controlling fan motor |
| 07/17/2013 | CN103208966A Contactless resistor cutoff device for rotor of alternating current winding motor |
| 07/17/2013 | CN101257278B Automatic gear shifting system of paper chipper |
| 07/11/2013 | WO2013007486A3 Method for actuating a multi-phase machine |
| 07/11/2013 | WO2012123847A3 Synchronous machine comprising an excitation circuit with a switching element |
| 07/11/2013 | US20130175967 Motor controller |
| 07/11/2013 | US20130175966 Dynamic reconfiguration-switching of windings in a motor used as a generator in a turbine |
| 07/11/2013 | DE102012000170A1 Stromkurve für eine supraleitende elektrische Maschine Current curve for a superconducting electrical machine |
| 07/10/2013 | CN203057064U Automatic shifting apparatus for electric vehicle |
| 07/10/2013 | CN203057063U Starting operation compensation electric control device of three-phase asynchronous motor |
| 07/10/2013 | CN203057062U Single-phase motor speed regulation control function execution apparatus used for baking and drying equipment |
| 07/10/2013 | CN103201947A System and method for fast discharge of a ring motor field |
| 07/10/2013 | CN103199792A Mechanical arm braking system |
| 07/10/2013 | CN103199791A Three-phase current reconstruction method using single sampling resistance |
| 07/10/2013 | CN103199787A Load disturbance resistant method and device thereof based on hybrid regulator |
| 07/04/2013 | WO2012037624A9 A start and control method for a single-phase induction motor, a start and control system for a single-phase induction motor and an electronic start and control device applied to a single-phase induction motor |
| 07/04/2013 | US20130169199 Method for determining rotational speed of an electric motor in a power tool |