| Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284) |
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| 09/18/2013 | CN103312253A Torque prediction control type electric driving method based on stator reference flux linkage optimization model |
| 09/18/2013 | CN102403956B Motor driving apparatus |
| 09/18/2013 | CN102223132B Method for controlling multi-stator arc motor for large telescope |
| 09/18/2013 | CN102001189B Control method of alternating current servo main drive system applied to mechanical crank pressing machine |
| 09/18/2013 | CN101826832B Motor drive system for driving motor provided with a plurality of windings |
| 09/17/2013 | US8536823 Driving method and driving device for driving a polyphase inverter |
| 09/12/2013 | WO2013132986A1 Control device for rotating electric machine |
| 09/12/2013 | WO2013132660A1 Motor control device |
| 09/12/2013 | WO2013132182A1 Method for controlling a power bridge, and corresponding control device, power bridge and rotary electric machine |
| 09/12/2013 | WO2013132099A2 Electric unit for a pump-storage power plant |
| 09/12/2013 | WO2013068257A3 Method and assembly for operating synchronous motors |
| 09/12/2013 | US20130234641 Converter system |
| 09/12/2013 | US20130234636 Split laminated dc bus structure |
| 09/11/2013 | EP2636144A2 Pitch motor drive circuit which can operate in emergency mode |
| 09/11/2013 | CN203193567U Variable speed driver |
| 09/11/2013 | CN203193516U Converter control device and air conditioner with converter control device |
| 09/11/2013 | CN203186069U Double power drive control system of automobile wheel hub motor |
| 09/11/2013 | CN103299539A Power conversion apparatus |
| 09/11/2013 | CN103299538A Apparatus for determining the position of the rotor of an electric machine |
| 09/11/2013 | CN103296966A Driving apparatus and driving method |
| 09/11/2013 | CN103296965A High vibrating-intensity performance vibrating machine MCU (microprogrammed control unit) advance control device and control method thereof |
| 09/11/2013 | CN103296964A Novel multi-functional energy-saving frequency converting control device for oil field pumping unit |
| 09/11/2013 | CN103296963A Method for controlling an inverter |
| 09/11/2013 | CN103296962A Speed control of variable-speed and multi-phase motor |
| 09/11/2013 | CN103296955A Matrix converter based alternating-current variable-frequency speed control system |
| 09/11/2013 | CN103296943A Method for estimating rotation speed of brushless direct-current motor and frequency converter |
| 09/11/2013 | CN103296942A Motor drive apparatus equipped with dynamic braking control unit |
| 09/11/2013 | CN103296939A Drive device of motor |
| 09/11/2013 | CN103296900A Direct voltage capture device for energy storage device and method for generating direct voltage by energy storage device |
| 09/11/2013 | CN103296712A Charging circuits for energy storage device and method for charging energy storage device |
| 09/11/2013 | CN102522948B Hybrid intelligent adjusting method of torque hysteresis width in DTC (Direct Torque Control) system |
| 09/11/2013 | CN102045024B Limp home operational mode for an electric vehicle |
| 09/11/2013 | CN101960702B Direct AC power converter |
| 09/11/2013 | CN101911472B Apparatus, system and method for electric power supply |
| 09/11/2013 | CN101911471B Motor control device and electric power steering device |
| 09/11/2013 | CN101771381B Method and system for operating a vibration in an automobile |
| 09/05/2013 | US20130229845 Method for controlling an inverter |
| 09/04/2013 | EP2633618A2 Drive |
| 09/04/2013 | EP2633617A2 Power tool system and power supply device |
| 09/04/2013 | EP2633615A1 Method and device for starting motors in weak grids |
| 09/04/2013 | CN203180823U Intelligent power-saving control box of motor |
| 09/04/2013 | CN203180822U A motor frequency conversion speed regulating system of a pipeline compressor |
| 09/04/2013 | CN203180821U Electric locomotive AC variable frequency speed regulator |
| 09/04/2013 | CN203180820U Industrial frequency conversion type high-voltage frequency converter |
| 09/04/2013 | CN203180819U DC power supply squirrel-cage motor speed regulation control device |
| 09/04/2013 | CN203179268U Remote controller of motor actions |
| 09/04/2013 | CN103281036A Control method and control device of five-phase alternating current motor |
| 09/04/2013 | CN103281035A Automatic motor identification method and variable frequency motor driving circuit |
| 09/04/2013 | CN103280986A Frequency converter with anti-toppling switch |
| 09/04/2013 | CN103277307A Oil pump driving-controlling system for multifunctional drilling machine |
| 09/04/2013 | CN103277306A Multifunctional drill machine taking power-frequency power supply as power |
| 09/04/2013 | CN102244496B Variable frequency speed-adjusting system for motor |
| 09/04/2013 | CN101964627B Drive arrangement of a motor with a plurality of stator windings |
| 09/04/2013 | CN101569087B Drive control apparatus and method for refrigerator type fan motor |
| 09/03/2013 | US8525465 Feedback switching device and method for driving of servo motor |
| 09/03/2013 | US8525457 EC motor assembly |
| 08/29/2013 | WO2013083103A3 Control device for an electrical drive device and method for controlling an electrical drive device |
| 08/29/2013 | WO2012171603A3 Method and device for controlling a torque of an electric motor of an electro-hydraulic system |
| 08/29/2013 | US20130221895 Motor drive circuit |
| 08/29/2013 | US20130221888 Motor drive apparatus equipped with dynamic braking control unit |
| 08/29/2013 | US20130220352 Speed Control of Variable-Speed Multiple-Phase Motors |
| 08/29/2013 | DE102012202863A1 System und Verfahren zum Ansteuern einer Energiespeichereinrichtung System and method for driving an energy storage device |
| 08/28/2013 | CN203166830U High-electrical efficiency energy-saving control device of high-voltage motor |
| 08/28/2013 | CN203166827U Special frequency converter for adjusting speed of battery electrical locomotive |
| 08/28/2013 | CN203166826U Special frequency converter for adjusting speed of battery electrical locomotive |
| 08/28/2013 | CN203166798U Speed regulation frequency converter special for trolley locomotive |
| 08/28/2013 | CN203166797U Special frequency converter for adjusting speed of trolley locomotive |
| 08/28/2013 | CN103270690A Power tool system and power supply device |
| 08/28/2013 | CN103269200A High speed stabilizing drive control method of satellite-borne large inertia load mechanism |
| 08/28/2013 | CN103269198A Permanent magnet synchronous motor control method and system based on encoder automatic zero set |
| 08/28/2013 | CN103269197A System and method for retraining high-frequency vibration of low-pressure large-power multi-phase variable frequency motor |
| 08/28/2013 | CN103269196A Method for suppressing unbalance of output currents of five-phase induction motor |
| 08/28/2013 | CN103269189A Mine locomotive single-frequency-converter and double-frequency-converter automatic shifting operating device and control method |
| 08/28/2013 | CN103267945A Variable-frequency power source for multifunctional variable frequency motor test and waveform generation method |
| 08/28/2013 | CN102324890B Elevator door motor switch-in-place torque control method and elevator door motor device |
| 08/28/2013 | CN102113203B Device and method for controlling AC electric motor |
| 08/28/2013 | CN101632220B Controller of electric vehicle |
| 08/27/2013 | US8519663 Power supply system for an element, among a rotor and a stator of an electric machine, and method for controlling such system |
| 08/27/2013 | US8519655 DC bus boost method and system for regenerative brake |
| 08/27/2013 | US8519654 microCHP with improved shut down system |
| 08/22/2013 | WO2013068158A3 Method and apparatus for controlling an electrical machine |
| 08/22/2013 | WO2013038250A3 Rotary electric machine control system and rotary electric machine control method |
| 08/22/2013 | US20130214715 Circuit for filtering narrow pulse and compensating wide pulse, and motor controller comprising the circuit |
| 08/22/2013 | DE102010055225B4 Motoransteuereinrichtung mit Spannungsausfall-Detektionsfunktion Motor driver with power failure detection function |
| 08/21/2013 | CN203151432U Water-cooled driving motor controller |
| 08/21/2013 | CN203151431U Frequency conversion control structure of reciprocating type coal feeder |
| 08/21/2013 | CN203141874U Electricity-saving device for melamine laminated board hot press |
| 08/21/2013 | CN103262408A Power conversion apparatus |
| 08/21/2013 | CN103259488A Motor control method, motor control system and motor control device |
| 08/21/2013 | CN103259487A Transducer motor controlling method and transducer |
| 08/21/2013 | CN103259486A Model prediction three-level direct torque control method based on state trajectory extrapolation |
| 08/21/2013 | CN103259478A Optimizing and modulating method of five-axle arm inverter |
| 08/21/2013 | CN103259466A Driving device for downhole belt conveyor |
| 08/20/2013 | US8513911 Power converters |
| 08/15/2013 | WO2012152578A3 Drive unit for an electric motor |
| 08/15/2013 | US20130207582 Method for controlling an inverter |
| 08/15/2013 | US20130207555 Led driver system with dimmer detection |
| 08/14/2013 | EP2626997A1 Current control gain adjusting method for pm motor, current control method, and control device |
| 08/14/2013 | EP2626996A1 Motor constant calculating method for pm motor, and motor constant calculating device |
| 08/14/2013 | EP2625780A2 System and method for fast discharge of a ring motor field |