| 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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| 01/23/2013 | EP2549642A1 Actuator control device and working machine equipped with same |
| 01/23/2013 | CN202696538U Intelligent multifunctional speed regulation device |
| 01/23/2013 | CN202696537U Power driving circuit structure of all-digital AC (alternating current) servo driver |
| 01/23/2013 | CN202696527U Driving circuit of sine-wave variable-frequency synchronous motor |
| 01/23/2013 | CN102893512A Power-saving driving apparatus and power-saving driving method for apparatus with uniform load pattern |
| 01/23/2013 | CN102893511A System and method for motor speed estimation of an electric motor |
| 01/23/2013 | CN102893510A Electric motor controller and electric motor control system |
| 01/23/2013 | CN102891652A Control method of T-source variable frequency speed control system |
| 01/23/2013 | CN102891651A Three-phase inverter based on programmable counter array |
| 01/23/2013 | CN102891650A High-end intelligent frequency conversion control circuit |
| 01/23/2013 | CN102891649A Apparatus and method for controlling medium voltage inverter |
| 01/23/2013 | CN101977015B Frequency conversion control device of pile hammer |
| 01/23/2013 | CN101976894B Energy storage system realizing bidirectional electric energy flow and control method thereof |
| 01/23/2013 | CN101855826B Drive device control unit |
| 01/17/2013 | WO2013008328A1 Vehicle driving device |
| 01/17/2013 | WO2013008313A1 Vehicle and vehicle control method |
| 01/17/2013 | WO2013008312A1 Vehicle and method for controlling vehicle |
| 01/17/2013 | WO2013007107A1 Variable frequency speed control system for motor |
| 01/17/2013 | WO2012161547A3 Apparatus for controlling rotor current in a wound-rotor type induction motor |
| 01/16/2013 | EP2546980A2 Electric motor control system |
| 01/16/2013 | EP2546088A1 Motor driving system for electric vehicle |
| 01/16/2013 | EP2545641A2 Electric motor control |
| 01/16/2013 | EP2545640A1 Method and device for operating an asynchronous motor having increased efficiency |
| 01/16/2013 | EP2545281A1 Controller-integrated motor pump |
| 01/16/2013 | CN202679311U Vector control frequency converter |
| 01/16/2013 | CN202679310U Frequency converter used for SVPWM elevator |
| 01/16/2013 | CN202679309U Sludger control system used for sintering plant |
| 01/16/2013 | CN202679308U Winnower energy saving apparatus |
| 01/16/2013 | CN202679307U Motor control device used for wire drawing machine |
| 01/16/2013 | CN202679306U Device for controlling motor using frequency converter and PLC |
| 01/16/2013 | CN202679305U Stepless speed regulator of AC electric hand drill |
| 01/16/2013 | CN202679294U Actuating device of brushless continuous current motor |
| 01/16/2013 | CN102884695A 变速驱动器 Variable speed drives |
| 01/16/2013 | CN102882468A Motor frequency conversion equipment, driving device and control circuit |
| 01/16/2013 | CN102882467A Converter for an electrical machine, controller and method for operating a converter |
| 01/16/2013 | CN102882462A Combined-type SVPWM method |
| 01/16/2013 | CN102882459A Single-supply open-coil winding permanent magnet synchronous motor driving system for electric vehicles |
| 01/16/2013 | CN102882458A Current internal-model decoupling controller of open-winding permanent-magnet synchronous motor |
| 01/16/2013 | CN102882382A Power-frequency power supplied electromagnetic device capable of running at magnetic flux frequency lower than power frequency |
| 01/16/2013 | CN102873069A Constant-pressure variable-frequency control device of dust collector |
| 01/16/2013 | CN101789751B Speed regulation circuit for fan |
| 01/16/2013 | CN101767424B Injection molding machine and injection molding method |
| 01/16/2013 | CN101678826B Controller and control method of hybrid vehicle |
| 01/15/2013 | US8354813 Inverter device, electric automobile in which the inverter device is mounted, and hybrid automobile in which the inverter device is mounted |
| 01/15/2013 | US8354810 Electric power steering device |
| 01/10/2013 | WO2013005762A1 Inverter control device and inverter control method |
| 01/10/2013 | WO2013005724A1 Motor control device and steering device for vehicle |
| 01/10/2013 | US20130009585 Control apparatus for switching circuit |
| 01/10/2013 | US20130009576 Motor controller having energy storage unit |
| 01/10/2013 | DE112010003686T5 Antriebssteuervorrichtung für einen dreiphasigen Wechselstrommotor A drive control apparatus for a three-phase AC motor |
| 01/10/2013 | DE102012211802A1 Verfahren zur Ansteuerung einer mehrphasigen Maschine A method of driving a multi-phase machine |
| 01/10/2013 | DE102012012752A1 Motorsteuervorrichtung mit energiespeichereinheit Motor controller with energy-storage unit |
| 01/10/2013 | DE102011078841A1 Verfahren zur Ansteuerung einer mehrphasigen Maschine A method of driving a multi-phase machine |
| 01/09/2013 | EP2544365A2 Motor control device |
| 01/09/2013 | EP2544353A1 Inverter and overload protection method |
| 01/09/2013 | EP2544346A1 Load driving device |
| 01/09/2013 | CN202663355U Power energy conservation module for electromotor |
| 01/09/2013 | CN202663354U Energy-saving controller of motor |
| 01/09/2013 | CN202663353U Alternating-current speed regulation system suitable for mine fan |
| 01/09/2013 | CN202663350U Speed-governing control system based on multilevel matrix frequency converter for mine hoist |
| 01/09/2013 | CN202663335U Direct current control device for alternating current permanent magnet synchronous motor |
| 01/09/2013 | CN102868359A Alternating-current motor driver and transmission device |
| 01/09/2013 | CN102868358A Motor controller having energy storage unit |
| 01/09/2013 | CN102868357A Control apparatus for switching circuit |
| 01/09/2013 | CN102868355A Method for controlling voltage balancing of direct current bus capacitors during indication of induction motor parameter |
| 01/09/2013 | CN102868347A Inverter device and electric motor drive system |
| 01/09/2013 | CN102006007B Motor control system of electric automobile |
| 01/09/2013 | CN101640461B Asynchronous AC induction electrical machines in cross-interlockingly parallel connection |
| 01/09/2013 | CN101627531B Method and system to start multiple AC motors supplied by a power converter via a common AC bus |
| 01/08/2013 | US8350517 Applying a control unit to an asynchronous machine which is operated without a rotary encoder |
| 01/08/2013 | US8350516 Electric motor drive device and method of controlling the same |
| 01/08/2013 | US8350510 Voltage booster apparatus for power steering system |
| 01/08/2013 | CA2645623C Motor drive control system and method for controlling the same |
| 01/03/2013 | WO2013002043A1 Rotary electrical machine control device |
| 01/03/2013 | WO2013001634A1 Motor driving apparatus, vehicle provided with same, and method of controlling motor driving apparatus |
| 01/03/2013 | WO2012013982A3 Quasi-resonant braking load |
| 01/03/2013 | US20130004335 Linear compressor |
| 01/03/2013 | US20130002187 Variable speed drive system |
| 01/03/2013 | US20130002174 Control device for motor drive system and vehicle incorporating the same |
| 01/02/2013 | EP2541751A2 Excitation device |
| 01/02/2013 | EP2539998A2 Device for operating synchronous motors and associated method |
| 01/02/2013 | CN202652143U Variable frequency control circuit of ceiling fan motor |
| 01/02/2013 | CN202652142U Frequency conversion-power frequency combined drive system for large and medium-sized centrifugal fans |
| 01/02/2013 | CN202652141U Coal feeder frequency converter low voltage crossover device |
| 01/02/2013 | CN202652140U Anchor winch frequency conversion driving system |
| 01/02/2013 | CN202652139U Power frequency/variable frequency conversion circuit |
| 01/02/2013 | CN202643982U Novel cotton feeding machine |
| 01/02/2013 | CN202639293U Cast-welding drive device and cast-welding machine |
| 01/02/2013 | CN102859866A Control device for motor drive system and vehicle having same |
| 01/02/2013 | CN102856985A Method and apparatus for charging or discharging an electrical device |
| 01/02/2013 | CN102848931A Energy source system structure of electric automobile |
| 01/02/2013 | CN101959744B Electric power steering device |
| 01/02/2013 | CN101577522B Apparatus for carrying out improved control of rotary machine |
| 01/02/2013 | CN101505134B Alternating current motor drive circuit and electric vehicle drive circuit |
| 01/01/2013 | US8344680 Control apparatus of alternating-current motor |
| 01/01/2013 | US8344677 Power conversion equipment |
| 12/27/2012 | WO2012177498A2 Variable frequency drive voltage boost to improve utilization |
| 12/27/2012 | WO2012176553A1 Motor control device and electric power steering device using same |
| 12/27/2012 | WO2012007396A3 Method and device for determining a momentary torque of an electronically switched electric machine and for regulating the average torque |
| 12/27/2012 | US20120326641 Motor drive apparatus equipped with energy storage unit |