Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
03/2012
03/28/2012CN101635558B Inverter generator
03/28/2012CN101593615B Control device for operation of on-load tap changer and control method thereof
03/28/2012CN101409526B Elevator system and accumulator unit
03/27/2012US8143840 Device for controlling induction motor
03/27/2012US8143839 Alternating-current motor control apparatus
03/27/2012US8143837 Inverter control apparatus
03/27/2012US8143836 Motor controller
03/22/2012US20120066848 Resonant motor unit and electric device with resonant motor unit
03/22/2012DE102011113056A1 Motorantriebsvorrichtung Motor driving device
03/22/2012DE102011113055A1 Motortreiber-Vorrichtung Motor drive device
03/21/2012EP2432117A1 Power conversion device, and method for controlling the condenser voltage of the power conversion device
03/21/2012EP2432114A1 Flux offset compensation for a rotating electrical machine
03/21/2012EP2432110A1 Power conversion device
03/21/2012EP2430740A2 Device and method for driving an electric machine for abating and masking distinctive acoustic emissions
03/21/2012CN202172366U 一种三相交流驱动电源发生器 A three-phase AC drive power generators
03/21/2012CN102387933A Drive control system
03/21/2012CN102386844A Motor driving apparatus having DC link voltage regulating function
03/21/2012CN102386843A Electric power converter, driving apparatus and electric power steering apparatus
03/21/2012CN102386842A Locomotive variable-voltage variable-frequency auxiliary power frequency control method
03/21/2012CN102386841A Electric pressure regulating system and control method thereof
03/21/2012CN102386838A Motor control system and control method for alternating current transmission system
03/21/2012CN102386816A Method and device for controlling weak magnetism of permanent magnet synchronous motor
03/21/2012CN101969294B Alternating current servo driver capable of realizing energy feedback
03/21/2012CN101483396B Method and system for controlling a power inverter in electric drives
03/20/2012US8138712 Motor drive system and its control method
03/20/2012US8138711 Motor controller of air conditioner and method of the motor controller
03/20/2012US8138710 Power drive of electric motor
03/16/2012DE202012000091U1 Einrichtung zur Regelung einer Drehfeldmaschine an einem Direktumrichter bis Drehzahl Null Means for controlling an induction machine on a cyclo to zero speed
03/15/2012WO2012032589A1 Ac motor driver apparatus
03/15/2012WO2012032571A1 Ac motor rotation direction detecting method and electric power conversion device for ac motor using same
03/14/2012EP2428387A1 Power supply system of electric vehicle and control method thereof
03/14/2012CN202168034U 一种直流变频空调器 A DC inverter air conditioner
03/14/2012CN202168033U 鼓引风机变频控制电路 Blowers frequency control circuit
03/14/2012CN102377386A Method and circuit for driving brushless motor and method and circuit for detecting rotation position of brushless motor
03/14/2012CN102377385A Bypass variable-frequency controller with phase detection
03/14/2012CN102377380A Alternating current permanent magnet synchronous machine control system for electric vehicle
03/14/2012CN102377378A Double-machine or multi-machine two-dimensionally integrated triphase asynchronous spindle direct drive type motor system
03/14/2012CN102377333A Apparatus and system for power conversion
03/14/2012CN101578191B Vehicle and on-vehicle drive device
03/13/2012US8134331 Motor drive system with flux regulated PM generator
03/13/2012US8134330 Electronic control of the pressure and flow of linear pumps and compressors
03/13/2012US8134329 Buck converter with improved filter design
03/08/2012WO2012030403A1 Improved method to save energy for devices with rotating or reciprocating masses
03/08/2012WO2012029774A1 Motor control device and movable object provided with same
03/08/2012WO2012029715A1 Electric motor drive device
03/08/2012WO2012029099A1 Heat pump device, heat pump system and three-phase inverter control method
03/08/2012US20120056568 Motor driving apparatus having dc link voltage regulating function
03/08/2012US20120056567 Method and apparatus for controlling a high-voltage battery connection for hybrid powertrain system
03/08/2012CA2808589A1 Improved method to save energy for devices with rotating or reciprocating masses
03/07/2012EP2426814A1 Power conversion device
03/07/2012EP2424419A1 Vacuum cleaner and method for controlling an electric motor
03/07/2012EP2131488B1 Electric vehicle controller
03/07/2012CN202160142U 便携式发电机逆变器的输出交流电压采样电路 The portable generator of the inverter output AC voltage sampling circuit
03/07/2012CN202160117U 功率转换系统 Power conversion system
03/07/2012CN102368677A Intelligent alternating current frequency conversion control system of electric actuator
03/07/2012CN101636543B Hybrid construction machine controlling method, and hybrid construction machine
03/06/2012US8129936 Open-loop and/or closed-loop control system of a 3-phase power converter for the operation of an asynchronous machine
03/06/2012US8129935 Motor control device
03/06/2012CA2616975C Motor drive system for railway vehicle
03/01/2012US20120049782 Electric power converter, driving apparatus and electric power steering apparatus
03/01/2012US20120049778 Power converting apparatus
03/01/2012US20120049774 Control device for voltage converter, vehicle equipped with the same, and control method for voltage converter
03/01/2012US20120049773 Motor control apparatus which discharges stored charge of dc voltage smoothing capacitor when operation becomes halted
03/01/2012DE102011052920A1 Elektrischer Leistungswandler, Antriebsvorrichtung und elektrische Lenkhilfevorrichtung An electric power converter, drive device and electric power steering device
02/2012
02/29/2012EP2422445A1 Power supply with adapted output voltage
02/29/2012EP2422444A1 Vector control method for electric motors
02/29/2012CN102365818A Alternating-current rotary machine controller
02/29/2012CN102365817A Motor drive control device
02/29/2012CN102364872A Variable frequency energy saving device for low-voltage three-phase asynchronous motor control system
02/29/2012CN101834559B Phase-shifting output system of frequency converter of home appliance compressor and implementing method thereof
02/29/2012CN101663442B Power generation control method of hybrid construction machine and hybrid construction machine
02/29/2012CN101359896B Serial parallel structure electric power transformation device and elevator system using thereof
02/28/2012US8125179 Controlling a power of an electrical motor
02/28/2012US8125178 Drive and method
02/28/2012US8125177 System and method for adding voltages of power modules in variable frequency drives
02/28/2012US8125176 Motorized system for closing a building
02/28/2012US8125169 Rotating electrical machine control system and vehicle drive system
02/28/2012CA2731482C Pump control system and method
02/23/2012WO2009066840A3 Motor controller of air conditioner
02/23/2012CA2714794A1 Variable frequency drive with dielectric fluid-immersed transformer
02/22/2012EP2421149A1 Power circuit, and computer-readable recording medium containing a control program for power circuits
02/22/2012EP2421144A2 Method for starting a permanent magnet single-phase synchronous electric motor and electronic device for implementing said method
02/22/2012EP2421140A1 Inverter device, electric motor drive device, refrigeration/air-conditioning device, and electric power generation system
02/22/2012EP2420341A2 Torque motor driving device for wire cut electrical discharge machines
02/22/2012CN202150835U 雕铣机专用变频器 Engraving and milling machine special inverter
02/22/2012CN202150834U 非对称瞬态电压抑制转子变频调速控制装置 Asymmetric transient voltage suppression rotor frequency control device
02/22/2012CN202150833U 牵引调速装置 Traction control devices
02/22/2012CN202150832U 一种密封件炼胶机的节能装置 Energy-saving devices a seal mixing machine
02/22/2012CN202150791U 绝缘栅双极型晶体管升压斩波分布参数吸收器 Insulated gate bipolar transistor of the boost chopper distribution parameter absorber
02/22/2012CN202148713U 一种太阳能自动升旗装置 A solar automatic flag-raising device
02/22/2012CN102362427A Device and method for power-saving driving of device having same load pattern
02/22/2012CN102362426A 感应电动机控制装置及感应电动机组控制系统 Induction motor control device and an induction motor Control System
02/22/2012CN102362425A Rotary electric machine controller
02/22/2012CN102362424A Device and method for rotating electric machine
02/22/2012CN102361427A Variable speed constant frequency control method after grid connection of wind driven generator set
02/22/2012CN102360794A Phase shift rectifier transformer and series connection topology frequency converter
02/22/2012CN101534083B 直流母线放电方法、提供操作信号的处理器和电动机系统 DC bus discharge method, provided the operation signal processor and motor system
02/22/2012CN101372208B 具有交叉链接的超级电容器网络的双端逆变器系统 Ultracapacitors with a cross-linked network of double-ended inverter system
02/22/2012CN101357595B 使用双端逆变器系统的串联耦合的双马达驱动 Using a double ended inverter system coupled in series dual motor drive
02/22/2012CN101033578B 车缝速度控制电路 Sewing speed control circuit
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