Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
08/2011
08/31/2011CN201951267U Golf tour bus with alternating current motor
08/31/2011CN102171922A Ac electric motor controlling apparatus and controlling method
08/31/2011CN102170265A Electric power converter
08/31/2011CN102170261A Drive device for an alternating current motor and an electric motor vehicle
08/31/2011CN102170260A Control apparatus for electric rotating machine
08/31/2011CN102170206A Series hybrid electric vehicle integrated motor structure and control
08/31/2011CN102170152A Elevator self-power-generation storage and electrical energy conversion using device
08/31/2011CN101615885B Oil submersible motor system and transmission method thereof
08/31/2011CN101577518B Speed regulating system of high power factor load current-change synchronous motor
08/31/2011CN101553696B Air conditioner and control method thereof
08/31/2011CN101523717B Power converter
08/31/2011CN101442250B Combined frequency changer for mining
08/30/2011US8008885 Power converters
08/25/2011WO2011101051A2 Device for operating synchronous motors and associated method
08/25/2011WO2011100819A1 Dynamic application of cut-out pulses in alternating current power
08/25/2011WO2011100817A1 Microprocessor controlled variation in cut-out pulse application in alternating current power
08/25/2011US20110204832 Systems and methods for controlling operations of a motor
08/25/2011CA2793700A1 Dynamic application of cut-out pulses in alternating current power
08/25/2011CA2790567A1 Device for operating synchronous motors and associated method
08/24/2011EP2360831A1 Power converter for driving motor
08/24/2011CN201947023U 电梯自发电蓄电及该电能转换使用装置 Elevator self-generating power storage and use of the device that converts electrical energy
08/24/2011CN201943669U 一种油井套管气回收装置 One kind of well casing gas recovery
08/24/2011CN102165684A Vehicle power-supply unit
08/24/2011CN102165666A Electric actuator including two current-controlled voltage inverters powering an electric machine, and reconfigurable in the presence of a defect
08/24/2011CN101540583B Motor controller
08/24/2011CN101420202B Method and system for controlling a power inverter in electric drives
08/18/2011WO2011099506A1 Motorized tool
08/18/2011WO2011099122A1 Power conversion device
08/18/2011US20110199037 Power supply and control unit, particularly for submersed electric motors
08/18/2011CA2789419A1 Electric tool
08/17/2011CN201937542U 内续流式恒能量斩波变频调速电路 Perpetual energy within wheeling chopper inverter circuit
08/17/2011CN201937541U 牵引隔爆变频调速箱 Traction explosion Frequency box
08/17/2011CN201937540U 冷热交换器变频控制装置 Cooled heat exchanger frequency control devices
08/17/2011CN201937526U 一种采煤机的变频调速器 One kind Shearer inverter
08/17/2011CN201936444U 隔爆变频器参数设置装置 Explosion inverter parameter setting means
08/17/2011CN201934299U 一种机械真空泵节能控制系统 A mechanical vacuum pump energy-saving control system
08/17/2011CN201934015U 石油钻机电气传动系统 Oil rig PDSs
08/17/2011CN102158174A Controller for rotating electrical machine
08/17/2011CN102158173A Regenerative charging controlling means for electric vehicle
08/17/2011CN102158172A Motor drive system
08/17/2011CN101662250B Energy storage type electric control driving system of workover rig
08/17/2011CN101428569B Method and system for controlling a power inverter in electric drives of vehicles with two-mode transmissions
08/17/2011CN101390284B Electric motor control apparatus
08/17/2011CN101369799B Motor controller
08/16/2011US7999503 Control module for dynamic operation of a power inverter using an application specific integrated circuit
08/11/2011WO2011096119A1 Elevator control device
08/11/2011WO2011096051A1 Apparatus for controlling rotating electrical machine and method for controlling rotating electrical machine
08/11/2011US20110193509 Power Conversion Device
08/11/2011US20110193507 Method, Controller, and Power Converter for Controlling a Single-Switch Based Switched Reluctance Machine
08/11/2011DE102010007275A1 Drive system for driving shelf control device in storage warehouse, has energy storage arranged in common supply circuit, where energy capacitance of storage is large such that maximum total mechanical energy is received in storage
08/11/2011DE102010001774A1 Verfahren zur Reduzierung des Anlaufstromes einer mit Blockkommutierung betriebenen mehrphasigen Maschine Method to reduce the starting current of a polyphase machine operated with block commutation
08/10/2011CN201928236U 一种电动机节电器 A motor Saver
08/10/2011CN201928235U 一种发酵罐搅拌机的电机控制装置 A fermented tank stirrer motor control device
08/10/2011CN201928234U 矿用牵引变频调速装置 Mine traction frequency control devices
08/10/2011CN201928233U 提升机交流双控高压矩阵变频电控系统 Hoist dual control high voltage AC variable frequency electric control system matrix
08/10/2011CN201928232U 一种基于改进型等面积算法的变流器控制信号生成装置 A signal generating device based on a modified equal-area converter control algorithm
08/10/2011CN201922957U Intelligent control system for alternating-current traction engine
08/10/2011CN102148602A Apparatus for driving compressor of air conditioner and method for driving the same
08/10/2011CN102148582A Electric power converting means
08/10/2011CN102145661A E-drive system
08/10/2011CN101527537B Method for adjusting pulse width by capturing three-phase current information and system for modulating pulse width
08/10/2011CN101471622B Apparatus for controlling inverter
08/10/2011CN101355341B Electric motor systems
08/10/2011CN101346877B Method for controlling a polyphase voltage inverter
08/09/2011US7994750 Systems and methods for controlling a converter for powering a load
08/04/2011WO2011092733A1 Control device for variable-speed pump-up power-generation device
08/04/2011US20110187301 Dual source automotive propulsion system and method of operation
08/04/2011US20110187300 Motor Power Factor Correction Apparatus and Method
08/04/2011US20110187298 Fuel cell system and motor driving method
08/04/2011DE102011003372A1 Dual source automotive propulsion system and method of operation Dual source automotive propulsion system and method of operation
08/04/2011DE102010001593A1 Schaltungsanordnung und Verfahren und Vorrichtung zum Betreiben der Schaltungsanordnung Circuit arrangement and method and apparatus for operating the circuit arrangement
08/03/2011EP1751839B1 Low loss propulsion system
08/03/2011CN201918962U 一种具有充电功能的电机驱动电路 Motor drive circuit having a charging function
08/03/2011CN201918961U 乳化釜电机变频调速装置 Emulsification kettle motor speed control device
08/03/2011CN201918960U 一种破碎机变频控制装置 One kind of crusher frequency control devices
08/03/2011CN102143855A Power conversion device
08/03/2011CN102142801A Motor control system and motor control method
08/03/2011CN102142669A Motor driving device having power failure detection function
08/03/2011CN101469697B Compressor driving apparatus and refrigeration circulating apparatus
08/03/2011CN101375492B Polyphase voltage converter control method
08/03/2011CN101345510B System and method for controlling input line harmonics in a motor drive
08/03/2011CN101317326B Apparatus and method for driving two-phase SRM electric motor
08/03/2011CN101154916B Method for forming high-torque high-efficiency high-voltage variable-power intelligent-driving motor system
08/02/2011US7990099 Power converting device for electric train
08/02/2011US7990098 Series-coupled two-motor drive using double-ended inverter system
08/02/2011US7990097 Power conversion system and method for active damping of common mode resonance
08/02/2011CA2671467C Power supply with two series inverters for a polyphase electromechanical actuator
07/2011
07/28/2011WO2011089800A1 Power conversion device
07/28/2011WO2011089656A1 Motor drive system, motor drive system control method and travelling device
07/28/2011WO2011089643A1 Rescue operation device of elevator
07/28/2011WO2009118299A3 Circuit arrangement for the sensorless operation of a universal motor of a domestic device and corresponding method
07/28/2011US20110181232 Systems and methods for adaptive torque adjustment and motor control
07/28/2011US20110181231 Control device and control method for ac motor
07/28/2011US20110181225 Controller for a rotating electrical machine
07/28/2011DE102010050977A1 Method for de-energizing current-carrying coil of drive motor of motor car, involves disconnecting voltage source from coil, and switching capacitor parallel to coil according to disconnection of voltage source
07/28/2011DE102010001181A1 Verfahren und Vorrichtung zur Strommessung in einem mehrphasigen Stromnetz Method and apparatus for current measurement in a polyphase power network
07/27/2011EP2348631A1 Control of a rotating electric machine
07/27/2011EP2348611A1 Rotating electric machine and electric automobile
07/27/2011EP2347503A1 Motor system and method for operating a motor system
07/27/2011CN201910767U Frequency converter for solar photovoltaic water pump
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