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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05/15/2012 | US8179067 Electric energy exchange system, in particular for a hybrid vehicle |
05/15/2012 | CA2702748C Wheel diameter measuring apparatus of electric vehicle |
05/15/2012 | CA2666250C Electric power converter |
05/15/2012 | CA2654277C Vector control device of induction motor, vector control method of induction motor, and drive control device of induction motor |
05/10/2012 | WO2012060357A1 Power converter |
05/10/2012 | US20120112680 Electric machine system including an alternating electric current (ac) electric machine having a switch module |
05/10/2012 | US20120112568 Cooling system for an electric machine system including an alternating current (ac) electric machine having an integrated switch assembly |
05/09/2012 | EP2449667A1 Inverter and method for operating a system having inverters |
05/09/2012 | CN202218191U High-low voltage frequency conversion speed regulation power saving control device |
05/09/2012 | CN202218190U Motor-driven circuit |
05/09/2012 | CN102449900A Method for operating an induction machine containing a pulse-controlled converter |
05/09/2012 | CN102449219A Washing machine |
05/09/2012 | CN101461130B Motor drive control system and control method thereof |
05/09/2012 | CN101197546B Power conversion apparatus and motor drive system |
05/09/2012 | CN101188388B Power conversion apparatus and motor system |
05/08/2012 | US8174222 Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pump |
05/03/2012 | WO2011133234A3 Blower motor for hvac systems |
05/03/2012 | US20120104981 Driving device of brushless dc motor for fan |
05/02/2012 | CN202210773U Built-in frequency conversion controller |
05/02/2012 | CN102437814A Bi-directional back-boost-type inverter device |
05/02/2012 | CN102437801A PWM (Pulse-Width Modulation), S-PAM (Spectrum-Pulse Amplitude Modulation) and PHASE linkage control motor driving method, device and system |
05/02/2012 | CN102437756A Electric device and a method for measuring the electromotive force of thedevice |
05/02/2012 | CN102437722A Brake unit and power conversion equipment |
05/02/2012 | CN101849058B Washing machine |
05/02/2012 | CN101807877B Control method for matrix frequency converter during supply of DC source |
05/02/2012 | CN101449457B Motor-driven control system and its control method |
05/01/2012 | US8169180 Motor controller of air conditioner |
05/01/2012 | US8169179 Open-ended control circuit for electrical apparatus |
04/26/2012 | US20120098470 Electronic control unit including discharging circuit with plurality of resistors connected in series |
04/26/2012 | DE102010049169A1 Verfahren zur Steuerung einer elektrischen Drehfeldmaschine einer mobilen Arbeitsmaschine Method for controlling a rotary electric machine of a mobile machine |
04/26/2012 | DE102010042915A1 Verfahren zum Betrieb eines elektrischen Antriebssystems A method of operating an electric drive system |
04/26/2012 | DE102008035529B4 Einrichtung zum Ansteuern eines Drehstrommotors, insbesondere eines Asynchronmotors Means for driving an AC motor, particularly an asynchronous motor, |
04/25/2012 | CN202206344U Integrated control system based on high-voltage motor control and reactive power compensation |
04/25/2012 | CN202206343U 一种通信交换机的节能装置 Saving device switches a communication |
04/25/2012 | CN202206278U 低速内转子永磁驱动装置 Low-speed permanent magnet rotor drive |
04/25/2012 | CN102428641A Motor drive control device |
04/25/2012 | CN101931366B 一种基于超级电容的电机节能驱动的电路及控制方法 Based on the super capacitor energy-driven motor circuit and control method |
04/24/2012 | US8164297 Power converter and motor driving system |
04/24/2012 | CA2663173C Controller for ac rotary machine |
04/19/2012 | WO2011133937A3 Apparatus for selecting speed of electrically commutated motor for use in hvac system |
04/19/2012 | DE102008022928B4 Antrieb und Verfahren zur Korrektur eines Spannungsfehlers des Antriebs Drive and method for correcting an error of the drive voltage |
04/18/2012 | CN102422524A Power conversion device, and method for controlling the condenser voltage of the power conversion device |
04/18/2012 | CN102420566A 一种无刷双馈电机控制装置及其控制方法 A brushless doubly-fed motor control device and control method |
04/18/2012 | CN102420565A Motor control device |
04/18/2012 | CN102420564A 高压变频器智能旁路系统 High-voltage inverter Intelligent Bypass System |
04/18/2012 | CN102420563A 高压变频器智能旁路系统 High-voltage inverter Intelligent Bypass System |
04/18/2012 | CN101860320B Electric automobile motor control circuit with charging function |
04/18/2012 | CN101694985B 直线感应电机在线参数辨识方法 Linear Induction Motor Parameter Identification Method |
04/12/2012 | WO2012046410A1 Current control gain adjusting method for pm motor, current control method, and control device |
04/12/2012 | WO2012046409A1 Motor constant calculating method for pm motor, and motor constant calculating device |
04/12/2012 | DE10142751B4 Vorrichtung bei einem Antrieb und Verfahren für die Vorrichtung A device in a drive for the apparatus and method |
04/11/2012 | EP2439840A1 Method for controlling the discharge pump of a household appliance and processing unit for implementing said method |
04/11/2012 | CN102414979A 同步电动机的磁极位置估计装置 Synchronous motor magnetic pole position estimation means |
04/11/2012 | CN102414978A Power conversion device |
04/11/2012 | CN102414043A Power supply system of electric vehicle and control method thereof |
04/11/2012 | CN102412783A 振动放矿机调速操作台 Vibration motor speed control console Ore |
04/11/2012 | CN102412782A System and method for controlling power supply switch in bypass frequency conversion stairway |
04/11/2012 | CN102412781A 一种整体移动式高压变频电控装置 A monolithic high voltage inverter mobile electronic control device |
04/11/2012 | CN102412780A Electric machine system including an electric machine having switched stator windings |
04/11/2012 | CN102412775A 一种机车多模块变频交流辅助系统及实现方法 One kind of multi-module frequency AC locomotive auxiliary systems and implementation |
04/11/2012 | CA2747023A1 Dephasing control |
04/10/2012 | US8154240 Control apparatus for electric railcar |
04/05/2012 | WO2012043235A1 Drive-device control device |
04/05/2012 | WO2012043234A1 Drive-device control device |
04/05/2012 | WO2012043233A1 Control apparatus for drive apparatus |
04/05/2012 | WO2012043116A1 Motor control device |
04/05/2012 | US20120081061 Adaptive harmonic reduction apparatus and methods |
04/05/2012 | US20120081058 Dc power for sgct devices using a high frequency current loop with multiple current transformers |
04/05/2012 | DE102011083753A1 Vorrichtungen und Verfahren zur adaptiven Harmonischenreduzierung Devices and methods for adaptive harmonic reduction |
04/05/2012 | DE102010047019A1 Method for starting-up of electric drive of combustion engine of hybrid vehicle, involves magnetizing electric machine during starting-up to flux that is smaller than nominal flux, where drive is asynchronous machine or reluctance machine |
04/05/2012 | DE102010047017A1 Method for controlling converter-fed asynchronous machine for hybrid system used in hybrid vehicle, involves determining end of rotation torque request for machine, and reducing magnetic flux of machine after certain period |
04/05/2012 | DE102010041818A1 Elektrisch betriebenes Bodenpflegegerät Electrically operated floor care equipment |
04/04/2012 | EP2437392A1 Control device and control method for alternating current motor |
04/04/2012 | EP2437391A1 Device for estimating magnetic pole position in synchronous motor |
04/04/2012 | EP2436821A1 Washing machine |
04/04/2012 | CN102403958A 电动机驱动装置 The motor driving device |
04/04/2012 | CN102403957A Harmonic-free frequency conversion speed adjusting device |
04/04/2012 | CN102403956A Motor driving apparatus |
04/04/2012 | CN102403953A 一种电动车交流异步驱动电机的柔性控制系统和方法 An electric vehicle drive flexible AC asynchronous motor control system and method |
04/04/2012 | CN102403946A Equivalent AC-DC-AC matrix high voltage frequency converter control method based on space vector modulation |
04/04/2012 | CN102403936A 电驱动装置 Electric drive |
04/04/2012 | CN101714826B 多相电流供给电路、驱动装置、压缩机及空气调和机 Multiphase current supplying circuit, the drive apparatus, and air conditioner compressor |
04/04/2012 | CN101557194B 电动机驱动装置 The motor driving device |
04/03/2012 | US8148935 Machine with flywheel-less buffer drive |
04/03/2012 | US8148927 Alternating-current motor control apparatus |
03/29/2012 | WO2012039309A1 Motor driving system and motor system |
03/29/2012 | WO2012037983A1 Method for controlling an asynchronous machine having a converter in a manner that is optimal for (copper) loss |
03/29/2012 | US20120076277 Asynchronous motor with features creating magnetic field disturbance |
03/29/2012 | US20120074774 Apparatus for energy transfer using converter and method of manufacturing same |
03/28/2012 | EP2134967B1 Electro-compressor and air conditioner having the same |
03/28/2012 | CN202178738U 一种削弱pet-ct启动对电网冲击的装置 One kind of pet-ct start to weaken the impact of the device on the grid |
03/28/2012 | CN202178736U 工矿用机车牵引变频器 Mining locomotive traction drive |
03/28/2012 | CN202178730U 用于脱缆钩的变频控制系统 Release Hook for frequency control system |
03/28/2012 | CN202176319U 抽油机冲次调整装置 Pumping of stroke adjustment device |
03/28/2012 | CN102396150A Power circuit, and computer-readable recording medium containing a control program for power circuits |
03/28/2012 | CN102396149A Polyphase ac motor, driving device and driving method therefo |
03/28/2012 | CN102396144A Inverter device, electric motor drive device, refrigeration/air-conditioning device, and electric power generation system |
03/28/2012 | CN102394564A Method for raising dandy roll speed stability |
03/28/2012 | CN102394563A Safe dragging system of high-voltage elevator, and commissioning control mode and working method thereof |
03/28/2012 | CN101729017B Control apparatus for induction motor |