| Patents for H02P 25 - Arrangements or methods for the control of ac-motors characterised by the kind of ac-motor or by structural details (7,591) |
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| 02/22/2012 | EP2420200A1 A circuit configuration with a vibrating motor and a method for actuating a vibrating motor |
| 02/22/2012 | CN202150833U 牵引调速装置 Traction control devices |
| 02/22/2012 | CN202150832U 一种密封件炼胶机的节能装置 Energy-saving devices a seal mixing machine |
| 02/22/2012 | CN202150831U 电动车辆的电机驱动控制装置 Motor-driven electric vehicle control apparatus |
| 02/22/2012 | CN102361434A Method for expanding power supply frequency of constant voltage frequency conversion asynchronous motor |
| 02/22/2012 | CN102361432A Electric actuating mechanism for dynamic force equilibrium positioning |
| 02/22/2012 | CN102361431A Double-speed motor controller and control method thereof |
| 02/16/2012 | US20120038308 Rotating transformer for supplying the field winding in a dynamoelectric machine |
| 02/08/2012 | EP2415150A2 Method for operating an electrical machine and device for carrying out said method |
| 02/08/2012 | CN202143028U 三相交流异步电机变频调速控制装置 Three-phase AC induction motor speed control device |
| 02/08/2012 | CN101534091B 矿用隔爆兼本质安全型变频调速装置 Mine explosion-proof and intrinsically safe frequency control devices |
| 02/08/2012 | CN101313458B 用于使用多个him电动机的风扇的驱动装置 Using a plurality of driving means for the fan motor him |
| 02/02/2012 | US20120025747 Method of operating an electromechanical converter, a controller and a computer program product |
| 02/02/2012 | US20120025742 Vibration generating apparatus |
| 02/01/2012 | EP2413496A2 A control system of an induction alternating-current motor rotational speed with correction of turning on of a mosfet transistor |
| 02/01/2012 | EP2412091A2 Electric motor system |
| 02/01/2012 | EP2412089A2 Method and amplifier for operating a synchronous motor |
| 02/01/2012 | EP2412086A1 Motor for linear and rotary movement |
| 02/01/2012 | CN102340279A Drive control circuit for linear vibration motor |
| 02/01/2012 | CN102025315B 分离冷却型轨道交通用高温超导直线电机驱动装置 Rail traffic separation cooled HTS linear motor drive unit |
| 01/26/2012 | US20120019188 Induction motor control device and induction motor group control system |
| 01/26/2012 | US20120019187 Method for controlling a permanent magnet synchronous electric motor at steady-state, electronic device for implementing said method and motor assembly comprising said electronic device |
| 01/26/2012 | DE102011103884A1 System operating method, involves limiting rotation speed of drive in safe system state such that motor voltage is limited by control electronic unit to limiting value and monitored by superordinate computer |
| 01/26/2012 | CA2805787A1 Method and apparatus for control of a synchronous permanent magnet motor, particularly over a long cable in a well |
| 01/24/2012 | US8102135 Motor and drive control system thereof |
| 01/19/2012 | WO2012006701A1 A control method for a resonant linear compressor and an electronic control system for a resonant linear compressor applied to a cooling system |
| 01/19/2012 | WO2010090910A3 Control techniques for motor driven systems |
| 01/18/2012 | EP2407339A1 Electrical drive device for mechanical equipment and associated method |
| 01/18/2012 | EP2407298A2 Vibration Welding System with a pair of electromagnets |
| 01/18/2012 | CN102324889A Speed regulation circuit for alternating current motor |
| 01/12/2012 | US20120007535 Inverter type motor drive |
| 01/12/2012 | DE102011051233A1 Motoransteuervorrichtung und -verfahren und elektrisches Lenkhilfesystem, welches dieselben verwendet The motor driving device and method, and electric assist steering system using the same |
| 01/12/2012 | DE102011051232A1 Motorantriebsvorrichtung und elektrisches Servolenkungssystem mit derselben Motor driving apparatus and electric power steering system with the same |
| 01/11/2012 | EP2405567A1 Switch for operating a hoisting gear |
| 01/11/2012 | EP2404375A2 Electrodynamic braking device for a universal motor |
| 01/11/2012 | EP2404374A2 Electrodynamic braking device for a universal motor |
| 01/11/2012 | CN202111941U Power plate of polyphase motor power driving controller |
| 01/11/2012 | CN202111657U Speed regulating device of kiln head exhaust fan |
| 01/11/2012 | CN102315820A Double power converter suitable for electric vehicle |
| 01/11/2012 | CN102315819A Torque motor driving device for wire cut electrical discharge machines |
| 01/11/2012 | CN101517887B Method for controlling AC linear motors, device for driving AC linear motors, and system of AC linear motors |
| 01/05/2012 | WO2012002544A2 Linear actuator device |
| 01/05/2012 | WO2012000507A1 Permanent magnet generator inductance profile identification |
| 01/05/2012 | DE102004037122B4 Vorrichtung und Verfahren zur Steuerung des Betriebs eines Kompressors Apparatus and method for controlling the operation of a compressor |
| 01/04/2012 | CN202103623U Device for realizing driving motor three-phase connection automatic switching |
| 12/29/2011 | WO2011070520A3 Pole-slip protection system and method for synchronous machines |
| 12/29/2011 | DE102011051234A1 Motoransteuervorrichtung und -verfahren und elektrisches Lenkhilfesystem, welches dieselbe verwendet The motor driving device and method, and electric assist steering system using the same |
| 12/29/2011 | DE102011004817A1 Verfahren, Systeme and Vorrichtung zuin Übersteuern einer fünfphasigen Maschine Methods, systems, and apparatus Zuin Overriding a five-phase machine |
| 12/28/2011 | EP2400656A2 Method for Operating a Wind Turbine, Coil Arrangement for an Electric Machine, and Controller for a Wind Turbine |
| 12/28/2011 | EP2179501B1 Device for supplying a home automation actuator and operation method of said device |
| 12/28/2011 | CN202094840U 新型起重绕线电动机转子斩波调速系统 The new crane wound rotor chopper controlled |
| 12/28/2011 | CN202094839U 直线电机滑模控制中系统抖振消除控制装置 Linear motor sliding mode control system to eliminate chattering control device |
| 12/28/2011 | CN202094831U 一种开关磁阻电机的定位控制装置 Locate a switched reluctance motor control device |
| 12/22/2011 | WO2011158732A1 Linear motor control device |
| 12/22/2011 | US20110309785 3t-y winding connection for three phase multiple-speed motor |
| 12/21/2011 | CN202077501U 集杀虫清虫于一体的可调型频振式杀虫灯 Set clear insecticide insects in one of the adjustable frequency vibration killing lamp |
| 12/21/2011 | CN102292909A 能量转换器 Energy converters |
| 12/15/2011 | WO2011126836A4 Power factor correction drive circuit topologies and control for switched reluctance machines |
| 12/14/2011 | EP2395654A2 Motor drive circuit |
| 12/14/2011 | EP2395653A2 Method for controlling three single-phase motors and moving a platform in a normal direction and appropriate platform |
| 12/14/2011 | EP2395645A2 Method and arrangement in connection with electric drive system |
| 12/14/2011 | CN1878632B 电动工具和用于控制电动工具的方法 The method of controlling the power tools and power tools for |
| 12/13/2011 | US8076875 Switched reluctance motor and connection method for sensor shutter thereof |
| 12/08/2011 | US20110296702 Laundry Machine with a Heat Pump System and Motor Control Therefor |
| 12/08/2011 | DE102011001171A1 Leistungswandler Power converter |
| 12/07/2011 | CN202068374U 智能电机节电器 Intelligent Motor Saver |
| 12/07/2011 | CN102268808A 具有热泵系统的衣物处理机 Laundry machine having a heat pump system |
| 12/06/2011 | US8072180 Synchronous sampling of PWM waveforms |
| 12/06/2011 | CA2592354C Apparatus and method for driving an induction motor |
| 12/01/2011 | DE102010029370A1 U-Boot-Propulsionsantriebssystem Submarine Propulsionsantriebssystem |
| 12/01/2011 | DE102010021984A1 Motor vehicle for use as hybrid vehicle i.e. electric car, has electric machine driving wheel, where supplementary electronic unit converts electrical direct voltage into alternating voltage that is redundantly supplied to electric machine |
| 11/30/2011 | EP2390999A2 Method of controlling vibration motor |
| 11/30/2011 | CN202059369U 一种起重机用定子调压调速装置 One kind of crane stator voltage control device |
| 11/30/2011 | CN202059368U 转子控制器 Rotor Controller |
| 11/30/2011 | CN202059367U 轮胎拆装机电机转速的控制系统 Tire changer machine motor speed control system |
| 11/30/2011 | CN1495992B 用于开关磁阻电机的电路 For switched reluctance motor circuit |
| 11/30/2011 | CN102265490A 线性电动机 Linear motors |
| 11/30/2011 | CN102263537A 移动终端线性马达的控制电路 Mobile terminal linear motor control circuit |
| 11/24/2011 | WO2011145743A1 Determination of a commutation offset and a compensation map for a stage |
| 11/24/2011 | WO2011144006A1 Permanent magnet electromagnetic driving device, control method and special control circuit |
| 11/24/2011 | WO2011086019A3 A fault tolerant electrical machine |
| 11/24/2011 | WO2010110483A3 Electric motor system |
| 11/24/2011 | WO2010108650A3 Electric machine, method for operating a separately excited synchronous machine and use of a separately excited synchronous machine |
| 11/24/2011 | US20110284695 Drive device for applying a magnetic pulse to a mechanical assembly and aircraft load ejection device implementing same |
| 11/23/2011 | CN102257723A Control system for AC motor |
| 11/23/2011 | CN102255599A Methods and systems for induction motor control |
| 11/23/2011 | CN102255598A Method for controlling electronic pole inversion of multiphase induction motor on basis of vector control |
| 11/23/2011 | CN101542411B Seismic isolation control system |
| 11/17/2011 | WO2010112132A3 Method and device for controlling a synchronous motor which is separately excited by an excitation winding |
| 11/16/2011 | EP2387145A2 Synchronous disturbance suppression in a variable speed motor drive |
| 11/16/2011 | CN102246408A Apparatus, systems, and methods for controlling energy converting devices |
| 11/16/2011 | CN102246401A Thrust generation mechanism, drive device, XY stage, and XYZ stage |
| 11/16/2011 | CN102244495A Drive control circuit for linear vibration motor |
| 11/16/2011 | CN102244494A Drive control circuit for linear vibration motor |
| 11/12/2011 | CA2739779A1 Phase control apparatus |
| 11/10/2011 | WO2010126923A3 Position estimation at starting and lower speeds in three-phase switched reluctance machines |
| 11/10/2011 | WO2010112153A3 Method for operating an electrical machine and device for carrying out said method |
| 11/10/2011 | US20110273128 Synchronous motor and system for driving synchronous motor |
| 11/09/2011 | CN202034941U Energy saving drag automatic control device of oil pumping unit |
| 11/09/2011 | CN202034940U Full-digital double closed-loop inner feedback high frequency IGBT (insulated gate bipolar transistor) chopping wave speed regulation device |