| 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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| 11/09/2011 | CN202034939U Direct torque control device for novel asynchronous motor based on fuzzy control |
| 11/09/2011 | CN102237845A Method for controlling motor |
| 11/09/2011 | CN102237844A Speed regulating method for air conditioner motor |
| 11/09/2011 | CN102237843A High-performance variable frequency speed regulation method of high-voltage winding asynchronous motor rotor |
| 11/09/2011 | CN101764568B Electro-active movable vehicle, power system and power management method |
| 11/08/2011 | CA2629827C Motor driving system and motor driving method |
| 11/02/2011 | CN202026273U Speed regulation device of three-phase asynchronous wound rotor type motor for crane |
| 11/02/2011 | CN102231619A Automatic voltage regulating electricity stealing prevention pumping unit dragging system |
| 10/27/2011 | US20110260672 High power density switched reluctance machines with hybrid excitation |
| 10/26/2011 | EP2380272A1 Control system for ac motor |
| 10/26/2011 | CN202019337U Novel rapid phase conversion device for single-phase AC (alternate current) motor |
| 10/26/2011 | CN202017636U A decorative ceiling fan having speed-level displayer |
| 10/20/2011 | WO2010149439A3 Device for supplying power to an electric drive for a motor vehicle |
| 10/20/2011 | US20110254493 Method and arrangement in connection with electric device system |
| 10/20/2011 | US20110254492 System having a variable frequency power distribution bus for driving a variable speed motor |
| 10/19/2011 | EP2377238A2 Static synchronous generators |
| 10/19/2011 | EP1992056B1 Method for the predictive closed-loop control of a linear drive or of a linear compressor and linear drive or linear compressor subject to predictive closed-loop control |
| 10/19/2011 | EP1305876B1 Method for controlling an electrical machine by means of a pulse-width modulation inverter |
| 10/19/2011 | DE202010003272U1 Steuergerät Control unit |
| 10/19/2011 | CN101501982B Power supply device for permanent magnet field type linear motor |
| 10/13/2011 | WO2011126836A1 Power factor correction drive circuit topologies and control for switched reluctance machines |
| 10/13/2011 | WO2011026578A3 Method for determining the rotor position of a synchronous machine with field-oriented control |
| 10/12/2011 | EP2374208A1 Electrical power tool for operating with alternating current |
| 10/12/2011 | EP2374206A2 Apparatus, systems, and methods for controlling energy converting devices |
| 10/12/2011 | CN202009361U AC machine controller of hybrid electric bus |
| 10/12/2011 | CN202009360U Embedded-type ACIM control plate |
| 10/12/2011 | CN202009355U Multifunctional digitalized and modularized energy-saving electric controller |
| 10/12/2011 | CN1945960B Rotor position detection in an electrical machine |
| 10/11/2011 | US8035934 Shift switching device and shift switching method |
| 10/11/2011 | US8033795 Linear motor, a linear compressor, a method of controlling a linear compressor, a cooling system, and a linear compressor controlling a system |
| 10/11/2011 | CA2591434C Transistor matrix switched reluctance variable speed motor drive |
| 10/06/2011 | WO2011121835A1 Disturbance suppression load control device |
| 10/06/2011 | US20110241592 Adaptive winding system and control method for electric machines |
| 10/06/2011 | US20110241577 Electrical Power Tool for Operating with Alternating Current |
| 10/06/2011 | DE102010003625A1 Linearmotor für einen Linearverdichter Linear motor for a linear compressor |
| 10/05/2011 | EP2372886A1 Linear motor |
| 10/05/2011 | CN202004604U Multi-winding serial-connection variable-capacity induction motor and control device thereof |
| 10/05/2011 | CN101359856B Electric dust collector |
| 10/04/2011 | US8030868 Electric motor, power apparatus using the same, and self-propelled snow remover |
| 09/29/2011 | WO2011097613A3 Magnetically powered reciprocating engine and electromagnet control system |
| 09/29/2011 | US20110234145 High acceleration rotary actuator |
| 09/29/2011 | DE102011002466A1 Verfahren und System zum Betreiben eines Elektromotors Method and system for operating an electric motor |
| 09/29/2011 | DE102010012665A1 Method for controlling down speed of reluctance motor, involves driving rotor of motor in order to rotate to phase of rotor by counting down phase synchronization time for altering phase of rotor |
| 09/29/2011 | CA2794178A1 Variable electrical generator |
| 09/28/2011 | EP2369124A2 Tubular drive control for a shading device |
| 09/28/2011 | EP2368319A2 Device with a polyphase electrical machine, and related electrical machine |
| 09/28/2011 | CN201994910U 塑料薄膜卷取用异步电机变频控制柜 Plastic film winding asynchronous motor frequency control cabinet |
| 09/28/2011 | CN201990411U 用于双速葫芦的高低速切换装置 High and low speed switching devices for double speed hoist |
| 09/28/2011 | CN101651442B Method and system for correcting electrical angle of motor rotor |
| 09/28/2011 | CN101411053B AC motor driving apparatus and control method |
| 09/22/2011 | WO2011115098A1 Control device and control method |
| 09/22/2011 | WO2010090904A3 Control techniques for motor driven systems |
| 09/22/2011 | WO2010049058A3 Method for adjusting an electrical drive and motor vehicle |
| 09/22/2011 | DE102007055020B4 Vorrichtung zur Energieversorgung einer mehrere Wicklungsabschnitte aufweisenden Langstatorwicklung Apparatus for supplying power to a plurality of winding sections having long stator winding |
| 09/21/2011 | EP2367281A2 Packaging improvement for converter-fed transverse flux machine |
| 09/21/2011 | CN201985813U 一种交流负载控制系统 An AC load control system |
| 09/21/2011 | CN201985812U 离合器电机多功能电控器 Multifunctional electric clutch motor controller |
| 09/21/2011 | CN201983319U 排油烟机极速装置 Hood speed device |
| 09/21/2011 | CN102195544A Drive device of motor |
| 09/21/2011 | CN102195540A Motor driving device |
| 09/15/2011 | WO2010149246A3 Emergency adjusting device for blade adjusting systems of wind power plants |
| 09/15/2011 | WO2010015461A3 Method and device for determining the operating state of an electric machine |
| 09/15/2011 | DE102011003352A1 Verfahren, Systeme und Vorrichtung zur Optimierung von Dritte-Harmonische-Strominjektion in einer mehrphasigen Maschine Methods, systems and apparatus for the optimization of third-harmonic current injection in a multi-phase machine |
| 09/15/2011 | DE102011002743A1 Verfahren, Systeme und Vorrichtung zur Synchron-Stromregelung einer Fünf-Phasen-Maschine Methods, systems, and apparatus for synchronous current control of a five-phase machine |
| 09/14/2011 | CN102185559A Relaying control method for long-stator linear synchronous motor |
| 09/14/2011 | CN102185558A Control method and device for eliminating system buffeting during sliding mode control of linear motor |
| 09/14/2011 | CN102185557A Speed regulation control system of single-phase induction motor |
| 09/14/2011 | CN102185556A Power joint control method for cage motor back-to-back frequency converter and frequency converter |
| 09/13/2011 | US8018195 AC motor drive control device and method |
| 09/13/2011 | US8018188 Method and device for determining the position of a rotor of a brushless and sensorless electric motor |
| 09/06/2011 | US8013563 Motor control apparatus |
| 09/06/2011 | US8013553 Rotary electric system with neutral-point powering system |
| 09/01/2011 | US20110210686 Electric machine |
| 09/01/2011 | DE102011000024A1 Motorantriebsvorrichtung und elektrische Servolenkvorrichtung mit derselben Motor driving apparatus and electric power steering device with the same |
| 08/31/2011 | CN201956965U 一种油田抽油机用调压节能拖动装置 One kind of oil field pumping unit with the regulator saving actuator |
| 08/31/2011 | CN201956964U 一种组合式油田抽油机节能控制仪 A modular oil field pumping unit energy saving control device |
| 08/31/2011 | CN201956963U 电机的控制装置 Motor control means |
| 08/31/2011 | CN201956962U 一种电机智能节电器 A motor Smart Saver |
| 08/31/2011 | CN102171923A Linear synchronous motor control method and control device |
| 08/31/2011 | CN102170264A Novel crane wound motor rotor chopping speed regulation system and method |
| 08/31/2011 | CN102170263A Pumping unit motor energy-saving control method and system |
| 08/30/2011 | US8008876 Hybrid electric vehicle |
| 08/25/2011 | US20110204831 Drive device for alternating current motor and electric motor vehicle |
| 08/24/2011 | CN201947219U 车船用三相交流异步伺服控制电机系统 Travel with a three-phase AC induction motor servo control system |
| 08/24/2011 | CN201947218U 一种单相感应电机调速控制系统 A single-phase induction motor speed control system |
| 08/24/2011 | CN201947084U Double speed motor and control system of same |
| 08/24/2011 | CN102165528A Motor drive circuit |
| 08/23/2011 | US8004223 Wheel driving apparatus and electric vehicle including the same |
| 08/18/2011 | WO2011099506A1 Motorized tool |
| 08/18/2011 | WO2011098245A2 Method and control unit for determining the strength of a magnetization current for an asynchronous motor |
| 08/18/2011 | WO2010108577A3 A magnetic harmonic gearbox |
| 08/18/2011 | WO2010000343A9 Method and apparatus for control of electrical machines |
| 08/18/2011 | CA2789419A1 Electric tool |
| 08/17/2011 | CN201937539U 电动机星角自动转换装置 Motor star angle automatic switching device |
| 08/17/2011 | CN201937538U 一种三相交流异步电机短信控制器 A three-phase AC induction motor controller SMS |
| 08/17/2011 | CN102160278A Arrangement having oscillating motor and method for controlling oscillating motor |
| 08/17/2011 | CN102158171A Stator variable voltage speed control device for crane |
| 08/17/2011 | CN102158170A Drive mechanism |
| 08/17/2011 | CN102158169A Drive control circuit for linear vibration motor |
| 08/17/2011 | CN102158040A High-accuracy electromagnetic force controlled linear motor and control system thereof |