| 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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| 08/17/2011 | CN102158030A Multiwinding series connection variable volume induction motor and control device thereof |
| 08/17/2011 | CN101369799B Motor controller |
| 08/11/2011 | WO2011095231A1 Method and apparatus for controlling a mems micro-mirror device |
| 08/11/2011 | WO2010015819A3 Micro-stepping reluctance motor |
| 08/10/2011 | EP2355335A1 Energy converter |
| 08/10/2011 | CN201928231U 三相电动机控制保护柜 Three-phase motor control and protection cabinet |
| 08/10/2011 | CN201928230U Alternating-current fan driving circuit |
| 08/10/2011 | CN201928221U 一种无轴承同步磁阻电机神经网络广义逆解耦控制器 A non-bearing synchronous reluctance motor using neural network generalized inverse decoupling controller |
| 08/10/2011 | CN201928216U 电动机用单设星角自动转换控制器 A single set of star-delta motor controller automatically converted |
| 08/10/2011 | CN201928215U 电机逻辑控制星角自动转换节电柜 Motor Logic Control star angle is automatically converted saving cabinet |
| 08/04/2011 | US20110187307 Multi-speed induction motor |
| 08/03/2011 | EP2351202A1 Machine type identification |
| 08/03/2011 | CN201918959U 一种上限电流控制电路 One kind of limit current control circuit |
| 08/03/2011 | CN201918958U 能欠压运行的单相异步电动机驱动电路 Brown can run single-phase induction motor drive circuit |
| 08/03/2011 | CN102142809A Drive control circuit for linear vibration motor |
| 08/03/2011 | CN102142808A Drive control circuit for linear vibration motor |
| 08/03/2011 | CN102142807A Drive control circuit for linear vibration motor |
| 08/03/2011 | CN102142751A Phase shifting method for multiple-time electric quantity of single-phase capacitor operation motor and circuit structure thereof |
| 08/03/2011 | CN101317326B Apparatus and method for driving two-phase SRM electric motor |
| 08/03/2011 | CN101154916B Method for forming high-torque high-efficiency high-voltage variable-power intelligent-driving motor system |
| 08/02/2011 | US7988593 Creep control for motor system |
| 07/29/2011 | CA2716763A1 Motor controller for electronic driving motor and control method thereof |
| 07/28/2011 | WO2009118299A3 Circuit arrangement for the sensorless operation of a universal motor of a domestic device and corresponding method |
| 07/28/2011 | WO2009068888A3 Control of electrical machines |
| 07/27/2011 | EP2347502A2 Method for the operation of synchronous motors, and associated device |
| 07/27/2011 | CN201910765U Energy-saving starting control circuit of asynchronous motor |
| 07/27/2011 | CN102136823A Alternating-current load control system |
| 07/27/2011 | CN101290524B Fan circuit |
| 07/21/2011 | WO2011085882A1 Disconnection from mains using switches for power tools |
| 07/21/2011 | WO2011085805A1 Method and device for operating an asynchronous motor having increased efficiency |
| 07/21/2011 | WO2009068889A3 Control of electrical machines |
| 07/20/2011 | EP2346157A1 pincer type phase inversion device |
| 07/20/2011 | EP2345147A1 System and method for controlling power balance in an electrical/mechanical system |
| 07/20/2011 | EP2345146A2 Motor driver and method of controlling the same |
| 07/20/2011 | CN201904754U Energy-saving power distributor capable of automatically matching power of ultrahigh slip ratio electromotor for pumping well |
| 07/20/2011 | CN102130651A Operation control circuit of alternating current motor |
| 07/20/2011 | CN102130650A Method for testing and adjusting single-phase capacitor motor |
| 07/20/2011 | CN102130643A Capacitor bootstrap drive circuit and method of switched reluctance motor |
| 07/19/2011 | US7983800 Apparatus and method for controlling fan motor of air conditioner |
| 07/19/2011 | US7979938 Changing amplitude of movement by changing the drive frequency of a toothbrush brushhead |
| 07/12/2011 | US7977910 Method of starting a synchronous motor with a brushless DC exciter |
| 07/07/2011 | WO2011047681A3 An ac single phase induction motor, a device for operating a single phase induction motor, and a compressor with such a motor or device |
| 07/07/2011 | US20110163708 Motor drive apparatus and electric power steering apparatus using the same |
| 07/07/2011 | DE112009002086T5 Verfahren und Steuervorrichtung zur Steuerung eines Linearsynchronmotors A method and control apparatus for controlling a linear synchronous motor |
| 07/06/2011 | CN201893749U Circuit structure for current switches of three-phase AC motor |
| 07/06/2011 | CN1989690B Method and apparatus for instability detection and correction in a domestic combined heat and power unit |
| 07/06/2011 | CN102118130A Self-lifting high-side driver control for driving motor bridging circuit without static DC current |
| 06/30/2011 | WO2011051729A3 Variable rotation speed motor control system and the method thereof |
| 06/30/2011 | DE102010061529A1 Motorantriebsvorrichtung und dieselbe verwendende Servo-Lenkvorrichtung Motor driving apparatus used and the same servo-steering device |
| 06/30/2011 | DE102010061528A1 Motorantriebsvorrichtung und dieselbe verwendende elektrische Servo-Lenkvorrichtung Motor driving apparatus used and the same electric power steering device |
| 06/29/2011 | CN201887718U Wire-wound motor stator voltage-speed adjustment control device |
| 06/29/2011 | CN201887592U Automatic reversing motor for rice milling and grinding combined machine |
| 06/29/2011 | CN102113201A Regenerative switched reluctance motor driving system |
| 06/29/2011 | CN102111104A Control-driven circuit of permanent magnet electromagnetic drive device |
| 06/29/2011 | CN101150283B Method and circuit for dual PWM mixed cut wave control switch part |
| 06/28/2011 | US7969105 Capacitor based energy storage |
| 06/28/2011 | US7969103 Block switching transient minimization for linear motors and inductive loads |
| 06/23/2011 | WO2011047682A3 A motor and a relay for a motor |
| 06/23/2011 | US20110148332 Power tool |
| 06/23/2011 | US20110148331 Motion control system self-calibrating |
| 06/22/2011 | EP2337215A1 Method and device for controlling the effective voltage of an electrical consumer |
| 06/22/2011 | CN201878090U Air conditioner, alternating-current motor and speed regulating device of alternating-current motor |
| 06/16/2011 | CA2783878A1 Pole-slip protection system and method for synchronous machines |
| 06/15/2011 | EP2332245A1 System and method of controlling current draw of a switched reluctance motor for a vacuum cleaner |
| 06/15/2011 | EP2332240A1 System and method of controlling start-up of a switched reluctance motor |
| 06/15/2011 | EP2330960A2 Vacuum assembly with inlet through removable tank |
| 06/15/2011 | CN201869156U Message controller for single-phase alternating current asynchronous machine |
| 06/15/2011 | CN102098001A Controllable dual-power parallel asymmetric inverter for single phase induction motor |
| 06/15/2011 | CN102097986A Construction method for neural network generalized inverse decoupling controller of bearing-free synchronous reluctance motor |
| 06/15/2011 | CN102097916A Long-stroke DC linear motor and control system thereof |
| 06/15/2011 | CN101090252B Electric saving method for AC motor and corresponding AC motor electric saver |
| 06/14/2011 | US7958830 Contactless energy supply for moving consumers |
| 06/09/2011 | WO2011067467A1 Motor control system for a hoist drive |
| 06/08/2011 | CN102088272A 10kV digital high-voltage stator variable voltage control device |
| 06/02/2011 | US20110129368 Variable speed drive system |
| 06/01/2011 | CN102084587A Method and apparatus for control of electrical machines |
| 06/01/2011 | CN102082544A Bearingless synchronous reluctance motor torque and suspension force direct controller and construction method thereof |
| 05/26/2011 | DE10334213B4 Vorrichtung zum Steuern des Antriebs eines Linearmotors und Verfahren dazu An apparatus for controlling the drive of the linear motor and method thereof |
| 05/26/2011 | CA2780849A1 Pitch drive device for a wind power or hydroelectric power station |
| 05/25/2011 | CN201846302U Controller for speed governing system of switched reluctance motor used for spindle of weaving machine |
| 05/25/2011 | CN201846300U Closed loop vector control frequency converter |
| 05/19/2011 | DE102010037581A1 Steuervorrichtung für eine mehrphasige drehende Maschine und ein elektrisches Servo-Lenksystem A control apparatus for a multiphase rotary machine and an electric power steering system |
| 05/18/2011 | EP1665513B1 Multiphase motor winding topology and control |
| 05/18/2011 | CN201839256U Control system of atmospheric relief secondary door of boiler |
| 05/18/2011 | CN201839255U Current-limiting moment-increasing controller of winding type asynchronous motor |
| 05/18/2011 | CN102064762A System and method for generating extrinsic parameter value of separately excited machine controller |
| 05/18/2011 | CN102064761A Speed adjusting switch for electrical tool |
| 05/18/2011 | CN101783648B Gear position identifying device and identifying method thereof for multi-speed motor |
| 05/12/2011 | WO2008110964A3 Controlling a power of an electrical motor |
| 05/12/2011 | US20110109258 2 speed 2/4-pole psc/psc motor with independent main windings and shared auxiliary winding |
| 05/12/2011 | DE102009046545A1 Hausgerät zur Pflege von Wäschestücken und Verfahren zum Betreiben eines bürstenbehafteten Gleichstrommotors Domestic appliance for laundry care and method for operating a brushed DC motor |
| 05/12/2011 | CA2780084A1 Electric drive and battery-charging power electronic system |
| 05/11/2011 | EP2320556A2 Power converter device |
| 05/11/2011 | EP2320548A2 DC bus boost method and system for regenerative brake |
| 05/11/2011 | EP1279218B1 Method for controlling a reluctance motor |
| 05/11/2011 | CN201824540U Variable frequency electricity economizer of single-phase injection molding machine |
| 05/11/2011 | CN101427457B Driving control apparatus and method for linear compressor |
| 05/11/2011 | CN101009455B Long range big-push force permanent-magnet brushless linear DC motor |
| 05/05/2011 | US20110101906 Synchronous electric motor system |
| 05/04/2011 | EP2316161A2 Method and device for generating electric energy from mechanical excitation oscillation |