| 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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| 01/19/2011 | EP2275302A1 Bidirectional, variable speed electric motor drive system |
| 01/19/2011 | EP2275301A1 Electric motor drive system with bi-directional variable-speed input and constant directional output |
| 01/19/2011 | CN201715657U Energy saving & environmental protection air-conditioning controller |
| 01/18/2011 | US7872440 Controller of electric motor |
| 01/13/2011 | WO2011005417A2 Dynamic control of an electric drive |
| 01/13/2011 | WO2011004546A1 Reluctance motor apparatus |
| 01/13/2011 | CA2767198A1 Method and apparatus for ac motor control |
| 01/12/2011 | EP2273670A1 Electrical drive system with rotary field electrical machine containing multiple winding systems and method for operation and increase of availability |
| 01/12/2011 | EP2273669A1 Inverter for a switched reluctance motor and mechatronic system |
| 01/12/2011 | EP2273665A2 Control unit and control method for permanent magnet synchronous motor |
| 01/12/2011 | EP2273657A1 Electric motor |
| 01/12/2011 | EP2272162A1 Determining offset angle for synchronous machines |
| 01/12/2011 | CN201708762U Double-voltage control circuit |
| 01/12/2011 | CN201706567U Range hood |
| 01/12/2011 | CN101946399A Electric motor |
| 01/12/2011 | CN101505131B Asymmetric direct power control method for dual feed asynchronous wind power generator |
| 01/06/2011 | WO2011001555A1 Position detection device for movable magnet type linear motor |
| 01/05/2011 | CN101938248A Driving device for electric automobile |
| 12/30/2010 | DE102009030727A1 Electric drive for vehicle, has electric motor e.g. asynchronous motor or synchronous motor, with winding arrangement that comprises sub-windings and converter that comprises sub-converters |
| 12/30/2010 | DE102009029896A1 Verfahren mindestens zur Bestimmung der Läuferposition von rotierenden oder linearen Synchronmaschinen Method for determining the minimum rotor position by rotating or linear synchronous machines |
| 12/29/2010 | WO2010149650A1 Method for at least determining the rotor position of rotating or linear synchronious machines |
| 12/29/2010 | WO2010149246A2 Emergency adjusting device for blade adjusting systems of wind power plants |
| 12/29/2010 | EP2267883A1 Method and control system for controlling a brushless electric motor |
| 12/29/2010 | EP2267882A1 Method and control system for controlling a brushless electric motor |
| 12/29/2010 | CN101931364A Motor driving system and method |
| 12/29/2010 | CN101931360A Power transformation device |
| 12/23/2010 | WO2010147461A1 Amplitude stabilizer for a stirling engine signal generator |
| 12/22/2010 | EP2264885A1 Excitation circuit and control method for flux switching motor |
| 12/22/2010 | CN101925220A Lamp control circuit and lamp using same |
| 12/22/2010 | CN101291133B Motor and control circuit thereof |
| 12/15/2010 | EP2262103A1 Torque harmonic reduction control for switched reluctance machines |
| 12/15/2010 | EP2262102A1 Electrically-powered actuator driving control apparatus and driving control method and vehicle having electrically-powered actuator driving control apparatus |
| 12/15/2010 | CN1719718B Method and device for rotor position detection in an electrical machine |
| 12/15/2010 | CN101919156A Electrical machine |
| 12/15/2010 | CN101917159A System and method for controlling running speed and displacement of linear motor |
| 12/15/2010 | CN101237209B Highly responsive permanent magent motor controller |
| 12/14/2010 | US7852038 Single switch controlled switched reluctance machine |
| 12/14/2010 | US7852037 Induction and switched reluctance motor |
| 12/08/2010 | EP2259422A1 Starting/generating system with multi-functional circuit breaker |
| 12/08/2010 | EP2259412A1 Linear motor unit and electronic component placing apparatus provided with the linear motor unit |
| 12/08/2010 | CN201667636U Intelligent electric actuator control unit |
| 12/08/2010 | CN201667581U Direct-driven climb assisting host |
| 12/08/2010 | CN201666622U Flexible and static-pressure fan-coil unit |
| 12/08/2010 | CN101910629A Gas compressor driven by a linear motor and having a detector of impact between a cylinder and a piston, method of detection |
| 12/08/2010 | CN101473526B Method and apparatus for quiet fan speed control |
| 12/08/2010 | CN101471623B Chopping type bumpless switching bis-PLC intelligent speed-governing system of medium-pressure motor |
| 12/08/2010 | CN101212197B AC motor system with variable number of pole pairs for electric automobile |
| 12/08/2010 | CN101103518B Method for controlling a wound rotor synchronous motor |
| 12/02/2010 | WO2010067021A3 Device with a polyphase electrical machine, and related electrical machine |
| 12/02/2010 | DE102010016929A1 Elektrisch rotierende Maschine mit verbesserter Statorwicklungsanordnung zur Verminderung der magnetischen Störung und der Drehmomentwelligkeit Electric rotating machine with improved stator winding to reduce the magnetic disturbance and torque ripple |
| 12/02/2010 | DE102010003020A1 Automotive drive system comprises three-phase motor having two sets of polarity windings, and inverter module between energy source and motor and having sets of phase legs coupled to corresponding sets of polarity windings |
| 12/01/2010 | EP2171833B1 Supply device for a motor vehicle alternator, and alternator employing such a device |
| 12/01/2010 | CN201663526U Direct-current supply variable frequency speed adjusting three-phase asynchronous motor |
| 12/01/2010 | CN101902197A Speed regulating method and control system of multi-speed single-phase asynchronous motor |
| 12/01/2010 | CN101459408B Motor transmission system without bearing for multiphase single sleeve winding |
| 11/30/2010 | US7844170 Method for controlling fan speed |
| 11/24/2010 | CN201656905U Speed regulating system of a slip power feedback type asynchronous motor with large power and medium-high voltage |
| 11/24/2010 | CN201656904U Motor power saving control device |
| 11/24/2010 | CN201656903U Linear magnetic induction type motor speed regulation signal generating circuit |
| 11/24/2010 | CN201650237U Energy-conservation and electric-control device of pumping unit |
| 11/23/2010 | US7839103 Adjustable frequency PWM driver |
| 11/18/2010 | DE102010009744A1 Motoransteuerungssystem zum Ansteuern eines mit einer Mehrzahl von Wicklungen versehenen Motors Motor drive system for driving a provided with a plurality of windings motor |
| 11/17/2010 | EP2251970A2 Method for regulating a reluctance motor |
| 11/17/2010 | EP1820265B1 Method for controlling a heat engine vehicle driving assembly |
| 11/17/2010 | EP1540431B1 Method for regulating the current flowing through an electromagnetic actuator |
| 11/17/2010 | CN201639543U Energy saving device of beam pumper |
| 11/17/2010 | CN201639542U Control circuit for input current of single-phase alternating-current motor |
| 11/16/2010 | US7834566 Generic motor control system |
| 11/16/2010 | US7834565 Method of controlling a brushless DC motor |
| 11/11/2010 | DE102009017090A1 Verfahren zur Ermittlung von Reglerparametern einer Regelungseinrichtung zur Antriebsregelung eines Antriebssystems Procedure for the determination of controller parameters of a control device for drive control of a drive system |
| 11/10/2010 | CN201629716U Voltage compensation device of rare earths permanent motor |
| 11/10/2010 | CN201629625U Stator winding outgoing line terminal wiring board of rare earths permanent motor |
| 11/10/2010 | CN101884166A Hall-effect based linear motor controller |
| 11/10/2010 | CN101884165A Method for analysing the operation of an electromechanical actuator for the powered manoeuvre of a screen, and actuator for implementing same |
| 11/04/2010 | WO2010126923A2 Position estimation at starting and lower speeds in three-phase switched reluctance machines |
| 11/04/2010 | WO2010126422A1 Vacuum cleaner and method for controlling an electric motor |
| 11/04/2010 | DE102009038928A1 Electric motor e.g. ring motor, for use as wheel hub motor in e.g. car, has stator, rotor and air gap, where air gap is formed between stator and rotor, and size of gap is variable depending on number of revolutions of motor |
| 11/04/2010 | CA2760427A1 Position estimation at starting and lower speeds in three-phase switched reluctance machines |
| 11/03/2010 | EP2246568A2 Control apparatus for linear compressor |
| 11/03/2010 | EP2168235B1 A synchronous electrical machine |
| 11/03/2010 | EP1952527B1 Method and apparatus for quiet fan speed control |
| 11/03/2010 | CN201623686U Winding motor rotor controller |
| 11/03/2010 | CN1938936B Control of motor |
| 10/28/2010 | DE102009018871A1 Method for determining friction characteristics in rail-ball rolling guide, involves detecting speed deviations over changes of current, and calculating variance of friction force of carriage in guide over traveled path from deviations |
| 10/27/2010 | CN101874346A Controlling a power of an electrical motor |
| 10/27/2010 | CN101873099A Method and control circuit for realizing multistep speed regulation of single-phase alternating current motors |
| 10/27/2010 | CN101873013A Electromobile motor and supercapacitor control system based on DSR (Digital Signal Processor) |
| 10/27/2010 | CN101267183B Linear induction motor drive system |
| 10/21/2010 | WO2010118905A2 Apparatus for injecting current |
| 10/21/2010 | US20100264858 Passive converter for drive device of switched reluctance motor |
| 10/14/2010 | DE102009007959A1 Electric motor system, has electric motor with stator windings provided with winding taps from which primary side of transducer i.e. inductive transducer, is supplyable, where load is supplyable from secondary side of transducer |
| 10/13/2010 | CN101860316A Self-adaptive load following control technical system |
| 10/13/2010 | CN101453190B Non feedback type AC frequency conversion apparatus for asynchronous motor |
| 10/12/2010 | US7812555 Electric powertrain system having bidirectional DC generator |
| 10/07/2010 | DE102009014703A1 Elektromaschine, Verfahren zum Betrieb einer fremderregten Synchronmaschine und Verwendung einer fremderregten Synchronmaschine Electric machine, procedures for operating a separately-excited synchronous machine and using a separately-excited synchronous machine |
| 10/06/2010 | EP2237405A1 Control device for the change of the driving modality of an electromagnetic load |
| 10/06/2010 | CN101854145A Automatic voltage-regulating three-phase motor power saver |
| 10/06/2010 | CN101854089A Multi-winding motor and intelligent controller thereof |
| 09/29/2010 | EP2234267A2 Sensorless-brushless motor control device and electric fluid pump using the same |
| 09/29/2010 | EP2232698A1 Electric motor |