| Patents for H02P 23 - Arrangements or methods for the control of ac-motors characterised by a control method other than vector control (5,487) |
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| 01/23/2013 | CN202696536U In-situ and remote distributed control system (DCS) interlock electric device for electric machine |
| 01/23/2013 | CN202696535U In-situ and remote interlock electric control device for electric machine |
| 01/23/2013 | CN102893511A System and method for motor speed estimation of an electric motor |
| 01/23/2013 | CN102891648A Motor driving circuit and motor driving system |
| 01/23/2013 | CN102195557B Pump motor control method and device |
| 01/17/2013 | US20130015796 Converter for an electrical machine, controller and method for operating a converter |
| 01/16/2013 | EP2546979A1 Method for controlling harmonics and resonances in an inverter |
| 01/16/2013 | EP2546978A1 Power converter |
| 01/16/2013 | CN102882466A Energy-saving frequency converter of induction motor direct torque control speed regulating system and structured approach |
| 01/16/2013 | CN102882465A System for use in controlling motor torque |
| 01/16/2013 | CN102882464A Motor driving circuit and motor device |
| 01/16/2013 | CN101803137B Earth leakage detection circuit |
| 01/15/2013 | US8354817 Methods and systems for diagnosing stator windings in an electric motor |
| 01/10/2013 | US20130009572 Apparatus for controlling speed in induction motor |
| 01/09/2013 | EP2544364A1 Torque observer on the basis of the measurement of output current and output voltages |
| 01/09/2013 | EP2544358A1 Control system for doubly-fed induction machine |
| 01/09/2013 | CN202663352U Automatic energy saving controller of motor |
| 01/09/2013 | CN102870321A Method and device for determining output torque of an electric drive |
| 01/08/2013 | US8350508 Control system for an electric machine |
| 01/08/2013 | US8350505 Method for ascertaining a correction value for the angle of the rotor of an electrically commuted reversible synchronous motor |
| 01/03/2013 | WO2013000654A2 Control device and method for controlling an electric machine |
| 01/03/2013 | US20130002186 Power converter |
| 01/03/2013 | DE112010003976T5 Motorsystem Motor system |
| 01/02/2013 | EP2541757A1 Control device and method for controlling an electric machine |
| 01/02/2013 | CN102857172A Intelligent motor power-saving control instrument |
| 01/02/2013 | CN102847725A Control device of induction electric motor and control method of induction electric motor |
| 12/27/2012 | WO2012176553A1 Motor control device and electric power steering device using same |
| 12/27/2012 | WO2012007396A3 Method and device for determining a momentary torque of an electronically switched electric machine and for regulating the average torque |
| 12/27/2012 | US20120326652 High power-density, high efficiency, non-permanent magnet electric machine |
| 12/27/2012 | DE19634186B4 Netzgeführte Thyristorbrücke Line-commutated thyristor |
| 12/27/2012 | DE102012209036A1 Rotor-Temperaturabschätzung für ein elektrisches Fahrzeug Rotor temperature estimation for an electric vehicle |
| 12/26/2012 | EP2538547A1 Device and method for identifying mechanical parameters of an alternating current asynchronous motor without using a position sensor |
| 12/26/2012 | EP2537789A2 Method for determining the inertia factor of a motor assembly of a lift assembly |
| 12/26/2012 | CN102843092A Driving method for preventing resonance of variable frequency motor |
| 12/26/2012 | CN101682158B System and method for determining stator winding resistance in an AC motor |
| 12/25/2012 | US8339094 Methods, systems and apparatus for overmodulation of a five-phase machine |
| 12/25/2012 | US8339093 System and method of dynamic regulation of real power to a load |
| 12/25/2012 | US8339089 Power converter |
| 12/20/2012 | WO2012172488A1 Electric drive unit |
| 12/20/2012 | US20120319636 Method and device for assessing the damage to rolling bearings, in particular in inverter-fed electric machines |
| 12/19/2012 | EP2534751A1 Method for controlling a machine or an electrical load supplied with electric power over a long line |
| 12/19/2012 | CN102835023A Rectifier based torsional mode damping system and method |
| 12/19/2012 | CN101997476B Motor driving device and method |
| 12/13/2012 | WO2012169413A1 Construction machine |
| 12/12/2012 | EP2533416A2 Control system for electric motor applied to cyclic loads and control method for electric motor applied to cyclic loads |
| 12/12/2012 | CN101174813B Energy-saving control method of oil pumping machine |
| 12/11/2012 | US8330409 Drive unit for rotating electrical machine |
| 12/06/2012 | WO2012164690A1 Method for detecting abnormality in refrigeration apparatus and apparatus therefor |
| 12/06/2012 | WO2012163583A1 Fuel pumping device with brushless dc machine |
| 12/06/2012 | WO2011128684A3 Control of a brushless motor |
| 12/06/2012 | US20120306430 Microcomputer for controlling ultrasonic motor, and method for controlling ultrasonic motor |
| 12/06/2012 | US20120306423 Motor control system implementing field weakening |
| 12/06/2012 | US20120306416 Brushless motor drive device and drive method |
| 12/05/2012 | EP2529480A2 Method for improving efficiency in a multiphase motor, and motor for implementing such a method |
| 12/05/2012 | CN202586868U Motor driver and vehicle using motor driver |
| 12/04/2012 | US8324856 Motor drive control apparatus, vehicle with motor drive control apparatus, and motor drive control method |
| 12/04/2012 | US8324745 Free-piston linear alternator systems and methods |
| 11/29/2012 | WO2012159884A2 Unit comprising an electric power source including at least two elements of different technologies and an inverter for controlling an alternating-current electric motor |
| 11/29/2012 | US20120299522 Two-quadrant chopper |
| 11/28/2012 | EP2528225A1 Control of a rotating electric machine |
| 11/28/2012 | EP2528224A1 Device for controlling a motor for roller shutter useable with or without mains supply neutral |
| 11/28/2012 | CN202563285U Medium-power servo driver |
| 11/28/2012 | CN101895244B Torque production in an electric motor in response to current sensor error |
| 11/27/2012 | US8319457 Energy recovery device in a variable-frequency drive |
| 11/22/2012 | US20120293106 Method for improving efficiency in a multiphase motor, and motor for implementing such a method |
| 11/22/2012 | US20120293105 Rotor slot asymmetry in an electric motor |
| 11/20/2012 | US8314576 Methods and apparatuses for fault management in permanent magnet synchronous machines using the field reconstruction method |
| 11/15/2012 | WO2012152465A2 Method and device for controlling an electric machine |
| 11/15/2012 | US20120286717 Power conversion apparatus provided with substrate having insulating area |
| 11/15/2012 | US20120286716 Control device for rotating electric machine and method of controlling rotating electric machine |
| 11/14/2012 | EP2327149B1 System and method for monitoring power damping compliance of a power generation unit |
| 11/14/2012 | CN202535304U Energy-saving control device of three-phase motor |
| 11/14/2012 | CN1703826B Motor control method and device thereof |
| 11/14/2012 | CN102783014A Power converter |
| 11/14/2012 | CN102783012A Device for controlling a permanent-magnet synchronous machine |
| 11/14/2012 | CN101899764B Motor driver for washing machine |
| 11/14/2012 | CN101753093B Motor driver and method for swap data in the motor driver |
| 11/14/2012 | CN101606313B Method for controlling an electric drive |
| 11/13/2012 | US8310196 Method and apparatus for failsafe monitoring an electromotive drive |
| 11/08/2012 | WO2011009179A3 Control system for electric motor applied to cyclic loads and control method for electric motor applied to cyclic loads |
| 11/08/2012 | DE112010000768T5 Ventilsteuervorr!chtung Ventilsteuervorr! Rect |
| 11/08/2012 | DE102011075392A1 Verfahren und Vorrichtung zum Steuern einer elektrischen Maschine Method and apparatus for controlling an electrical machine |
| 11/08/2012 | DE102011075387A1 Verfahren und Vorrichtung zum Überwachen eines Drehmoments eines Elektromotors Method and device for monitoring a torque of an electric motor |
| 11/07/2012 | EP2520016A1 Control device for an asynchronous electric machine, electric propulsion system- comprising said device, and method for controlling an asynchronous electric machine |
| 11/07/2012 | EP2520015A1 Control device for an asynchronous electric machine, electric propulsion system- comprising said device, and method for controlling an asynchronous electric machine |
| 10/25/2012 | US20120268052 Motor control device and method of controlling the same |
| 10/25/2012 | US20120268044 High Efficiency All-Electric Vehicle Propulsion System |
| 10/25/2012 | DE102011076589A1 Fahrzeuglenkbarkeits- und stabilitätsregelungüber eine unabhängige raddrehmomentregelung Fahrzeuglenkbarkeits- and stability control over an independent raddrehmomentregelung |
| 10/24/2012 | EP2512859A1 Method for controlling an electric motor |
| 10/23/2012 | US8294413 Induction motor control systems and methods |
| 10/23/2012 | US8294412 Method for controlling a rotary electric machine in case of load shedding and corresponding power control module |
| 10/23/2012 | US8294410 Method and apparatus for failsafe monitoring an electromotive drive |
| 10/18/2012 | WO2011117139A3 Method and device for determining output torque of an electric drive |
| 10/18/2012 | US20120262099 Jack-up platform |
| 10/17/2012 | EP2510612A2 Device for controlling a permanent-magnet synchronous machine |
| 10/17/2012 | CN102739151A Online adjustment method for PI (proportion integrate) parameter of asynchronous motor |
| 10/16/2012 | US8288984 DC brushless motor drive circuit with speed variable-voltage |
| 10/10/2012 | EP2509211A2 Motor control apparatus and method |
| 10/10/2012 | CN202488399U Motor control system of set top box and set top box |
| 10/09/2012 | CA2617526C A processing unit for measuring ac motor operating conditions |