Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779)
11/2012
11/08/2012DE102012006964A1 Method for diagnosing electric machine of vehicle e.g. hybrid vehicle, involves determining presence of error condition in vehicle electric components of electric machine, and providing error condition in components of electric machine
11/08/2012DE102011100386A1 Electromechanical steering system of motor vehicle, comprises a three-phase motor whose winding current is reduced, if the winding temperature criterion is not less than or equal to the maximum dependent temperature
11/08/2012DE102011100361A1 Antriebssystem und Verfahren zum Betreiben eines Antriebssystems Drive system and method of operating a drive system
11/08/2012DE102011075387A1 Verfahren und Vorrichtung zum Überwachen eines Drehmoments eines Elektromotors Method and device for monitoring a torque of an electric motor
11/08/2012DE102011075238A1 Verfahren und Vorrichtung zum Überwachen einer Winkellage eines Rotors in einer Elektromaschine A method and apparatus for monitoring an angular position of a rotor in an electrical machine
11/08/2012DE102011075141A1 Verfahren und Vorrichtung zum Betreiben eines Elektrowerkzeugs Method and apparatus for operating an electric tool
11/07/2012EP2521254A1 Power conversion device for electric vehicle
11/07/2012CN102771042A Method and device for controlling a polyphase electrical machine
11/07/2012CN102769429A Method and device for operating an electric tool
11/07/2012CN101518170B Motor control device
11/06/2012US8306698 Steering device
11/06/2012US8303449 Automatic transmission for a power tool
11/01/2012WO2012147142A1 Motor driving apparatus
11/01/2012WO2012118625A3 System and methods for improving power handling of an electronic device
11/01/2012WO2011128695A3 Motor control with voltage harmonic shaping
11/01/2012US20120274257 Motor Control System
11/01/2012US20120274250 Anticipatory control system for electric motor and anticipatory control method for electric motor applied to cyclic loads
10/2012
10/31/2012EP2518894A2 Motor control unit and vehicle steering system
10/31/2012EP2518893A1 Malfunctioning-factor evaluation supporting apparatus and substrate exchanging method
10/31/2012EP2517351A1 Disconnection from mains using switches for power tools
10/31/2012EP2516198A2 Method for fault recognition in an electric motor actuated by an inverter in a motor vehicle, and device for monitoring an operation of the electric motor
10/31/2012DE102012103741A1 Selbstkompensierendes System und Verfahren zur Zustandsüberwachung von elektrischen Maschinen Self-compensating system and method for condition monitoring of electrical machines
10/31/2012CN102763323A Actuator control device and working machine equipped with same
10/31/2012CN101795926B Steering device
10/25/2012US20120268048 Control system for electric motor applied to cyclic loads and control method for electric motor applied to cyclic loads
10/24/2012EP2515194A2 Methods and systems for recording operating information of an electronically commutated motor
10/24/2012EP2514082A1 Method for detecting a breakdown in a switching current source and corresponding power source
10/24/2012CN102754330A Circuit arrangement and method and device for operating the circuit arrangement
10/24/2012CN101634838B Automatic intelligent-induction electricity-saving switch and induction method thereof
10/18/2012WO2012114071A9 Protection circuitry for monitoring the power devices controlling the exciter current of an electrical generator
10/18/2012CA2832747A1 System and method for fast start-up of an induction motor
10/17/2012EP2511536A1 Method and Apparatus for Warm Up Control of Autonomous Inverter-Driven Hydraulic Unit
10/17/2012EP2510614A1 An electrical machine
10/17/2012EP2510613A1 Inverter assembly for operating an electric motor
10/17/2012EP2510611A2 Pole-slip protection system and method for synchronous machines
10/17/2012CN202495911U Apparatus preventing voltage fluctuation from causing electric motor to stop
10/17/2012CN102742147A Elevator control device
10/17/2012CN101944870B Control method and circuit of servo motor
10/17/2012CN101667808B Control system for multiphase rotary electric machines
10/16/2012US8289013 Speed detector and servomotor
10/11/2012US20120256577 Motor Control Apparatus and Method
10/10/2012EP2509214A2 Method for initiating an electronic control circuit of an electric motor and circuit assembly for same
10/10/2012EP2509213A2 Brushless motor and control method therefor
10/10/2012EP2507906A1 Method and device for operating an electric motor
10/10/2012CN102725956A Motor control device
10/10/2012CN102723911A Server motor controller of solar panel
10/04/2012WO2012133799A1 Motor-ripple inhibiting apparatus and motor-ripple inhibiting method
10/04/2012WO2012133066A1 Actuator monitoring system
10/04/2012WO2012132411A1 Electric compressor
10/04/2012WO2012131506A2 An electric motor arrangement and method of controlling thereof
10/04/2012US20120249040 Controller chip with signal swapping capability for controlling motor device and related method thereof
10/04/2012DE102012003173A1 Motorsteuervorrichtung zur Bereitstellung eines Überlastschutzes Engine control means for providing an overload protection
10/04/2012DE102011009935B4 Verfahren zum Ansteuern eines optimalen Betriebspunktes bei einer Synchronmaschine und eine umrichtergespeiste Synchronmaschine A method for driving an optimal operating point of a synchronous generator and an inverter-fed synchronous machine
10/03/2012EP2506423A2 Power Converting Device
10/03/2012EP2504918A1 Preventing load rejection overvoltages in synchronous rectifiers
10/03/2012CN202475366U Motor drive circuit for achieving single-chip-microcomputer communication long-range control
10/03/2012CN1690344B Adjuster for winding off window blind and operation method thereof
10/03/2012CN102714484A Electric operating machine
10/03/2012CN102714482A Disconnection from mains using switches for power tools
10/03/2012CN102714481A Electronically commutated electrical motor having a calibrated motor torque constant
10/03/2012CN102714452A Pitch drive device for a wind power or hydroelectric power station
10/03/2012CN102714440A Electric operating machine
10/03/2012CN102712255A Method for fault recognition in an electric motor actuated by an inverter in a motor vehicle, and device for monitoring an operation of the electric motor
10/03/2012CN102069727B Speed regulation control system of double-speed motor used as electric vehicle main power
09/2012
09/27/2012DE102012202938A1 Motortemperaturschätzung auf der Grundlage eines thermischen Modells Motor temperature estimate based on a thermal model
09/26/2012EP2502805A1 Electric power steering device
09/26/2012EP2502803A1 Controller for electrical power steering apparatus
09/26/2012EP2502334A2 Pitch drive device for a wind power or hydroelectric power station
09/26/2012CN102694489A Motor control system and method and brake device
09/19/2012EP2499737A1 Method for checking the plausibility of the torque of an electrical machine and machine controller for controlling an electrical machine and for carrying out the method
09/19/2012CN102687390A Actuator
09/19/2012CN102684600A Motor control apparatus and method for controlling motor
09/13/2012WO2012121200A1 Diagnostic method for motor
09/13/2012WO2012121078A1 Impeller rotation speed control method
09/13/2012WO2012121007A1 Current control device
09/13/2012US20120229060 Variable coil configuration system, apparatus and method
09/13/2012US20120229059 Drive with heat dissipation and energy-saving function
09/13/2012US20120227205 Windshield wiper device
09/12/2012CN102668369A Malfunctioning-factor evaluation supporting apparatus and substrate exchanging method
09/12/2012CN102668364A Preventing load rejection overvoltages in synchronous rectifiers
09/12/2012CN102668362A Asynchronous generator system and wind turbine having an asynchronous generator system
09/12/2012CN102666259A 电动动力转向装置 The electric power steering apparatus
09/12/2012CN102664587A Novel motor driving circuit
09/06/2012DE102012100232A1 Steuersystem für einen Kraftfahrzeug-Antriebsmotor A control system for a motor vehicle drive motor
09/06/2012DE102012002055A1 Verfahren und Vorrichtung zum Überwachen eines Drehmelders in einer Drehmomentmaschine Method and device for monitoring of a resolver in a torque machine
09/06/2012DE102011004911A1 Method for operating brushless electric motor for use in vehicle, involves detecting increase in ohmic resistance of windings of electric motor, by evaluating calculated or measured electric current values of windings
09/05/2012EP2495869A2 Control device with safe-torque-off function for an electric motor
09/05/2012CN102656785A Method for detecting a breakdown in a switching current source and corresponding power source
09/05/2012CN101180789B Electric motor control device
08/2012
08/30/2012WO2012114903A1 Electric automobile
08/30/2012WO2012114902A1 Electric automobile
08/30/2012WO2012114901A1 Electric automobile, in-wheel motor drive device, and motor control method
08/30/2012WO2012114071A1 Protection circuitry for monitoring the power devices controlling the exciter current of an electrical generator
08/30/2012WO2011120727A3 Inverter for an electrical machine and method for operating an inverter for an electrical machine
08/29/2012EP2491646A2 Electronically commutated electrical motor having a calibrated motor torque constant
08/29/2012CN101079541B Protection circuit for frequency converter
08/23/2012WO2011061187A3 Method for compensating for disturbance torques in electric work machines
08/23/2012US20120212251 Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device
08/23/2012DE112010001619T5 Motorsteuervorrichtung The motor control apparatus
08/22/2012EP2490328A2 Use of motor protection system to protect process operation
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