Patents
Patents for H02P 23 - Arrangements or methods for the control of ac-motors characterised by a control method other than vector control (5,487)
10/2012
10/03/2012EP2504916A2 Method for compensating for disturbance torques in electric work machines
10/03/2012CN102714481A Electronically commutated electrical motor having a calibrated motor torque constant
10/03/2012CN102710212A Improved iterative learning control method and control system for permanent magnet linear synchronous motor
10/03/2012CN102710211A On-site bus type alternating current motor driving device
10/03/2012CN101677226B Blower motor for HVAC systems
09/2012
09/27/2012US20120242273 Variable frequence drive and rotation speed searching apparatus for an induction motor
09/27/2012US20120242272 Rotating electrical machine system
09/26/2012CN202455311U Energy-saving operation control device for alternating current motor
09/26/2012CN102195547B Indirect torque control method for cage-rotor brushless doubly-fed machine (BDFM)
09/20/2012WO2012123255A2 Control method implemented in a power converter and intended for identifying parameters linked to the magnetic saturation of an electric motor
09/20/2012US20120235621 Rotary electric machine system
09/19/2012CN102684325A Method for changing air gap of axial magnetic field motor without assistance of external mechanism
09/18/2012US8269450 Winding switching apparatus and winding switching system
09/18/2012US8269441 Motor control apparatus
09/18/2012US8269440 Motor speed control system and method without pulse-width modulation
09/13/2012WO2012121902A1 Single phase motor energy economizer for regulating the use of electricity
09/13/2012US20120229068 Inverter
09/12/2012EP2498395A2 Anticipatory control system for electric motor and anticipatory control method for electric motor applied to cyclic loads
09/12/2012CN102668366A System and method of dynamic regulation of real power to a load
09/12/2012CN102664584A Design structure of universal three-phase motor controller
09/07/2012WO2012118649A1 System for controlling a motor
09/07/2012WO2012117133A1 Virtual admittance controller based on static power converters
09/07/2012WO2012117132A1 Virtual controller of electromechanical characteristics for static power converters
09/07/2012WO2012117131A1 Synchronous power controller for a generating system based on static power converters
09/07/2012WO2011117183A3 Avoidance of torsional excitations in converter-controlled compressor runs
09/07/2012WO2009082068A3 Method for controlling motor of air conditioner
09/06/2012US20120223668 Control Method and System with Feedback Indicative of Load Flux
09/06/2012DE102010020123B4 Umrichteranordnung mit Bremswiderstand Converter arrangement with braking resistor
09/05/2012CN102656795A Motor control system for a hoist drive
09/04/2012US8258739 Power converter
08/2012
08/30/2012US20120217919 Open phase detection system and method for three-phase motor
08/30/2012US20120217153 Self-Tuning Power Supply
08/30/2012DE102011085551A1 Verfahren und Vorrichtung zur Ansteuerung eines Elektromotors Method and apparatus for driving an electric motor
08/29/2012EP2491646A2 Electronically commutated electrical motor having a calibrated motor torque constant
08/29/2012CN101447761B Electric motor drive systems, motor vehicles, and methods of phase current regulation
08/28/2012US8253370 Microcomputer for controlling ultrasonic motor, and method for controlling ultrasonic motor
08/28/2012US8253366 Signal status diagnosing device for control actuator as driven object
08/23/2012WO2011158099A3 System and method of speed detection in an ac induction machine
08/23/2012WO2011117248A3 Avoidance of torsional excitations in converter-controlled compressor runs
08/23/2012WO2011024058A3 System and method for motor speed estimation of an electric motor
08/23/2012US20120212172 Modular line-to-ground fault identification
08/22/2012CN101662257B Simple and optimal current direct control method of multiphase permanent magnet fault-tolerant electric machine
08/22/2012CN101662256B Control method of six-phase ten-pole permanent magnet fault-tolerant motor with strong fault-tolerant capability
08/15/2012EP1497912B1 Method and arrangement in connection with slip-ring machine
08/15/2012CN101645685B Alternating current synchronous motor controller based on FPGA and control method thereof
08/14/2012US8242735 Method and system for temperature-based power converter control
08/14/2012US8242734 Controller of spindle provided with encoder
08/09/2012WO2011009180A3 Anticipatory control system for electric motor and anticipatory control method for electric motor applied to cyclic loads
08/09/2012US20120199039 Variable-Speed-Drive System for a Grid Blower
08/08/2012EP2484003A1 Electric motor and method for controlling the same
08/07/2012US8237396 Motor driving device, and control method of motor driving device
08/02/2012US20120194123 Fan rotation speed control circuit
08/02/2012DE112009002583T5 Verfahren und Vorrichtung zur Begrenzung eines Drehmoments in einem elektrischen Antriebsmotor Method and apparatus for limiting torque in an electric drive motor
08/01/2012EP1487098B1 Motor temperature estimator and motor controller
08/01/2012CN102624323A Method for realizing on-site estimation on temperature of rotor magnetic steel of permanent magnet motor
07/2012
07/26/2012US20120187894 Power converter
07/26/2012US20120187887 Power unit for electric vehicle
07/25/2012CN102612802A Rotation angle calculation apparatus and rotation angle calculation method
07/24/2012US8228020 Apparatus and method for controlling hybrid motor
07/24/2012US8228019 Output filter and motor drive system including the same
07/19/2012US20120181955 Transfer apparatus for electric power
07/18/2012CN101399517B Linear type fan rotation speed characteristic design circuit
07/12/2012US20120176074 System for decoupling a rotor from a stator of a permanent magnet motor and flywheel storage system using the same
07/11/2012CN202334435U 新型的开关磁阻电机调速装置 The new switch reluctance motor speed control device
07/11/2012CN102577092A Method for monitoring a drive state of an electric motor
07/11/2012CN102577091A Motor system
07/11/2012CN102570965A Program control energy-saving device of motor
07/11/2012CN102570964A Set top box motor control method and system, and set top box
07/11/2012CN101552591B Method and apparatus for torque ripple reduction
07/04/2012EP2471172A2 System and method for motor speed estimation of an electric motor
07/04/2012CN202309610U 正弦波转速控制型软启动器 Sine wave speed control Soft Starter
07/04/2012CN202309609U Improved packaging line motor control system
07/04/2012CN202309608U 电动机负载跟踪同步调节节电装置 Tracking synchronous motor load adjusting power-saving devices
07/04/2012CN202293262U 一种注塑机节电系统 An injection machine energy-saving system
07/04/2012CN102549910A Electric motor and method for controlling the same
07/04/2012CN102545769A Breakdown protection circuit, driving system and method for induction motor
07/04/2012CN102545768A Work apparatus having an electric drive motor
07/04/2012CN101795105B Suspension rotor equivalent disturbance current compensation control device for bearing-free permanent magnet synchronous motor
06/2012
06/28/2012WO2012025312A3 Method and device for controlling a synchronous machine
06/28/2012WO2011080791A8 Control device for an asynchronous electric machine, electric propulsion system- comprising said device, and method for controlling an asynchronous electric machine
06/28/2012US20120161690 Electrical circuit for controlling electrical power to drive an inductive load
06/27/2012EP2469703A2 System and method for synchronous machine health monitoring
06/27/2012CN101499758B Controller for multi-phase electric motor
06/27/2012CN101090251B On-line minimaum copper consumption control for inner permanent magnetic synthronous electric machine for vehicle
06/26/2012US8207701 Control method of electromotor
06/26/2012US8207698 Electric drive system for an automotive vehicle
06/21/2012US20120153884 Integrated motor controller system
06/20/2012EP2465194A1 Method for monitoring a drive state of an electric motor
06/20/2012CN102510252A Direct torque control system and method based on digital signal processing (DSP) and advanced reduced instruction set computer (RISC) machine (ARM) architecture
06/20/2012CN101753094B Inertia estimating controller and control system
06/19/2012US8203302 System and method for controlling four-quadrant operation of a switched reluctance motor drive through a single controllable switch
06/19/2012US8203298 System and method for motor speed estimation of an electric motor
06/19/2012CA2631155C Motor drive device and control method thereof
06/14/2012WO2012078367A2 Complex adaptive phase estimation
06/14/2012WO2012077752A1 Control device
06/14/2012US20120146567 Rotator Control Device, Rotator System, Vehicle, Electric Car and Electric Generation System
06/13/2012CN102498645A Synchronous motor and system for driving synchronous motor
06/07/2012WO2011092011A3 Method for improving efficiency in a multiphase motor, and motor for implementing such a method
06/07/2012WO2010144308A3 System and method of dynamic regulation of real power to a load
06/06/2012CN101895252B Automatic regulating apparatus for controller parameters of servo driver of motor and method thereof
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