Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
02/2011
02/17/2011WO2011019733A2 Controller and method for minimizing phase advance current
02/17/2011WO2011019730A2 Controller and method for transitioning between control angles
02/17/2011WO2011019696A2 Controller and method for estimating, managing, and diagnosing motor parameters
02/17/2011WO2011018034A1 Variable-frequency separate-power high-speed vehicle
02/16/2011EP2284986A1 Inverter control device and power conversion device
02/16/2011EP2284323A1 Swing drive controller and construction machine including the same
02/16/2011CN201750398U Frequency conversion speed regulation device of machine transmission system
02/16/2011CN201750397U Slow-start AC motor driving device
02/16/2011CN201750344U Three-phase AC induction motor frequency converter for automatic expanding door
02/16/2011CN201749333U Automatic control device of paper yarn composite bag making machine
02/16/2011CN201747650U Air blower frequency-conversion control device used in wheat flour production workshop
02/16/2011CN201747334U Control device of electricity stealing-proof type oil extractor
02/16/2011CN101978594A Servo motor position control device
02/16/2011CN101978593A Control device and control method for vehicle
02/16/2011CN101978576A Permanent magnet synchronization motor
02/16/2011CN101977018A Frequency-conversion power saver for three-phase bender
02/16/2011CN101977017A High-voltage frequency converter of input-transformerless multiphase motor
02/16/2011CN101977016A Singlechip-based induction motor variable frequency speed regulation control system
02/16/2011CN101977015A Frequency conversion control device of pile hammer
02/16/2011CN101977013A Variable-frequency electricity saver of single-phase bending machine
02/16/2011CN101976963A Double-feed three-phase rectifier with high power factor
02/16/2011CN101976955A Variable-pitch servo driver with function of energy storage
02/16/2011CN101976894A Energy storage system realizing bidirectional electric energy flow and control method thereof
02/16/2011CN101359894B Maintenance method for motor drive system
02/16/2011CN101341651B Motor-driven control device and motor-driven control method
02/15/2011US7888905 Method and system for controlling a power inverter in electric drives
02/10/2011WO2011017015A1 Air conditioning systems with oversped induction motors
02/10/2011US20110031922 Electric motor drive device, control method of electric motor drive device, and electrically driven device
02/10/2011US20110031911 Power factor correction with variable bus voltage
02/10/2011US20110031910 Control apparatus for electric rotating machine
02/10/2011US20110030414 Air conditioning systems with oversped induction motors
02/10/2011DE112009000680T5 Servomotor-Positions-Regelvorrichtung Servo motor position control device
02/10/2011DE102010017810A1 Leistungswandler für drehende elektrische Maschinen Power converter for rotating electrical machines
02/10/2011DE102009035964A1 Verfahren und Steuervorrichtung zur Leistungssteuerung eines Staubsaugers und Staubsauger mit einer solchen Steuervorrichtung A method and control device for controlling the power of a vacuum cleaner and vacuum cleaner with such a control device
02/10/2011CA2770315A1 Air conditioning systems with oversped induction motors
02/09/2011EP2282401A1 Motor control device, and electric steering device
02/09/2011EP2281337A1 Method for recovering power in a variable speed drive
02/09/2011EP2168233B1 A control system without position sensors for a synchronous electric motor
02/09/2011CN201742371U Integral movable variable-frequency speed-adjusting device
02/09/2011CN201742370U Energy-saving device used for operating motor
02/09/2011CN201742366U Controller of induction motor of speed-less sensor
02/09/2011CN201742362U Motor controller for electric automobile
02/09/2011CN201742356U Digital type intelligent soft-starting device
02/09/2011CN1945939B Double mechanical port motor and its driving control system
02/09/2011CN1927686B Elevator control device
02/09/2011CN101971451A Wind energy plant having a double-energized asynchronous generator and converter control
02/09/2011CN101971038A Waveform current monitor using rdson of low-side bridge fet
02/09/2011CN101969294A Alternating current servo driver capable of realizing energy feedback
02/09/2011CN101416379B 逆变器装置和空调机 Inverter device and air conditioners
02/09/2011CN101369784B Electronic servo transformer and servo system
02/03/2011US20110025240 Power Conversion Device
02/03/2011US20110025239 Electro-motive machine using halbach array and electrons trapped in electromagnetic providing current
02/02/2011EP2279556A1 Method and device for increasing control accuracy in a pwm system
02/02/2011CN201733277U Variable-frequency motor speed regulating device
02/02/2011CN201733276U High-voltage high-power frequency converter with soft excitation debugging function
02/02/2011CN201733275U Frequency conversion device for washing machine
02/02/2011CN201733274U Loop current detection and control device for intelligent static phase advancer
02/02/2011CN201733273U FFU fan variable-frequency speed-regulating controller
02/02/2011CN101964628A Variable frequency energy storage power-saving device for three-phase injection molding machine
02/02/2011CN101964627A Drive arrangement of a motor with a plurality of stator windings
02/02/2011CN101964528A Intelligent power-saving device
02/02/2011CN101961912A Variable-frequency power saver of single-phase injection molding machine
02/02/2011CN101361253B Electric power supply apparatus and vehicle having electric power supply apparatus
02/01/2011US7880428 Controller for induction motor
02/01/2011US7880426 Polyphase voltage converter control method
02/01/2011US7880425 Electric motor drive systems, motor vehicles, and methods of phase current regulation
02/01/2011US7880424 Rotary electric apparatus having rotor with field winding inducing current therethrough for generating magnetic field
01/2011
01/27/2011US20110018488 Frequency-changing control apparatus
01/27/2011US20110018487 Motor control device
01/27/2011US20110018480 Converter circuit
01/27/2011DE112009000549T5 Elektromotor-Ansteuerungsvorrichtung und Verfahren zu deren Steuerung Electric motor driving apparatus and method of control
01/27/2011DE112009000190T5 Steuersystem für eine drehende elektrische Maschine und Fahrzeugantriebssystem A control system for a rotating electrical machine and vehicle drive system
01/27/2011DE102010025961A1 Motor drive arrangement for converting high-performance motor into individual motor, has servo circuits calculating identical voltage commands based on identical current commands and total value or average value of current feedback signals
01/27/2011DE102009034509A1 Axle transmission i.e. direct motor driven clutchless axle transmission, for motor vehicle, has drive machines producing torque in preset operating conditions, where differential torque is produced between output shafts of transmission
01/26/2011CN201726358U Variable-frequency and variable-speed motor
01/26/2011CN201726357U Intelligent power-saving control system
01/26/2011CN201726231U Junction box and variable speed, variable frequency motor with junction box
01/26/2011CN201726156U Feedback energy-saving device with variable-frequency motor
01/26/2011CN201723112U Sound proof electric door
01/26/2011CN201721348U Motor controller integrating whole automobile control function
01/26/2011CN101960712A Inverter device
01/26/2011CN101960706A Semiconductor device and power converter using the semiconductor device
01/26/2011CN101960704A Method for detecting state quantity in power converter and power converter
01/26/2011CN101960703A Power supply arrangement
01/26/2011CN101960702A Direct AC power converter
01/26/2011CN101959745A Electric power steering apparatus
01/26/2011CN101959744A Electric power steering device
01/26/2011CN101959708A 电车驱动装置 Tram drive
01/26/2011CN101958686A Methods, systems and apparatus for sensorless rotor angular position estimation
01/26/2011CN101958677A Method and control system for controlling a brushless electric motor
01/26/2011CN101956314A Dryer motor and control
01/26/2011CN101599738B Method for determining duty ratio of universal pulse width controlled by three-phase AD motor PWM
01/26/2011CN101483392B Large capacity cascade multi-phase multi-level power converter without transformer
01/26/2011CN101388638B Three phase inverter with improved loss distribution
01/26/2011CN101291115B Power inversion device and control method thereof
01/26/2011CN101089270B Driving apparatus for loom
01/26/2011CN101060289B Control system for multiphase rotary electric machine
01/25/2011US7876064 Motor drive inverter that includes III-nitride based power semiconductor devices
01/25/2011CA2395500C Method for operating asynchronous motors and corresponding device
01/20/2011WO2011007430A1 Propulsion control device of electric car
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