Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
06/2005
06/23/2005US20050135024 Electric motor
06/23/2005US20050134494 Inverter control device and inverter control method
06/22/2005EP1544983A1 Electric motor
06/22/2005EP1543608A1 Method for controlling doubly-fed machine
06/22/2005CN1630177A Electric power conversion device
06/22/2005CN1630168A Electric motor
06/21/2005US6909290 Rotor angle detecting apparatus for DC brushless motor
06/21/2005US6909257 Method and device for correcting estimated speed of induction motor and its device
06/16/2005US20050127865 Motor driving apparatus for use in a diswasher
06/16/2005US20050127857 Brushless motor control apparatus and brushless motor control method
06/16/2005DE102004050434A1 Hardwarebasierte konfigurierbare Bewegungssteuerungseinrichtung und Verfahren Hardware-based configurable motion control device and method
06/15/2005EP1542351A2 Motor driving apparatus for use in a dishwasher
06/15/2005EP1541869A1 Driver of compressor and refrigerator
06/15/2005EP1540810A2 Position sensor emulator for a synchronous motor/ generator
06/15/2005EP1540809A2 Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level ac drive inverter bridge
06/15/2005EP1540806A1 Global closed loop control system with dv/dt control and emi/switching loss reduction
06/15/2005CN1627625A Motor driving apparatus for use in a diswasher
06/15/2005CN1627624A Converter controller and its control method
06/15/2005CN1206799C Motor driver for washing machine
06/14/2005US6906492 Motor abnormality detection apparatus and electric power steering control system
06/09/2005WO2005053147A1 An induction motor control system
06/09/2005WO2004091075A3 Synchronous electric motor comprising a stator and at least one rotor and associated control device
06/09/2005US20050125124 Power-assisted steering system
06/09/2005US20050120492 Method of controlling motor-driven washing machine and control system for the same
06/09/2005DE102004049157A1 Elektrische Entladungssteuerungsvorrichtung, elektrisches Entladungssteuerungsverfahren und zugehöriges Programm Electrical discharge control device, electric discharge control method and associated program
06/08/2005CN1623882A Elevator control device and elevator system
06/07/2005US6903524 Electric motor-driven power steering apparatus
06/02/2005US20050116671 Method and device for controlling photovoltaic inverter, and feed water device
06/02/2005US20050116570 Mesh connected electrical rotating machine with span changing
06/02/2005DE10352508A1 Verfahren zur Stromversorgung eines mehrsträngigen, durch Pulsweitenmodulation gesteuerten Elektromotors Method for power supply of a multi-strand, controlled by pulse width modulation electric motor
06/02/2005DE102004052652A1 Motorantriebssystem Motor drive system
06/01/2005CN1622447A Controller for AC motor
05/2005
05/31/2005US6900614 Rotation speed search apparatus for increasing an output voltage of an inverter and method thereof
05/31/2005US6900613 Motor control apparatus
05/26/2005US20050110452 Position-of-magnetic-pole detecting device and method
05/25/2005EP1533891A2 Position-of-magnetic-pole detecting device
05/25/2005EP1532643A1 Method for the wireless and contactless transport of energy and data, and corresponding device
05/25/2005CN1619939A Position-of-magnetic-pole detecting device
05/25/2005CN1203607C Conversion equipment for controlling AC motor
05/19/2005US20050105897 Motor control circuit
05/19/2005US20050104582 Position-of-magnetic-pole detecting device
05/19/2005US20050104552 Motor control apparatus, and washing machine and drying machine using the same
05/19/2005US20050104551 Synchronous motor control device and method of correcting deviation in rotational position of synchronous motor
05/19/2005US20050104550 Synchronous motor and a rotation control method thereof, as well as, an inverter for use of the synchronous motor
05/19/2005US20050104460 Rotary electric apparatus with high cooling performance
05/18/2005EP1531543A2 Method for PWM current control of a multi-winding electric motor
05/18/2005CN1202386C Cotrol method and device for reciprocating electrical compressor
05/17/2005US6894454 Position sensorless control algorithm for AC machine
05/12/2005US20050099147 Method and apparatus for controlling fan motor
05/11/2005EP1529679A2 Control of vehicle motor
05/11/2005CN1613683A Control of vehicle motor
05/11/2005CN1201476C Driving gear of a.c. motor
05/11/2005CN1201457C System and method for protecting electric motor and its control circuit, and electric motor
05/11/2005CN1201087C Autonomous inverter driving hydraulic unit
05/10/2005US6891737 Inverter device for AC motor control
05/05/2005US20050093505 Motor driving system
05/05/2005US20050093501 Hardware based configurable motion control apparatus and method
05/05/2005US20050093497 Motor control device and motor control method
05/05/2005US20050093494 Control of vehicle motor
05/04/2005EP1528665A1 Motor control device and motor control method
05/04/2005EP1528660A1 Three-phase bridge rectifier
05/04/2005CN1200506C Starting control method and control apparatus for synchronous motor and its application
05/04/2005CN1200505C AC motor controller
05/03/2005US6888330 Current controlling method and apparatus for electric rotating machine
05/03/2005US6888329 Control method of dynamo-electric machine for vehicle
04/2005
04/28/2005WO2005039035A2 Ac motor control method and control device
04/28/2005US20050088136 Motor control device and motor control method
04/28/2005US20050088135 Control unit for controlling a synchronous motor
04/28/2005US20050087387 Power-assisted steering system and difference compensating method for current detector
04/27/2005EP1526635A2 Position-of-magnetic-pole detection device and method
04/27/2005EP1526061A2 Power-assisted steering system and compensating method for the difference in currents from a currents detector
04/27/2005EP1526060A2 Power-assisted steering system
04/27/2005EP1525655A1 Motor drive control with a single current sensor using space vector technique
04/27/2005CN1610243A Position-of-magnetic-pole detection device and method
04/27/2005CN1610215A Motor with variable rotational speed
04/21/2005WO2004114511A3 Motor drive device, vehicle using the same, and computer-readable recording medium containing a program for causing a computer to execute control of voltage conversion
04/21/2005US20050083009 Method and arrangement in connection with slip-ring machine
04/21/2005US20050081647 Rotor angle estimation for permanent magnet synchronous motor drive
04/20/2005EP1524761A2 Power converter
04/20/2005EP1524760A1 Electronic device for controlling a discharge pump driven by a synchronous electric motor with a permanent-magnet rotor
04/20/2005CN1198382C Control unit of motor for plastic injection machine
04/14/2005WO2005034335A1 Motor operation control device
04/14/2005WO2005034333A1 Method for operating an induction machine and a current inverter therefor
04/14/2005WO2005034328A2 Speed control of an induction motor based on slip and power factor estimation
04/14/2005WO2005034327A1 Inverter apparatus
04/14/2005US20050078431 Electric discharge controller, electric discharge control method and its program
04/14/2005US20050077863 Power converter
04/14/2005DE102004042532A1 Synchronmotorsteuerungsvorrichtung Synchronous motor control device
04/14/2005DE102004040803A1 Elektrische Antriebssteuerungsvorrichtung, elektrisches Antriebssteuerungsverfahren und zugehöriges Programm Electric drive control device, electric drive control method and associated program
04/13/2005EP1523089A2 Method for driving induction motor
04/13/2005EP1522141A2 Motor control system with adaptive current profile
04/13/2005EP1071982A4 Apparatus and method for controlling an electric assist steering system
04/13/2005CN1606230A Method for driving induction motor
04/13/2005CN1197235C Vector control equipment without sensor and its method
04/13/2005CN1196862C Control mechanism and method for reciprocating compressor
04/12/2005US6879130 Controller for induction motor
04/12/2005US6879125 Control apparatus and method for at least one electrical rotating machine using compound current
04/07/2005WO2005031963A1 Method and device for controlling the operation of an ac motor
04/07/2005US20050075766 Electric drive control apparatus, method and program therefor
04/07/2005US20050073278 Electronic device for controlling a discharge pump driven by a synchronous electric motor with a permanent-magnet rotor
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