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)
12/2005
12/20/2005CA2174466C Method and apparatus for electrically controlling synchronous motors
12/15/2005WO2005119892A1 Low loss propulsion system
12/14/2005EP1605210A1 Hair dryer driven by a shielded pole motor operated by a micro-inverter
12/14/2005CN1232025C Device and method for eliminating variable deviation capacity of current detection signal and controlling system of three-phase AC motor containing the same device
12/14/2005CN1232024C Motor controller
12/08/2005WO2005117246A2 Method and device for determining the mechanical load of an alternating current synchronous electric motor with a permanent magnet rotor
12/08/2005US20050269979 Variable speed motor
12/08/2005US20050268631 Apparatus for driving a compressor and a refrigerating air conditioner
12/08/2005DE102004025241A1 Mathematical model of three-phase generator for vehicle, has current control circuit which receives generator speed, voltage and loading inputs and calculates generator moment, current and maximum current
12/07/2005EP1603223A1 Variable speed motor
12/07/2005CN1706093A Method for providing energy saving service, method for deciding specification of electric motor, method for providing compressor version-up service, method for providing energy saving service using dr
12/01/2005US20050264249 Method of balancing the rotation of a motor
11/2005
11/30/2005CN1703826A Motor control method and device thereof
11/30/2005CN1702953A Motor control apparatus and electric appliance using the same
11/30/2005CN1702942A Variable speed motor
11/23/2005EP1598928A1 Device for controlling an asynchronous motor
11/23/2005EP1597995A2 Motor control apparatus and electric appliance using the same
11/23/2005CN1701504A Method for controlling doubly-fed machine
11/17/2005US20050254265 Voltage conversion device, voltage conversion method, and computer-readable recording medium containing program causing computer to execute voltage conversion
11/17/2005US20050253549 Single-phase induction motor
11/17/2005US20050253539 Motor control apparatus and electric appliance using the same
11/17/2005DE102005015988A1 Energieumformungseinrichtung Energy conversion device
11/16/2005EP1596491A2 Damping control in a three-phase motor with a single current sensor
11/16/2005CN1698261A Method and arrangement in connection with slip-ring motor
11/16/2005CN1697305A Damping control in a three-phase motor with a single current sensor
11/16/2005CN1696037A Elevator control apparatus
11/10/2005US20050248361 Damping control in a three-phase motor with a single current sensor
11/10/2005US20050248301 Reduced part count feedforward motor control
11/09/2005EP1594220A1 Ac motor control method and control device
11/09/2005CN1226174C Elevator control device
11/03/2005US20050242766 Control apparatus for rotating machine
11/03/2005US20050242760 Motor temperature estimator and motor controller
11/03/2005US20050242757 Method, system and program product for controlling a single phase motor
11/02/2005EP1415388B1 Odd harmonics reduction of phase angle controlled loads
10/2005
10/27/2005US20050237021 Rotatingly driving device of construction machinery
10/19/2005EP1586158A2 Electric motor controller
10/19/2005CN1685604A Controller for rotating machine
10/19/2005CN1685597A Power transfer system with reduced component ratings
10/13/2005US20050226298 Power conversion device
10/13/2005US20050225275 Method for controlling an electric motor to reduce EMI
10/12/2005CN1682426A Microcontroller of motor
10/11/2005US6954046 Method and apparatus to control input to AC induction motors
10/06/2005WO2005093940A1 Control device for roller shutter drive motor
10/06/2005US20050219879 System and method for regenerative PWM AC power conversion
10/06/2005US20050218847 Motor control device
10/05/2005EP1583214A2 Apparatus for operating a positioning system
10/05/2005EP1393430B1 Motor driving device and apparatus including the same device
10/05/2005CN1678230A Variable speed leaf blower
09/2005
09/28/2005CN1675819A Voltage conversion device, voltage conversion method, and computer-readable recording medium containing program for causing computer to execute voltage conversion control
09/22/2005DE10000235B4 Vorrichtung zum Messen einer Rotorunwucht An apparatus for measuring a rotor unbalance
09/21/2005CN1672317A Electric machine
09/14/2005EP1573892A1 Induction motor supply control device
09/14/2005CN1669211A System and method for controlling a rotating electromagnetic machine
09/06/2005US6940247 Phase-saving lowpass filters for drive control in conjunction with a high level of control dynamics
09/01/2005US20050189896 Method for controlling doubly-fed machine
09/01/2005US20050189895 Motor control device and motor control method
09/01/2005US20050188989 Air assistance apparatus providing fast rise and fall of pressure within one patient's breath
08/2005
08/31/2005CN1663110A Brushless motor control utilizing independent phase parameters
08/31/2005CN1663106A Motor control device
08/25/2005US20050184689 Adaptive electric motors and generators providing improved performance and efficiency
08/25/2005DE10392991T5 Leistungs-Transfersystem mit reduzierter Komponentenbemessungen Power transfer system with reduced components LAYOUT
08/18/2005WO2005076461A1 Motor control and driver for electric boosting application
08/18/2005WO2005076458A1 Method and device for controlling a synchronous motor with permanent magnets
08/17/2005EP1064716B1 Electric motor monitoring circuit and method
08/11/2005WO2005074104A1 The three-phase ac speed adjustable motor
08/10/2005CN1653680A Rotatingly driving device of construction machinery
08/10/2005CN1214515C Controller for multiphase AC motors
08/10/2005CN1214513C Method for controlling start, Stop and speed of AC induction motor
08/09/2005US6925824 Apparatus for driving a compressor and a refrigerating air conditioner
08/04/2005WO2005034328A3 Speed control of an induction motor based on slip and power factor estimation
07/2005
07/28/2005DE10361225A1 Electric drill e.g. for drilling machine, rotary hammer drill, has shaft which propels with speed adjuster and motor detects safety routine of safety module which is connected to safety actuator
07/27/2005CN1647361A Motor temperature estimator and motor controller
07/26/2005US6920800 Method for determining inertia of an electric motor and load
07/21/2005WO2005067133A1 Motor drive inverter control apparatus
07/21/2005WO2005067132A1 Static frequency converter with automatic function for optimizing magnetic flux and minimizing losses in electric induction motors
07/21/2005WO2005066648A1 A method for measuring the operating state of a synchronous motor using composite power angle meter
07/21/2005CA2545850A1 Static frequency converter with automatic function for optimizing magnetic flux and minimizing losses in electric induction motors
07/20/2005EP1555749A2 Electrical rotating machine control unit and power generation system
07/14/2005WO2005039035A3 Ac motor control method and control device
07/14/2005US20050151504 Electrical rotating machine control unit and power generation system
07/14/2005US20050151500 Motor control device
07/14/2005DE10357312A1 Device for operating an adjustable system such as an awning in two directions feeds current commands in parametrized form to control unit through supply voltage connections
07/14/2005DE10356515A1 Antriebssystem Drive system
07/13/2005CN1639957A Motor current reconstruction via DC bus current measurement
07/07/2005WO2005062141A1 Electric motor controller for a domestic appliance
07/06/2005EP1551098A1 Motor control method and device thereof
07/05/2005US6914404 Motor controller
07/05/2005US6914398 Rotary machine control
06/2005
06/30/2005US20050140318 Method for measuring the electromotive force constant of motors
06/29/2005CN1208896C Data interface module for motor control system and application method thereof
06/22/2005EP1543608A1 Method for controlling doubly-fed machine
06/16/2005US20050127856 Low-voltage electric motors
06/15/2005EP1540812A1 Electric machine
06/15/2005EP1540805A1 Electronic control device for motor
06/15/2005EP1538963A1 Variable speed leaf blower
06/09/2005US20050122611 Semiconductor device and a disk drive apparatus employing such a semiconductor device
06/09/2005US20050122082 Drive system
06/08/2005EP1538736A2 Drive system
06/07/2005US6903530 Electric motor controller resonance frequency detection apparatus
06/02/2005US20050116677 Control constant adjusting apparatus
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