| Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284) |
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| 04/06/2005 | EP1521358A2 Inverter controlling apparatus for driving motor |
| 04/06/2005 | EP1521357A2 Electrical machine and method of operating the electric machine |
| 04/06/2005 | EP1521092A1 Motor driver |
| 04/06/2005 | CN1604976A Inverter of washing machine and inverter of washing machine/dryer |
| 04/06/2005 | CN1604455A Motor driving apparatus |
| 04/06/2005 | CN1604449A Inverter controlling apparatus for driving motor and air conditioner using the same |
| 04/06/2005 | CN1604429A Motor driver |
| 04/06/2005 | CN1196248C Control device of induction motor |
| 04/06/2005 | CN1195666C Long Narrow object transportion appts. |
| 04/05/2005 | US6876171 Driving apparatus and method of three phase induction motor |
| 03/31/2005 | US20050068001 Frequency converter for different mains voltages |
| 03/31/2005 | US20050068000 Motor driver |
| 03/30/2005 | EP1519046A2 Apparatus for compensating for speed error of motor |
| 03/30/2005 | CN1601883A Phase controller of AC motor for air conditionning appts. and phase control method |
| 03/29/2005 | US6873125 Motor driving apparatus and motor using the same |
| 03/29/2005 | US6873075 Magnetic bearing control device |
| 03/29/2005 | CA2254659C Electric motor rotor holding arrangement |
| 03/24/2005 | WO2005026003A1 Electric power steering system |
| 03/24/2005 | US20050063684 Speed controlling method for an electric motor, control circuit and electric motor |
| 03/24/2005 | US20050062453 Method and system for controlling vehicle door position having reduced power supply current requirements |
| 03/24/2005 | US20050062448 Apparatus for compensating for speed error of motor |
| 03/23/2005 | EP1517433A1 Speed controlling method for an electric motor, control circuit and electric motor |
| 03/23/2005 | EP1516796A2 Industrial truck with an electrical drive |
| 03/23/2005 | EP1516425A1 Brushless motor control utilizing independent phase parameters |
| 03/23/2005 | CN1599232A Apparatus for compensating for speed error of motor |
| 03/23/2005 | CN1194463C Phase control circuit for motor |
| 03/22/2005 | US6870347 Permanent magnet synchronous motor driving system, and method of testing permanent magnet synchronous motor driving system |
| 03/22/2005 | US6870333 Method for operating asynchronous motors and corresponding device |
| 03/17/2005 | WO2005025047A1 Motor drive apparatus capable of accurately estimating demagnetization of permanent magnet motor |
| 03/17/2005 | US20050057201 Fixed speed drive |
| 03/17/2005 | US20050057200 Motor control method and control device |
| 03/17/2005 | DE10357918B3 Phase-chopping power regulator for electric motor has semiconductor switch in series with latter and second semiconductor switch connected in series with resistance element across first semiconductor switch |
| 03/16/2005 | EP1515425A2 Motor driving apparatus |
| 03/16/2005 | CN1193496C Device for driving electric machine without sensor |
| 03/16/2005 | CN1193493C Apparatus and method for controlling speed for synchronous reluctance motor |
| 03/15/2005 | US6867645 Method and apparatus for providing pulse width modulation |
| 03/15/2005 | US6867560 Drive of rotary electric machine |
| 03/10/2005 | WO2005022739A1 Controller and method for controlling an electrical motor for a conveyor |
| 03/10/2005 | US20050052147 Single phase motor driving circuit and single phase motor driving method |
| 03/09/2005 | EP1511936A1 Dual-shaft vacuum pump |
| 03/09/2005 | CN1192477C Variable-speed control device used with induction motor together |
| 03/09/2005 | CN1192191C Idle time compensating method for compressor of air conditioner |
| 03/03/2005 | WO2005020420A1 Power converter, motor drive, btb system and system linking inverter system |
| 03/03/2005 | US20050047185 Motor drive |
| 03/03/2005 | US20050046379 Synchronous-motor controller |
| 03/03/2005 | US20050046369 Electric drive control apparatus, electric drive control method and program thereof |
| 03/03/2005 | US20050045414 Electric power steering apparatus |
| 03/03/2005 | DE102004036304A1 Verfahren und System für ein verbessertes Wärmemanagement eines Spannungsquellen-Wechselrichters, der bei niedriger Ausgangsfrequenz arbeitet, unter Nutzung einer Nullvektormodulationstechnik Method and system for improved heat management of a voltage source inverter operating at low output frequency, using a zero vector modulation technique |
| 03/03/2005 | CA2536306A1 Power converter, motor drive, btb system and system linking inverter system |
| 03/02/2005 | EP1509995A1 Polyphase induction electrical rotating machine |
| 03/02/2005 | CN1589519A Frequency converter for different mains voltages |
| 03/01/2005 | US6861813 Motor control apparatus and motor control method |
| 02/24/2005 | WO2005018086A1 Method for the controlled application of a stator-current target value and a torque target value for a polyphase machine that is supplied by an electronic power converter |
| 02/24/2005 | DE102004033051A1 Control device for universal motor has means to preselect and vary an ignition angle |
| 02/23/2005 | EP1508965A2 Electric motor or generator |
| 02/23/2005 | CN1586034A Rotor angle estimation for permanent magnet synchronous motor drive |
| 02/23/2005 | CN1586033A Electric motor drive |
| 02/17/2005 | WO2005015727A1 Inverter device for driving electric motor |
| 02/17/2005 | DE10333180A1 Method for operating an electric machine especially polyphase machine, using PWM supply voltage and pulse frequency determined by required output voltage of converter |
| 02/17/2005 | DE102004035813A1 Leistungssteuerungsvorrichtung für einen Turbolader, der mit einem Hilfsmotor ausgerüstet ist, sowie motorbetriebene Turboladervorrichtung A power control device for a turbocharger, which is equipped with an auxiliary motor, and motor-driven turbocharger apparatus |
| 02/15/2005 | US6856108 Switched reluctance motor and initial activating method thereof |
| 02/10/2005 | WO2005013473A1 Load driver capable of suppressing overcurrent |
| 02/10/2005 | WO2005013471A1 Voltage conversion device and computer-readable recording medium having program recorded thereon for computer to control voltage conversion |
| 02/10/2005 | WO2005013467A1 Voltage conversion device and computer-readable recording medium having program recorded thereon for computer to control voltage conversion by voltage conversion device |
| 02/10/2005 | US20050029973 Motor drive circuit |
| 02/10/2005 | US20050029972 Control apparatus for brushless DC motor |
| 02/09/2005 | EP1504950A1 Controller for driving a permanent magnet type synchronous motor |
| 02/09/2005 | EP1504523A1 Method and device for the sensor reduced regulation of a permanent magnet excited synchronous machine |
| 02/09/2005 | EP1504522A1 Method and device for the regulation of a permanent-magnet excited synchronous machine having reduced power oscillations in the higher rotational speed range |
| 02/09/2005 | EP1504146A1 Method of controlling motor-driven washing machine and control system for the same |
| 02/09/2005 | CN1578111A Controller for AC motor and ac motor system |
| 02/09/2005 | CN1578110A Frequency converter and drive for electric motor |
| 02/09/2005 | CN1578109A Controller for inverter device |
| 02/09/2005 | CN1578108A Spindle motor drive controller |
| 02/09/2005 | CN1578104A Sensorless motor driving device and its driving method |
| 02/09/2005 | CN1578103A Motor controlling equipment and washer and dryer using the same |
| 02/09/2005 | CN1578101A Electric machine driving circuit, integrated circuit and driving method for electric machine circuit |
| 02/09/2005 | CN1578099A Electric power changing device |
| 02/09/2005 | CN1578098A Method and device for driving induction motor |
| 02/09/2005 | CN1578094A Electric power changing device |
| 02/09/2005 | CN1188301C controller for electric stock |
| 02/08/2005 | US6853523 System and a method for protecting an electric motor and its control circuit, and an electric motor |
| 02/08/2005 | US6851934 Stroke control apparatus of reciprocating compressor and method thereof |
| 02/03/2005 | US20050024902 Method and system for improved thermal management of a voltage source inverter operating at low output frequency utilizing a zero vector modulation technique |
| 02/03/2005 | DE10358598A1 Vektorgesteuertes Dualumrichtersystem für einen Induktionsmotor Vector Controlled Dualumrichtersystem for an induction motor |
| 02/02/2005 | EP1503491A2 Motor driving apparatus |
| 02/02/2005 | EP1503074A1 Drive circuit for rotating electric device and electrical unit for vehicle |
| 02/02/2005 | EP1110301B1 Method for controlling a current-regulated motor |
| 02/02/2005 | CN1574605A Apparatus and method for controlling inverter for driving a three-phase motor |
| 02/02/2005 | CN1574604A Motor driving apparatus |
| 02/02/2005 | CN1574603A Motor driving apparatus |
| 02/02/2005 | CN1574597A Amplitude regulation circuit and method, and motor driving control apparatus and method |
| 02/02/2005 | CN1574589A Motor control unit |
| 02/02/2005 | CN1574560A Motor driving apparatus |
| 02/02/2005 | CN1187888C 逆变器装置 The inverter device |
| 02/01/2005 | US6850031 Electric motor controller |
| 02/01/2005 | US6850027 Stepping motor driver |
| 01/27/2005 | US20050018459 Frequency converter and drive for electric motor |
| 01/27/2005 | US20050017672 Power control apparatus for a turbo charger equipped with an assist motor and a motor driven turbo charging apparatus |
| 01/27/2005 | DE102004028308A1 Vorrichtung zur Erfassung eines Motorantriebstroms A device for detecting a motor driving current |