| 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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| 12/18/2008 | WO2008153161A1 Hybrid electric vehicle |
| 12/18/2008 | WO2008152929A1 Motor control device and its control method |
| 12/18/2008 | WO2008152906A1 Electric compressor control device |
| 12/18/2008 | WO2008152761A1 Motor driving device, motor device, and integrated circuit device |
| 12/18/2008 | US20080309262 Multiple Phase Electric Motor and Drive |
| 12/17/2008 | CN101326707A Inverter device |
| 12/17/2008 | CN100444516C 逆变器装置 The inverter device |
| 12/17/2008 | CN100444515C Voltage decoupling variable-frequency control vector controlling method with parameter self-regulating function |
| 12/12/2008 | CA2632463A1 Circuit and method for reducing a voltage being developed across a field winding of a synchronous machine |
| 12/11/2008 | WO2008149638A1 Brushless motor |
| 12/11/2008 | WO2008149414A1 Power conversion device and motor driving method |
| 12/11/2008 | WO2008148160A1 Torque control for ac motors |
| 12/11/2008 | US20080303477 Oil pump systems and methods for preventing torque overload in motors of oil pump systems |
| 12/11/2008 | US20080303469 Variable Frequency Drive System Apparatus and Method for Reduced Ground Leakage Current and Transistor Protection |
| 12/11/2008 | DE102007028083A1 Electronically commutated three-phase direct current motor, has diode connected parallel to inductor, and capacitor connected to output side with series connection of impedance and receiving ripple currents from motor |
| 12/10/2008 | EP2001124A2 Motor-driven control system and its control method |
| 12/10/2008 | EP2000378A1 Vehicle and motor control apparatus for vehicle |
| 12/10/2008 | CN101320958A Asynchronously and simultaneously implementing rotor variable-frequency control system by semi-bridge inverter driving multiple electric motors |
| 12/10/2008 | CN101320957A Control device of primary winding segmenting structure permanent magnet synchronous linear electric motor |
| 12/10/2008 | CN101320956A Method for operating a three-phase rotating electric machine and device for implementing the method |
| 12/10/2008 | CN100442187C Device for changing delivered fluid pressure of spray scrubber |
| 12/09/2008 | US7463006 Motor and drive control device therefor |
| 12/09/2008 | US7463005 Method and device for sensorless vector control for AC motor |
| 12/04/2008 | WO2008147032A1 Motor driver system and method for protecting motor driver |
| 12/04/2008 | WO2008147024A1 Motor driver system and method of protecting motor driver |
| 12/04/2008 | WO2008146996A1 Compensation method of zero-current-clamping effect in pulsating carrier-signal injection-based sensorless drives |
| 12/04/2008 | WO2008146993A1 Apparatus and method for controlling operation of motor |
| 12/04/2008 | WO2008146598A1 Sensor-less control device for permanent-magnet synchronous electric motor |
| 12/04/2008 | WO2008092154B1 System and method to extend synchronous operation of an active converter in a variable speed drive |
| 12/04/2008 | US20080300284 sustained release niacin formulation with side effect reduction of liver toxicity and effects on glucose metabolism and uric acid levels |
| 12/04/2008 | US20080297102 Cleaner and method for driving the same |
| 12/04/2008 | US20080297101 Cleaner and method for driving the same |
| 12/04/2008 | US20080297100 Apparatus, systems, and methods for reducing voltage source inverter losses |
| 12/04/2008 | US20080297099 Motor controller, washing machine, and motor control method |
| 12/04/2008 | US20080297088 Fuel/electric drive system |
| 12/04/2008 | US20080297087 Apparatus and Method for Controlling a Motor |
| 12/04/2008 | US20080297085 Motor driver system and method for protecting motor driver |
| 12/04/2008 | DE10344914B4 Steuerungsalgorithmus für eine AC-Maschine ohne Positionssensor Control algorithm for an AC machine without position sensor |
| 12/04/2008 | DE102008022685A1 Motorsteuerungs- Verfahren und Vorrichtung dafür Motor control method and apparatus therefor |
| 12/03/2008 | EP1997714A1 Electric power steering device |
| 12/03/2008 | EP0848492B1 Method for diagnosing abnormality of circuit member of inverter driving controller for driving and controlling motor |
| 12/03/2008 | CN201160270Y Novel high voltage variable-frequency control system with energy feedback function |
| 12/03/2008 | CN201160269Y Electric power consumption conserving server of industrial and mining establishment system |
| 12/03/2008 | CN201160268Y Electric power consumption conserving server of industrial and mining establishment system |
| 12/03/2008 | CN201160267Y AC single-phase electric motor speed governing and steadying circuit |
| 12/03/2008 | CN201160260Y Single-power source three-phase linear frequency convertor |
| 12/03/2008 | CN201160030Y Indistinct speed regulator of three-phase AC motor |
| 12/03/2008 | CN201159851Y Vector variable-frequency timing control cabinet of rotary drill rig |
| 12/03/2008 | CN101317326A Apparatus and method for driving two-phase SRM electric motor |
| 12/03/2008 | CN101317203A Method for controlling a roller-blind actuator |
| 12/03/2008 | CN101316094A Apparatus, systems, and methods for reducing voltage source inverter losses |
| 12/03/2008 | CN101316093A Constant slip frequency vector control method and system for linear induction motor |
| 12/03/2008 | CN101316087A Drive control circuit for electric motor and electric motor equipped with same |
| 12/03/2008 | CN101316085A Washing machine apparatus and method |
| 12/03/2008 | CN100440722C Inverter system, AC ratory machine and electric inverter |
| 12/03/2008 | CN100440721C Frequency changing AC speed changing driving washing machine |
| 12/03/2008 | CN100440713C Two phase PWM modulation method for reducing small common-mode voltage |
| 12/03/2008 | CN100440700C Voltage conversion device and electric car |
| 12/02/2008 | US7459879 Motor controller |
| 12/01/2008 | CA2631373A1 Washing machine apparatus and method |
| 11/28/2008 | CA2590463A1 Neither induction nor synchronous multi-phase electric motor also operating as angular positioner and method to use dual three phase high frequency electric power to eliminate disadvantages in prior art three-phase electric motors |
| 11/27/2008 | WO2008142756A1 Apparatus and method for controlling permanent magnet synchronous motor, and program |
| 11/27/2008 | WO2008141407A1 Method and system for reducing electromagnetic interference in a refrigeration system |
| 11/27/2008 | US20080292290 Motor control method and apparatus thereof |
| 11/27/2008 | US20080290827 Motor control apparatus and motor control method |
| 11/27/2008 | US20080290824 Apparatus and method for controlling operation of motor |
| 11/27/2008 | DE112007000277T5 Regelungsverfahren und -gerät für einen elektrischen Motor Control method and apparatus for an electric motor |
| 11/27/2008 | DE102008021421A1 Verfahren und System zur Motorsteuerung mit Verzögerungskompensation Method and system for motor control with delay compensation |
| 11/27/2008 | DE102008019568A1 Verfahren und System zum Betreiben eines Motors, um ausgewählte Impulsverhältniswerte zu vermeiden Method and system for operating an engine in order to prevent selected pulse ratio values |
| 11/27/2008 | DE102007025777A1 Drive, has control device including voltage regulation device providing constant brake voltage independent of output voltage and output frequency and independent of load condition of inverter during operation of motor |
| 11/27/2008 | DE102007020706A1 Polumschaltbare Asynchronmaschine für variable Speisefrequenz Multi-speed asynchronous variable supply frequency |
| 11/26/2008 | EP1995870A1 Earth-fault detecting method |
| 11/26/2008 | EP1995862A1 Multiphase load control method |
| 11/26/2008 | EP1504523B1 Method and device for the sensor reduced regulation of a permanent magnet excited synchronous machine |
| 11/26/2008 | CN201156718Y Vector control apparatus of series connection type high-voltage frequency transformer of power unit |
| 11/26/2008 | CN101312333A Power converter |
| 11/26/2008 | CN101311547A Control circuit of blower for vehicle air conditioning |
| 11/26/2008 | CN100438322C Voltage modulation device for controlling electric vehicle motor |
| 11/26/2008 | CN100438321C Motor drive unit |
| 11/26/2008 | CN100438320C Power converter |
| 11/26/2008 | CN100438319C System and method for individual phase motor over voltage protection |
| 11/26/2008 | CN100438289C Voltage conversion device and computer-readable recording medium having program recorded thereon for computer to control voltage conversion by voltage conversion device |
| 11/26/2008 | CN100436823C Compressor internal state estimating device and air conditioner |
| 11/25/2008 | US7456602 System and method of commonly controlling power converters |
| 11/20/2008 | WO2008139522A1 Vehicle operation system, charge system and vehicle |
| 11/20/2008 | WO2008139518A1 Power conversion system |
| 11/20/2008 | US20080284369 Power converters |
| 11/20/2008 | DE102008018950A1 Verfahren und System zur Impulspositionsplanung bei Elektroantrieben Method and system for pulse position planning in electric drives |
| 11/19/2008 | CN201153246Y High-voltage frequency-converting speed-regulating apparatus capable of realizing measurement of remote monitoring energy saving |
| 11/19/2008 | CN201153244Y Motor drive and motor drive of washing machine drier |
| 11/19/2008 | CN201153243Y Intelligent frequency-converting speed-regulating system |
| 11/19/2008 | CN101309067A Motor vibration suppression method based on imaginary power current compensation |
| 11/19/2008 | CN101309066A One-master-driving-two system of industrial frequency transformer realized on basis of digital signal processor (DSP) |
| 11/19/2008 | CN101309065A Electricity-saving controller for electric motor |
| 11/19/2008 | CN101308366A Fan speed-changer |
| 11/19/2008 | CN100435478C Synchronous detection circuit for frequency changing air conditioner digital voltage lifting PFC circuit |
| 11/19/2008 | CN100435477C Electric motor speed and direction controller and method |
| 11/19/2008 | CN100435470C Load drive device, vehicle, and abnormality processing method in load drive device |
| 11/19/2008 | CN100435469C Method and arrangement in connection with slip-ring motor |
| 11/13/2008 | WO2008136212A1 Motor drive |