| 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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| 12/13/2007 | WO2007141948A1 Motor and motor control device |
| 12/13/2007 | US20070285047 Circuit for using the sign transitions of a motor phase and a motor phase back emf currents to control pwm |
| 12/13/2007 | US20070285046 Semiconductor element drive device, power conversion device, motor drive device, semiconductor element drive method, power conversion method, and motor drive method |
| 12/13/2007 | US20070285044 Control apparatus, dual chip inverter and single chip inverter of AC motors |
| 12/13/2007 | DE112005003041T5 Motorsteuerungseinheit und ein damit ausgerüstetes Fahrzeug Engine control unit and an equipped vehicle |
| 12/13/2007 | DE102006027465A1 Strombegrenzung für eine doppeltgespeiste Asynchronmaschine Current limit for a double-fed asynchronous machine |
| 12/13/2007 | CA2632108A1 Ride-through method and system for hvac&r chillers |
| 12/12/2007 | EP1864847A1 Hybrid vehicle |
| 12/12/2007 | EP1695436B1 Controlling of a direct-current motor |
| 12/12/2007 | CN200990583Y AC electric machine intelligent electricity economizer |
| 12/12/2007 | CN200988724Y Frequency variator for lift door machine |
| 12/12/2007 | CN101087124A A frequency converter control method and device for principal axis of machine tool |
| 12/12/2007 | CN101087108A A power unit bypass machine of high-voltage frequency conversion and speed-adjusting device |
| 12/12/2007 | CN101086258A Frequency-variable screw type refrigerating compressor |
| 12/11/2007 | US7308192 Motor drive control with a single current sensor using space vector technique |
| 12/11/2007 | US7307400 Inverter operation with over-modulation |
| 12/11/2007 | US7307399 Systems for managing electrical power |
| 12/06/2007 | WO2007139202A1 Power controller and vehicle equipped with power controller |
| 12/06/2007 | WO2007139169A1 Working vehicle |
| 12/06/2007 | WO2007139167A1 Working vehicle |
| 12/06/2007 | WO2007139126A1 Motor driving control system and its control method |
| 12/06/2007 | WO2007138676A1 Steering control device |
| 12/06/2007 | WO2007138644A1 Ac rotating machine control apparatus and ac rotating machine control method |
| 12/06/2007 | US20070278988 Common mode filter for motor controllers |
| 12/06/2007 | US20070278987 Electrical Multiphase machine and method for operating same |
| 12/06/2007 | US20070278985 System And Method For Starting A Wound Rotor Motor |
| 12/06/2007 | US20070278890 Switching pattern ac induction motor |
| 12/05/2007 | CN200987144Y Injection moulding machine, Bottle blow-moulding machine, etc., motor energy-saving device |
| 12/05/2007 | CN200987143Y Power saving device for industry single phase, three phase electric sewing machine |
| 12/05/2007 | CN200987131Y Multi-driving synchronous controller |
| 12/05/2007 | CN101083448A Method and apparatus for PWM control of voltage source inverter |
| 12/05/2007 | CN101081676A Frequency-modulation construction hoist and control method thereof |
| 12/05/2007 | CN101081600A Amplitude array vector switch high-pressure frequency-conversion drive apparatus |
| 12/05/2007 | CN100353659C Motor driving apparatus |
| 12/04/2007 | US7304835 Mainframe and power supply arrangement |
| 12/04/2007 | US7304451 Motor control apparatus and method for generating modulation wave instruction of PWM inverter of the same motor control apparatus |
| 11/29/2007 | WO2006097789A3 Apparatus and method for controlling a motor |
| 11/29/2007 | WO2006022725A3 Operating a three phase device using single phase power |
| 11/28/2007 | EP1860766A1 Electric power steering device control method and apparatus |
| 11/28/2007 | CN200983573Y Efficient DC share energy-saving and theft-prevention control system of oil extraction well station |
| 11/28/2007 | CN200983572Y Grinder speed-adjusting system |
| 11/28/2007 | CN200983571Y Oil extractor non contact power adjusting and energy-saving control box |
| 11/28/2007 | CN200983507Y Intelligent energy-saving integration device |
| 11/28/2007 | CN101079590A A speed difference control system of dual frequency converter and its control method |
| 11/28/2007 | CN101079589A Electric motor drive device and electric motor drive method |
| 11/28/2007 | CN101079583A Semiconductor element drive device, power conversion device, motor drive device and method |
| 11/28/2007 | CN101079547A DC system for container piling site tyre hoister |
| 11/28/2007 | CN100352157C Converter apparatus, inverter apparatus, and DC link voltage control method |
| 11/28/2007 | CN100352146C Opening/closing reluctance motor and initial driving method |
| 11/27/2007 | US7301301 Electric car control apparatus |
| 11/27/2007 | US7299708 Rotor angle estimation for permanent magnet synchronous motor drive |
| 11/22/2007 | US20070267987 Tandem battery powered inverter and method of implementing same |
| 11/22/2007 | DE102006023442A1 Electrical drive actuating method for vehicle, involves emitting appropriate signal to converter, controller and sensor device to change control parameter and/or filter such that load is brought into rotational vibration-load condition |
| 11/21/2007 | CN200980061Y A torque generator with a high power factor and a low pulsation |
| 11/21/2007 | CN200979740Y A control converter with transmission by power line carrier |
| 11/21/2007 | CN200979581Y A thyristor valves equivalent load testing circuit for a high voltage inverter |
| 11/21/2007 | CN101075142A Fan linear temperature speed adjuster |
| 11/15/2007 | WO2007129359A1 Electric motor control apparatus |
| 11/15/2007 | US20070262744 Method and apparatus for controlling an electric motor using star voltage modulation |
| 11/14/2007 | EP1854204A2 Vsd control |
| 11/14/2007 | EP1522141B1 Motor control system and method with adaptive current profile |
| 11/14/2007 | CN200976564Y PWM motor driving circuit |
| 11/14/2007 | CN200976563Y Main driving mechanism of AC electric vehicle |
| 11/14/2007 | CN101073199A Method for feeding an operating motor of a rolling shutter and a device for a driven rolling shutter |
| 11/14/2007 | CN101073197A Multi-phase current supplying circuit, driving apparatus, compressor, and air conditioner |
| 11/14/2007 | CN101071975A Dual three-level phase-shift high-voltage high-power frequency transformer |
| 11/14/2007 | CN101070855A Pump smart control system based PROFIBUS-DP communication interface |
| 11/14/2007 | CN101069870A Frequency-variable control device for paper crusher and automatic speed-changing method |
| 11/14/2007 | CN100349375C Speed control system of fan motor of air conditioner |
| 11/13/2007 | US7294984 Motor controller |
| 11/08/2007 | WO2007127746A1 Cycloconverter power control system |
| 11/08/2007 | WO2007126037A1 Internal combustion engine stop control device and stop control method |
| 11/08/2007 | WO2007125967A1 Air conditioner |
| 11/08/2007 | WO2007125826A1 Inverter device and air conditioner |
| 11/08/2007 | WO2007125669A1 Motor-driven control device and motor-driven control method |
| 11/08/2007 | US20070257633 Apparatus and method of controlling synchronous reluctance motor |
| 11/08/2007 | DE19735742B4 Über- und untersynchrone Stromrichterkaskade Parent and synchronous converter cascade |
| 11/07/2007 | EP1756926B1 Method for error handling in a converter circuit for wiring of three voltage levels |
| 11/07/2007 | CN200971850Y Automatic track pressure regulating device for loading change of beam unit |
| 11/07/2007 | CN200971615Y Wet concrete injector |
| 11/07/2007 | CN101067508A Low-voltage working fixed speed air conditioner and control method thereof |
| 11/07/2007 | CN101067494A Gas fired-boiler blower variable frequency automatic regulator |
| 11/07/2007 | CN100347942C Motor power supply |
| 11/06/2007 | US7292004 Motor driving apparatus |
| 11/01/2007 | WO2007123458A1 Motor control |
| 11/01/2007 | WO2007123327A1 Driving circuit for single-phase switched reluctance motor and driving method thereof |
| 11/01/2007 | US20070251236 Motor Control and Driver for Electric Boosting Application |
| 10/31/2007 | EP1849231A2 Safety interlock and protection circuit for permanent magnet motor drive |
| 10/31/2007 | DE10206410B4 Rotorwinkel-Erfassungsvorrichtung für bürstenlose Gleichstrommotoren Rotor angle detection device for brushless DC motors |
| 10/31/2007 | CN200968862Y Drive circuit for cross coil motor |
| 10/31/2007 | CN200968064Y Tide type concrete injection machine |
| 10/31/2007 | CN101064493A System and method for transient-based motor speed estimation with transient excitation |
| 10/31/2007 | CN101064490A Method and arrangement in connection with slip-ring motor |
| 10/31/2007 | CN101064460A Low-voltage high-voltage generated three-phase asynchronous motor DC power generation system |
| 10/31/2007 | CN100346572C Motor drive apparatus having oscillation-reducing control function for output torque |
| 10/31/2007 | CN100346571C Energy-saving speed regulating technique for three-phase asynchronous motor |
| 10/30/2007 | US7288916 Pulse width modulation signal generating apparatus having two dead times for on-timings |
| 10/25/2007 | WO2007119360A1 Vehicle and motor control apparatus for vehicle |
| 10/25/2007 | US20070247878 "Low Loss Propulsion System" |
| 10/25/2007 | US20070247104 Mitigation of Harmonic Currents and Conservation of Power in Non-Linear Load Systems |