Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
01/2008
01/30/2008EP1883156A2 Motor driving apparatus
01/30/2008EP1881910A2 Load drive apparatus and motored vehicle having the same mounted thereon
01/30/2008CN201013618Y Medium-power multiple blower fans parallel connection type scene complementary water lifting system
01/30/2008CN101114808A Variable frequency speed regulator
01/30/2008CN101114807A Motor driving apparatus
01/30/2008CN101113793A Frequency conversion type intelligent type valve actuator
01/24/2008WO2008010595A1 Rotary electric device control device, rotary electric device control method, and rotary electric device control program
01/24/2008US20080018296 Motor control device
01/24/2008US20080018292 System And Method For Starting A Wound Rotor Motor
01/24/2008US20080018290 Mechatronic integration of motor drive and E-machine, especially smart-E-motor
01/24/2008US20080018278 Motor and drive control device therefor
01/24/2008US20080018277 Motor and drive control device therefor
01/24/2008DE102007026012A1 Electric drive controlling device for printing material processing machine, has electronic control unit calculating electric energy required by electric drive as function of motion profiles of electric drive
01/24/2008DE102006027716B3 Ansteuerung mit Wechselrichtern bei geringen Schaltverlusten Control with inverters at low switching losses
01/24/2008DE10120639B4 Steuersystem für einen Permanentmagnetmotor A control system for a permanent magnet motor
01/23/2008EP1881596A1 Motor drive system control device and electric vehicle using the same
01/23/2008EP1881595A1 Motor control device
01/23/2008CN101111990A Control device for variable speed alternating current motor
01/23/2008CN101110564A Air conditioner with plurality of indoor units and its control method
01/23/2008CN101110563A One with many air conditioner
01/23/2008CN101110562A Air conditioner with plurality of indoor units and its operating control method
01/23/2008CN101110543A Compressor and its control method
01/23/2008CN100364228C Generated power control system
01/23/2008CN100364225C Sensorless motor driving device and its driving method
01/23/2008CN100364223C Power supply system and air conditioning device
01/17/2008US20080012521 Servomotor Current Control Method And Servomotor
01/16/2008CN201007962Y Electric tools speed regulation switch
01/16/2008CN201004976Y Ice-cream machine the noise of which can be reduced
01/16/2008CN101106353A Device for the controlled power consumption of electric drives in machinery
01/16/2008CN100362737C Rotor angle estimation for permanent magnet synchronous motor drive
01/10/2008WO2008004418A1 Vehicle power output device and its control method
01/10/2008WO2008004417A1 Sensorless control apparatus of synchronous machine
01/10/2008WO2008004316A1 Vector control apparatus for induction motor, vector control method for induction motor, and drive control apparatus for induction motor
01/10/2008WO2008004294A1 Induction motor vector control device, induction motor vector control method, and induction motor drive control device
01/10/2008US20080009979 Device for the controlled power consumption of electric drives in machinery and machine including the device for processing printing material
01/10/2008US20080007199 Controller and control method of permanent magnet type rotary motor
01/10/2008US20080007198 Control apparatus for ac rotary machine
01/10/2008US20080007197 Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the same
01/10/2008US20080007196 Apparatus and method for driving an induction motor
01/10/2008US20080007190 Motor control apparatus and on-vehicle motor drive system
01/09/2008EP1876699A2 Method for controlling brake chopper, brake chopper and frequency converter
01/09/2008CN201004616Y A differential speed control device for dual frequency converter
01/09/2008CN101102067A Synchronization motor and its speed adjustment of DC armature three-phase AC excitation
01/09/2008CN101102047A An integrated power-saving protection control system
01/09/2008CN101102046A An integrated power-saving protection control system
01/09/2008CN101102045A An integrated power-saving protection control system
01/09/2008CN101102044A An integrated power-saving protection control system
01/09/2008CN101101003A Mine single lane tunneling aeration machine integrated control system
01/09/2008CN101101001A Fan system and its switch control device
01/08/2008US7317295 Electric motor driving system, electric four-wheel drive vehicle, and hybrid vehicle
01/08/2008US7317292 AC motor control method and control device
01/03/2008WO2008001949A1 Motor drive device
01/03/2008WO2008001615A1 Electric motor driving device
01/03/2008WO2008001572A1 Inverter control device and its operation method
01/03/2008WO2008001445A1 Ac rotating machine controller
01/02/2008EP1282938B1 Motor energisation control circuit
01/02/2008CN201001098Y Optimized energy-saving controller for combination type pumping unit
01/02/2008CN201001027Y Autocontrol protective equipment of frequency converter for intelligent electricity-saving equipment
01/02/2008CN101098122A Method for driving synchronous machine to operation using power source type frequency converter
01/02/2008CN101098110A Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the same
01/02/2008CN100359799C Converter controller and its control method
01/02/2008CN100359798C Method for controlling doubly-fed machine
01/02/2008CN100359797C Method for operating flexible powering frequency changing regulating speed control apparatus of direct control oil pumping unit
01/02/2008CN100359796C Control system of electric machine for dynamic changing wavecurve of electric machine energized current
01/02/2008CN100359794C Motor controller
01/02/2008CN100359175C Linear compressor driving device, medium and information assembly
01/01/2008US7315147 Motor and motor drive system
12/2007
12/27/2007WO2007148726A1 Inverter control method
12/27/2007WO2007148521A1 Motorized vehicle
12/27/2007US20070296375 Control method for motor and controller for motor
12/27/2007CA2654392A1 Electrically powered vehicle
12/26/2007EP1871003A1 Motor drive and compressor drive
12/26/2007EP1692757B8 Device for power adjustment by phase control and method for reduction of harmonic waves
12/26/2007CN200997584Y Controller of ventilating fan
12/26/2007CN101093975A Speed control device for electric motor
12/26/2007CN101093962A AC frequency conversion device in large power of traction system of coal cutter
12/26/2007CN101093033A Frequency conversion type intellective electromotion unit for valve
12/26/2007CN100358236C Digital intelligent control system of adopting low voltage converter to realize medium-voltage motor speed regulation
12/26/2007CN100358229C Rotation drive device and rotation drive method
12/25/2007US7312592 Adaptive system for optimizing excitation current waveform profiles for electric motors
12/21/2007WO2007146754A1 Apparatus and method to provide reduced fan noise at startup
12/20/2007US20070290652 A Method For Controlling A Cycle-Skipping Control System Including Computer Readable Code And Controller For Performing Such Method
12/20/2007US20070290651 Solar power control using irradiance
12/20/2007US20070290650 Motor Control Unit And Vehicle Equipped Therewith
12/20/2007US20070290647 Motor controller
12/19/2007CN200994116Y Current feedback differential amplifying-sampling circuit and air conditioner with same
12/19/2007CN200993455Y Vehicular DC variable frequency air conditioner control circuit
12/19/2007CN101091025A 作业机械 Operating machinery
12/19/2007CN101090255A Air conditioner frequency conversion control circuit
12/19/2007CN101090254A Power factor compensation method of frequency conversion air conditioner
12/19/2007CN101090253A Control unit of air-conditioning compressor
12/19/2007CN101090246A Three-in-one AC servo driver
12/19/2007CN101089270A Driving apparatus for loom
12/19/2007CN100356685C Electric motor controller of textile machine
12/19/2007CN100356682C Method and system for intelligent fan speed control
12/18/2007US7310475 Motor driving apparatus
12/18/2007US7310001 Current sensing method and current sensing device, power conversion device using this current sensing device, and vehicle using this power conversion device
12/18/2007US7309973 Mitigation of harmonic currents and conservation of power in non-linear load systems
12/18/2007US7309968 Motor control circuit and associated full bridge switching arrangement
12/13/2007WO2007142009A1 Power conversion apparatus and compressor
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