Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
11/2011
11/09/2011CN101534029B Polyphase induction motor with large capacity and high torque density
11/09/2011CN101395032B Driving control device for electricity driving vehicle
11/08/2011US8054032 Discontinuous pulse width modulation for double-ended inverter system
11/08/2011US8054031 Converter device, rotating electrical machine control device, and drive device
11/08/2011US8052571 Control device and control method for hybrid vehicle
11/08/2011CA2629827C Motor driving system and motor driving method
11/03/2011WO2011135695A1 Power conversion device
11/03/2011WO2011135694A1 Power conversion device
11/03/2011WO2010122651A9 Power conversion device
11/03/2011US20110266992 Power Conversion Device
11/03/2011DE102010028497A1 Betriebsverfahren und Stromversorgungseinrichtung für eine fremderregte bürstenlose Synchronmaschine Methods of operation and power supply device for a separately excited brushless synchronous machine
11/03/2011DE102010028495A1 Betriebsverfahren und Stromversorgungseinrichtung für eine mit Drehstrom fremderregte bürstenlose Synchronmaschine Methods of operation and power supply device for a separately excited with three-phase brushless synchronous machine
11/02/2011CN202026275U Novel power supply circuit for motor control system
11/02/2011CN202026274U Variable-frequency speed regulator for welding-strip processing
11/02/2011CN101454514B Work vehicle
10/2011
10/27/2011WO2011133937A2 Apparatus for selecting speed of electrically commutated motor for use in hvac system
10/27/2011WO2011133234A2 Blower motor for hvac systems
10/27/2011WO2011132269A1 Control device for motor drive system and vehicle having same
10/27/2011WO2010060585A3 Converter
10/27/2011US20110260662 Motor driving apparatus having function of dynamically switching converter operation mode of ac/dc converter
10/26/2011EP2380272A1 Control system for ac motor
10/26/2011CN202019308U Special frequency converters for roll cutting machine
10/26/2011CN202019307U Special frequency converter for splint cutting machine
10/26/2011CN202019290U Constant-current source circuit for remote operation box of frequency converter
10/26/2011CN202019228U Double power supply device of high voltage frequency converter controller
10/26/2011CN101817473B Frequency conversion system of rotor of alternating current mine hoist
10/26/2011CN101507100B AC motor vector control apparatus
10/25/2011US8044633 Drive device of electric motor
10/25/2011US8044632 Power conversion device
10/25/2011US8044631 Power conversion systems and methods for controlling harmonic distortion
10/25/2011US8044620 Driving apparatus for multi-phase AC synchronous motor
10/20/2011WO2011129423A1 Rotor phase/velocity estimation device for alternating-current motor
10/20/2011WO2011128770A2 Electric machine, control device for controlling said electric machine, electric propulsion system comprising said electric machine and said control device, and method for controlling said electric machine
10/20/2011WO2011128219A2 Control device
10/20/2011US20110254477 Blower motor for hvac systems
10/19/2011CN202014223U Constant tension adhesive plaster coiling control device of calender
10/19/2011CN202014222U Energy-saving frequency conversion compensation control cabinet
10/19/2011CN202014221U Power-down processing circuit of frequency conversion dragging system controlled by PLC
10/19/2011CN202012334U Stepless speed regulating AC servo motor driving system
10/19/2011CN102224673A Electric energy storage integrated within or proximate to electrically driven flight control actuators
10/19/2011CN102224304A Rotation control device for work machinery, control program and work machinery
10/19/2011CN102223139A Method for realizing direct torque control by single current sensor
10/19/2011CN102223138A Motor synchronous modulation method and control system thereof
10/19/2011CN102223137A Method and arrangement in connection with electric device system
10/19/2011CN102223136A Non-energy-storing motor-driven system for complementary power supply of wind power generation and electrical network
10/19/2011CN102223135A Electricity-saving system of oil pumping unit
10/19/2011CN102223132A Method for controlling multi-stator arc motor for large telescope
10/19/2011CN101420197B Control device for driving a brushless DC motor
10/18/2011US8040101 Alternating current motor drive circuit and electric vehicle drive circuit
10/18/2011US8040094 Voltage clamping and energy recovery circuits
10/13/2011US20110248664 Energy converter
10/12/2011EP2375558A1 Motor drive device, and compressor and refrigerator using same
10/12/2011EP1965083B1 Hydraulic unit and method of controlling speed of motor in hydraulic unit
10/12/2011CN202009362U Power supply system
10/12/2011CN102215027A Cascade speed control device
10/12/2011CN102215026A Control device based on neutral point migration technology of high-voltage transducer of DSP (Digital Signal Processor) and FPGA (Field Programmable Gate Array)
10/12/2011CN102215020A Electric motor driving device and vehicle equipped with the same
10/12/2011CN102215007A Power control circuit board
10/12/2011CN102213084A Stroke frequency regulating device of oil pumping machine
10/12/2011CN101622780B Device for controlling electric vehicle and electric vehicle equipped with the control device, and electric vehicle control method and computer readable recording medium on which program for allowing
10/11/2011US8035934 Shift switching device and shift switching method
10/11/2011US8035330 Apparatus and method for driving synchronous motor
10/06/2011WO2011122105A1 Control device for an electric motor drive device
10/06/2011WO2011122104A1 Control device for an electric motor drive device
10/06/2011US20110245299 Nicotinic acid compositions for treating hyperlipidemia and related methods therefor
10/06/2011US20110241583 Control device of motor driving apparatus
10/06/2011US20110241580 Motor drive system with bus voltage control
10/05/2011EP2372900A1 Motor control device
10/05/2011EP2371056A1 Electric energy storage integrated within or proximate to electrically driven flight control actuators
10/05/2011CN202004723U Frequency conversion speed regulation device of stringing type direct current locomotive for mines
10/05/2011CN202004722U Speed regulating motor for braiding machine
10/05/2011CN202004721U Variable-frequency energy-saving system of air cabinet
10/05/2011CN202004720U Alarming automatic resetting device of frequency converter of continuous casting machine
10/05/2011CN202004657U Novel land type variable frequency power source
10/05/2011CN202001348U Frequency conversion control system of fan
10/05/2011CN102208896A Motor driving apparatus having fault diagnostic function
10/05/2011CN102208895A Method and device for detecting initial position angle of electro-excitation synchronous machine rotor
10/05/2011CN102208879A Direct-current to three-phase alternating-current inverter system
10/05/2011CN102208878A DC to three-phase AC inverter system
10/05/2011CN101924437B Dual-mechanical port motor and drive control system thereof
10/05/2011CN101559726B Drive device, hybrid vehicle equipped with the drive device and control method for the drive device
10/05/2011CN101496277B Power change device
10/04/2011US8030878 Motor driving device having power failure detection function
10/04/2011US8030874 Power converting apparatus
09/2011
09/29/2011WO2011117932A1 Inverter device and electric device using same
09/29/2011US20110234136 Power factor correction drive circuit topologies and control for switched reluctance machines
09/29/2011US20110234127 Current limiting device for vehicle
09/29/2011US20110234126 Method and apparatus to monitor an electric motor control circuit
09/29/2011US20110234124 Optimized power demand control system for electrical motors
09/29/2011CA2794178A1 Variable electrical generator
09/28/2011EP2369736A1 Motor drive device
09/28/2011CN201994913U 直接转矩控制牵引变频调速系统 Direct Torque Control traction inverter system
09/28/2011CN201994912U 高振强振动机械的智能变频超前控制系统 Ko advanced intelligent frequency mechanical vibration control system
09/28/2011CN201994911U 电动机智能节电控制器 Intelligent power-saving motor controller
09/28/2011CN201994910U 塑料薄膜卷取用异步电机变频控制柜 Plastic film winding asynchronous motor frequency control cabinet
09/28/2011CN201994899U 一种永磁同步电机的控制系统 A permanent magnet synchronous motor control system
09/28/2011CN201994802U 风扇用的多相外转子式变频感应马达 Fan multiphase outer rotor type motor with variable frequency induction
09/28/2011CN201994731U 一种车用电机驱动器 A vehicle with a motor drive
09/28/2011CN102204083A Method and system for actuating a variable speed electric engine for a compressor, variable capacity compressor and refrigeration system
09/28/2011CN102204082A Control device for permanent magnet synchronization electric motor
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