Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage
Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
10/2007
10/25/2007US20070247103 Method and Apparatus for Controlling Power Supply to Induction Motors
10/25/2007US20070247102 Motor and motor drive system
10/25/2007DE102006018160A1 Rectifier cascade-arrangement for use in speed-changeable drive system, has transformer for feeding energy back into network, and rectifier having insulated-gate bipolar transistors functioning as power semiconductor switches
10/24/2007CN200966030Y Scraper conveyor variable frequency dragging device
10/24/2007CN200966029Y Fan rotary speed controller
10/24/2007CN101060305A Automatic voltage regulating system for electric drive motor
10/24/2007CN101060304A Motor intelligent power-saving protector
10/24/2007CN101060303A A method for realizing the AC load continuous voltage regulating and keeping the sine wave pattern with the switching element
10/24/2007CN101060289A Control system for multiphase rotary electric machine
10/24/2007CN100345372C Frequency variable speed-adjusting mechanism
10/24/2007CN100345371C Electric motor car controller
10/18/2007WO2007116873A1 Inverter device and air conditioner
10/18/2007US20070241720 Inverter system
10/18/2007US20070241719 Electric power system
10/18/2007US20070241706 Motor and motor drive system
10/18/2007DE102006035858A1 Engine e.g. conveying device, and electrical drive machine arrangement, has engine and drive machine with memory unit for storing data, where converter and starter have reading unit that is provided for selecting data stored in memory unit
10/17/2007CN200962578Y Electrical fan motor speed-control device
10/17/2007CN200962577Y Electric executor
10/17/2007CN101056089A Pwm current controlling apparatuses capable of optimally correcting load current
10/17/2007CN101056088A Fan motor control method and its device
10/17/2007CN101056087A Drive control device for AC motor
10/17/2007CN101056086A Ground detection device for motor driving circuit
10/17/2007CN101056085A Smooth switching method for AC motor from transducer power to industrial power
10/17/2007CN100344057C Driving mechanism for industrial installations, in particular for primary industry installations
10/16/2007US7283887 Method for determining a change in direction of rotation of a motor
10/16/2007US7282888 AC fan motor driving circuit having detecting current wave capability
10/11/2007WO2007114058A1 Permanent magnet synchronization motor magnetic pole position detecting method
10/11/2007DE102007011696A1 Verfahren und Vorrichtung zur Erhöhung des Drehmomentabtriebs eines AC-Motors bei niedriger Frequenz Method and apparatus for increasing the torque output of an AC motor at a low frequency
10/10/2007EP1843463A2 Motor control apparatus
10/10/2007CN200959588Y Electric-motor controller
10/10/2007CN200959586Y Electricity economizer of automatic three-phase motor
10/10/2007CN200959585Y Intelligent electricity economizer of motor
10/10/2007CN101051814A Variable frequency speed regulator capable of supperssing producing resonant wave
10/10/2007CN101051813A Less stage multiple increasing volume type high and medium voltage variable frequency speed regulating integrated device
10/10/2007CN101051812A Control method for AC asynchronous motor output torque and its use
10/10/2007CN101050770A Multiple fan parallel type wind-light complementary water pumping system
10/10/2007CN100342638C Method of detecting motor current and motor control device
10/09/2007US7279865 Method and apparatus for monitoring motor status using induced motor voltage
10/09/2007US7279861 Servo control apparatus
10/04/2007WO2007111286A1 Motor-driven control system and its control method
10/04/2007WO2007111031A1 Motor and drive control device
10/04/2007US20070229021 Motor controller
10/04/2007DE102006019875B3 Uninterruptible power supply protecting device for magnetic bearing, has rectifier supplying electrical energy to electrical intermediate circuit of static frequency converter during failure of power supply
10/03/2007CN200956563Y High-voltage AC winding motor rotor variable frequency speed-regulating control system
10/03/2007CN200956562Y Phase compensator for AC induction motor controller
10/03/2007CN200956112Y Intelligent control power-saving device of motor set with multi water pumps
10/03/2007CN200955501Y High-energy-efficiency rate frequency variable screw type refirgeration compressor
10/03/2007CN101047360A Method and apparatus for increasing AC motor torque output at low frequency
10/03/2007CN101047359A Intelligent adaptive electric saver
10/03/2007CN101047358A Sinusoidal DC conversion control method and equipment and equipment for one-drives-two air conditioner
10/03/2007CN101047343A Power inverter system
10/03/2007CN101047342A Loss minimized PWM for voltage source inverters taking into account inverter non-linearity
10/02/2007US7276876 Synchronous motor driving apparatus
10/02/2007US7276873 Fault-handling system for electric power steering system
10/02/2007US7276865 Power output apparatus, motor driving method and computer-readable recording medium having program recorded thereon for allowing computer to execute motor drive control
09/2007
09/27/2007WO2007108358A1 Electric power steering device
09/27/2007WO2007108333A1 Electric motor speed control method and control apparatus
09/27/2007WO2007108296A1 Multiphase load control method
09/27/2007WO2007108185A1 Motor drive and compressor drive
09/27/2007US20070222409 Controller for brushless motor
09/27/2007DE202006008364U1 Stromversorgungsgerät für einen Drehstrom-Asynchronmotor eines Antriebs mit quadratischer Drehmomentkurve Power supply for a three-phase asynchronous motor with a drive square torque curve
09/26/2007EP1692757B1 Device for power adjustment by phase control and method for reduction of harmonic waves
09/26/2007CN200950799Y Soft ice cream machine capable of realizing variable frequency control
09/26/2007CN101043197A 驱动电路 Drive circuit
09/26/2007CN101043196A Synchro motor drive device
09/26/2007CN101043192A Opening drive apparatus for electronic jacquard
09/26/2007CN101043141A Vehicle integrated power and control strategy for cold platerefrigeration system
09/26/2007CN100340058C Three-phase AC. electric motorelectricity-saver
09/26/2007CN100340056C Drive control apparatus and method of alternating current motor
09/26/2007CN100339663C Turbo chiller, compressor therefor, and control method therefor
09/25/2007US7275003 Harmonic diagnosing method for electric facility
09/25/2007US7274241 Global closed loop control system with DV/DT control and EMI/switching loss reduction
09/20/2007US20070216344 Loss minimized PWM for voltage source inverters taking into account inverter non-linearity
09/20/2007US20070216343 Electric engine start system with active rectifier
09/20/2007US20070216342 Vector Control Apparatus for Permanent Magnet Motor
09/20/2007US20070216341 Method and apparatus for PWM control of voltage source inverter
09/20/2007US20070216340 Method of Decelerating Alternating Current Motor and Inverter Apparatus
09/20/2007US20070216339 Electric power converter
09/20/2007US20070216338 Power conversion apparatus and method and automobile
09/20/2007US20070216337 Motor speed estimation system and method using hybrid model reference adaptive system
09/20/2007US20070216323 Motor Drive Apparatus
09/20/2007DE102007011629A1 Verfahren zum Betreiben eines Gebläsemotors A method of operating a fan motor
09/20/2007DE102007010998A1 Energy and data supplying module for automation cell, has three lines via which consumers are connected, three phase voltage system supplied to consumer over lines in operating mode, and speed controller provided with determined frequency
09/20/2007DE102006012307A1 System System
09/20/2007DE102006011993A1 Control loop drive for working unit e.g. manure distributor, of land vehicle e.g. agricultural machine, has three-phase alternator, drive motor e.g. three-phase motor, and frequency converter forming electrically encapsulated unit
09/19/2007EP1835614A1 Motor control device
09/19/2007EP1835609A1 Multi-phase current supplying circuit, driving apparatus, compressor, and air conditioner
09/19/2007CN101040432A Electric car controller
09/19/2007CN101039099A Motor driving apparatus
09/19/2007CN101039098A Motor driving apparatus
09/19/2007CN101039097A Vehicle drive control system, motor control device and vehicle drive control method
09/19/2007CN101039096A Permanent-magnetic synchronous motor weak magnetic control system based on A. C. indirect control
09/19/2007CN101039095A Permanent-magnetic synchronous motor weak magnetic control system based on A. C. direct control
09/19/2007CN101039094A Multi-level frequency conversion driving apparatus with energy conservation unit
09/19/2007CN101039088A Motor speed estimation system and method using hybrid model reference adaptive system
09/19/2007CN101039079A Apparatus and method for supplying DC power source
09/19/2007CN100338871C Spindle motor drive controller
09/19/2007CN100338870C High-slip frequency speed-adjusting method and its mechanism
09/19/2007CN100338868C Controller for synchromotor, electric equipment and module
09/19/2007CN100338867C Motor driving unit of tableware washing apparatus
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