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)
10/2010
10/13/2010CN1949661B Method for maintaining a direct voltage at the input of a DC/AC voltage converter, recording medium for this method, and electric vehicle
10/13/2010CN1752359B Water feeding device and frequency changer
10/13/2010CN101860320A Electric automobile motor control circuit with charging function
10/13/2010CN101860319A Multi-target large powder inverter common-mode voltage suppressing method
10/13/2010CN101860318A Alternating current governing system for twin-stage matrix converter having anti-losing capability
10/13/2010CN101860317A Energy saving method for low rotating speed and heavy load equipment dragging motor
10/13/2010CN101860315A Motor control system for achieving peak torque
10/13/2010CN101860295A Motor driving method, motor driving system, heat pump system and fan motor system
10/13/2010CN101453190B Non feedback type AC frequency conversion apparatus for asynchronous motor
10/13/2010CN101010515B System and method to reduce acoustic noise in screw compressors
10/07/2010US20100256821 Constant airflow control of a ventilation system
10/07/2010US20100253249 Fan arrangement
10/07/2010US20100253172 Alternating current electric induction motor
10/07/2010US20100251512 Control of an electric machine
10/07/2010US20100251511 Control of a permanent-magnet motor
10/07/2010US20100251510 Constant-power electric system
10/07/2010US20100251509 High-speed electric system
10/07/2010DE102010001241A1 Elektronisch kommutierter Elektromotor mit einer Notlaufeigenschaft Electronically commutated electric motor with an emergency mode
10/07/2010DE102009056720A1 Fahrzeuglenkungs-Steuervorrichtung und deren Verfahren Vehicle steering control apparatus and its method
10/07/2010DE102008054197A1 Steuerungssystem und Steuerungsverfahren zum geberlosen Betrieb von Asynchronmaschinen Control system and control method for sensorless operation of asynchronous
10/06/2010EP2237409A1 Control system for an electric machine
10/06/2010EP2237408A1 Control system for an electric machine
10/06/2010EP2237407A1 Control system for an electric machine
10/06/2010EP2237406A1 Frequency converter start-up
10/06/2010EP2237401A1 Controller of power converter
10/06/2010CN201601654U 有源电力滤波数字处理控制电机节能装置 APF digital processing control motor energy-saving devices
10/06/2010CN201601653U 一种防止药厂防爆冷却泵电机超负荷运行的装置 An apparatus for pharmaceutical Ex cooling pump motor running to prevent overload
10/06/2010CN201601648U 一种电动车大功率无传感器矢量控制器 An electric vehicle power sensorless vector control
10/06/2010CN201601610U 一种变频器电路 One kind of inverter circuit
10/06/2010CN201599196U 螺杆空压机的节电系统 Screw air compressor energy-saving system
10/06/2010CN1777020B Apparatus for controlling speed of fan motor of air-conditioner
10/06/2010CN101855827A Revolving electric motor control system, and vehicular drive system having the revolving electric motor control system
10/06/2010CN101855826A Drive device control unit
10/06/2010CN101855825A Motor control device and control method thereof
10/06/2010CN101855824A Inverter device for washing machine
10/06/2010CN101854146A Three-phase PWM signal generation and control device for frequency change
10/06/2010CN101353130B AC mine winder rotor frequency modulation pressure regulating apparatus
10/06/2010CN101141112B Common DC bus based multi-frequency converter system for vessel
10/06/2010CA2698924A1 Alternating current electric induction motor
10/05/2010US7808202 Beat-less controller for permanent magnet motor
10/01/2010CA2696215A1 Medium voltage inverter system
09/2010
09/30/2010WO2010110013A1 Device and method for power-saving driving of device having same load pattern
09/30/2010WO2010109964A1 Semiconductor integrated circuit device
09/30/2010WO2010109528A1 Alternating-current rotary machine controller
09/30/2010WO2010109522A1 Rotary electric machine controller
09/30/2010WO2010109520A1 Device and method for rotating electric machine
09/30/2010US20100250067 Vehicular steering control apparatus and method
09/30/2010DE19942203B4 Verfahren zur Ausgangsspannungsbegrenzung für einen spannungs-/frequenzgeführten Umrichter Method for Output voltage limitation for a voltage / frequency commutated converters
09/30/2010CA2756719A1 Controller for ac rotary machine
09/30/2010CA2756406A1 Control apparatus for electric rotating machine
09/29/2010EP2234266A1 Motor control device and electric power steering device
09/29/2010EP2232698A1 Electric motor
09/29/2010CN201594808U Control device for adjusting motor speed
09/29/2010CN201594807U Pumping unit speed regulating and dragging device
09/29/2010CN201594182U Time setting protective circuit for processor
09/29/2010CN1906836B Voltage conversion device
09/29/2010CN101849058A Washing machine
09/29/2010CN101847965A Motor current switch of electric automobile
09/29/2010CN101847964A Digital sinusoidal voltage amplitude-frequency coherent transducer
09/29/2010CN101594115B Energy-saving device and method applied to numerical control system
09/29/2010CN101227164B Direct current compressor drive circuit
09/29/2010CN101101001B 风扇系统及其开关控制装置 Fan system and switch control device
09/28/2010US7804271 Multiphase current supplying circuit, driving apparatus, compressor and air conditioner
09/23/2010WO2010107801A2 Induction motor torque control in a pumping system
09/23/2010US20100240899 when the plasma nicotinic acid or nicotinuric acid curves are deconvoluted using the Wagner-Nelson method; side effect reduction
09/23/2010CA2754665A1 Induction motor torque control in a pumping system
09/22/2010CN201590802U Intelligent power saving device
09/22/2010CN201590801U Novel single-motor PWM driving device
09/22/2010CN201590800U Modulated delay time control system for motor
09/22/2010CN201590793U Drive device of belt type conveyor
09/22/2010CN1988369B Phase control system and its control method for air conditioner
09/22/2010CN101841299A Drive motor feed-forward vector control method for electric automobile based on MAP graph
09/22/2010CN101841290A Motor control unit and motor control unit for vehicle steering apparatus
09/22/2010CN101841289A Motor control unit and motor control unit for vehicle steering apparatus
09/22/2010CN101841256A Method for tracking and controlling maximum power point of solar power generation
09/22/2010CN101840209A Intelligent electric actuating mechanism
09/22/2010CN101267186B Systems and methods for improved motor drive power factor control
09/21/2010US7800339 Drive control assembly for controlling a motor
09/21/2010US7800338 Method of decelerating alternating current motor and inverter apparatus
09/21/2010US7800334 Drive system
09/16/2010WO2010104059A1 3-phase motor control device, 3-phase motor system, and 3-phase motor control method and program
09/16/2010WO2010104008A1 Current source inverter device
09/16/2010WO2010103627A1 Controller of ac rotating machine
09/16/2010WO2010103565A1 Ac motor drive device
09/16/2010US20100235051 Motor control unit and motor control unit for vehicle steering apparatus
09/16/2010US20100235049 Motor control unit and motor control unit for vehicle steering apparatus
09/16/2010US20100231159 Power Conversion Device
09/16/2010US20100231150 Power converter and motor driving system
09/16/2010US20100231145 Method for controlling a polyphase voltage inverter
09/16/2010DE102010005008A1 Elektrowerkzeug Power Tool
09/16/2010DE102009001427A1 Motor vehicle's electrical power steering operating method, involves reducing heat produced in semiconductor switch by modifying pulse wave modulated pattern so that determined temperature difference does not exceed preset limit value
09/15/2010EP2228899A1 Motor control unit and motor control unit for vehicle steering apparatus
09/15/2010EP2228898A1 Motor control unit and motor control unit for vehicle steering apparatus
09/15/2010CN201584943U Frequency conversion control circuit capable of preventing overcurrent of direct-current brushless motor
09/15/2010CN201584942U Energy-saving variable-frequency controller
09/15/2010CN201584941U Submersible motor system
09/15/2010CN201584893U Adjustable-speed driver protection device
09/15/2010CN101834560A Arrangement for a motor controller
09/15/2010CN101834559A Phase-shifting output system of frequency converter of home appliance compressor and implementing method thereof
09/15/2010CN101834552A Permanent magnet synchronous traction system of trunk high-speed vehicle
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