Patents
Patents for H02P 25 - Arrangements or methods for the control of ac-motors characterised by the kind of ac-motor or by structural details (7,591)
06/2014
06/18/2014CN103872967A Frequency converter and escalator control device with frequency converter
06/18/2014CN103872966A Method of controlling speed change of multispeed motor or wound rotor motor by adopting computer
06/18/2014CN103872960A Vector controller based on software dead-time compensation
06/18/2014CN103872951A Permanent magnet synchronous motor torque control method based on sliding mode flux linkage observer
06/18/2014CN102638218B Motor driving control apparatus for controlling motor output according to power characteristics of AC power supply
06/18/2014CN102165528B Motor drive circuit
06/12/2014WO2014087640A1 Motor controller
06/12/2014WO2013185762A3 Method for controlling a synchronous reluctance electric motor
06/12/2014WO2013149921A3 Method and device for sensorless control of a separately excited synchronous machine
06/12/2014WO2013021205A3 Turbine generator
06/12/2014US20140161646 Electric drivetrain of a device, and gas compression equipment including such a drivetrain
06/12/2014US20140159619 Vibration device and information processing apparatus
06/12/2014CA2835297A1 Electric drivetrain of a device, and gas compression equipment including such a drivetrain
06/11/2014CN203645592U 一种搅拌器电机控制电路 One kind of agitator motor control circuit
06/11/2014CN203645587U 一种驱动大功率永磁同步直线电机的控制器 A drive power permanent magnet synchronous linear motor controller
06/11/2014CN103856139A Speed sensorless permanent magnet synchronous motor rotor magnetic pole initial position identification method
06/05/2014WO2014083833A1 Heater fan device and vehicle
06/05/2014WO2014083795A1 Motor drive device and motor drive system
06/05/2014US20140152200 Portable service controller for electro-mechanical actuators
06/04/2014EP2738102A2 Portable service controller for electro-mechanical actuators
06/04/2014CN203632589U 一种多功能电机节电异步伺服系统 A multifunctional energy-saving asynchronous servo motors
06/04/2014CN103840723A Non-neutral-point-capacitor split phase type power converter with neutral-point voltage active adjustment
06/04/2014CN102084587B Method and apparatus for control of electrical machines
05/2014
05/30/2014WO2014080361A2 A control system for an electric motor
05/29/2014US20140145664 Power Inverter Including SiC JFETs
05/28/2014CN103828204A 电控通用电机 Electronically controlled universal motor
05/28/2014CN103825523A 多相永磁同步电机相序检测及转子初始角定位系统和方法 Phase permanent magnet synchronous motor rotor phase sequence detection and initial angular positioning system and method
05/28/2014CN103825517A 大功率圆筒型直线开关磁阻电机控制系统 High-power cylindrical linear switched reluctance motor control system
05/28/2014CN102257723B 用于ac电动机的控制系统 A control system for the ac motor
05/27/2014US8736215 Motor drive device having function of varying DC link low-voltage alarm detection level
05/22/2014US20140139168 Electrical system
05/22/2014US20140137763 Regenerative energy system for ground transportation vehicles
05/21/2014CN203608130U 一种抽油机电机的电容式储能机构 Capacitive energy storage mechanism for a pumping motor
05/21/2014CN203608129U 用于空调电机风速控制的电路及其装置 Circuit and means for the air-conditioned motor speed control
05/21/2014CN203608120U 一种单相大功率鱼塘增氧驱动装置 A single-phase power pond aeration drives
05/21/2014CN103810024A 位置与速度同时控制的pmsm电机仿真方法 Pmsm motor simulation method while controlling the position and speed
05/15/2014WO2013108014A3 Reluctance motors
05/15/2014US20140132198 Control for Multi-Phase Induction Motor
05/15/2014US20140132196 Method and device for controlling an electric motor propulsion unit with decoupled controls
05/15/2014US20140132187 Metal elastic member, miniature machine, method of manufacturing miniature machine, swing control device and swing control method
05/15/2014DE102013222567A1 Elektrischer Aktuator für Kraftfahrzeug Electric actuator for automotive
05/15/2014DE102013213571A1 Motorsteuerungsgerät Engine control device
05/15/2014DE102012220482A1 Verfahren zur Steuerung eines Drehschraubers sowie Drehschrauber Method for controlling a rotary wrench and Screwdrivers
05/14/2014EP2730022A1 Electronic commutation method in direct current electric motors
05/14/2014EP2730021A2 Method for actuating a multi-phase machine
05/14/2014CN203596778U 单相电容启动与运行异步电机 Single-phase capacitor start and run asynchronous motors
05/14/2014CN103797704A 用于控制动力传动系的方法和装置 Powertrain control method and apparatus for
05/14/2014CN103795321A 单相电容运转异步电动机变频驱动方法 Single-phase asynchronous motors variable frequency drive method
05/08/2014WO2014070288A1 Switched reluctance initial rotor position estimation
05/08/2014US20140125269 Winding switching circuit and thermal protection for dual voltage hermetic induction motor of hermetic cooling compressor
05/07/2014CN203590114U 单相交流调压变速风机 Single-phase AC voltage regulator variable speed fan
05/07/2014CN203589979U 双速泳池水泵电机 Two-speed pool pump motor
05/07/2014CN103780194A 一种双馈电机的调速控制方法 Speed ​​control method for doubly-fed motors
05/07/2014CN102480263B 空调器、交流电机及其调速装置 Air conditioners, AC motor and speed control device
05/06/2014US8718881 Fuel efficient crane system
05/01/2014WO2014065036A1 Voice coil motor (vcm) drive device and portable terminal
05/01/2014US20140117905 Rotor Control
05/01/2014US20140117888 Mechanical component, mechanical system, and method for operating a mechanical component
05/01/2014US20140117882 H-bridge for Combined Solenoid and Piezo Injection Control
04/2014
04/30/2014CN103765741A Linear motor device and control method
04/30/2014CN103762928A Small single-phase motor load tracking energy-saving controller
04/30/2014CN103762927A Energy-saving controller for three-phase asynchronous motor
04/30/2014CN103762922A Alternating-current servo flux-weakening speed-regulating method
04/30/2014CN103762821A Electromagnetic brake linear motor system and control method thereof
04/30/2014CN102497158B Method for reducing leakage current of electrical equipment and electrical equipment
04/24/2014US20140111134 Mitigation of Harmonic Currents and Conservation of Power in Non-Linear Load Systems
04/24/2014US20140110508 Solenoid Actuator
04/23/2014EP2721729A1 Method and device for controlling a electric motor propulsion unit with decoupled controls
04/23/2014CN103746632A Low-voltage motor control system
04/22/2014US8704480 Method for the operation of synchronous motors, and associated device
04/22/2014US8704478 Motor drive circuit
04/22/2014CA2489653C Switched reluctance motor regulation
04/17/2014WO2014057533A1 Overload detector, servo system, and converter
04/17/2014WO2013188940A3 Electric drive method for linear motor
04/17/2014US20140103850 Redundant winding connections for multiphase electric machines
04/16/2014CN203554343U Switched reluctance motor system
04/16/2014CN203554340U Ethernet-based linear magnetic axis motor driver
04/16/2014CN103731071A Mine electric coal drill controller
04/16/2014CA2829722A1 Circuit for synchronously switching series connected electronic switches
04/15/2014US8698447 Energy saving system and method for devices with rotating or reciprocating masses
04/15/2014US8698446 Method to save energy for devices with rotating or reciprocating masses
04/10/2014WO2014054853A1 Two-phase two-column linear pulse motor propulsion system
04/10/2014WO2014054031A2 Wind power turbine for generating electric energy
04/10/2014WO2013167309A3 Selection unit for selecting the configuration of an electric motor, transport machine and associated method
04/10/2014WO2013123531A3 Synchronous electric machine
04/10/2014US20140097784 Rotor Control
04/10/2014US20140097783 Conveying system
04/10/2014CA2828312A1 Variable speed fan motor
04/09/2014CN203537294U Pulse-width voltage-regulating speed-regulating control system for three-phase asynchronous motor
04/09/2014CN103715967A Ring rolling machine high-efficiency power-saving controller
04/09/2014CN103715963A Speed and position signal anti-interference processing method based on absolute position encoder
04/03/2014WO2014050401A1 Lens driving device and method
04/03/2014WO2014048537A2 Method for operating an electric machine
04/03/2014US20140091622 Modular Power Conversion System
04/02/2014CN203522604U Redundant medium-voltage AC-DC-AC frequency conversion device of double-winding synchronous motor of mine hoist
04/02/2014CN203522602U Contactor circuit in delta-2Y variable-pole multi-speed motor
04/02/2014CN203522489U Swing motor combined drive device
04/02/2014CN103701398A Hall-effect based linear motor controller
04/02/2014CN103701288A Multi-winding motor
03/2014
03/27/2014US20140084833 Method and apparatus for improving output of a multi-winding motor
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