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)
06/2010
06/08/2010US7733041 Method and device for driving rotating-body, process cartridge, image forming apparatus, and computer program product
06/03/2010WO2010061618A1 Energy converter
06/03/2010WO2010042561A3 Vacuum assembly with inlet through removable tank
06/03/2010WO2009054654A3 Reciprocating compressor
06/03/2010WO2009054640A3 Reciprocating compressor
06/02/2010EP2192686A2 Method and device for repeated determination of dynamic volumes of an n-phase synchronous motor using analogue EMK measurement
06/02/2010DE102009044528A1 Reluktanzmotor Reluctance motor
06/02/2010CN201499131U Rotor frequency changing speed regulating device based on liquid resistance speed regulation
06/02/2010CN201499130U Phase sequence automatic controller for three-phase motors
06/02/2010CN101320957B Control device of primary winding segmenting structure permanent magnet synchronous linear electric motor
05/2010
05/27/2010WO2009045680A3 Hall-effect based linear motor controller
05/26/2010CN201490965U High-frequency chopped mode series electrode speed regulating device
05/26/2010CN1551466B Motor driving apparatus
05/26/2010CN1463486B Linear compressor drive device
05/26/2010CN101714848A Multiphase induction motor electronic pole-changing transmission device
05/25/2010US7721686 Method and system for controlling a free-piston energy converter
05/20/2010WO2010055322A2 Static synchronous generators
05/20/2010WO2010054940A2 Method for the operation of synchronous motors, and associated device
05/20/2010US20100123427 PSC Motor with 4/6 Pole Common Windings
05/19/2010EP2186189A2 Electrical machine
05/19/2010EP2186182A1 Method, controller, and power converter for controlling a single-switch based switched reluctance machine
05/19/2010CN101711452A System for controlling the steady-state rotation of a synchronous electric motor
05/12/2010EP2183843A2 Multistage variable reluctance motor/generator
05/12/2010CN201467068U Intelligent control device of AC linear induction motor
05/12/2010CN201467061U Motor driver with VAR compensation
05/12/2010CN201467060U AC motor speed controller
05/12/2010CN201466938U AC adjustable speed motor system
05/12/2010CN1862946B Method for controlling advance angle of double salient-pole electric machine and circuit thereof
05/12/2010CN1808860B Technical scheme for manufacturing automatic speed regulating differential motor
05/12/2010CN1574568B Linear motor and linear compressor equipped with the same
05/12/2010CN1505864B Electromagnetic actuator and force control system thereof
05/12/2010CN101707471A Stepless speed regulation circuit of single-phase alternating-current motor
05/11/2010US7714529 Permanent magnet synchronous motor and controller therefor
05/05/2010EP2182621A1 Method and apparatus for controlling a linear motion system
05/05/2010EP1787385B1 Method for controlling a wound rotor synchronous motor
05/05/2010CN201450483U Mine valve electric device control box with phase-sequence automatic error correction function
05/05/2010CN1961470B Moving magnet type linear slider
04/2010
04/29/2010WO2010020389A3 Method and device for generating electric energy from mechanical excitation oscillation
04/28/2010EP2179501A1 Device for supplying a home automation actuator and operation method of said device
04/28/2010CN201444629U Three-phase asynchronous motor energy-saving adjusting device
04/27/2010US7705479 Stirling engine instability detection and prevention
04/22/2010US20100097023 High frequency leakage current return wire-contained motor drive cable, low inductance return wire-contained unshielded cable, and motor drive control system the cables
04/22/2010US20100097016 Generator assembly
04/22/2010DE102008042953A1 Verfahren zum Betreiben einer elektrischen Dreh-oder Wanderfeldmaschine A method of operating an electric rotary or traveling-wave machine
04/22/2010DE102005063069B4 Luftreinigungsgerät mit luftdurchsatzabhängiger Hochspannungserzeugung Air cleaner with air flow rate is dependent high-voltage generation
04/21/2010CN1846061B Linear motor controller improvements
04/21/2010CN1593963B Failsafe operation system and method of active vehicle suspension
04/21/2010CN1484885B Pole-change type motor
04/20/2010US7701164 Control of electrical machines
04/20/2010US7701106 Electric submersible pumps
04/15/2010WO2010042561A2 Vacuum assembly with inlet through removable tank
04/15/2010WO2010042188A1 System and method of controlling current draw of a switched reluctance motor for a vacuum cleaner
04/15/2010US20100090640 Motor controller, motor control system, and washing machine
04/15/2010DE10006607B4 Ansteuervorrichtung für einen geschalteten Reluktanzmotor und Verfahren dafür Control device for a switched reluctance motor and method therefor
04/14/2010CN101694984A Asynchronous motor energy saver
04/14/2010CN101267185B Serial excitation electromotor control device and its rotation speed control method
04/13/2010US7696705 Method for measuring the rotational speed of an EC motor
04/09/2010CA2681106A1 Motor speed controller
04/08/2010CA2775832A1 Circuit and method for coupling electrical energy to a resonated inductive load
04/07/2010EP2171833A2 Supply device for a motor vehicle alternator, and alternator employing such a device
04/07/2010EP2171274A1 Stroke-regulated linear compressor
04/07/2010EP1915231B1 Method for the technique of cold microforging any freely formed 3-d surfaces
04/07/2010CA2681773A1 Methods and apparatus for controlling multiple a.c. induction machines from a single inverter
04/01/2010WO2010034821A2 Method and apparatus for dynamic load sharing
04/01/2010US20100079098 Generic motor control system
04/01/2010US20100079097 Generic motor control system
04/01/2010DE10203943B4 Vorrichtung zum Regeln der Drehzahl eines Motors Device for regulating the speed of a motor
04/01/2010DE10111795B4 Vektorsteuerungsverfahren für einen Reluktanz-Synchronmotor Vector control method for a reluctance synchronous motor
03/2010
03/31/2010EP2169822A1 Method and apparatus for dynamic load sharing
03/31/2010EP2169821A1 Method and apparatus for dynamic load sharing
03/31/2010EP2168235A2 A synchronous electrical machine
03/31/2010EP2168234A2 System for controlling the steady-state rotation of a synchronous electric motor
03/31/2010CN201435706Y Three-motor-driven spiral tower system of spiral freezing machine
03/31/2010CN101689827A Conduction angle control of a switched reluctance generator
03/31/2010CN101689819A Method of starting a synchronous motor with a brushless DC exciter
03/24/2010EP1782530B1 Method and apparatus for instability detection and correction in a domestic combined heat and power unit
03/24/2010CN201430570Y Electrical control device of speed-adjustable tire rotating machine
03/24/2010CN101677238A Low power solenoid driver circuit
03/18/2010US20100066400 Method and apparatus for determining the operating condition of generator rotating diodes
03/17/2010EP2164168A2 Variable voltage supply system
03/17/2010CN101674044A Voltage protection device
03/10/2010CN101667803A Rotating speed adjustment method in asynchronous motor direct torque control system
03/09/2010US7675254 Electric drive for a vehicle
03/04/2010WO2010024234A1 Dispersed linear motors and driving system for dispersed linear motors
03/04/2010WO2010024190A1 Linear synchronous motor control method and control device
03/03/2010CN201418060Y Multi-speed single-phase asynchronous motor controller
03/03/2010CN201417954Y Variable-load type phase advancer
03/03/2010CN101662257A Simple and optimal current direct control method of multiphase permanent magnet fault-tolerant electric machine
02/2010
02/25/2010WO2010021168A1 Linear motor
02/25/2010WO2010020389A2 Method and device for generating electric energy from mechanical excitation oscillation
02/25/2010US20100045221 Electrical machine arrangement
02/24/2010EP2156548A2 Reciprocating actuator with closed loop servocontrol
02/24/2010CN100592619C Transistor matrix switched reluctance variable speed motor drive
02/23/2010US7667428 Fan system and power monitoring apparatus thereof
02/17/2010CN201409111Y Controller of electromagnetic speed adjustable motor
02/16/2010US7663335 Single-phase induction motor
02/11/2010US20100033142 Converting Mechanical Vibrational Energy Into Electrical Energy
02/11/2010DE102008041080A1 Verfahren und Vorrichtung zum Ermitteln eines Betriebszustandes einer elektrischen Maschine Method and apparatus for determining an operating state of an electrical machine
02/10/2010CN201403069Y Torque motor controller
02/04/2010WO2010013226A2 Polyphase motor with variable number of poles
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