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 25 - Arrangements or methods for the control of ac-motors characterised by the kind of ac-motor or by structural details
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)
11/2012
11/07/2012CN101910629B Gas compressor driven by a linear motor and having a detector of impact between a cylinder and a piston, method of detection
11/06/2012US8305026 2 speed 2/4-pole PSC/PSC motor with independent main windings and shared auxiliary winding
11/01/2012WO2012146157A1 Speed-adjustable synchronous generator unit
10/2012
10/31/2012EP2518892A1 A control system for an electric motor of a cooling fan
10/31/2012EP2517351A1 Disconnection from mains using switches for power tools
10/31/2012EP2517350A2 Method for limiting the current output of an electric generator at a high rotational speed
10/31/2012EP2517349A2 Braking device for a universal motor
10/31/2012DE10106404B4 Drehzahlregelungsvorrichtung für Synchronreluktanzmotor Speed ​​control device for synchronous reluctance
10/31/2012CN202513876U AC-AC frequency conversion speed regulating system suitable for large power mine hoist
10/31/2012CN202513872U Device for adapting motor to automatically run at optimum efficiency in on-line type
10/31/2012CN202513854U Mine coal electric drill electric controller based on transistor
10/31/2012CN102761308A AC-DC multi-type single-phase motor of molecular integrated circuit
10/31/2012CN102098001B Controllable dual-power parallel asymmetric inverter for single phase induction motor
10/25/2012US20120268053 Alternating current machine with increased torque above and below rated speed for hybrid/electric propulsion systems
10/25/2012DE112010004128T5 Einphasiger Wechselstrom-Induktionsmotor, Gerät zum Betrieb eines einphasigen Wechselstrom-Induktionsmotors und Kompressor mit einem solchen Motor oder Gerät Single-phase AC induction motor, the device for operating a single-phase AC induction motor and a compressor with such a motor or device
10/24/2012CN202503472U Motor control circuit
10/24/2012CN102751945A Large-power alternating current-alternating current variable frequency speed regulating system suitable for large-power mine hoist
10/24/2012CN102751940A Rotor controller
10/24/2012CN102751939A High precision control method for motor
10/24/2012CN102751938A Alternating current speed regulating system suitable for mine ventilator
10/23/2012US8294399 Motor controller and electric tool having the same
10/17/2012EP2510611A2 Pole-slip protection system and method for synchronous machines
10/17/2012CN202495910U Rotor variable frequency redundancy speed control device
10/17/2012CN202495908U Servo system for voice coil motor
10/17/2012CN102742150A Method and control unit for determining the strength of a magnetization current for an asynchronous motor
10/17/2012CN102742146A Braking device for a universal motor
10/17/2012CN102742145A An AC single phase induction motor, a device for operating a single phase induction motor, and a compressor with such a motor or device
10/17/2012CN102741019A Motorized tool
10/17/2012CN102739151A Online adjustment method for PI (proportion integrate) parameter of asynchronous motor
10/11/2012WO2012135965A2 Flow control actuator
10/11/2012WO2011045698A3 Method and system for measuring a characteristic of an electric motor
10/11/2012US20120256579 Apparatus And Method For Generating Electromagnetic Torque In An Electric Machine
10/10/2012EP2509212A2 Drive device for single-phase series commutator motor
10/10/2012CN202488400U Speed regulation control circuit and device for alternating current motor
10/10/2012CN1551484B Rotor position determination in a switched reluctance machine
10/10/2012CN102723909A Active bleeder circuit of motor controller for electric car and control method thereof
10/09/2012CA2628529C Method and apparatus for quiet fan speed control
10/09/2012CA2575725C System and method of restarting a switched reluctance motor after a rapid cycling of power
10/04/2012WO2012130871A1 Blade pitch system with a dual winding actuator
10/04/2012WO2012129965A1 Electric excitation permanent magnet switch, electric excitation permanent magnet switch reluctance motor and electric excitation method
10/04/2012WO2011124306A3 Method for setting an optimal operating point for a synchronous machine, method for controlling a synchronous machine, and synchronous machine
10/04/2012WO2011005417A3 Dynamic control of an electric drive
10/04/2012US20120249035 Transverse Flux Machine and Vehicle
10/04/2012US20120249023 Disconnection from Mains using Switches for Power Tools
10/04/2012US20120249022 Efficient vehicle power systems
10/03/2012EP2505833A1 Blade Pitch System with a dual winding drive
10/03/2012CN202475362U Non-interfering control device for impact motor
10/03/2012CN202475361U Intelligent motor economizer
10/03/2012CN202475360U Adaptive controller for three-phase asynchronous motor
10/03/2012CN102714482A Disconnection from mains using switches for power tools
10/03/2012CN102714452A Pitch drive device for a wind power or hydroelectric power station
10/03/2012CN102710215A Control circuit of oil pump motor for mobile garbage compression transfer station
10/03/2012CN102710214A Nonlinear interference control method and control system for permanent magnet linear synchronous motor
10/03/2012CN102710213A Intelligent power-saving starter for motor
10/03/2012CN102710212A Improved iterative learning control method and control system for permanent magnet linear synchronous motor
09/2012
09/27/2012WO2012127687A1 Linear motor drive device
09/26/2012EP2502334A2 Pitch drive device for a wind power or hydroelectric power station
09/26/2012CN202455278U Two-phase variable-frequency power supply
09/20/2012WO2012123847A2 Synchronous machine with switching element in the excitation circuit
09/20/2012WO2012016062A3 Multi-leveled voltage drive for electric machine phase shifted winding sets
09/20/2012DE10062940B4 Verfahren und Steuersystem zur elektronischen Drehzahlsteuerung eines Asynchronmotors Method and control system for electronic speed control of an induction motor
09/19/2012CN202444462U Single-phrase asynchronous motor speed control based on M051 chips
09/19/2012CN202444461U Remote controller of three-phase asynchronous motor
09/19/2012CN102684598A Grounding circuit of high-power system with frequency conversion device
09/19/2012CN102684597A High-power alternating current (AC) asynchronous motor controller for direct driving type bus
09/19/2012CN102684596A Novel alternating current asynchronous motor controller for pure electric car
09/13/2012WO2012121902A1 Single phase motor energy economizer for regulating the use of electricity
09/13/2012WO2012119795A2 Control unit
09/13/2012WO2012119670A1 Electric drive
09/13/2012US20120229066 Variable field magnet rotating electrical machine
09/13/2012DE112010003456T5 Verteilte-anordnung-linearmotor und steuerungsverfahren eines verteilte-anordnung-linearmotors Distributed Formation-linear motor and control method of a distributed-arrangement-linear motors
09/12/2012CN202435338U Intelligent controller of slip motor
09/12/2012CN102668360A Method and device for determining a rotor position of a synchronous machine
09/12/2012CN102664585A Precise control device for acceleration/deceleration of motor
09/11/2012US8264182 Motor power factor correction apparatus and method
09/06/2012DE112010004132T5 Motor und Relais für einen Motor Motor and relay for motor
09/06/2012DE102011013885A1 Elektrischer Antrieb Electric drive
09/06/2012DE102011013884A1 Steuereinheit Control unit
09/05/2012CN202424611U Electric vehicle controller for switching of double-winding motor
09/05/2012CN202424610U Control system for motions of downhole linear motor
09/05/2012CN202424596U Motor controller
09/05/2012CN102656795A Motor control system for a hoist drive
09/05/2012CN102118130B Self-lifting high-side driver control for driving motor bridging circuit without static DC current
09/05/2012CN102035459B Intelligent motor controller
08/2012
08/30/2012WO2012114770A1 Movement control device, movement control method, and movement control circuit
08/29/2012EP2493067A1 Method and apparatus for estimating rotor angle of synchronous reluctance motor
08/29/2012CN202406084U Cooling fan motor control system
08/28/2012CA2493586C Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level ac drive inverter bridge
08/23/2012WO2011061187A3 Method for compensating for disturbance torques in electric work machines
08/22/2012EP2412086B1 Motor for linear and rotary movement
08/22/2012CN202395721U Double-base-speed split type electric spindle alternating current servo motor
08/22/2012CN202395720U Motor control device for hoist
08/22/2012CN202395719U Control cabinet for two-value capacitance submersible motor for well
08/22/2012CN202395718U Single channel speed detection driver for asynchronous machine
08/22/2012CN102648580A Circuit assembly for a motor vehicle
08/22/2012CN102647146A Digital controller of single-phase alternating current motor
08/22/2012CN102647144A Method and apparatus for estimating rotor angle of synchronous reluctance motor
08/22/2012CN101662257B Simple and optimal current direct control method of multiphase permanent magnet fault-tolerant electric machine
08/16/2012WO2012107665A2 Method and device for controlling a reluctance electric machine
08/16/2012WO2011119042A3 Variable electrical generator
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