synchronous-motor drive

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• Synchronous motor — A synchronous electric motor is an AC motor distinguished by a rotor spinning with coils passing magnets at the same rate as the alternating current and resulting magnetic field which drives it. Another way of saying this is that it has zero slip …   Wikipedia

• synchronous motor — An alternating current motor that runs at a speed that is equal to or is a multiple of the frequency of the supply (e.g., the drive motor of electric powered vehicles) …   Dictionary of automotive terms

• Shaded-pole synchronous motor — Shaded pole synchronous motors are a class of AC motor.Like a shaded pole induction motor, they use field coils with additional copper shading coils (see the illustration) to produce a weakly rotating magnetic field. But unlike a shaded pole… …   Wikipedia

• electric motor — motor (def. 4). [1885 90] * * * Introduction       any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena.       Most electric motors develop their mechanical torque by the… …   Universalium

• Motor controller — A motor controller is a device or group of devices that serves to govern in some predetermined manner the performance of an electric motor.[1] A motor controller might include a manual or automatic means for starting and stopping the motor,… …   Wikipedia

• motor — [1] An electrically driven power unit (electric motor). This term is often incorrectly (but commonly) applied to an internal combustion engine. [2] Rotating machine that transforms fluid or electric energy into a mechanical motion. [3] An engine… …   Dictionary of automotive terms

• Motor-CAD — 2009. Developer(s) Motor Design Ltd Initial release November 1999 Stable release …   Wikipedia

• Motor soft starter — Examples of motor soft starters [1] A motor soft starter is a device used with AC electric motors to temporarily reduce the load and torque in the powertrain of the motor during startup. This reduces the mechanical stress on the motor and shaft,… …   Wikipedia

• Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …   Wikipedia

• AC motor — An AC motor is an electric motor that is driven by an alternating current. It consists of two basic parts, an outside stationary stator having coils supplied with AC current to produce a rotating magnetic field, and an inside rotor attached to… …   Wikipedia

• Stepper motor — A stepper motor (or step motor) is a brushless, synchronous electric motor that can divide a full rotation into a large number of steps. The motor s position can be controlled precisely, without any feedback mechanism (see open loop control).… …   Wikipedia