Alternating Current Motor
An AC motor is an electric motor driven by an alternating current.
It commonly consists of two basic parts, an outside stationary stator having coils supplied with alternating current to produce a rotating magnetic field, and an inside rotor attached to the output shaft that is given a torque by the rotating field.
There are two main types of AC motors, depending on the type of rotor used. The first type is the induction motor, which runs slightly slower than the supply frequency. The magnetic field on the rotor of this motor is created by an induced current. The second type is the synchronous motor, which does not rely on induction and as a result, can rotate exactly at the supply frequency or a sub-multiple of the supply frequency. The magnetic field on the rotor is either generated by current delivered through slip rings or by a permanent magnet. Other types of motors include eddy current motors, and also AC/DC mechanically commutated machines in which speed is dependent on voltage and winding connection.
Other articles related to "alternating current motor, motors, alternating, current, alternating current, motor":
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... or whole of the field helices coil Regulates energy flow Adjustable level of current ... easier construction Reduce the cost Magnetic frame Armature Alternating current synchronous motor U.S ... Patent 0,381,968 - Electro magnetic motor - 1888 May 1 - Mode and plan of operating electric motors by progressive shifting Field Magnet Armature Electrical conversion Economical ...
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