2013年4月12日星期五

How the single phase shaded pole motor work?


Shaded pole motor has two shaded pole ring (also called short-circuit ring), shaded pole ring can hinder the transfer of magnetic field lines in a magnetic field, The part no shaded pole ring is stronger than the part have shaded pole ring of the magnetic field strength, which form a rotating magnetic , the difference of magnetic field  force on it, this cases will have a rotational force acting on the rotor, which is to make motor start work.

As single phase shaded pole motor coil through single-phase AC power, we know that the spread of the single-phase AC power is a form of a sinusoidal AC curve.

Take 220v 50hz(china market) for example its direction can transform 50 times in one second.we know that when we pass into the shaded pole coil voltage, power coil will produce the direction of the magnetic field, the magnetic field lines and current direction is closely related to the direction of the right-hand rule to determine the magnetic field lines.
 
 
 

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