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Answer Posted / amjad ali soomro
The stator Like A primary and Rotor Acts as a secondary ,
When stator is powered by the primary the squirrel cage rotor .The substantial iron cores, with a very small air gap between stator core and rotor core, efficiently conveys the magnetic fields produced by the stator currents to the rotor conductors. A stator (primary) sine wave voltage will induce a sine wave voltage in the rotor (secondary), the same as any transformer. But the rotor will have no overall force acting on it to cause rotation. If its is 3-Phase than it will Automatically starts Revolving field developed by three phases
and if it is single phase than it will require external rotation...
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