why a three phase induction motor cannot run at synchronous
speed ?
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Answer Posted / noushad s
the source for the torque in a three phase induction motor
is the slip.and slip energy is caused due to the
difference in speed of the rotation of stator flux wave and
the rotor.where the former rotates in synchronous speed.as
a result emf will be induced in the rotor and which as per
lenzes law will try to oppose the cause of the emf here
which is relative speed .the rotor now tries to catch the
stator flux wave.if it runs in synchronous speed means
there is no relatyive speed and no slip energy and no
torque and hence the motor will stop.
| Is This Answer Correct ? | 152 Yes | 15 No |
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