Induction motor(IM) taking care of slip and syncronous speed
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A 50 Hz induction motor operates in such a way that the slip is 1.45.
(a) is this motoring, generating or braking? Explain
(b) If the synchronous speed is 900 rpm, find the mechanical speed.
(c) Find the number of poles.
(d) Find the frequency of the rotor currents.
(e) Find the speed of rotation of the magnetic field in the air gap with respect to the
rotor.
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Solution Summary
The induction motor taking care of slip and synchronous speed is examined. The speed of rotation of the magnetic field in the air gap with respect to the rotor are found.
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(a) Since the slip is greater than one, the divice must be braking. This means that the
rotor is turning one way and the rotating magnetic fields in the opposite ...
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