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A 3-phase IM is supplied from 50 Hz system. It runs at speed
of 1440 rpm and slip equal to 4 %. Calculate rotor
frequency.
A 50 Hz B 0 Hz
C 4 Hz D 6 Hz

Answers were Sorted based on User's Feedback



A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Ca..

Answer / varaprasad

ANS: 2Hz


Rotorfrequency = s×frequency of applied voltage to stator = sf

SO,

ROTOR F = 0.04*50=2Hz

Is This Answer Correct ?    7 Yes 0 No

A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Ca..

Answer / ankit

A. 50Hz

Is This Answer Correct ?    1 Yes 1 No

A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Ca..

Answer / maaz

Ankit, how it's 50hz please post explaination.

Is This Answer Correct ?    0 Yes 0 No

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