A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and s

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

Question Posted / parthjoshi

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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 %. Ca..

Answer / varaprasad

ANS: 2Hz

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

SO,

ROTOR F = 0.04*50=2Hz

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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 %. 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.

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