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

3 Answers
5275 Views
I also Faced
E-Mail Answers

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

Post New Answer

More Electrical Engineering Interview Questions

why don't we use the generator as a motor? and what will happen?

0 Answers

How to calculate the current carrying capacity of electrical cables

16 Answers Barqaab, Grasim, Havells, HM Cables, Janapriya, Polycab,

difference between Ac and Dc mcb ????

0 Answers

1]how the voltages and frequency are achieved on ships. 2]how does the line and phase voltages are related on ships.

3 Answers

if we know Fault level say 25 KA , How to decide busbar size for Distribution network of 1000 Amp Breaker ? Sample Calculation or Farmula Available or not ?

4 Answers TCS,

How to calculate the time setting for star connection in star delta starter? For example 10KW 3PH Induction motor.

0 Answers Taj Group, Tata Steel Limited,

Why DC exitation to AC Generator? Why not AC?

2 Answers Equate,

Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

0 Answers

what is the current carrying capacity of 725 va generator

2 Answers

Can we loop AC neutral wire with DC neutral wire?

5 Answers ABB,

how induction motor starts?

4 Answers JSL,

hello if any one have papers vof hpcl or sail, plz send me

0 Answers

For more Electrical Engineering Interview Questions Click Here