1- The power input to the rotor of a 400V, 50 Hz, 6-pole, 3 phase induction motor is 75 KW. The rotor electromotive force is observed to make 100 complete alteration per minute. Calculate: i) ii) iii) iv) Slip Rotor speed Rotor copper losses per phase Developed power

1- The power input to the rotor of a 400V, 50 Hz, 6-pole, 3 phase induction motor is 75 KW. The rotor electromotive force is observed to make 100 complete alteration per minute. Calculate: i) ii) iii) iv) Slip Rotor speed Rotor copper losses per phase Developed power

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter35: Harmonics 916

Section: Chapter Questions

Problem 3RQ: Would a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction...

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Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

1- The power input to the rotor of a 400V, 50 Hz, 6-pole, 3 phase induction motor is 75 KW.
The rotor electromotive force is observed to make 100 complete alteration per minute.
Calculate:
i)
ii)
iii)
iv)
Slip
Rotor speed
Rotor copper losses per phase
Developed power

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