1. In the case of an 8-pole induction motor, the supply frequency was 50-Hz and the shaft speed was 735 r.p.m. What were the magnitudes of the following: (i) synchronous speed (ii) (iii) per unit slip (iv) * speed of slip percentage slip

1. In the case of an 8-pole induction motor, the supply frequency was 50-Hz and the shaft speed was 735 r.p.m. What were the magnitudes of the following: (i) synchronous speed (ii) (iii) per unit slip (iv) * speed of slip percentage slip

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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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.
In the case of an 8-pole induction motor, the supply frequency was 50-Hz and the shaft speed was
735 r.p.m. What were the magnitudes of the following:
(1) synchronous speed
(ii)
(iii) per unit slip
(iv)
speed of slip
percentage slip

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