Q-2:- A3o, 460 V, 100 hp, 60 Hz, four-pole induction motor delivers rated output power at aslip of 0.05. Determine the:(a) Synchronous speed and motor speed.(b) Speed of the rotating air gap field.(c) Frequency of the rotor circuit.(d) Slip rpm.(e) Speed of the rotor field relative to the (i) rotor structure. (ii) stator structure. (iii) statorrotating field. (f) Rotor induced voltage at the operating speed, if the stator-to-rotor turns ratio is1:0.5.12 Marks

Answered: Image /qna-images/answer/c2f1f06e-97d3-4a72-a3ea-92d54d6995dd.jpg

Q-2:- A30, 460 V, 100 hp, 60 Hz, four-pole induction motor delivers rated output power at a slip of 0.05. Determine the: (a) Synchronous speed and motor speed. (b) Speed of the rotating air gap field. (c) Frequency of the rotor circuit. (d) Slip rpm.

Q-2:- A30, 460 V, 100 hp, 60 Hz, four-pole induction motor delivers rated output power at a slip of 0.05. Determine the: (a) Synchronous speed and motor speed. (b) Speed of the rotating air gap field. (c) Frequency of the rotor circuit. (d) Slip rpm.

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

Q-2:- A3o, 460 V, 100 hp, 60 Hz, four-pole induction motor delivers rated output power at a
slip of 0.05. Determine the:
(a) Synchronous speed and motor speed.
(b) Speed of the rotating air gap field.
(c) Frequency of the rotor circuit.
(d) Slip rpm.
(e) Speed of the rotor field relative to the (i) rotor structure. (ii) stator structure. (iii) stator
rotating field. (f) Rotor induced voltage at the operating speed, if the stator-to-rotor turns ratio is
1:0.5.
12 Marks

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