Q 1) A 3 phase induction motor is wound for 6 poles and is supplied from 50-Hz system. Calculate 1. the synchronous speed 2. the rotor speed, when slip is 2% and 3. the frequency of the rotor currents at standstill. Q 2) A d.c. shunt motor has the armature and field resistance is 0.010 and 50 Q. when the input power is 60 kw and supply voltage is 200 volt Calculate the total armature power developed.

Q 1) A 3 phase induction motor is wound for 6 poles and is supplied from 50-Hz system. Calculate 1. the synchronous speed 2. the rotor speed, when slip is 2% and 3. the frequency of the rotor currents at standstill. Q 2) A d.c. shunt motor has the armature and field resistance is 0.010 and 50 Q. when the input power is 60 kw and supply voltage is 200 volt Calculate the total armature power developed.

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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Similar questions

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