The power input to the rotor of a 400-V, 50-Hz, 6-pole, 3-phase inductionmotor is 20 kW.Theslip is3%.Calculate :(i)(ii) rotor speed(iii) rotor copper losses(iv) rotor resistance per phase if rotor current is 60A.thefrequencyofrotorcurrents

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The power input to the rotor of a 400-V, 50-Hz, 6-pole, 3-phase induction motor is 20 kW. The slip is 3%. Calculate : the frequency of (i) (ii) (iii) rotor copper losses rotor currents rotor speed

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Question

The power input to the rotor of a 400-V, 50-Hz, 6-pole, 3-phase induction
motor is 20 kW.
The
slip is
3%.
Calculate :
(i)
(ii) rotor speed
(iii) rotor copper losses
(iv) rotor resistance per phase if rotor current is 60A.
the
frequency
of
rotor
currents

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