Problem 3A 460-V 60-Hz two-pole Y-connected induction motor is rated at 75 kW. The equivalent circuitparameters are:R, = 0.075 NR, = 0.065 NX == 0. 17 NX, = 0. 170X = 7.20%3D2M1.0 kWPmisc= 150 WP = 1.1 kWf& wcoreThe slip of the motor is 0.04.a. Calculate the stator copper loss.Page 1 of 2b. Calculate the rotor copper loss.c. Determine the efficiency of this motor

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A 460-V 60-Hz two-pole Y-connected induction motor is rated at 75 kw. The equivalent circuit parameters are: R, = 0.075 N R, = 0.065 2 X, = 0. 17N X, = 0. 17N X, = 7.20 M. Praw = 150 W P = 1.1 kW 1.0 kW P misc %3! core The slip of the motor is 0.04. a. Calculate the stator copper loss.

A 460-V 60-Hz two-pole Y-connected induction motor is rated at 75 kw. The equivalent circuit parameters are: R, = 0.075 N R, = 0.065 2 X, = 0. 17N X, = 0. 17N X, = 7.20 M. Praw = 150 W P = 1.1 kW 1.0 kW P misc %3! core The slip of the motor is 0.04. a. Calculate the stator copper loss.

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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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

Problem 3
A 460-V 60-Hz two-pole Y-connected induction motor is rated at 75 kW. The equivalent circuit
parameters are:
R, = 0.075 N
R, = 0.065 N
X =
= 0. 17 N
X, = 0. 170
X = 7.20
%3D
2
M
1.0 kW
P
misc
= 150 W
P = 1.1 kW
f& w
core
The slip of the motor is 0.04.
a. Calculate the stator copper loss.
Page 1 of 2
b. Calculate the rotor copper loss.
c. Determine the efficiency of this motor

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