A two pole induction motor is to be used to drive a very heavy mixer in the cement industry. Three phase rated voltage and frequency in Pakistan is known to be 440 V and 50 Hz respectively. This 100.56 hp machine is essentially a three-phase machine with Y configuration. You have to analyze the behavior of the machine for which one has to know the parameters of the equivalent circuit, they are mentioned below: XM = 7.2 ohms Pmisc = 250 W PF&W = 0.5 KW X1 = 0.17 ohms X2 = 0.17 ohms R2 = 0.056 ohms Pcore = 11 kW R1 = 0.075 ohms %3D If the slip of motor is 4 %, by analyzing the equivalent circuit, determine the following values. a) Stator copper losses b) Air gap power c) Amount of power converted from electrical to mechanical

A two pole induction motor is to be used to drive a very heavy mixer in the cement industry. Three phase rated voltage and frequency in Pakistan is known to be 440 V and 50 Hz respectively. This 100.56 hp machine is essentially a three-phase machine with Y configuration. You have to analyze the behavior of the machine for which one has to know the parameters of the equivalent circuit, they are mentioned below: XM = 7.2 ohms Pmisc = 250 W PF&W = 0.5 KW X1 = 0.17 ohms X2 = 0.17 ohms R2 = 0.056 ohms Pcore = 11 kW R1 = 0.075 ohms %3D If the slip of motor is 4 %, by analyzing the equivalent circuit, determine the following values. a) Stator copper losses b) Air gap power c) Amount of power converted from electrical to mechanical

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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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

A two pole induction motor is to be used to drive a very heavy mixer in the
cement industry. Three phase rated voltage and frequency in Pakistan is known
to be 440 V and 50 Hz respectively. This 100.56 hp machine is essentially a
three-phase machine with Y configuration. You have to analyze the behavior of
the machine for which one has to know the parameters of the equivalent circuit,
they are mentioned below:
XM = 7.2 ohms
Pmisc = 250 W
PF&W = 0.5 KW
X1 = 0.17 ohms
X2 = 0.17 ohms
R2 = 0.056 ohms
Pcore = 11 kW
R1 = 0.075 ohms
%3D
If the slip of motor is 4 %, by analyzing the equivalent circuit, determine the
following values.
a)
Stator copper losses
b)
Air gap power
c)
Amount of power converted from electrical to mechanical

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