DC test, no load test and locked rotor test were conducted on a 440V, 3 phase, 60HZ, 10kW, star-connected squirrel cage induction motor. The tests results are listed in a table below: Table Q1 Locked rotor test Line voltage, Vur = 90V Line current, lLr = 50A Power, PLR = 4200W Sketch and determine the approximate equivalent circuit of this motor. No load test Line voltage, VNL = 440V Line current, IN = 12A DC test Measured resistance = 0.50 Power, PNL = 1200W

DC test, no load test and locked rotor test were conducted on a 440V, 3 phase, 60HZ, 10kW, star-connected squirrel cage induction motor. The tests results are listed in a table below: Table Q1 Locked rotor test Line voltage, Vur = 90V Line current, lLr = 50A Power, PLR = 4200W Sketch and determine the approximate equivalent circuit of this motor. No load test Line voltage, VNL = 440V Line current, IN = 12A DC test Measured resistance = 0.50 Power, PNL = 1200W

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

100%

DC test, no load test and locked rotor test were conducted on a 440V, 3 phase, 60HZ, 10kW,
star-connected squirrel cage induction motor. The tests results are listed in a table below:
Table Q1
Locked rotor test
Line voltage, Vur = 90V
Line current, lLr = 50A
Power, PLR = 4200W
Sketch and determine the approximate equivalent circuit of this motor.
No load test
Line voltage, VNL = 440V
Line current, INL = 12A
DC test
Measured resistance =
0.50
Power, PNL = 1200W

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