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A four pole 100 HP 50 Hz induction motor with an efficiency of 94.2% has equivalent resistance and equivalent reactance per phase of 0.29 2 and 0.69 Q. The blocked rotor voltage per phase is 185V. If the rotor is turning at 1425 rpm, determine synchronous speed, slip, rotor impedance, rotor current, total three phase apparent power crossing the air gap, its active and reactive components, rotor power factor, shaft speed, mechanical power developed and developed torque.

A four pole 100 HP 50 Hz induction motor with an efficiency of 94.2% has equivalent resistance and equivalent reactance per phase of 0.29 2 and 0.69 Q. The blocked rotor voltage per phase is 185V. If the rotor is turning at 1425 rpm, determine synchronous speed, slip, rotor impedance, rotor current, total three phase apparent power crossing the air gap, its active and reactive components, rotor power factor, shaft speed, mechanical power developed and developed torque.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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2) A four pole 100 HP 50 Hz induction motor with an efficiency of 94.2% has equivalent resistance and equivalent reactance per phase of 0.29 2 and 0.69 2. The blocked rotor voltage per phase is 185V. If the rotor is turning at 1425 rpm, determine synchronous speed, slip, rotor impedance, rotor current, total three phase apparent power crossing the air gap, its active and reactive components, rotor power factor, shaft speed, mechanical power developed and developed torque.
Transcribed Image Text:2) A four pole 100 HP 50 Hz induction motor with an efficiency of 94.2% has equivalent resistance and equivalent reactance per phase of 0.29 2 and 0.69 2. The blocked rotor voltage per phase is 185V. If the rotor is turning at 1425 rpm, determine synchronous speed, slip, rotor impedance, rotor current, total three phase apparent power crossing the air gap, its active and reactive components, rotor power factor, shaft speed, mechanical power developed and developed torque.
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