A two phase symmetrical induction motor has the following information: 1 Kw, 4 poles, 220V, 50Hz, Po=50 watt, Nr=1425 rpm, r₁+jx₁=3+j3 ohm, r2+jx2=2+j2 ohm, Xm-60 ohm, and this motor supplied from balanced 2 phase system. Calculate: 1-Input power factor. 2- Rotor copper losses.

A two phase symmetrical induction motor has the following information: 1 Kw, 4 poles, 220V, 50Hz, Po=50 watt, Nr=1425 rpm, r₁+jx₁=3+j3 ohm, r2+jx2=2+j2 ohm, Xm-60 ohm, and this motor supplied from balanced 2 phase system. Calculate: 1-Input power factor. 2- Rotor copper losses.

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

A two phase symmetrical induction motor has the following information:
1 Kw, 4 poles, 220V, 50Hz, Po=50 watt, Nr=1425 rpm, r₁+jx₁=3+j3 ohm,
r2+jx2=2+j2 ohm, Xm-60 ohm, and this motor supplied from balanced 2 phase
system. Calculate:
1-Input power factor.
2- Rotor copper losses.

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