1. The following constants are for a(1/4) - hp 60-Hz 115-Vfour-pole capacitor-start motor:r, = 2.150X, = 3.010XM = 70.50Core loss = 26.0 W, windage and friction loss = 14.0 W.Calculate for a slip of 0.05 the(a) current,(b) power factor,(c) output,(d) torque, and(e) efficiency.r, = 4.450X2 = 2.3500.Sjx2Ry0.S/M30.SE240.SiXMEzR0.5/x2(a)(b)Equivalent circuit of single-phase induction(main winding only). (a) Running, detailedcircuit.(b) Simplified circuit.

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Answered: 1. The following constants are for…

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Electrical Engineering

1. The following constants are for a(1/4) - hp 60-Hz 115-

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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Star Delta Conversion

Find the input resistance between points A and B of the following resistive network:

Question

1. The following constants are for a(1/4) - hp 60-Hz 115-V
four-pole capacitor-start motor:
r, = 2.150
X, = 3.010
XM = 70.50
Core loss = 26.0 W, windage and friction loss = 14.0 W.
Calculate for a slip of 0.05 the
(a) current,
(b) power factor,
(c) output,
(d) torque, and
(e) efficiency.
r, = 4.450
X2 = 2.350
0.Sjx2
Ry
0.S/M
30.S
E
24
0.SiXM
Ez
R
0.5/x2
(a)
(b)
Equivalent circuit of single-phase induction
(main winding only). (a) Running, detailed
circuit.
(b) Simplified circuit.

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