Answered: Complete the wiring diagrams as per…

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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Complete the wiring diagrams as per Worksheets 7-A and 7-B then solve for "A" through "K" for the DC motor on Worksheets 7-A and 7-B when it is running at capacity and its specifications are as follows:
Rated input = 125 volts, 16 amps
Armature Resistance = 0.3 ohms(Ω)
Shunt Field Resistance = 50 ohms (Ω)
Series Field Resistance 0.6 ohms (Ω)
Rheostat Resistance = 12.5 ohms (Ω)
A)power consumed by series field(P-series)
a)56.58W b)153.6W c)265.42W d)1523.W
B)power consumed by shunt field(P-shunt)
a)56.58W b)153.6W c)265.42W d)1523.56W
C)power consumed by armature resistance(P-arm)
a)56.58W b)153.6W c)265.42W d)1523.56W
D)percent efficiency of the machine( % eff) if rotational loses are 850 W
a)30% b)64% c)86% d)99%

Worksheet 7-A
DC Motors
Using only the parts needed, wire a DC motor in a long-shunt cumulative compound configuration with no
speed control.
Battery
Shunt Field
B1
B2
FL
F2
Rheostot
AL
A2
R1
R2
Ecenf
Arnoture Resistance
Ser ies Field
Lond
$1
$2
L2
page 130

Worksheet 7-B
DC Motors
Using only the parts needed, wire a DC motor in a long-shunt cumulative compound configuration with no
speed control.
Shunt
Field
Amature
Series
Field
Vindi ng
la 92
Laad
page 131

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