Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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53&cmid%3D11610
es
This course
A 240-V, 100 A armature full-load line current, 1500 RPM, cumulatively-compounded DC
motor is considered in this problem. Its characteristics are given below:
RA +Rs = 0.20 2
RF= 140 2
Radj = 160 2
NF =2000 turns
NSE= 16 turns
!!
This motor has compensating windings and interpoles.
The magnetization curve for this motor at 1500 RPM is shown in a tabular form below
0.1 0.2
If A
EA.V 6.0 25
0.4
0.5
0.6
0.8
1.0
1.2
1.6
1.8
2.0
2.2
2.4
50
110
135 160 205 235 255 275
285 288
290 291
What is the full-load speed of this motor?
Select one:
a. Full-load speed n = 1875 RPM
b. Full-load speed n = 1200 RPM
C. Full-load speed n = 161O RPM
d. None
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Transcribed Image Text:53&cmid%3D11610 es This course A 240-V, 100 A armature full-load line current, 1500 RPM, cumulatively-compounded DC motor is considered in this problem. Its characteristics are given below: RA +Rs = 0.20 2 RF= 140 2 Radj = 160 2 NF =2000 turns NSE= 16 turns !! This motor has compensating windings and interpoles. The magnetization curve for this motor at 1500 RPM is shown in a tabular form below 0.1 0.2 If A EA.V 6.0 25 0.4 0.5 0.6 0.8 1.0 1.2 1.6 1.8 2.0 2.2 2.4 50 110 135 160 205 235 255 275 285 288 290 291 What is the full-load speed of this motor? Select one: a. Full-load speed n = 1875 RPM b. Full-load speed n = 1200 RPM C. Full-load speed n = 161O RPM d. None
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