A 240-V, 100 A amature full-load line current, 1500 RPM Shunt DC motor is considered in this problem Itscharacteristics are given below: RA =0.20 2 RF= 150 Q Nr-2000 tums This motor has compensating windings and interpoles. The magnetizationcurve forthis motor at 1500 RPMIS shown in a tabular form below Ir.A EA,V 6.0 25 0.1 0.2 0.40.5 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 For Radi between 50 Q and 450 Q, find the range of speed of this motor if the armature current I,- 66 Amperes. Select one: O.a. Range of speed between 1334 RPM and 3092 RPM Ob. None pc Range of speed between 1418 RPM and 2830 RPM d. Range of speed between 1918 RPMand 2520 RPM

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A 240-V, 100 A armature full-load line current, 1500 RPM Shunt DC
motor is considered in this problem Itscharacteristics are given below:
RA=0.20 S2
RF 150 2
NE-2000 tums
This motor has compensating windings and interpoles.
The magnetization curve for this motor at 1500 RPMis shown in a tabular form below"
IF,A
EA,V 6.0 25
0.
0.1 0.2 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
For Radi between 50 Q and 450 Q, find the range of speed of this motor
if the armature current I,- 66 Amperes.
Select one:
a. Range of speed betwveen 1334 RPM and 3092 RPM
Ob. None
c Range of speed between 1418 RPM and 2830 RPM
Od. Range of speed between 1918 RPM and 2520 RPM
Transcribed Image Text:A 240-V, 100 A armature full-load line current, 1500 RPM Shunt DC motor is considered in this problem Itscharacteristics are given below: RA=0.20 S2 RF 150 2 NE-2000 tums This motor has compensating windings and interpoles. The magnetization curve for this motor at 1500 RPMis shown in a tabular form below" IF,A EA,V 6.0 25 0. 0.1 0.2 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 For Radi between 50 Q and 450 Q, find the range of speed of this motor if the armature current I,- 66 Amperes. Select one: a. Range of speed betwveen 1334 RPM and 3092 RPM Ob. None c Range of speed between 1418 RPM and 2830 RPM Od. Range of speed between 1918 RPM and 2520 RPM
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