A 200-V, 100 A armature full-load line current, 1800 RPM, shunt DC motor is considered in this problem. Its characteristics are given below: RA = 0.20 S2 RF = 150 2 This motor has compensating windings and interpoles. The magnetization curve for this motor at 1800 RPM is shown in a tabular form below: NF 2000 turns 2.4 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 If, A EA-V 6.0 25 50 110 135 160 205 235 255 275 285 288 290 291 For Radj between 5052 and 450 92, find the range of speed of this motor, if the armature current is I = 66 Amperes. and Answers: Write the lower range in first box and the upper range in the second box. The range of speed is between : RPM

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A 200-V, 100 A armature full-load line current, 1800 RPM, shunt DC motor is considered
in this problem. Its characteristics are given below:
RA = 0.20 S2
RF 150 2
This motor has compensating windings and interpoles.
The magnetization curve for this motor at 1800 RPM is shown in a tabular form below:
If, A
EA,V 6.0 25 50 110 135 160 205 235 255 275 285 288 290 291
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
NF 2000 turns
For Radj between 502 and 450 92, find the range of speed of this motor,
if the armature current is I = 66 Amperes.
Answers: Write the lower range in first box and the upper range in the second box.
The range of speed is between :
and
RPM
Transcribed Image Text:A 200-V, 100 A armature full-load line current, 1800 RPM, shunt DC motor is considered in this problem. Its characteristics are given below: RA = 0.20 S2 RF 150 2 This motor has compensating windings and interpoles. The magnetization curve for this motor at 1800 RPM is shown in a tabular form below: If, A EA,V 6.0 25 50 110 135 160 205 235 255 275 285 288 290 291 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 NF 2000 turns For Radj between 502 and 450 92, find the range of speed of this motor, if the armature current is I = 66 Amperes. Answers: Write the lower range in first box and the upper range in the second box. The range of speed is between : and RPM
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