A 200-V, 100 A armature full-load line current, 1500 RPM, shunt DC motor is considered in this problem. Its characteristics are given below: RA =0.20 S2 RE= 250 2 NF= 2000 turns This motor has compensating windings and interpoles. The magnetization curve for this motor at 1500 RPM is shown in a tabular form below: Ir.A 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 EA.V 6.0 25 50 110 135 160 205 235 255 275 285 288 290 291 For Radj between 150 2 and 2502, find the range of no-load speed of this motor. Select one: O a. Range of speed between 1222 RPM and 2360 RPM Ob. Range of speed between 2222 RPM and 2727 RPM C. None Od. Range of speed between 1818 RPM and 2220 RPM

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A 200-V, 100 A armature full-load line current, 1500 RPM, shunt DC motor is considered
in this problem. Its characteristics are given below:
RA =0.20 S2
RF= 250 2
NF=2000 turns
This motor has compensating windings and interpoles.
The magnetization curve for this motor at 1500 RPM is shown in a tabular form below:
If,A
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
EA.V 6.0 25
50
110 135 160 205 235 255 275
285 288 290 291
For Radj between 150 2 and 2502, find the range of no-load speed of this motor.
Select one:
O a. Range of speed between 1222 RPM and 2360 RPM
O b. Range of speed between 2222 RPM and 2727 RPM
OC. None
Od. Range of speed between 1818 RPM and 2220 RPM
Transcribed Image Text:A 200-V, 100 A armature full-load line current, 1500 RPM, shunt DC motor is considered in this problem. Its characteristics are given below: RA =0.20 S2 RF= 250 2 NF=2000 turns This motor has compensating windings and interpoles. The magnetization curve for this motor at 1500 RPM is shown in a tabular form below: If,A 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 EA.V 6.0 25 50 110 135 160 205 235 255 275 285 288 290 291 For Radj between 150 2 and 2502, find the range of no-load speed of this motor. Select one: O a. Range of speed between 1222 RPM and 2360 RPM O b. Range of speed between 2222 RPM and 2727 RPM OC. None Od. Range of speed between 1818 RPM and 2220 RPM
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