A 240-V, 125 A armature full-load current, 1800 RPM, cumulatively-compounded DC motor is considered in this problem. Its characteristics are given below: RA+Rs = 0.20 2 RF = 140 52 Radj = 16052 NF = 2000 turns NSE=16 turns At full load, the field current is 1 Amp, and the armature reaction magnetomotive force is 50 Amp.turns. The magnetization curve for this motor at 1800 RPM is shown in a tabular form below: If, A 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 EA,V 6.0 25 50 110 135 160 205 235 255 275 285 288 290 291 What is the net magnetomotive force produced by this motor at full load? Enter the value in the box and select the proper unit. Answer: Choose...

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A 240-V, 125 A armature full-load current, 1800 RPM, cumulatively-compounded DC
motor is considered in this problem. Its characteristics are given below:
RA+Rs = 0.20 S2
RF = 140 S2
Radj = 160 2
NF-2000 turns
NSE = 16 turns
At full load, the field current is 1 Amp, and the armature reaction magnetomotive force is 50 Amp.turns.
The magnetization curve for this motor at 1800 RPM is shown in a tabular form below:
0 0.1 0.2 0.4 0.5 0.6 0.8 1.0 1.2 1.6 1.8 2.0
If, A
EA,V 6.0 25 50 110 135 160 205 235 255 275 285
288
What is the net magnetomotive force produced by this motor at full load ?
Enter the value in the box and select the proper unit.
Answer:
Choose...
2.2 2.4
290 291
Transcribed Image Text:A 240-V, 125 A armature full-load current, 1800 RPM, cumulatively-compounded DC motor is considered in this problem. Its characteristics are given below: RA+Rs = 0.20 S2 RF = 140 S2 Radj = 160 2 NF-2000 turns NSE = 16 turns At full load, the field current is 1 Amp, and the armature reaction magnetomotive force is 50 Amp.turns. The magnetization curve for this motor at 1800 RPM is shown in a tabular form below: 0 0.1 0.2 0.4 0.5 0.6 0.8 1.0 1.2 1.6 1.8 2.0 If, A EA,V 6.0 25 50 110 135 160 205 235 255 275 285 288 What is the net magnetomotive force produced by this motor at full load ? Enter the value in the box and select the proper unit. Answer: Choose... 2.2 2.4 290 291
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