.A 10 kW, 250 V Shunt motor has an armature resistance of 0.5 ohm and a field resistance of 200 ohm. At no load and rated voltage, the speed is 1200 rpm and the armature current is 3 A. At full load and rated voltage, the line current is 47 A and because of armature reaction, the flux is 4 % less than it no load value. a.) What is the full load speed? b.) What is the developed torque at full load? * a. 1142 rpm, 87 N.m O b. 1142.48 rpm, 86.86 N.m O c. 1142 rpm, 86.86 N.m O d. 1045 rpm, 87 N.m

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.A 10 kW, 250 V Shunt motor has an armature resistance of 0.5 ohm and
a field resistance of 200 ohm. At no load and rated voltage, the speed is
1200 rpm and the armature current is 3 A. At full load and rated voltage,
the line current is 47 A and because of armature reaction, the flux is 4 %
less than it no load value. a.) What is the full load speed? b.) What is the
developed torque at full load? *
a. 1142 rpm, 87 N.m
O b. 1142.48 rpm, 86.86 N.m
O c. 1142 rpm, 86.86 N.m
O d. 1045 rpm, 87 N.m
Transcribed Image Text:.A 10 kW, 250 V Shunt motor has an armature resistance of 0.5 ohm and a field resistance of 200 ohm. At no load and rated voltage, the speed is 1200 rpm and the armature current is 3 A. At full load and rated voltage, the line current is 47 A and because of armature reaction, the flux is 4 % less than it no load value. a.) What is the full load speed? b.) What is the developed torque at full load? * a. 1142 rpm, 87 N.m O b. 1142.48 rpm, 86.86 N.m O c. 1142 rpm, 86.86 N.m O d. 1045 rpm, 87 N.m
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