Q3/ A 6-pole, 220V wave connected shunt motor gives 3 KW when running at 1000rpm and drawing the armature and field current of 60A and 3A. It has 700 conductors. Its resistance is 0.30. Find: 1-Armature torque 2-Shaft torque 3-Lost torque 4-Total losses 5-Efficiency (30 mark)

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Q3/ A 6-pole, 220V wave connected shunt motor gives 3 KW when running at 1000rpm and
drawing the armature and field current of 60A and 3A. It has 700 conductors. Its resistance is
0.30. Find:
1-Armature torque
2-Shaft torque
3-Lost torque
4-Total losses
5-Efficiency
(30 mark)
Transcribed Image Text:Q3/ A 6-pole, 220V wave connected shunt motor gives 3 KW when running at 1000rpm and drawing the armature and field current of 60A and 3A. It has 700 conductors. Its resistance is 0.30. Find: 1-Armature torque 2-Shaft torque 3-Lost torque 4-Total losses 5-Efficiency (30 mark)
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