Q/ A 220 V d.c. series motor runs at 980 r.p.m. If the armature and field resistance are 0.2 Q and 0.1 Q respectively and the iron and friction losses are 0.5 kW, find (1) The drawn current if the...


Q/ A 220 V d.c. series motor runs at 980 r.p.m. If the armature and field resistance<br>are 0.2 Q and 0.1 Q respectively and the iron and friction losses are 0.5 kW, find (1)<br>The drawn current if the armature torque is 88.9 N-M (2) The motor efficiency.<br>

Extracted text: Q/ A 220 V d.c. series motor runs at 980 r.p.m. If the armature and field resistance are 0.2 Q and 0.1 Q respectively and the iron and friction losses are 0.5 kW, find (1) The drawn current if the armature torque is 88.9 N-M (2) The motor efficiency.

Jun 11, 2022
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