A 320 V shunt motor takes a total current of 80 A and runs at 1000...
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A 320 V shunt motor takes a total current of 80 A and runs at 1000 rev/min. If the iron, friction and windage losses amount to 1.5 kW, the shunt field resistance is 40 52 and the armature resistance is 0.2 £2, determine the overall efficiency of the motor. A 320 V shunt motor takes a total current of 80 A and runs at 1000 rev/min. If the iron, friction and windage losses amount to 1.5 kW, the shunt field resistance is 40 52 and the armature resistance is 0.2 £2, determine the overall efficiency of the motor.
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