Question

A 250 v dc shunt machine has ra 2 Rsh 50 if this machine is connected to 250 v supply motor . Find the ratio of as a generator to the speed as a to speed as a motar.​

Answer 1

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A 220 V shunt motor has armature and field resistances of 0.2 Ω and 220 Ω respectively. The motor is driving load torque, TL ∝ n2 and running at 1000 rpm drawing 10 A current from the supply.