For a 100 hp 250 V, compound dc motor with compensating winding has a field current of 5 A to produce a voltage of 250 V at 1200 rpm. What will be the shunt field current of this machine at no load?(a) 5 A(b) 5.6 A(c) 4 A(d) 0 AI had been asked this question in an interview.The above asked question is from Operating Characteristics of DC Motors in chapter DC Motors of Electrical Machines

For a 100 hp 250 V, compound dc motor with compensating winding has a

1.	For a 100 hp 250 V, compound dc motor with compensating winding has a field current of 5 A to produce a voltage of 250 V at 1200 rpm. What will be the shunt field current of this machine at no load?(a) 5 A(b) 5.6 A(c) 4 A(d) 0 AI had been asked this question in an interview.The above asked question is from Operating Characteristics of DC Motors in chapter DC Motors of Electrical Machines
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