Compensating windings are used in D.C. generators________?
Anone of the above
Bto provide path for the circulation of cooling air
Cmainly to reduce the eddy currents by providing local short-circuits
Dto neutralise the cross-magnetising effect of the armature reaction
Correct answer
D. to neutralise the cross-magnetising effect of the armature reaction
Explanation
The correct answer is to neutralise the cross-magnetising effect of the armature reaction.