Which one of the following statements for a DC machine provided with a compensating winding (CW) and interpole winding (IW) is correct?
1
Both are connected in parallel with the armature winding
2
Both are connected in series with the armature winding
3
CW is connected in series but IW is connected in parallel with the armature winding
4
CW is connected in parallel but IW is connected in series with the armature winding