What is the formula for calculation of brush current of DC machine for wave winding?
(a) brush Current = 2*(Armature Current) / P
(b) brush Current = (Armature Current) / P
(c) brush Current = Armature Current
(d) brush Current = P/2*(Armature Current)
I have been asked this question in a national level competition.
The above asked question is from Design of Commutator and Brushes topic in section Thermal Design Aspects of Electrical Machines & D.C of Design of Electrical Machines