DC MACHINES MCQS
DC MACHINES MCQS
b) to reduce eddy current loss c) to reduce the mass d) to reduce the inductance ANS:B 22) What are slot wedges in a dc machine made of? a) mild steel b
It consists of a cylinder composed of multiple metal contact segments on the rotating armature of the machine Two or more electrical contacts called brushes Equally spaced slots are stamped around the circumference for the purpose of holding the armature conductors Their shape influences the winding method used for
roma slot demo This slot insulation is folded over above the armature conductors placed in the slot and is secured in place by special hard fiber wedges usually made of The commutator, which rotates with the armature, is cylindrical in shape and is made from a number of wedge-shaped hard drawn copper bars or segments insulated
