What is negative sequence current and how does it affect generator

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

What is negative sequence current and how does it affect generator Construction of machines The magnet frame or yoke is made from cast steel for small machines and from rolled-steel for the larger sizes In the latter

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

what are the luckiest slot machines 9 In DC machines, slot wedges are generally made of silicon steel fibre impregnated paper cotton Ans: WTGsDp

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

whats the best slot machine to play The function of a Commutator is to invert DC input wave to an AC wave in the armature winding It is built up of a number of small wedge shaped segments of high

Sectional view of a DC machine Page 13 Construction of DC Generator Made of wedge shaped copper segments Segments are insulated from each other