How the hysteresis loss and eddy current loss are reduced in DC machines?
prepare the EMF equation of the DC generator.
Why the efficiency of transformer is superior to any other electrical machines?
Describe the situations for maximum efficiency for a transformer.
A 8 pole, 3 phase induction motor is supplied from 50 Hz, ac supply .On full load, the frequency of induced e.m.f in rotor is 2 Hz. Find out the full load slip.