Answer / engr. shomaz ul haq

Series losses (i.e. copper/resistive and leakage flux losses) in the primary and secondary windings of a transformer whereas the parallel losses (excitation branch losses) can be ignored as very little current travels through it thus heating in less amount as compared to series losses.

Answer / ranga

In T/F indused emf produced in wdgs when t/f ON condition 24 hours this process continous in wdgs so first wdgs het.
t/f oil - use colling purpose dis less heat cmpr with wdngs
t/f core- use to produce magnetic property so less heat cmpr wds and oil.....thank u.

Answer / guest

core by losses

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