Friday, August 14, 2015

what is the difference between core and shell type transformer ?

S.No
Core type transformer
Shell type transformer
1
Core is surrounded by winding
Winding is surrounded bycore
2
It has two limbs
It has three limbs
3
It is made up of two L shaped strips
It is made up of E and I shaped strips
4
Easy to dismantle the windings for repair work
Difficult to dismantle the windings for repair work
5
Better heat dissipation
Poor heat dissipation as the winding is surrounded by core.