|Core Type Transformer
||Shell type transformer
|The core has only one magnetic circuit.
||It has two magnetic circuits.
|Core has two limbs.
||Core has three limbs.
|It has less mechanical protection to coil.
||It has better mechanical protection to coil.
|It has better cooling since more surface is exposed to atmosphere.
||Cooling is not very effective.
|Natural cooling is provided.
||Natural cooling cannot provide
|This transformer is easy to repair.
||This transformer is not easy to repair.
|The winding is surrounded considerable part of core.
||Core is surrounded considerable part of winding of transformer.