Types of Transformers

Transformers generally have one of two types of cores: 
1)Core Type and ,
2)Shell Type. 
These two types are distinguished from each other by the manner in which the primary and secondary coils are place around the steel core. 

• Core type - With this type, the windings surround the laminated core.
• Shell type - With this type, the windings are surrounded by the laminated core.