Types of Electrical Transformers

Types of Transformers
(A) According to the secondary voltage.

1. Step-up
2. Step down.

(B) According to the supply system

1. Single phase.
2. 3-phase transformer

(C) According to the purpose

1. Power transformer
2. Distribution transformer
3. Instrument transformer
4. Auto transformer

(D) According to the construction

1. Core type
2. Shell type
3. Distributed core (berry) type.