In this topic, you study Dry Type Transformer.
The transformers using air as coolant are called dry type transformers. Small transformers (upto 25 k VA capacity) are generally of the dry type.
Cooling Methods for Dry Type Transformers
The cooling methods for dry-type transformers are as given below :
(i) Air Natural (AN) :
(ii) Air Blast or Air Forced (AB or AF)