What is iso paraffinic transformer oil and how is it used in power transformers?

Iso paraffinic transformer oil is a type of mineral oil characterized by its high purity and low aromatic content. It is used in power transformers primarily as an insulating and cooling medium. The chemical stability and excellent dielectric properties of iso paraffinic transformer oil enhance the operational efficiency and longevity of transformers, reducing the risk of electrical breakdown and ensuring reliable performance under varying load conditions.