What is the role of insulation oil in transformers?

The role of insulation oil in transformers is to provide electrical insulation and cooling. Insulation oil prevents electrical discharges between conductive parts, ensuring safe operation. Additionally, it dissipates heat generated by the transformer’s core and windings, maintaining optimal operating temperatures. The chemical properties of insulation oil also help to protect against oxidation and moisture, enhancing the longevity and reliability of power transformers.