What are the uses of transformer oil in power transformers?

Transformer oil in power transformers serves multiple critical functions. Primarily, it acts as an insulating medium, preventing electrical discharges between conductive parts. Additionally, transformer oil facilitates heat dissipation, absorbing and transferring heat generated during operation to maintain optimal temperature levels. It also protects internal components from moisture and oxidation, thereby enhancing the longevity and reliability of power transformers. Overall, transformer oil is essential for both insulation and cooling in power transformers.