What is the function of transformer oil in the insulation system?

The function of transformer oil in the insulation system is to provide electrical insulation, dissipate heat, and prevent moisture ingress. It serves as a dielectric medium, ensuring high voltage isolation between conductive components. Additionally, transformer oil helps to cool the transformer by transferring heat away from the core and windings, enhancing operational efficiency and prolonging the lifespan of the transformer. Proper maintenance of the oil is crucial for optimal performance.