What is the specification of transformer oil according to IS335?

The specification of transformer oil according to IS335 outlines the physical and chemical properties required for insulating oil used in power transformers. Key parameters include the breakdown voltage, viscosity, flash point, and acidity. IS335 ensures that transformer oil meets standards for thermal stability, oxidation stability, and moisture content, which are critical for the reliable operation and longevity of power transformers. Compliance with these specifications is essential for maintaining transformer performance and safety.