What are the specifications of transformer oil according to IEC 60422?

The specifications of transformer oil according to IEC 60422 include parameters such as dielectric strength, acidity, water content, and flash point. Specifically, the standard outlines minimum dielectric strength of 30 kV for new oil, maximum acidity of 0.03 mg KOH/g, and a water content limit of 30 mg/kg. Additionally, the flash point should be above 140�C. These specifications ensure the safe and efficient operation of power transformers.