What is the procedure for transformer oil testing ppt and what parameters are evaluated?

The procedure for transformer oil testing typically involves sampling the oil, followed by laboratory analysis. Key parameters evaluated include dielectric strength, moisture content, acidity, dissolved gas analysis (DGA), and furan analysis. Each of these parameters helps assess the oil’s insulation properties, contamination levels, and overall health of the transformer. Proper testing ensures reliable operation and early detection of potential failures in power transformers.