Transformer oil - e-lesson #1 - illustration 850 x 400

E-lesson: An Introduction to Transformer Oil – A brief overview of transformers based on insulation systems

Course: | Free Basic level

This is the first e-lesson in the Transformer Oil course, authored and hosted by C. S. NARASIMHAN.

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The topic covers the following aspects:

  • Why mineral oil is the most popular fluid among different oils
  • A technical comparison of oil-filled transformers (OIT) with gas-insulated transformers, dry-type transformers and liquid nitrogen cooled transformers highlighting the major advantages of OITs over the other types of transformers
  • Finally, a list of major transformer oil suppliers and the grades of oils they make will also be provided

Keywords: mineral oil, oil-filled transformers, SF6 insulated transformer, dry type, HTSΒ 

Dr. Narasimhan is a Ph.D. in Chemistry with over 30 years of experience in Industrial R&D. While working as a technical director in a major oil company manufacturing transformer oils, he led project teams for developing and commercializing mineral oils for EHV applications and ester fluids. He is a member of several IEC and CIGRE committees dealing with transformer oils. He has several publications and patents to his credit.


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