By Alan Sbravati and Kevin Rapp

"It is estimated that over 2 million transformers have been produced using FR3 fluid since the first commercial application in 1997."

Either mitigating the fire risk of a pole mounted transformer in a busy downtown area or minimizing the environmental impacts due to an accidental spill in a protected forest area, natural ester immersed transformer reliability has been proven by extensive real-life success cases.

How has the evolution of natural esters transformed the industry? Find out in this article.

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This article was originally published in the March 2020 issue of the Transformer Oils & Fluids: Development of Transformer Fluids Over the Last Century magazine.

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