go to the Power transformers product page Soba Ngenda asked on Mar 7th, 2016 in Power transformers

What is the probability of an explosive failure (with major oil spill and or fire) due to a transformer internal arcing fault?

Abhishek Rai, Marketing and Sales Manager

ABB's answer

The average probability of an explosive failure over a transformer’s lifetime of 40 years is 40%, where 4% of it is leading to a catastrophic oil fire and 22% to a major oil spill. Therefore a catastrophic failure of a transformer is not a negligible risk.

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  • Abhishek Rai

    Abhishek Rai

    Marketing and Sales Manager

    Large and medium power transformers

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