Publication:
A New Method for the Quantification of the Remaining Mineral Oil in Natural-Ester Retrofilled Transformers

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2023-08-16
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IEEE
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Abstract
Assessing the amount of remaining mineral oil in retrofilled transformers is vital since that presence may worsen flash and fire point of the ester and impact the transformer dielectric performance; this article proposes a new experimental methodology to quantify the ratio of mineral oil in natural esters.
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Transformer, Retrofilling, Iodine value, Natural ester, Mineral oil, Liquid insulation, Double bond
Bibliographic citation
Montero, A., García, B., & Cabanelas, J. C. (2023). A new method for the quantification of the remaining mineral oil in Natural-Ester retrofilled transformers. IEEE Electrical Insulation Magazine, 39(5), 17-25.