A New Method for the Quantification of the Remaining Mineral Oil in Natural-Ester Retrofilled Transformers Articles uri icon

publication date

  • August 2023

start page

  • 17

end page

  • 25

issue

  • 5

volume

  • 39

International Standard Serial Number (ISSN)

  • 0883-7554

Electronic International Standard Serial Number (EISSN)

  • 1558-4402

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.

subjects

  • Industrial Engineering

keywords

  • transformer; retrofilling; iodine value; natural ester; mineral oil; liquid insulation; double bond