Title :
Calculation of the activation energy of oil-paper insulation in a distribution transformer
Author :
Koufakis, Emmanuel I. ; Halevidis, Constantinos D. ; Polykrati, Aikaterini D. ; Tsarabaris, Panagiotis T.
Author_Institution :
Public Power Corp. S.A., Mournies, Greece
Abstract :
This article presents measurements of insulating resistance in distribution transformers, at various temperatures, from which the activation energy of the oil-paper system is calculated.
Keywords :
paper; power transformer insulation; transformer oil; activation energy; distribution transformer; insulating resistance measurements; oil-paper insulation system; Electrical resistance measurement; Oil insulation; Power transformer insulation; Resistance; Temperature measurement; Transformers; activation analysis; impregnated insulation; insulation testing; transformer;
Journal_Title :
Electrical Insulation Magazine, IEEE
DOI :
10.1109/MEI.2012.6159181
