Title :
Vegetable oils, an alternative to mineral oil for power transformers- experimental study of paper aging in vegetable oil versus mineral oil
Author :
Martins, Maria Augusta G
Author_Institution :
Labelec - Grupo EDP, Sacavém, Portugal
Abstract :
This article compares the thermal aging of insulating paper in mineral oil with that of paper in vegetable oil over the temperature range of 70 to 190°C and shows that the use of vegetable oil as an insulating liquid is a very promising option.
Keywords :
ageing; paper; power transformer insulation; transformer oil; insulating liquid; insulating paper; mineral oil; paper aging; power transformers; temperature 70 degC to 190 degC; thermal aging; vegetable oils; Aging; Circuit faults; Degradation; Minerals; Oil insulation; Power generation; Power transformer insulation; Vegetable oils; vegetable oil, mineral oil, Kraft paper, degree of polymerization, thermal aging, furanic compound;
Journal_Title :
Electrical Insulation Magazine, IEEE
DOI :
10.1109/MEI.2010.5599974
