Title :
Dissolved gas analysis of alternative fluids for power transformers
Author :
Imad-U-Khan ; Wang, Zhongdong ; Cotton, Ian ; Northcote, Susan
Author_Institution :
Univ. of Manchester, Manchester
Abstract :
Ester-based transformer fluids have the same DGA fingerprints as mineral oil. However, with lower volumes of gas produced, they will demand more precise dissolved gas measurements and modified or new ratio criteria to allow fault detection and diagnosis.
Keywords :
chemical analysis; fault diagnosis; power transformer insulation; transformer oil; DGA fingerprints; dissolved gas measurements; fault detection; fault diagnosis; mineral oil; power transformers; transformer fluids; Biodegradation; Dissolved gas analysis; Fires; Gas insulation; IEC standards; Minerals; Moisture; Oil insulation; Petroleum; Power transformers;
Journal_Title :
Electrical Insulation Magazine, IEEE
DOI :
10.1109/MEI.2007.4318269