Title :
Carbon oxides in the interpretation of dissolved gas analysis in transformers and tap changers
Author :
Höhlein-Atanasova, Ivanka ; Frotscher, Rainer
Author_Institution :
Siemens, Nuremberg, Germany
Abstract :
Carbon oxides are produced from the degradation of solid insulation in oilfilled equipment and to a significant extent, especially carbon monoxide, from the insulating liquid itself. For mineral insulating oils, carbon monoxide is a reliable indicator of low or moderate thermal stress, and for natural esters, ethane is an indicator of the oxidation stability of the insulating fluid.
Keywords :
carbon compounds; chemical analysis; on load tap changers; power transformer insulation; transformer oil; carbon oxides; dissolved gas analysis; mineral insulating oils; oil-filled equipment; solid insulation; tap changers; transformers; Carbon; Gases; Oil insulation; Petroleum; Power transformer insulation; Transformers; DGA, carbon oxides, mineral oil, ester insulation fluid, transformer, on-load tap changer; OLTC, oil aging;
Journal_Title :
Electrical Insulation Magazine, IEEE
DOI :
10.1109/MEI.2010.5599976
