Transformer Fault-Gas Analysis and Interpretation

Abstract
This paper expands on an effort to correlate mass spectrographic and chromatographic analyses of the gases produced by a variety of synthesized defects which could occur in a transformer [1]. The attempt has been augmented by a number of field experiences in which gas samples were analyzed, interpreted, and eventually compared with reports from the field of the defects that were corrected. The effectiveness of the technique is dramatically encouraging.

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