IEEE C57.139-2010
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
IEEE Guide for Dissolved Gas Analysis in Transformer Load Tap Changers
04-29-2016
English
02-18-2011
1 Overview
2 Normative references
3 Definitions
4 Nature, purpose, and basis for DGA for LTCs
5 Norms for LTC DGA
6 Procedure for interpretation of LTC DGA data
Annex A (informative) - Generic classification
scheme for LTC types
Annex B (informative) - Sample procedures for
statistical derivation of limits
Annex C (informative) - Case histories
Annex D (informative) - Application of the Duval
Triangle 2 to DGA in LTCs
Annex E (informative) - Gas ratio nomograms for
DGA in LTCs
Annex F (informative) - Bibliography
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