IEEE C57.139 : 2010
IEEE C57.139 : 2010
GUIDE FOR DISSOLVED GAS ANALYSIS IN TRANSFORMER LOAD TAP CHANGERS
Institute of Electrical & Electronics Engineers
Specials
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IEC 62056-7-5 : 1ED 2016
$78.00 (-56%) $34.32
Table of Contents
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
Abstract
Establishes methods of testing and evaluating dissolved gases in mineral based transformer oils found in load tap changers (LTCs).
General Product Information
| Document Type | Standard |
| Status | Current |
| Publisher | Institute of Electrical & Electronics Engineers |
