Table of Contents

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Mechanisms of gas formation
5 Identification of faults
6 Conditions for calculating ratios
7 Application to free gases in gas relays
8 Gas concentration levels in service
9 Recommended method of DGA interpretation
10 Report of results
Annex A (informative) - Equipment application notes
Annex B (informative) - Graphical representations of
        gas ratios
Bibliography

Abstract

Specifies how the concentrations of dissolved gases or free gases may be interpreted to diagnose the condition of oil-filled electrical equipment in service and suggest future action.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 10