MINERAL OIL-FILLED ELECTRICAL EQUIPMENT IN SERVICE - GUIDANCE ON THE INTERPRETATION OF DISSOLVED AND FREE GASES ANALYSIS
International Electrotechnical Committee
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
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.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 10 |
