| Transformer Oil Testing Parameters and Test Methods | |
|---|---|
| PARAMETERS | TEST METHODS |
|
Dielectric strength test Dissipation Factor @ 25° C Dissipation Factor @ 100° C Interfacial Tension Color Visual Examination (Color) Neutralization Number Water content Oxidation Inhibitor Content |
ASTM D 1816 ASTM D 924 ASTM D 924 ASTM D 971 ASTM D 1500 Visual ASTM D 974 IEC 60814 ASTM D 2668 |
| Transformer Dissolved Gas Analysis (DGA)Parameters and Test Methods | |
|---|---|
| PARAMETERS | TEST METHODS |
|
DGA: Hydrogen Oxygen Carbon Dioxide Methane Ethane Ethylene Acetylene Nitrogen Carbon Monoxide Total TDCG TDHHG ETCG |
ASTM D 3612 – – – – – – – – – – – – – |