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











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