Transformer Oil Testing as per European Standards and Specifications
This standard generally used for the used transformer oils however, fresh oil can also be tested accordingly.| European Standards and Specifications for Transformer Oil Test | |
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| Test Parameters | Test Methods |
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Visual Check Colour Index Breakdown Voltage Dielectric Disipation Factor tanD (@ 90°C) Neutralisation Number / Acidity Moisture Interfacial Tension Inhibitor Content DC Resistivity Furans ( Derivates in Isolation Oil ) Depolymerisation Number of Isolation Paper Flash Point Viscosity (@ 40°C) DDF 25°C and 100°C PCB PCB Corrosive Sulphur ( Silver Strip ) Corrosive Sulphur ( Cu ) Corrosive Sulphur ( Cu ) Density ( @ 20°C ) DBDS Particles DGA Buchholz gases Methanol in Electrical Insulating Liquids Sediments Soluble Sludge |
ASTM D1524 VDEW Olbuch/ASTM D1500 IEC 60156 DIN EN 60247 IEC 62021-1/DIN 51558-2/ASTM D664 IEC 60814 ASTM D 971 DIN EN 60666 IEC 60247 DIN EN 61198/ASTM D5837 DIN EN 60450 DIN EN ISO 2719 ISO 3104 / DIN 51562-1 ASTM D924-15 DIN 12766-2/ASTM D4059-00 IEC 61619 DIN 51350 IEC 62535 ASTM D 1275-A,B ASTM D4052 IEC 62697-1 IEC 60970 IEC 60599 VDE 0370 Part 9/DIN EN 60567 ASTM Work 30948 EN 12662 / IEC 60422 IEC 60422 |