NTT DIAGNOSTICS FOR MINERAL OIL

Dornenburg Ratios.................(under construction)

This method provides a simple scheme for distiguishing between overheating, partial dischare, and other types of discharges. Rogers' ratio method is a more encompassing method and includes temperature ranges for overheating conditions and some distinction of the severity of fault conditions.
Enter PPM values
Hydrogen H2
Methane CH4
Ethane C2H6
Ethylene C2H4
Acetylene C2H2
Carbon Monoxide CO
Carbon Dioxide CO2
Nitrogen N2
Oxygen O2



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