Dörnenburg

The interpretation scheme for Dörnenburg based on the gas ratio method.
In this method, ratios of the concentrations of various fault gases are formed
and then compared over a table, whether they lie within a certain size range.
This can detect the type of fault.

 

Dörnenburg

Gas ratio

CH4/H2

C2H2/C2H4

C2H6/C2H2

C2H2/CH4

Nr. Fault
1 Thermal fault
2 Discharge
3 Partial discharge
> 1,0 < 0,7 > 0,4 < 0,3
< 0,1 n.r. > 0,4 < 0,3
0,1 - 1,0 > 0,7 < 0,4 > 0,3