Integrated Transformer Health Estimation Methodology Based on Markov Chains and Evidential Reasoning
Table 5
Initial data for the degrees of belief calculation.
Oil
Insulation
Active part
Windings
0.24
0.24
0.28
0.24
0.55
0.45
0.41
0.34
0.25
0.5
0.5
Hi
Phys, chem (βi, 1)
H2O (βi,2)
tgδ (βi,1)
FDS (βi,2)
Furan (βi,3)
DGA (βi)
R (βi,1)
L (βi,2)
3
0.75
0
0
0
0.8
0
0.5
0.5
2
0.14
0.8
0
0
0
0.9
0.3
0.3
1
0.08
0.2
0.8
0
0
0
0
0
0
0.02
0
0
0
0
0
0
0
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