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International Journal of Energy Research
/
2023
/
Article
/
Tab 8
/
Research Article
Comparative Performance Study of Dissolved Gas Analysis (DGA) Methods for Identification of Faults in Power Transformer
Table 8
Fault identification for the Doernenburg ratio method [
11
].
Fault diagnosis
CH
4
/H
2
(
)
C
2
H
2
/C
2
H
4
(
)
C
2
H
2
/CH4 (
)
C
2
H
6
/C
2
H
2
(
)
Corona (low-intensity PD)
Not significant
Thermal decomposition
Arcing (high-intensity PD)
