Comparative Performance Study of Dissolved Gas Analysis (DGA) Methods for Identification of Faults in Power Transformer

Table 14

Identification of fault in “T-17” using coding of three-ratio method [22, 23].

Gas ratio		Concentration (ppm)
	C2H6+C2H4		0.932193
	H2+C2H2
	C2H2+CH4		3.32759
	C2H4
	C2H2		0.220591
	C2H4
Thermal faults of °C