Modeling Analysis of Power Transformer Fault Diagnosis Based on Improved Relevance Vector Machine

Table 1

Sample group of dissolved gases.

No.	Fault type	Data of gas content (unit: ppm)
		H2	CH4	C2H6	C2H4	C2H2
1	Overheating	74	523	142	1200	6
2	Overheating	220	382	82	1019	17
3	Overheating	116	352	90	465	5
4	High energy discharge	295	51	12	117	124
5	High energy discharge	449	83	12	104	176
6	Low energy discharge	566	92	35	46	2
7	Low energy discharge	152	54	32	20	3
8	Low energy discharge	172	78	36	28	6
9	No fault	5	3	2	6	6
10	No fault	6	7	6	13	6