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

Table 1

Dissolved gas data of transformers.

S. no.	C2H2	C2H4	C2H6	CH4	H2	CO	CO2
T-1	1	68	30	70	55	150	1500
T-2	1	20	10	70	20	280	1400
T-3	21	380	91	200	160	612	1100
T-4	0	60	40	200	80	1650	4000
T-5	0	70	15	10	40	1200	2700
T-6	0	60	20	100	35	140	900
T-7	22	291	94	134	156	1400	1800
T-8	0	350	60	270	100	250	1500
T-9	1	360	80	240	115	1300	5000
T-10	0	270	75	250	100	310	1600
T-11	200	370	630	1200	1300	790	2800
T-12	0	140	60	80	80	600	3000
T-13	65	100	130	240	200	612	2250
T-14	125	50	38	95	700	500	4550
T-15	1	20	80	120	45	1100	5100
T-16	0	400	70	300	180	500	1100
T-17	1	50	40	8	40	2700	3500
T-18	67	282	95	140	152	610	11000
T-19	15	55	70	70	800	500	5100
T-20	0	90	10	40	20	70	900
T-21	0	230	70	120	60	1080	5580
T-22	0	60	80	15	10	700	4600