Combined DFT and Fuzzy Based Faulty Phase Selection and Classification in a Series Compensated Transmission Line

Table 13

Confusion matrix for the CDFTF-based scheme.

Actual fault
Predicted fault	Sample	AG	BG	CG	AB	BC	CA	ABG	BCG	CAG	ABC	No fault	Accuracy (%)	Average accuracy (%)
AG	1280	1276	0	0	0	0	0	0	0	0	0	4	99.68	99.678
BG	1280	0	1272	0	0	0	0	0	0	0	0	8	99.37
CG	1280	0	0	1280	0	0	0	0	0	0	0	0	100
AB	1280	0	0	0	1278	0	0	2	0	0	0	0	99.84
BC	1280	0	0	0	0	1277	0	0	2	0	0	1	99.76
CA	1280	0	0	0	0	0	1280	0	0	0	0	0	100
ABG	1280	0	0	0	12	0	0	1268	0	0	0	0	99.06
BCG	1280	0	0	0	0	16	0	0	1264	0	0	0	98.75
CAG	1280	0	0	0	0	0	0	0	0	1280	0	0	100
ABC	1280	0	0	0	0	0	0	0	0	0	1280	0	100
No fault	20	0	0	0	0	0	0	0	0	0	0	20	100