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

Table 12

Effect of fault resistance, fault inception angle, and fault location.

Simulated system data				Results obtained from the proposed CDFTF-based scheme
FL (km)	Fault type	FR (ohm)	FIA (degree)	Response time (ms)				Fault type
				Phase A	Phase B	Phase C	Ground G
20	CG	100	0	—	—	8	3	CG
	ABG	80	90	5	7	—	2	ABG
	ABC	20	225	3.5	4.5	5.5	—	ABC
120	CAG	0.001	45	4.5	—	6.5	2.5	CAG
	AG	40	90	6	—	—	4	AG
	AB	60	135	9.5	7.5	—	—	AB
160	AC	0.001	90	3	—	4	—	AC
	BG	60	180	—	6	—	4	BG
	BCG	100	45	—	10.5	7.5	3.5	BCG
240	CG	0.001	0	—	—	11	4	CG
	BC	80	45	—	10.5	12.5	—	BC
	ABC	100	90	12	10	7	—	ABC
290	AG	20	135	11.5	—	—	8.5	AG
	AC	40	180	18	—	10	—	AC
	ABG	0.001	45	5.5	12.5	—	6.5	ABG