A Novel Fault Line Selection Method Based on Improved Oscillator System of Power Distribution Network

Table 6

Small resistance to ground fault result.

Fault line	Fault situation	Distance of phase trajectory	𝑆1	𝑆2	𝑆3	𝑆4	Selection result
𝑆1	(0°, 5 Ω)	𝑀𝐷𝐶	1.4675	1.4643	1.4663	1.4677	Failure
		𝐷𝐴	0.0127	0.0126	0.0379	0.0366
	(0°, 10 Ω)	𝑀𝐷𝐶	0.0571	0.0016	1.4677	1.4704	Failure
		𝐷𝐴	0.0024	0.0010	0.0393	0.0359
	(0°, 30 Ω)	𝑀𝐷𝐶	0.0006	0.0005	1.4654	0.0004	Failure
	(0°, 60 Ω)	𝑀𝐷𝐶	0.0003	0.0007	1.4644	0.0030	Failure
	(0°, 80 Ω)	𝑀𝐷𝐶	0.0024	0.0003	0.0008	0.0021	Failure