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

Table 2

Fault line selection results of different resistances and angles.

Fault line	Fault situation	Distance of phase trajectory	𝑆1	𝑆2	𝑆3	𝑆4	Selection result
𝑆1	(30°, 90 Ω)	𝑀𝐷𝐶	1.4666	0.0005	0.0006	0.0017	𝑆1
	(0°, 400 Ω)	𝑀𝐷𝐶	1.4691	1.4718	0.0005	0.0029	𝑆1
		𝐷𝐴	0.0598	0.0072	0.0001	0.0004
	(0°, 2000 Ω)	𝑀𝐷𝐶	1.4689	0.0013	0.0005	0.0007	𝑆1
	(30°, 400 Ω)	𝑀𝐷𝐶	1.4679	0.0004	0.0019	0.0053	𝑆1
	(𝟑𝟎^∘,𝟏𝟏𝟎𝟎Ω)	𝐌𝐃𝐂	1.4690	1.4670	0.0014	0.0019	𝐒𝟏
		𝐃𝐀	0.0356	0.0061	0.0002	0.0003
	(30°, 2000 Ω)	𝑀𝐷𝐶	1.4701	0.0035	0.0005	0.0012	𝑆1
	(60°, 90 Ω)	𝑀𝐷𝐶	1.4667	0.0006	0.0009	0.0060	𝑆1
	(60°, 400 Ω)	𝑀𝐷𝐶	1.4663	1.4668	0.3589	0.0043	𝑆1
		𝐷𝐴	0.0521	0.0088	0.0030	0.0007
	(60°, 2000 Ω)	𝑀𝐷𝐶	1.4677	0.0024	0.0005	0.0006	𝑆1
	(90°, 400 Ω)	𝑀𝐷𝐶	1.4650	0.0014	0.0005	0.0019	𝑆1
	(90°, 2000 Ω)	𝑀𝐷𝐶	1.4674	0.0004	0.0015	0.0006	𝑆1