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Table 3 Influence of system asymmetry on neutral voltage and sequence current ratio

From: Fault protection method of single-phase break for distribution network considering the influence of neutral grounding modes

GroupUngroundedArc suppression coil groundedLow resistance grounded
λ(%)Uunb(V)UO(V)n1λ(%)Uunb(V)UO(V)n1λ(%)Uunb(V)UO(V)n1
100.28410.55102.264016.3710048.311
20.2916.05412.4412.88113.274058.7910.031.9750.101
30.4323.86418.6414.30235.214101.2210.052.9151.151
40.8345.61437.8418.25403.054115.3610.095.5953.461
51.1060.88454.32110.9551.544131.9310.127.4255.151