Table 8 Ellipse characteristic quantity of fault at EF
From: Grounding fault location method of overhead line based on dual-axis magnetic field trajectory
Fault point | Location | Major axis | Minor axis | Inclination angle | |
|---|---|---|---|---|---|
Degrees | Cosine ratio | ||||
EF | Upstream | 61.21 | 7.38 | 58.92° | − 0.56 |
Downstream | 15.89 | 7.59 | 158.15° | ||