Table 6 Parameters of magnetic field sine functions under different fault inception angles
From: Grounding fault location method of overhead line based on dual-axis magnetic field trajectory
Inception angle | Location | Coordinate axis | A | ω | θ |
|---|---|---|---|---|---|
30° | Upstream | x | 14.29 | 313.5 | − 0.93 |
y | 28.44 | 313.8 | − 0.53 | ||
Downstream | x | 10.49 | 314.3 | − 2.94 | |
y | 6.70 | 314.3 | − 0.84 | ||
60° | Upstream | x | 14.28 | 313.8 | − 0.45 |
y | 28.45 | 314.1 | − 0.05 | ||
Downstream | x | 10.49 | 314.6 | − 2.46 | |
y | 6.71 | 314.2 | − 0.30 |