Table 4 Simulation results for different fault types
Fault type | Transition resistance (Ω) | Fault distance (km) | ΔE(105) | F | Discriminatory result |
|---|---|---|---|---|---|
Positive pole fault | 0.01 | 800 | 18.9 | 1.79 | Positive pole fault |
Negative pole fault | 0.01 | 800 | 18.1 | 0.56 | Negative pole fault |
Pole-to-pole fault | 0.01 | 800 | 132 | 1.04 | Pole-to-pole fault |
External fault | 0.01 | 0 | 1.55 | – | External fault |
AC fault | 0.01 | – | 0.03 | – | External fault |