Table 7 Simulation results obtained after adding SNR to the external faults
Fault type | Fault resistance (Ω) | SNR | |||
|---|---|---|---|---|---|
10Â dB | 20Â dB | 30Â dB | 40Â dB | ||
External fault (0 km) | 0.01 | 1.546 × 105 | 1.546 × 105 | 1.547 × 105 | 1.546 × 105 |
100 | 3.700 × 104 | 3.693 × 104 | 3.688 × 104 | 3.690 × 104 | |
300 | 9.865 × 103 | 9.826 × 103 | 9.794 × 103 | 9.806 × 103 | |
500 | 4.502 × 103 | 4.498 × 103 | 4.493 × 103 | 4.496 × 103 | |
ABC phase fault | 0.01 | 3.733 × 103 | 3.628 × 103 | 3.644 × 103 | 3.644 × 103 |
100 | 1.352 × 102 | 1.613 × 102 | 1.591 × 102 | 1.569 × 102 | |
300 | 4.082 × 101 | 3.501 × 101 | 3.140 × 101 | 3.203 × 101 | |
500 | 2.316 × 101 | 1.533 × 101 | 1.476 × 101 | 1.499 × 101 | |