Table 4 High frequency and specific frequency energy of backward traveling wave with different fault resistances (θ = 90°)
From: A fast boundary protection for an AC transmission line connected to an LCC-HVDC inverter station
Fault condition | Eh | Er | Eh Er | Discriminated result | ||
|---|---|---|---|---|---|---|
Fault location | R/Ω | Fault type | ||||
lNf = 31.25 km | 0 | Ag | 7.5379e+ 10 | 8.0295e+ 08 | 6.0526e+ 19 | Internal |
AB | 9.6894e+ 10 | 1.1590e+ 09 | 1.1230e+ 20 | Internal | ||
ABg | 1.0511e+ 11 | 1.0678e+ 09 | 4.2761e+ 19 | Internal | ||
ABC | 1.6995e+ 11 | 2.2635e+ 09 | 1.1224e+ 20 | Internal | ||
300 | Ag | 1.0334e+ 10 | 2.4429e+ 08 | 2.5243e+ 18 | Internal | |
AB | 1.7593e+ 10 | 4.8874e+ 08 | 8.5986e+ 18 | Internal | ||
ABg | 1.1377e+ 10 | 2.0587e+ 08 | 2.3421e+ 18 | Internal | ||
ABC | 4.3934e+ 10 | 6.7390e+ 08 | 2.9607e+ 19 | Internal | ||