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Table 9 Simulation results for lightning stroke causing faults

From: Novel transient-energy-based directional pilot protection method for HVDC line

Condition

Pole

S m

S n

Result

Shielding failure

15 kA

1 km

+

−29.83

−9.14

Internal

-

−0.23

−2.13

Normal

500 km

+

−12.33

−8.77

Internal

-

−0.10

−0.62

Normal

30 kA

300 km

+

−13.79

−8.48

Internal

-

0.15

−0.84

Normal

900 km

+

−10.84

−9.18

Internal

-

−0.14

−0.27

Normal

Back- flashover

120 kA

10 km

+

−38.95

−11.56

Internal

-

−0.34

−2.40

Normal

1200 km

+

−9.46

−12.06

Internal

-

−0.57

0.88

Normal

200 kA

1095 km

+

−28.07

−27.16

Internal

-

−26.86

−28.61

Internal

2100 km

+

−25.49

−33.10

Internal

-

−25.23

−28.75

Internal