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Protection and Control of Modern Power Systems

Table 3 High frequency and specific frequency energy of backward traveling wave at different fault locations (R = 300 Ω, θ = 90°, ABg)

From: A fast boundary protection for an AC transmission line connected to an LCC-HVDC inverter station

Fault location

Eh

Er

EhEr

Discriminated result

lNf = 1 km

1.5494e+ 10

1.5841e+ 08

2.4543e+ 18

Internal

lNf = 31.25 km

1.1377e+ 10

2.0587e+ 08

2.3421e+ 18

Internal

lNf = 61.5 km

1.6953e+ 10

6.2233e+ 07

1.0550e+ 18

Internal

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