On the Transient Response and the Frequency Analysis of Transmission Line Towers

Figure 3

The voltage and current at the tower top 𝑣_𝑇(𝑡),𝑖_𝑇(𝑡) resulting from applying the suggested approach due to a 30 kA step lightening current surge applied at 𝑡=0.1 µs. Number of sections 𝑁=25 (4000 divisions = 8 µs).

(a)

(b)