Читать книгу Electrical Safety Engineering of Renewable Energy Systems - Rodolfo Araneo - Страница 25
Solution
Оглавление From Eq. 1.9, the ground potential rise of the hemisphere is:
The touch voltage is V(r0)–V(r), where V(r) can be calculated with Eq. 1.8 with r = 10 m.
Vt = V (r0 ) − V (r)= 1114.6 V
From Eq. 1.16, the body current with RB = 1 kΩ, and RBG = 1.5ρ = 300 Ω, is: