The most economical way to protect from lightning strike. Because Early Stream Emmision (E.S.E.) Systems have a protection area.
The protection radius of an ESEAT is related to its height (h) relative to the surface to be protected,to its efficiency and to the selected protection level R (h) = 2rh − h2 + Δ(2r + Δ) for h ≥ 5
mandRp = h x Rp(5) / 5 for 2 m ≤ h ≤ 5 m where Rp (h) (m) is the protection radius at a given height hh (m) is the height of the ESEAT tip over the horizontal plane through the furthest point of the object to be protected.
r (m) 20 m for protection level I 30 m for protection level II 45 m for protection level III 60 m for protection level IVΔ (m) = ∆T x 106 Field experience has proved that Δ is equal to the efficiency obtained during the ESEAT evaluation tests.
Where h≥5 m, then Rp can be calculated fromRp (h) = 2rh - h2 + ∆(2r+∆)Where 2 m ≤ h ≤ 5 m, then Rp can be calculated fromRp = h x Rp(5) / 5Rp (h) (m) is the protection radius at a given height hh (m) is the height of the ESEAT tip over the horizontalplane through the furthestpoint of the object to be protected r (m) 20 m for protection level I30 m for protection level II45 m for protection level III60 m for protection level IVΔ (m) Δ = ΔT x 106Field experience has proved that Δ is equal to theefficiency obtained during the ESEAT evaluationtests