A lightning protection system consists both external
and internal lightning protection measures. Discharges oc-
cur both rural and densely populated areas, endan-
gering people, buildings and technical equipment.%
of
lightning
strikes
Lightning amplitude [kA] positive and negative lightning
Frequency lightning amplitude
1.1 Lightning
Lightning and surge voltages endanger people and
assets.
Several hundred million euros damage done
each year, especially result electrical surges. Lightning strikes Germany around two million
times year, and that figure rising.
Key data about lightning:
• 1,500,000,000 lightning strikes annually per year
• 2,000,000 lightning strikes Germany per year
• 450,000 instances surge voltage damage Ger-
many per year
• Surge voltage damage can occur over radius of
up from the location the lightning strike
• The majority lightning strikes are magnitude
between and kA
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10
Chapter General introduction
. protects
people from injury, structures from damage and elec-
trical equipment from failure due surge voltages
