Lightning protection guide by OBO

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Last revision 2020

Vydal: OBO BETTERMANN s. r. o. Autor: OBO BETTERMANN

Strana 10 z 288

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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 TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 10 Chapter General introduction .1 Lightning Lightning and surge voltages endanger people and assets.% of lightning strikes Lightning amplitude [kA] positive and negative lightning Frequency lightning amplitude 1. Lightning strikes Germany around two million times year, and that figure rising. 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. protects people from injury, structures from damage and elec- trical equipment from failure due surge voltages. Several hundred million euros damage done each year, especially result electrical surges