Lightning protection guide by OBO

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Last revision 2020

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

Strana 20 z 288

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Particularly when production plants, lighting systems trans- formers are switched off, electrical equipment located in close proximity can damaged. 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 20 Chapter General introduction .Danger: galvanically coupled and line-carried surge voltage S4: Direct lightning strike supply line The proximity the lightning strike induces surge voltages cables. Switching surges and induced surge voltages lines account for the majority cases damage. Switching surges are additionally caused switch-on and switch-off operations, the switching inductive and capacitive loads, and by the interruption short circuit currents