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