Lightning protection - HUBER+SUHNER - #15

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Text version of the page
Introduction HUBER+SUHNER 11 Induction circuit Electromagnetic interference of nearby lightning hits or even the LPS itself RF/Data Bonding bar Power supply Earth termination system Magnetic field coupling The lightning current of near-hits or even a downconducted one of the existing LPS (Lightning Protection System) induces surge currents and voltages in any effective electrical loop. This is determined by the average steepness of the lightning current as well and follows the formula: U = –M * diL/dt (M for mutual inductance) Electric field coupling The effects of the high and changing electrical field strength right before the hit occurs is normally negligible when considering a minimum of protection measures. i

pageCatalog pdf di En 2012-05-21-21