Title :
EM lightning channel´s effects on ground systems
Author :
Amoruso, V. ; Lattarulo, F. ; Geri, A. ; Veca, G.M.
Author_Institution :
Dipartimento di Elettrotecnica e di Elettronica, Politecnico di Bari, Italy
Abstract :
The influence of the lightning channel on the transient nonlinear behavior of ground systems is investigated. The analysis has been made combining a transmission line model of the lightning channel (assumed to be vertical with a cross-section exponentially contracted from ground to cloud) with a lumped nonlinear parameter model of ground systems (affected by possible ionization phenomena due to high impulsive currents). The proposed analysis leads to an easy estimation of fast potential transients on concentrated ground electrodes, struck directly by a thunderbolt
Keywords :
earthing; electromagnetic interference; lightning; lumped parameter networks; nonlinear network analysis; transmission line theory; cloud; concentrated ground electrodes; fast potential transients; ground systems; high impulsive currents; ionization phenomena; lightning channel; lumped nonlinear parameter model; thunderbolt; transient nonlinear behavior; transmission line model; Current distribution; Electrodes; Grounding; Ionization; Lightning; Optical propagation; Power system transients; Protection; Shape; Transmission lines;
Conference_Titel :
Electromagnetic Compatibility, 1993. Symposium Record., 1993 IEEE International Symposium on
Conference_Location :
Dallas, TX
Print_ISBN :
0-7803-1304-6
DOI :
10.1109/ISEMC.1993.473691
