Title :
Non-linear behaviour of LEMP excited power lines terminated on surge-arresters
Author :
Andreotti, A. ; De Martinis, U. ; Maffucci, A. ; Miano, G. ; Verolino, L.
Author_Institution :
Dipt. di Ingegneria Elettrica, Unv. Federico II di Napoli, Italy
Abstract :
The transient analysis of non-linearly loaded power lines is carried out. The line is excited by indirect lightning and the analysis is performed in the time domain, where the line is represented as an equivalent dynamic m-port and the effects of the lightning excitation are taken into account through equivalent independent sources. The analysis has been carried our taking into account the effects of the finite ground conductivity. Furthermore, an accurate model has been used for the non-linear surge-arresters, to take into account dynamic effects
Keywords :
arresters; electrical conductivity; electromagnetic coupling; electromagnetic fields; electromagnetic induction; electromagnetic pulse; equivalent circuits; lightning; lightning protection; power overhead lines; time-domain analysis; transient analysis; transmission line theory; LEMP excited power lines; accurate model; dynamic effects; electromagnetic fields; equivalent dynamic m-port; equivalent independent sources; field-to-line coupling model; finite ground conductivity; indirect lightning; induced voltage; lightning excitation effects; nonlinear behaviour; nonlinear surge-arresters; nonlinearly loaded power lines; numerical simulations; surge-arresters; three-phase line; time domain analysis; time-domain equivalent circuit; transient analysis; Arresters; Frequency domain analysis; Lightning; Performance analysis; Power system modeling; Power system simulation; Power transmission lines; Propagation losses; Surges; Time domain analysis;
Conference_Titel :
Electromagnetic Compatibility, 1999 IEEE International Symposium on
Conference_Location :
Seattle, WA
Print_ISBN :
0-7803-5057-X
DOI :
10.1109/ISEMC.1999.810094
