Table of Contents
1Scope
2References
3Definitions
4Abbreviations
5Referenceconfiguration
6Protectivemeasures
6.1Inherentprotection
6.2Primaryprotection
6.3Bonding,earthingandshielding
7Expectedsurgesduetolightning
7.1Directlightningflashestoastructure(sourceof
damageS1):Lightningcurrentflowingthrough
telecommunicationorsignallinglinesenteringthe
structure(exchangeorcustomer'sbuildingorremote
site)
7.2Lightningflashesnear,orto,astructure(sourceof
damageS1orS2):Inducedsurgesintelecommunication
orsignallinglinesinsidethestructure(exchangeor
customer'sbuildingorremotesite)
7.3Directlightningtothetelecommunicationorsignalling
lines
7.4Lightningflashesneartelecommunicationlines
AnnexA-Inducedsurgesinsidethestructureduetolightning
near,orto,thestructure
A.1General
A.2Lightningnearthestructure
A.3Lightningtothestructure
AnnexB-Inducedsurgesontelecommunicationlinesdueto
lightningneartheline:Perfectlyconductingsoil
AppendixI-Inducedsurgesinsidethestructuredueto
lightningnear,orto,thestructure:Experimental
setupandresults
I.1Introduction
I.2Theoreticalmodel
I.3Experimentaltestsiteandtestset-up
BIBLIOGRAPHY Abstract
Provides the characteristics (waveshapes and peak values) of the expected surges (overvoltages and overcurrents) due to lightning on telecommunication lines of the access network and on signalling lines at customers' premises using metallic conductors.
