Abstract
A simplified method for estimating the lightning
performance of overhead transmission lines has been
evaluated, modified to incorporate newly available
information on lightning characteristics, checked
against existing line performance, and coded as a
simple Fortran computer program by the Working Group.
This paper provides the basic characteristics of the
method, highlights the changes made from its originally
published form, and identifies a few ranaining
limitations. Canparisons with actual line performance
are given, together with some general purpose
estimating curves. Ongoing studies directed toward
further improvanents to the method are reviewed.
Future updates to this publication are intended.
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