Technical brochure
TB 839 WG C4.23

Procedures for Estimating the Lightning Performance of Transmission Lines – New Aspects and Guide to procedures for estimating the lightning performance of transmission lines

Lightning remains one of the main causes of outages on transmission lines even though it has been studied extensively since the beginnings of power transmission. Over the years several approaches have been formalized to aid engineers in optimizing line designs for lightning performance.

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System technical performance

This Technical Brochure has been created by a Working Group from the CIGRE System technical performance Study Committee which is one of CIGRE's 16 domains of work.
The scope of SC C4 covers system technical performance phenomena that range from nanoseconds to many hours. SC C4 has been engaged in the following topics: Power Quality, EMC/EMI, Electromagnetic Transients and Insulation Coordination, Lightning, Power Systems Dynamics Performance, and Numerical Analysis. Study Committee C4 deals with methods and tools for analysis related to the technical performance of power systems, with particular reference to dynamic and transient conditions and to the interaction between the power system and its apparatus/sub-systems, between the power system and external causes of stress and between the power system and other installations.

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