Technical brochure
TB 855 WG C4.39

Effectiveness of line surge arresters for lightning protection of overhead transmission lines

The importance of lightning protection of overhead lines increases with social demand for power supply quality. Applying metal-oxide surge arresters to overhead transmission lines became a state-of-art technique for lightning protection; however, more knowledge and further experiences to utilize arresters still needs to be shared among the engineers worldwide. The Technical Brochure by WG C4.39 intends to provide such information for the more effective implementation.

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C4

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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