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1. Analysis of grounding systems and lightning overvoltages in a 69 kV line in Maceió, Brazil

Author

Adi Neves Rocha, Alexsandro Aleixo Pereira da Silva, Adriano Nogueira da Silva Filho, Jose Moraes Gurgel Neto, Jobson De Araújo Nascimento, Luiz Hilton de Moraes Amancio, and Regina Maria de Lima Neta

Subjects
Ground, Transmission line, Soil resistivity, Arc flash, Environmental science, Lightning, Electrical conductor, Line (electrical engineering), Marine engineering
Abstract

In this work is presented in a simulated environment, the analysis of the required length of conterpoise cable connected to the ground rod in a transmission line located in Maceio, Brazil, capable of avoiding the phenomenon known as back flashover, in other words, the disruptive discharges of return in the chain of insulators when subjected to standardized atmospheric discharges considering some values of soil resistivity and some types of arrangement of geometric arrangements of grounding systems.

Published
2017

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