IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Special Issue Paper
Assessment of the Lightning Performance of Compact Overhead Distribution Lines
Fabio NapolitanoAlberto BorghettiDavide MessoriCarlo Alberto NucciManuel Luis Barreira MartinezGustavo Paiva LopesJuliana Izabel Lara Uchôa
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2013 Volume 133 Issue 12 Pages 987-993

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Abstract

The assessment of the lightning performance of a compact configuration of MV overhead lines that is expected to be adopted in the near future by an electricity distribution company in a Brazilian region characterized by high keraunic levels is presented. The compact configuration is characterized by the presence of an unenergized wire that has the main function to sustain the spacers of the phase conductors. As the wire could be periodically grounded, the paper analyses its effectiveness in reducing the overvoltages due to indirect lightning. The results are compared with those relevant to a conventional configuration of MV overhead lines now adopted by the same distribution company. The effects of the presence of surge arresters along the line are also analysed.

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© 2013 by the Institute of Electrical Engineers of Japan
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