Optimization of Surge Arrester Locations in Overhead Distribution Networks

Lightning is considered one of the main causes of faults in overhead distribution networks. Direct strokes usually lead to flashovers due to the insulation levels that are used. Induced overvoltages caused by indirect lightning are usually lower and can be efficiently reduced by metal-oxide surge ar...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2015-04, Vol.30 (2), p.674-683
Main Authors: Bullich-Massague, Eduard, Sumper, Andreas, Villafafila-Robles, Roberto, Rull-Duran, Joan
Format: Article
Language:English
Subjects:
Arresters
Electric power systems
Energies
Flashover
Lightning
Optimization
overvoltage
Sistemes de distribució d'energia elèctrica
Sociology
Statistics
surge arrester
Surges
Àrees temàtiques de la UPC
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Summary:Lightning is considered one of the main causes of faults in overhead distribution networks. Direct strokes usually lead to flashovers due to the insulation levels that are used. Induced overvoltages caused by indirect lightning are usually lower and can be efficiently reduced by metal-oxide surge arresters. Hence, its associated flashover rate can be reduced. In this paper, a heuristic method is proposed to optimize the number of surge arresters as well as their locations. The method presented is based on genetic algorithms and an economic approach is taken into account by means of evaluating the cost of insulation flashover.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2014.2312077