The study of weather conditions favourable to the accretion of icing that pose a threat to transmission power lines

Michał Tomaszewski, Bogdan Ruszczak, Paweł Michalski and Sławomir Zator

International Journal of Critical Infrastructure Protection, 2019, vol. 25, issue C, 139-151

Abstract: In order to prevent power failures caused by atmospheric phenomena you need to identify where such phenomena occur and to explore the scale of impact thereof on individual elements of the power grid infrastructure. It is important to create IT systems which automate the process of evaluating the current state of the power line based on historical data. The paper presents the results of an extended analysis of historical meteorological data in order to investigate conditions favourable to the adhesion and accretion of icing on power lines, which is one of the most common causes of failures triggered by wet snow and freezing rain precipitation. An additional aim of the analysis was to detail and verify the prior research. To that end, the information retrieved and analysed measuring locations where the favourable conditions were investigated has been significantly increased. This article compares two ways of data processing for determining the conditions that lead to icing of power lines, i.e. an algorithm that takes into account the specific ambient temperature, wind velocity and type of precipitation (TWP) and the combined methods for determining wet snow and freezing rain precipitation based on an analysis of wet-bulb temperature and type of precipitation (WS+FR). Additionally, detailed analyses were presented of atmospheric conditions recorded in selected locations (Katowice, Kraków) during the occurrence of significant power failures.

Keywords: Atmospheric precipitation; Power overhead lines; Fault diagnosis; Transmission lines (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ijocip:v:25:y:2019:i:c:p:139-151

DOI: 10.1016/j.ijcip.2019.04.001

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