Abstract
Changes in the wind regime over the territory of Russia are considered, and the impact of these changes on the accident rate of overhead power lines (OPLs) is analyzed. Based on the current data of meteorological observations of Roshydromet of Russia and the statistics of PAO Rosseti, the authors calculated the observed changes in extreme wind speeds over the past forty years and estimated their relationship with the number of overhead line accidents for Kuban, Bashkiria, and Transbaikalia. It was found that climatic changes over the territory of Russia in recent decades have led to a reduction in the maximum wind speeds in these regions, which favored a reduction in the accident rate of overhead power lines due to wind impact. However, an analysis of the dynamics of these changes using the data of the CMIP5 climate models indicates a recent change in this trend in a number of regions, which may lead to an increase in the number of overhead line accidents. To ensure the reliable operation of the power systems of Russia under conditions of climatic changes, further studies of changes in the wind regime over its territory are required.
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ACKNOWLEDGMENTS
This work used data of the PAO Rosseti (http://www.rosseti.ru) and its regional divisions and the All-Russia Research Institute of Hydrometeorological Information of Roshydromet (RIHMI-WDC, http://www.meteo.ru).
Funding
This work was supported by the Russian Foundation for Basic Research (project no. 20-08-00320) in the part concerning climate research and by the Russian Science Foundation (project no. 20-19-00721) in the part concerning energy calculations.
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Translated by E. Chernokozhin
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Klimenko, V.V., Kondratyeva, O.E., Tereshin, A.G. et al. Wind Regime Change over the Russian Territory and the Accident Rate of Overhead Power Lines. Dokl. Phys. 66, 80–87 (2021). https://doi.org/10.1134/S1028335821030034
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DOI: https://doi.org/10.1134/S1028335821030034