Abstract
The paper presents an industry-validated technique for analysing the technical state of overhead power transmission lines and forecasting their residual life with the ability to predict their repairs and maintenance schedule. The authors propose a new approach to overhead lines technical state identification based on the analysis of its components: towers, conductors and insulation nodes. Also, within the study, an indirect method for assessing the wear indicator of overhead power transmission lines has been developed, taking into account the previously carried out replacement of its elements and components. The feasibility of extending the life of the overhead power transmission line components based on residual life assessment methods is justified. The developed methodology is intended to energy utilities as well as to engineering supervision organisations performing overhead power transmission lines surveys. Novel recommendations are formulated to assess the overhead transmission lines wear.
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