contact lines of railways, maintenance and diagnostics, interaction of OCL with pantographs


A resource saving approach is considered on transition from the maintenance of the overhead contact line (OCL) on a base of existing standards to a condition based maintenance when the complex diagnostics of its elements can give a significant effect. To improve the quality of diagnostics and to provide an advanced services, it is necessary to develop and refine the models of failures, loads, interactions of the OCL and pantographs and the interconnection of models, theory and methods of operation that cover the whole life cycle of the OCL.

The interaction of OCL with pantographs is an extremely specific and complex process which involves both systems with distributed parameters and systems which have conditionally concentrated parameters. Such complexity of a given process is making researchers to implement and constantly improve mathematical modeling methods. An overview of existing imitating models will give an understanding of an approach for using proper models in design and analysis of OCL behavior. Models that take into account the distributed parameters and a large number of external factors are definitely worth of being implemented.

Using a modern means of OCL diagnostics based on a non-contact stereoTV and infra-red systems together with an OCL-pantograph contact dynamic system all being synchronized with a video with a subsequent computer processing is a new source of data that were obtained and clarified during an inspection trips on a new modern laboratory-car. The results of the measurement of the contact pressure prove an interconnection between a quality adjustments of the suspension with a quality of the process of collecting current by pantograph.

A combination of experimental and simulated dependencies of the contact pressure at different velocities in the spans of the anchor sections shows a great opportunity for sustainable development of current collecting quality. Proposed development of such models based on frequency-dependent finite elements analysis and structuring of mechanical and electrical parts of the anchor spans of graphs, that allows to define the parameters OCL considering a thermal wear.

Author Biographies

V. Domanskiy, O.M. Beketov National University of Urban Economy in Kharkiv

Doctor of Technical Sciences, Professor

K. Pereverzyev, «DAK-ENERGETIKA» LLC

director of the representative office in Kyiv


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How to Cite

Domanskiy, V., & Pereverzyev, K. (2019). MODELING AND EXPERIMENTAL STUDIES OF THE INTERACTION BETWEEN THE CONTACT LINE AND PANTOGRAPHS: Array. Municipal Economy of Cities, 1(147), 146–157. Retrieved from