Modeling Effects of Stochastic Stray Currents from D.C. Traction on Corrosion Hazard of Buried Pipelines

Jan Szymenderski, Wojciech Machczyński and Krzysztof Budnik
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Jan Szymenderski: Institute of Electrical Engineering and Electronics, Faculty of Electrical Engineering, Poznan University of Technology, Piotrowo 3A, 60-965 Poznan, Poland
Wojciech Machczyński: Institute of Electrical Engineering and Electronics, Faculty of Electrical Engineering, Poznan University of Technology, Piotrowo 3A, 60-965 Poznan, Poland
Krzysztof Budnik: Institute of Electrical Engineering and Electronics, Faculty of Electrical Engineering, Poznan University of Technology, Piotrowo 3A, 60-965 Poznan, Poland

Energies, 2019, vol. 12, issue 23, 1-24

Abstract: The main problems discussed in the article concern the analysis of the phenomenon of stray currents generated by electric D.C. traction currents. These currents flow in the ground and, when they encounter an underground metal structure, can lead to the acceleration of electrochemical corrosion. There is a stochastic phenomenon that depends on many factors such as the position of the traction vehicle along the route or the current drawn by it from the traction network. The presented research concerns the use of probabilistic methods to analyze this phenomenon. The proposed algorithm allows determining the occurrence of electrochemical-pipeline corrosion risk for geometrically complex traction-pipeline systems, including many random variables and corrosion phenomena. The non-deterministic solution to such an interdisciplinary problem is an element of novelty.

Keywords: stochastic stray current; D.C. traction; Monte Carlo procedure; earth return circuits; stray current corrosion (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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