<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper presents a method of the simulation of the pipeline potential shift produced by D.C. traction stray currents which are stochastic in character. The calculation model presented is based on the deterministic model used in the earth-return circuit theory combined with the non-deterministic approach based on the Monte Carlo procedure. The model of the equivalent rail with current energization and the concept of superposition allow one to consider more complicated D.C. railway systems using a segmental approximation of the complex railway route and taking into account a number of substations and loads at any location. A locomotive position and a load current are assumed to be independent random variables in the non-deterministic approach. Using simulation program developed random characteristics of a pipeline response e.g. maximum, minimum, median and mean values can be obtained. Hence the pipeline regions more exposed to corrosion risk can be determined.</p></abstract>

The paper presents a method of the simulation of the pipeline potential shift produced by D.C. traction stray currents which are stochastic in character. The calculation model presented is based on the deterministic model used in the earth-return circuit theory combined with the non-deterministic approach based on the Monte Carlo procedure. The model of the equivalent rail with current energization and the concept of superposition allow one to consider more complicated D.C. railway systems using a segmental approximation of the complex railway route and taking into account a number of substations and loads at any location. A locomotive position and a load current are assumed to be independent random variables in the non-deterministic approach. Using simulation program developed random characteristics of a pipeline response e.g. maximum, minimum, median and mean values can be obtained. Hence the pipeline regions more exposed to corrosion risk can be determined.

Simulation of pipeline random response to stray currents effects produced by D.C. traction system

Instytut Elektrotechniki i Elektroniki Przemysłowej, Wydział Elektryczny

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The paper presents a method of the simulation of the pipeline potential shift produced by D.C. traction stray currents which are stochastic in character. The...

Simulation of pipeline random response to stray currents effects produced by D.C. traction system

Online veröffentlicht: 21. Mai 2020

Seitenbereich: 157 - 170

Eingereicht: 25. Sept. 2018

DOI: https://doi.org/10.4467/2353737XCT.18.153.9101

Schlüsselwörter
D.C. traction, complex geometry, stochastic stray currents, earth return circuit, pipeline potential shift, simulation, Monte Carlo method

© 2019 Jan Szymenderski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Simulation of pipeline random response to stray currents effects produced by D.C. traction system

Online veröffentlicht: 21. Mai 2020

Seitenbereich: 157 - 170

Eingereicht: 25. Sept. 2018

DOI: https://doi.org/10.4467/2353737XCT.18.153.9101

SchlüsselwörterD.C. traction, complex geometry, stochastic stray currents, earth return circuit, pipeline potential shift, simulation, Monte Carlo method

© 2019 Jan Szymenderski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Schlüsselwörter
D.C. traction, complex geometry, stochastic stray currents, earth return circuit, pipeline potential shift, simulation, Monte Carlo method