Polarization phenomenon in underground pipeline generated by stochastic stray currents from D.C. traction

• Autorzy: Budnik K. , Machczyński W. , Szymenderski J.

Identyfikatory

DOI

10.21008/j.1897-0737.2017.89.0010

• Konferencja: Computer Applications in Electrical Engineering (10-11.04.2017 ; Poznań, Polska)
• Języki publikacji: EN

Abstrakty

EN

D.C electrified traction systems are a potential source of stray currents. The important problem, technically, is to evaluate the harmful effects (electrolytic corrosion) that an electrified railway has on nearby earth–return circuits (e.g. pipelines). This phenomenon is stochastic and may aggravate electrochemical corrosion in different places depending on the position of the vehicle, the load current, soil parameters, etc. The electric circuit approach, based on the complete field method of solution of the transmission–line problem (the earth–return circuit theory), to model stray currents interference on extended structures is presented. The electrode kinetics (polarization phenomenon) is taken into account in the model developed. Random algorithm allows to explore the phenomenon of polarization for different cases, which allows for generalization of the conclusions regarding the risk of corrosion in the studied systems.

Słowa kluczowe

EN

stochastic stray currents; D.C. traction; earth return circuit; earth scalar potential; simulation; polarization phenomenon

• Wydawca: Wydawnictwo Politechniki Poznańskiej
• Czasopismo: Poznan University of Technology Academic Journals. Electrical Engineering
• Rocznik: 2017
• Tom: No. 89
• Strony: 111--122
• Opis fizyczny: Bibliogr. 21 poz., rys.

Twórcy

autor

Budnik K.

• Poznan University of Technology

autor

Machczyński W.

• Poznan University of Technology

autor

Szymenderski J.

• Poznan University of Technology

Bibliografia

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• [16] Machczyński W., Budnik K., Szymenderski J. 2016. „Assessment of d.c traction stray currents effects on nearby pipelines”. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, vol. 35, iss 4: 1468–1477.
• [17] Machczyński W., Budnik K., Szymenderski J. 2016. „Potential of the electric flow field produced in the earth by stray currents from d.c. traction of complex geometry”, Poznan University of Technology Academic Journals. Electrical Engineering, Issue 85: 29–40.
• [18] Machczyński W., Szymenderski J. 2016. “Stochastic stray currents effects on earth return circuits (underground pipelines)”, Ochrona przed Korozją, tom: 59, nr 8: 273–279.
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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).