Simulation of stray currents generated by DC electric traction

• Autorzy: Budnik K. , Machczyński W. , Szymenderski J.
• Konferencja: Computer Applications in Electrical Engineering (20-21.04.2015 ; Poznań, Polska)
• Języki publikacji: EN

Abstrakty

EN

The paper presents two methods of the 3D simulation of the primary scalar potential of the electric flow field produced in the earth by d.c. traction stray currents. In the first method the equivalent rail is considered as an earth return circuit with distributed parameters, whereas in the second method the rail is treated as a circuit with lumped parameters. It is assumed in the paper that the system considered is linear, that the earth is homogeneous medium of finite conductivity and that the effects of currents in nearby underground metal installations on the potential generated in the earth by track currents (primary earth potential) can be disregarded. An extensive parametric analysis to examine the roles of various factors, which affect the primary earth potential caused by stray currents, may be performed using simulation program developed. The technical application of the method presented, which can be useful at design stage e.g. of metal structures buried in the stray currents

Słowa kluczowe

EN

stray currents; d.c. traction; earth return circuit; earth scalar potential; simulation

• Wydawca: Wydawnictwo Politechniki Poznańskiej
• Czasopismo: Poznan University of Technology Academic Journals. Electrical Engineering
• Rocznik: 2015
• Tom: No. 82
• Strony: 67--76
• Opis fizyczny: Bibliogr. 10 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

• [1] Dziuba W.: Sieć powrotna i prądy błądzące. Wydawnictwo Książkowe Instytutu Elektrotechniki, Warszawa 1995.
• [2] Krakowski M.: Obwody ziemnopowrotne. Warszawa, WNT 1979.
• [3] Sunde E.D.: Earth conduction effects in transmission system. New York, Dover 1968.
• [4] Strizhevskij J.V.: Theory and calculation of drainage and cathodic protection of pipelines against stray currents corrosion. (in Russian), Gostoptechizdat., Moskva 1963.
• [5] Machczyński W.: Oddziaływania elektromagnetyczne na obwody ziemnopowrotne - rurociągi podziemne. Wydawnictwo Politechniki Poznańskiej, Poznań 1998.
• [6] Machczyński W.: Currents and potentials in earth return circuits exposed to alternating current electric railways. Proc. IEE, Part B, Vol. 129, 5, (1982), 279-288.
• [7] Machczyński W.: "Obwody ziemnopowrotne w polu elektrycznym prądów błądzących". Przegląd Elektrotechniczny, nr 8, 2002, 535-540.
• [8] Machczyński W.: Simulation model for drainage protection of earth–return circuits laid in stray currents area; Electrical Engineering (pp. 165–172), vol. 84, No 3, July 2002
• [9] Czarnywojtek P., Machczyński W.: Computer simulation of responses of earth-return circuits to the a.c. and d.c. external excitation. European Transactions on Electrical Power, ETEP, Vol. 13, No. 3, May/June 2003, pp. 173-184.
• [10] Machczyński W., Czarnywojtek P.: Computer simulation of a protection of underground conductors against stray currents. 16th International Corrosion Congress, September 19 – 24, 2005, Beijing, China, paper 21-03, pp. 1-8.