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Bezridnyi E. S., Buyakova N. V., Kryukov A. V. Modelirovanie elektromagnitnykh polei, sozdavaemykh tyagovymi setyami pri dvizhenii vysokoskorostnykh i tyazhelovesnykh poezdov [Modeling of electromagnetic fields created by traction networks during the motion of high-speed and heavy trains]. Sovremennye tekhnologii. Sistemnyi analiz. Modelirovanie [Modern Technologies. System Analysis. Modeling], 2019. Vol. 63, No. 3, pp. 60–69. DOI: 10.26731/1813-9108.2019.3(63).60–69

Journal number: 
621.311, 621.331


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The article presents computer technology for modeling electromagnetic fields in traction networks of railways during the motion of high-speed and heavy trains. The motion of this kind of trains is accompanied by an increase in traction loads, which can lead to a deterioration of the electromagnetic environment in traction networks. Important parameters characterizing the electromagnetic environment are the strengths of the electric and magnetic fields. Therefore, the task of determining the strengths when creating polygons of high-speed and heavy traffic becomes relevant. Methods and tools of modeling the modes of traction power supply systems based on phase coordinates, developed at Irkutsk State Transport University, make it possible to determine the strengths of electromagnetic fields in the process of calculating the mode. The results of computer modeling allowed us to formulate the following conclusions: when high-speed trains are moving, there is an increase in voltage drops in the traction network, which results in a slight decrease (by 0,3 %) of the maximum electric field strengths; average values of this indicator grow by 0,2 % due to the increase in time intervals in which there were no trains in the inter-substation zones; a significant increase in traction loads during the motion of Sapsan electric trains leads to a twofold increase in the magnetic field strengths and deterioration in the electromagnetic environment for this indicator; when expanding the polygons and the amount of high-speed traffic, measures should be planned to improve the conditions of electromagnetic safety on passenger platforms; train masses ambiguously affect the dependence of field strengths on time when trains move on the ascending grade; this is due to increase in inter-train intervals with growth in the mass of trains; the largest fluctuations in strengths are observed for trains with maximum mass; an increase in the electric field strength and a decrease in the magnetic field strength at the end of the simulation time interval is due to the departure of the bunch of trains from the considered inter-substation zone.

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