The use of simulation modeling to evaluate efficiency makes it possible to strengthen traction power supply systems with interval regulation of train movement

The paper proposes the structure of a simulation model, a traction power supply system operating in conjunction with electric rolling stock, to perform multivariate calculations of the capacity of railway sections due to plans for the implementation of a project for introducing interval control technology for train traffic. To test the proposed model, an assessment was made of the peak powers of traction substations during the implementation of various train schedules using interval control on a double-track electrified section of the railway for the existing configuration of the traction power supply system and options for its strengthening. Using the example of a single-track section, it is shown that the use of the proposed simulation model will make it possible to evaluate options for constructing a traction power supply system for non-electrified sections with various promising train transit schemes. The proposed simulation model can be used to compare the technical and economic indicators of various options for strengthening the traction power supply system, modeling post-emergency situations and assessing the capacity of the traction power supply system when restoring the train schedule, and determining the minimum possible intervals between trains.

1. Decree of the President of the Russian Federation of May 7, 2018 No. 204 (as amended on July 19, 2018, July 21, 2020) “On the national goals and strategic objectives of the development of the Russian Federation for the period until 2024” // Base.garant : [website]. – URL: https://base.garant.ru/71937200 (date of access: 03/28/2023).

2. Igin, V. N. Eastern range dictates the conditions for traction / V. N. Igin // Lokomotiv. – 2021. – No. 12 (780). – P. 6–8. – ISSN 0869-8147.

3. Rozenberg, E. N. Interval control of train traffic / E. N. Rozenberg, A. A. Batraev, V. V. Abramov // Railway Transport. – 2017. – No. 9. – P. 19–24. – ISSN 0044-4448.

4. Olentsevich, V. A. Efficiency of implementation of interval regulation of train traffic according to the "virtual coupling" system on the section / V. A. Olentsevich, R. Yu. Upyr, A. A. Antipina // Modern technologies. System analysis. Modeling. – 2020. – Vol. 66, No. 2. – P. 182–189. – DOI 10.26731/1813-9108.2020.2(66).182–189.

5. Rosenberg, E. N. An integrated approach to solving the problem of increasing throughput capacity / E. N. Rosenberg, A. V. Ozerov, I. A. Panferov // Automation, communications, computer science. – 2022. – No. 8. – P. 2–6. – DOI 10.34649/AT.2022.8.8.001.

6. Keino, M. Yu. Electricity recovery potential in sections of the Eastern training ground of Russian Railways / M. Yu. Keino // Transport of the AsiaPacific region. – 2021. – No. 2 (27). – P. 3–8. – ISSN 2415-8658.

7. Cheremisin, V. T. Efficiency of using recovery energy on direct and alternating current railways : monograph / V. T. Cheremisin, M. M. Nikiforov, A. S. Wilhelm. – Omsk : Omsk State Transport University, 2018. – 216 p. – ISBN 978-5-94941183-4.

8. Wilhelm, A. S. Influence of transportation process technology on the operating efficiency of freight electric locomotives / A. S. Wilhelm, A. A. Komyakov, A. L. Kashtanov // News of the Transsib. – 2022. – No. 3 (51). – P. 126–135. – ISSN 2220-4245.

9. Nikiforov, M. M. The influence of the mass of trains and the size of train traffic on the efficiency of using recovery energy on sections of AC railways / M. M. Nikiforov, A. S. Wilhelm // Operational reliability of the locomotive fleet and increasing the efficiency of train traction : Materials of the IV All-Russian Scientific and Technical conference with international participation. – Omsk, 2018. – P. 129–139. – ISBN 978-5-94941216-9.

10. Wilhelm, A. S. Approbation of a calculation model of the traction power supply system for DC railways to assess the energy efficiency potential of regenerative braking / A. S. Wilhelm, V. I. Gutnikov, M. M. Nikiforov // Izvestia Transsib. – 2014. – No. 1(17). – P. 50–57. – ISSN 2220-4245.

11. Patent No. 2641537 C2 Russian Federation, IPC B60L 3/12, G01R 21/133, G06F 17/50. A method for determining the energy indicators of train movement and traction power supply system / A. S. Wilhelm, A. A. Komyakov, V. L. Nezevak [et al.]. – No. 2016119647 ; application 05/20/2016 ; publ. 01/18/2018 ; Bul. No. 2. – 18 p.

12. Komyakov, A. A. Development of an algo- rithm for joint traction and electrical calculations, taking into account the characteristics and parameters of sections and the train situation / A. A. Komyakov, A. S. Wilhelm, A. I. Shkulov // Izvestia Transsib. – 2021. – No. 3 (47). – P. 106– 115. – ISSN 2220-4245.