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Assessment of Electrical Safety Conditions in the Case of Using Overhead Catenary Supports as Natural Grounding Electrodes

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Abstract

This paper presents a low-maintenance system of grounding overhead catenary supports by using reinforced concrete supports and foundations as natural grounding electrodes. An algorithm is elaborated for choosing the optimal length of a group-grounding cable. This algorithm takes into account the system resistance, electromagnetic influences, permissible density of the current flowing from the overhead catenary support hardware, and electrical safety conditions. A simulation model is created that allows monitoring and analyzing electrical safety conditions when running the grounding system with overhead catenary supports as natural grounding electrodes. The correctness of the model’s performance is confirmed by experimentation.

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REFERENCES

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  5. Kvashchuk, V.A., Kondrat’ev, Yu.V., Kremlev, I.A., and Terekhin, I.A., Experimental tests of electrical safety conditions on a section of an AC traction network operated without grounding of the contact network supports on rail, Vestn. Irkutsk. Gos. Tekh. Univ., 2016, no. 2 (109).

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Authors and Affiliations

  1. Emperor Alexander I St. Petersburg State Transport University, 190031, St. Petersburg, Russia

    T. S. Titova, T. P. Satsuk & I. A. Terekhin

  2. Omsk State Transport University, 644046, Omsk, Russia

    I. V. Tarabin

Authors
  1. T. S. Titova
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  2. T. P. Satsuk
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  3. I. A. Terekhin
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  4. I. V. Tarabin
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Corresponding author

Correspondence to T. S. Titova.

Additional information

Translated by S. Kuznetsov

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Titova, T.S., Satsuk, T.P., Terekhin, I.A. et al. Assessment of Electrical Safety Conditions in the Case of Using Overhead Catenary Supports as Natural Grounding Electrodes. Russ. Electr. Engin. 92, 63–67 (2021). https://doi.org/10.3103/S1068371221020097

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  • DOI: https://doi.org/10.3103/S1068371221020097

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