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Electric-Field Distribution in Current-Conducting Lines with Solid Insulation with a Voltage of 20 kV

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Abstract

The results of studies of the distribution of the electric field in a current-conducting line with a voltage of 20 kV are presented. The main stages of the calculation are preestablished, and the most computationally hard design areas of the current line are determined. A mathematical model is developed, and a simplified calculation of the distribution of the potential and the electric-field strength inside the insulating layer of the line is carried out. The nature of the electric-field strength variation in the insulating layer of the current-conducting line is determined, and conclusions are drawn about the appropriateness of the characteristics of the compound for practical use.

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REFERENCES

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  3. Kolechitskii, E.S., Raschet elektricheskikh polei ustroistv vysokogo napryazheniya (Calculation of Electric Fields of High-Voltage Devices), Moscow: Energoatomizdat, 1983.

  4. Shevchenko, S.Yu. and Okun’, A.A., Calculation methods of electric fields of high voltage installations, Elektrotekh. Elektromekh., 2010, no. 4.

  5. Varivodov, V.N., Kovalev, D.I., Krupenin, N.V., and Khrenov, S.I., Permissible electrical-field intensities in the epoxy cast insulation of a 6 to 110 kV switchgear, Russ. Electr. Eng., 2018, vol. 89, no. 5.

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ACKNOWLEDGMENTS

This work was done using equipment of the High-Voltage Research Complex Center for Collective Use of the Federal State Budgetary Educational Institution of Higher Professional Education “Moscow Power Engineering Institute.”

Funding

Financial support for the research at National Research University “Moscow Power Engineering Institute” for the development of innovative busducts for nominal voltage of 6–110 kV was provided by the Ministry of Science and Higher Education of the Russian Federation.

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Authors and Affiliations

  1. National Research University “Moscow Power Engineering Institute”, 111250, Moscow, Russia

    D. I. Kovalev, V. N. Varivodov, D. V. Golubev, S. S. Zhulikov & E. M. Voronkova

Authors
  1. D. I. Kovalev
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  2. V. N. Varivodov
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  3. D. V. Golubev
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  4. S. S. Zhulikov
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  5. E. M. Voronkova
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Corresponding author

Correspondence to D. I. Kovalev.

Additional information

Translated by F. Baron

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Kovalev, D.I., Varivodov, V.N., Golubev, D.V. et al. Electric-Field Distribution in Current-Conducting Lines with Solid Insulation with a Voltage of 20 kV. Russ. Electr. Engin. 92, 447–452 (2021). https://doi.org/10.3103/S1068371221080083

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  • DOI: https://doi.org/10.3103/S1068371221080083

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