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Transmission Capacity of Gas-Insulated Power Lines Laid in Earthen Trenches

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Power Technology and Engineering Aims and scope

One of the main problems in electrical supply for large cities is the absence of corridors for overhead transmission lines. This problem can be solved by using gas-insulated lines (GIL) laid in earthen tranches. With earthen deposition, the transmission capacity of GIL will be affected by the depth of deposition and by the temperature and thermal resistance of the soil. Amethod is proposed for calculating the long-term permissible current of an underground GIL that takes the external conditions into account. Calculations for a specific GIL design are reported and the results are analyzed.

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Authors and Affiliations

  1. Vyatka State University, Kirov, Russia

    A. P. Vikharev

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  1. A. P. Vikharev
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Correspondence to A. P. Vikharev.

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Translated from Élektricheskie Stantsii, No. 11, November 2018, pp. 28 – 33.

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Vikharev, A.P. Transmission Capacity of Gas-Insulated Power Lines Laid in Earthen Trenches. Power Technol Eng 53, 101–105 (2019). https://doi.org/10.1007/s10749-019-01043-7

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  • DOI: https://doi.org/10.1007/s10749-019-01043-7

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