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On the Refinement of Calculations of Load Losses of Electricity in the Wires of Overhead Power Lines

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Abstract

In this paper, we study the possibility of increasing the accuracy of calculating load losses of electricity in the wires of overhead power transmission lines with a voltage of 35–220 kV. In “traditional” calculations, some factors that determine the accuracy of loss determination are not taken into consideration. One of them is the effect of weather conditions. The need to take into account meteorological factors are noted in the normative documents. However, existing methods are complex, computationally voluminous, and require comprehensive weather information. Therefore, they cannot be used for engineering calculations. Here, we estimate the values ​​of the correction coefficients allowing to take into account the weather conditions in the calculations and thereby reduce the error in determining the load loss of electricity in the wires of overhead power lines at a minimal amount of source data.

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REFERENCES

  1. Prikaz Ministerstva energetiki RF ot 30 dekabrya 2008 goda no. 326 “Ob organizatsii v Ministerstve energetiki Rossiiskoi Federatsii raboty po utverzhdeniyu normativov tekhnologicheskikh poter’ elektroenergii pri ee podache po elektricheskim setyam” (s izmeneniyami ot 1 fevralya 2020 goda) (Order of the Ministry of Energy of the Russian Federation No. 326 of December 30, 2008 “On Approval of Standards of Technological Losses of Electrical Power during Transmission in Electrical Networks” (with Changes on February 1, 2010)), Moscow, 2008.

  2. Zarudskii, G.K., Shvedov, G.V., Azarov, A.N., and Samalyuk, Yu.S., The influence of meteorological conditions on the active resistance of wires of overhead power lines, Vestn. Mosk. Energ. Inst., 2014, no. 3.

  3. Zarudskii, G.K., Zinner, L.E., and Syromyatnikov, S.Yu., Calculation of the temperature of the wires of the overhead UHV powerlines based on the criterial planning, Vestn. Mosk. Energ. Inst., 1997, no. 1.

  4. Zarudskii, G.K. and Syromyatnikov, S.Yu., Correction of expressions for calculation of the temperature of wires of overhead extra-high voltage power lines, Vestn. Mosk. Energ. Inst., 2008, no. 2.

  5. Shvedov, G.V. and Shchepotin, A.S., Analysis of errors in calculations of load losses of electricity in the wires of overhead power lines, Vestn. Mosk. Energ. Inst., 2017, no. 6.

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Authors and Affiliations

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

    G. V. Shvedov & A. S. Shchepotin

Authors
  1. G. V. Shvedov
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  2. A. S. Shchepotin
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Correspondence to G. V. Shvedov.

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Translated by A. Ivanov

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Shvedov, G.V., Shchepotin, A.S. On the Refinement of Calculations of Load Losses of Electricity in the Wires of Overhead Power Lines. Russ. Electr. Engin. 91, 398–402 (2020). https://doi.org/10.3103/S1068371220060103

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  • DOI: https://doi.org/10.3103/S1068371220060103

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