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Refined analysis of the limit modes of overhead power lines
- Authors: Girshin S.S.1, Deev V.A.1, Petrova E.V.1, Kropotin O.V.1, Krivolapov V.A.1, Goryunov V.N.1
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Affiliations:
- Omsk State Technical University
- Issue: Vol 192, No 4 (2024)
- Pages: 83-90
- Section: ENERGY AND ELECTRICAL ENGINEERING
- URL: https://bakhtiniada.ru/1813-8225/article/view/279180
- DOI: https://doi.org/10.25206/1813-8225-2024-192-83-90
- EDN: https://elibrary.ru/DEOERZ
- ID: 279180
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Abstract
The article analyzes the limiting modes of overhead power transmission lines in terms of heating and voltage losses. The equations linking the wire temperature, voltage loss, load power, cooling conditions and line parameters are obtained. Depending on the length, three characteristic regions can be distinguished in which the limiting modes are determined either only by heating, or only by voltage loss, or both. A combined limit mode is considered separately, in which the wire temperature and voltage loss simultaneously assume the maximum permissible values. New refined criteria for assessing the admissibility of the line mode have been obtained. As an example, the AC-240 line with a 220 kV voltage of varying length is considered, for which a number of dependencies characterizing the areas of existence and conditions for the occurrence of limit modes are constructed.
About the authors
Stanislav S. Girshin
Omsk State Technical University
Author for correspondence.
Email: vlad_deev@inbox.ru
SPIN-code: 1125-1521
Scopus Author ID: 57190579930
Candidate of Technical Sciences, Associate Professor, Associate Professor of Power Supply for Industrial Enterprises Department
Russian Federation, OmskVladislav A. Deev
Omsk State Technical University
Email: vlad_deev@inbox.ru
Undergraduate, gr. ЭЭм-231 of Power Supply for Industrial Enterprises Department
Russian Federation, OmskElena V. Petrova
Omsk State Technical University
Email: krivolapovvladislav1998@gmail.com
SPIN-code: 2750-7350
Senior Lecturer of Power Supply for Industrial Enterprises Department
Russian Federation, OmskOleg V. Kropotin
Omsk State Technical University
Email: krivolapovvladislav1998@gmail.com
ORCID iD: 0000-0002-6620-9945
Scopus Author ID: 6505835545
ResearcherId: H-4616-2013
Doctor of Technical Sciences, Professor, Head of Physics Department
Russian Federation, Omsk
Vladislav A. Krivolapov
Omsk State Technical University
Email: krivolapovvladislav1998@gmail.com
Graduate Student of Power Supply for Industrial Enterprises Department
Russian Federation, OmskVladimir N. Goryunov
Omsk State Technical University
Email: vladimirgoryunov2016@yandex.ru
SPIN-code: 2765-2945
Scopus Author ID: 7003455231
Doctor of Technical Sciences, Professor, Head of Power Supply for Industrial Enterprises Department
Russian Federation, OmskReferences
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