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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">omna</journal-id><journal-title-group><journal-title xml:lang="ru">Омский научный вестник</journal-title><trans-title-group xml:lang="en"><trans-title>Omsk Scientific Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-8225</issn><issn pub-type="epub">2541-7541</issn><publisher><publisher-name>Омский государственный технический университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25206/1813-8225-2023-188-84-92</article-id><article-id custom-type="edn" pub-id-type="custom">WQGZWB</article-id><article-id custom-type="elpub" pub-id-type="custom">omna-250</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЭНЕРГЕТИКА И ЭЛЕКТРОТЕХНИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ENERGY AND ELECTRICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Анализ длительно допустимых токов и потерь активной мощности в воздушных линиях электропередачи с учетом климатических факторов</article-title><trans-title-group xml:lang="en"><trans-title>The analysis of continuous admissible currents and active power losses in overhead power lines taking into account climatic factors</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Петрова Елена Владимировна - старший преподаватель кафедры «Электроснабжение промышленных предприятий» ОмГТУ.</p><p>Омск</p><p>AuthorID (РИНЦ) 685250</p></bio><bio xml:lang="en"><p>Elena V. Petrova - Senior Lecturer of Power Supply for Industrial Enterprises Department, Omsk State Technical University (OmSTU).</p><p>Omsk</p><p>AuthorID (RSCI) 685250</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гиршин</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Girshin</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гиршин Станислав Сергеевич - кандидат технических наук, доцент (Россия), доцент кафедры «Электроснабжение промышленных предприятий» ОмГТУ.</p><p>Омск</p><p>AuthorID (РИНЦ) 297584</p><p>AuthorID (SCOPUS) 57190579930</p></bio><bio xml:lang="en"><p>Stanislav S. Girshin - Candidate of Technical Sciences, Associate Professor, Associate Professor of Power Supply for Industrial Enterprises Department, OmSTU.</p><p>Omsk</p><p>AuthorID (RSCI) 297584</p><p>AuthorID (SCOPUS) 57190579930</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Криволапов</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivolapov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Криволапов Владислав Александрович - аспирант кафедры «Электроснабжение промышленных предприятий» ОмГТУ.</p><p>Омск</p></bio><bio xml:lang="en"><p>Vladislav A. Krivolapov - Graduate Student of Power Supply for Industrial Enterprises Department, OmSTU.</p><p>Omsk</p></bio><email xlink:type="simple">krivolapov_vladislav@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горюнов</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Goryunov</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Горюнов Владимир Николаевич - доктор технических наук, профессор (Россия), заведующий кафедрой «Электроснабжение промышленных предприятий» ОмГТУ.</p><p>Омск</p><p>AuthorID (РИНЦ) 302109</p><p>AuthorID (SCOPUS) 7003455231</p></bio><bio xml:lang="en"><p>Vladimir N. Goryunov - Doctor of Technical Sciences, Professor, Head of Power Supply for Industrial Enterprises Department, OmSTU.</p><p>Omsk</p><p>AuthorID (RSCI) 302109</p><p>AuthorID (SCOPUS) 7003455231</p></bio><email xlink:type="simple">vladimirgoryunov2016@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Троценко</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Trotsenko</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Троценко Владислав Михайлович - старший преподаватель кафедры «Электроснабжение промышленных предприятий» ОмГТУ.</p><p>Омск</p><p>AuthorID (РИНЦ) 889516</p></bio><bio xml:lang="en"><p>Vladislav M. Trotsenko - Senior Lecturer of Power Supply for Industrial Enterprises Department, OmSTU.</p><p>Omsk</p><p>AuthorID (RSCI) 889516</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Омский государственный технический университет<country>Россия</country></aff><aff xml:lang="en">Omsk State Technical University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2023</year></pub-date><volume>0</volume><issue>4</issue><fpage>84</fpage><lpage>92</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Петрова Е.В., Гиршин С.С., Криволапов В.А., Горюнов В.Н., Троценко В.М., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Петрова Е.В., Гиршин С.С., Криволапов В.А., Горюнов В.Н., Троценко В.М.</copyright-holder><copyright-holder xml:lang="en">Petrova E.V., Girshin S.S., Krivolapov V.A., Goryunov V.N., Trotsenko V.M.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://onv.omgtu.ru/jour/article/view/250">https://onv.omgtu.ru/jour/article/view/250</self-uri><abstract><p>Представлены формулы для расчета длительно допустимых токов и потерь активной мощности для воздушных линий электропередачи в условиях естественной и вынужденной конвекции для изолированных и неизолированных проводников. Корректное определение максимальных токовых нагрузок играет важную роль в эффективном использовании нагрузочной способности линий электропередачи, а уточнение расчета потерь активной мощности является основой для повышения экономичности передачи энергии. Полученные результаты могут быть использованы при выборе мероприятий, направленных на увеличение пропускной способности воздушных линий и снижение потерь энергии.</p></abstract><trans-abstract xml:lang="en"><p>Formulas for calculating continuous admissible currents and active power losses for overhead power transmission lines under conditions of natural and forced convection for insulated and non-insulated conductors are presented. The correct determination of maximum current loads plays an important role in the efficient use of the load capacity of power transmission lines, and the refinement of the calculation of active power losses is the basis for increasing the efficiency of energy transmission. The results obtained can be used in the selection of measures aimed at increasing the capacity of overhead lines and reducing energy losses.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>воздушные линии электропередачи</kwd><kwd>температура провода</kwd><kwd>уравнение теплового баланса</kwd><kwd>потери активной мощности</kwd><kwd>температурная зависимость сопротивления</kwd><kwd>длительно допустимый ток</kwd></kwd-group><kwd-group xml:lang="en"><kwd>overhead power lines</kwd><kwd>wire temperature</kwd><kwd>heat balance equation</kwd><kwd>active power losses</kwd><kwd>temperature dependence of resistance</kwd><kwd>continuous admissible current</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Energy Outlook 2022 // bp. 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