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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">ipolytech</journal-id><journal-title-group><journal-title xml:lang="ru">iPolytech Journal</journal-title><trans-title-group xml:lang="en"><trans-title>iPolytech Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2782-4004</issn><issn pub-type="epub">2782-6341</issn><publisher><publisher-name>Irkutsk National Research Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/1814-3520-2024-3-453-461</article-id><article-id custom-type="edn" pub-id-type="custom">NBWEBZ</article-id><article-id custom-type="elpub" pub-id-type="custom">ipolytech-845</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</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>POWER ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Применение нейросетевой модели для прогнозирования температуры изолированных проводов воздушных линий</article-title><trans-title-group xml:lang="en"><trans-title>A neural network model for predicting the temperature of insulated overhead lines</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-3880-7531</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Келембет</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kelembet</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Келембет Александр Александрович – аспирант.</p><p>644050, Омск, пр. Мира, 11</p></bio><bio xml:lang="en"><p>Aleksandr A. Kelembet - Postgraduate Student.</p><p>11 Mira pr., Omsk 644050</p></bio><email xlink:type="simple">alexandr.kelembet@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6004-0974</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бигун</surname><given-names>А. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Bigun</surname><given-names>A. Ya.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бигун Александр Ярославович - к.т.н., доцент кафедры радиоэлектроники и электроэнергетики.</p><p>628403, Сургут, пр. Ленина, 1</p></bio><bio xml:lang="en"><p>Aleksandr Ya. Bigun - Cand. Sci. (Eng.), Associate Professor of the Department of Radio Electronics and Electrical Power Engineering.</p><p>1 Lenin pr., Surgut 628403</p></bio><email xlink:type="simple">bigun_aya@surgu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Омский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Omsk State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Сургутский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Surgut State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>05</day><month>10</month><year>2024</year></pub-date><volume>28</volume><issue>3</issue><fpage>453</fpage><lpage>461</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Келембет А.А., Бигун А.Я., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Келембет А.А., Бигун А.Я.</copyright-holder><copyright-holder xml:lang="en">Kelembet A.A., Bigun A.Y.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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://ipolytech.elpub.ru/jour/article/view/845">https://ipolytech.elpub.ru/jour/article/view/845</self-uri><abstract><p>Целью работы является разработка нейросетевой модели на основе кривых нагрева и охлаждения изолированных проводов воздушных линий при изменении скорости ветра и его направления относительно оси провода, полученных экспериментальным путем. Объектом исследований выступают изолированные провода воздушных линий марки СИП-3. Для моделирования нагрева и охлаждения изолированного провода при разных скоростях ветра и его направлении была использована нейросетевая модель на основе многослойного перцептрона. В качестве критерия оценки результатов прогнозирования температуры жилы и изоляции провода была принята средняя абсолютная ошибка. Приведены основные параметры разработанной нейросетевой модели: количество скрытых слоев и нейронов в каждом из скрытых слоев, степень регуляции и регулирующая жесткость модели. По результатам моделирования построены прогнозируемые кривые нагрева и охлаждения изолированных проводов, которые в дальнейшем были сравнены с кривыми, полученными в ходе экспериментальных исследований. Получены следующие значения средней абсолютной ошибки: для прогнозируемой температуры жилы средняя абсолютная ошибка составила 1,74°C, а для прогнозируемой температуры изоляции – 4,08°C. Установлено, что разность между кривыми нагрева при малых скоростях ветра находится в пределах 9°C. Показано, что при увеличении скорости ветра разность между кривыми уменьшается. Таким образом, анализ полученных результатов показал, что для повышения точности прогнозирования при помощи нейросетевой модели требуется более широкий перечень входящих параметров для обучения модели. Только в таком случае разность между экспериментальными данными и полученными при помощи разрабатываемой модели может составить менее 5%.</p></abstract><trans-abstract xml:lang="en"><p>In this work, we develop a neural network model based on experimental heating and cooling curves of insulated wires of overhead lines under changes in wind speed and its direction relative to the wire axis. Insulated SIP-3 wire used in overhead lines was investigated. A multilayer perceptron neural network was employed to model the process of heating and cooling of insulated wire under changes in wind speed and its direction. The average absolute error was taken as a criterion for evaluating the prediction accuracy of wire core and insulation temperatures. The main parameters of the developed neural network model include the number of hidden layers and neurons in each hidden layer, the degree of regulation, and the regulatory rigidity of the model. The modelled heating and cooling curves of insulated wire were compared with those obtained experimentally. The average absolute error was equal to 1.74 and –4.08°C for the predicted core and insulation temperatures, respectively. The difference between the heating curves at low wind speeds was found to range within 9°C. It was shown that an increase in wind speed leads to a decrease in the difference between the curves. Our analysis showed that neural network models used for predicting variations in the temperature of insulated overhead lines should be trained using a larger number of input parameters. This is the main prerequisite for high prediction accuracy of such models, when the difference between the simulated and experimental data does not exceed 5%.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нейросетевая модель</kwd><kwd>изолированные провода</kwd><kwd>воздушная линия</kwd><kwd>влияние погодных условий</kwd><kwd>прогнозирование параметров линий электропередачи</kwd></kwd-group><kwd-group xml:lang="en"><kwd>neural network model</kwd><kwd>insulated conductors</kwd><kwd>overhead power line</kwd><kwd>influence of weather conditions</kwd><kwd>forecasting power line parameters</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">Alassi A., Banales S., Ellabban O., Adam G., MacIver C. HVDC transmission: technology review, market trends and future outlook // Renewable and Sustainable Energy Reviews. 2019. Vol. 112. 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