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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">probener</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. ПРОБЛЕМЫ ЭНЕРГЕТИКИ</journal-title><trans-title-group xml:lang="en"><trans-title>Power engineering: research, equipment, technology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-9903</issn><issn pub-type="epub">2658-5456</issn><publisher><publisher-name>Kazan State Power Engineering  University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30724/1998-9903-2020-22-4-3-15</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-1402</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>Расчет длительно допустимого тока проводов нового поколения воздушных линий</article-title><trans-title-group xml:lang="en"><trans-title>Calculation the current carrying capacity of the new generation overhead lines conductors</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>Варыгина</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Varygina</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Варыгина Александра Олеговна – аспирант</p><p>Благовещенск</p></bio><bio xml:lang="en"><p>Aleksandra O. Varygina </p><p>Blagoveshchensk</p></bio><email xlink:type="simple">alleks_13@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>Савина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Savina</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савина Наталья Викторовна – доктор технических наук, профессор, заведующий кафедрой «Энергетика»</p><p>Благовещенск</p></bio><bio xml:lang="en"><p>Natalya V. Savina </p><p>Blagoveshchensk</p></bio><email xlink:type="simple">nataly-savina@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Амурский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Amur State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>14</day><month>11</month><year>2020</year></pub-date><volume>22</volume><issue>4</issue><fpage>3</fpage><lpage>15</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Варыгина А.О., Савина Н.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Варыгина А.О., Савина Н.В.</copyright-holder><copyright-holder xml:lang="en">Varygina A.O., Savina N.V.</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://www.energyret.ru/jour/article/view/1402">https://www.energyret.ru/jour/article/view/1402</self-uri><abstract><p>Величины токов, при которых температура достигает максимального допустимого значения, являются длительно допустимыми токовыми нагрузками проводов, которые определяют пропускную способность воздушных линий электропередачи. Корректная оценка допустимых нагрузок линий электропередачи имеет важное практическое значение, так как связана с механической прочностью провода, стрелами провеса и величиной передаваемой мощности. Методические подходы к определению длительно допустимых токовых нагрузок традиционных сталеалюминевых проводов разработаны, хотя и уточняются до сих пор. В то же время для проводов нового поколения, ставшими отличным техническим решением для развития электросетевого комплекса, такие подходы не выработаны. Целью статьи является оценка возможности адаптации методики расчета длительно допустимого тока проводов традиционной конструкции к расчѐту проводов нового поколения. В статье показана математическая модель расчета длительно допустимого тока провода, которая применена для ряда сопоставимых по сечению проводников. Приводится классификация входящих в модель параметров и коэффициентов от влияющих факторов. Результаты анализа и расчета показали, что представленная в статье математическая модель может быть адаптированы для расчета значений длительно допустимого тока для проводов нового поколения при условии уточнения ряда параметров и коэффициентов, входящих в еѐ состав.</p></abstract><trans-abstract xml:lang="en"><p>Currently, there is an increase in power flows along power lines. An important task for the development of the power grid complex is to increase the current-carrying capacity of existing power lines. The use of advanced conductors has become a successful technical solution for this purpose. "New generation conductors" are modern conductors that have advanced mechanical and electrical properties and characteristics. Thus, it has become important to have information about the maximum operation temperature and current limits of the overhead line with new conductors. The approximate current-carrying capacity in Amperes is the value of current at which the conductor temperature reaches its maximum permissible value. It determines the maximum current load of overhead power lines. For traditional steelaluminum conductors, there are several methodological approaches to determining the maximum current load. This fact complicates the definition of an approach to calculating the current carrying capacity for advanced conductors. Nevertheless, the general basis of all methodological approaches is the thermal balance of the conductor. The purpose of this article is to assess the possibility of adapting the method of calculating the approximate currentcarrying capacity of traditional conductors to the calculation of advanced conductors. The article deals with advanced conductors of various brands of comparable cross-section with the classic ACSR 240/39. This work provides information about the selected conductors, their characteristics and design features. The paper shows a mathematical model for calculating the approximate current-carrying capacity of a conductor and shows calculating results for selected conductors. According to the results of analysis and calculations, the adaptation of the presented mathematical model is possible if we refine its parameters and coefficients.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>воздушная линия электропередачи</kwd><kwd>провода нового поколения</kwd><kwd>длительно допустимый ток</kwd><kwd>тепловой расчет провода</kwd><kwd>электросетевой комплекс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>overhead power line</kwd><kwd>new generation conductors</kwd><kwd>current carrying capacity</kwd><kwd>thermal calculation of the conductor</kwd><kwd>power grid complex</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">Федоров Н.А. 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