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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">10.30724/1998-9903-2023-25-2-71-83</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-2613</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>ЭЛЕКТРОТЕХНИЧЕСКИЕ КОМПЛЕКСЫ И СИСТЕМЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ELECTROTECHNICAL COMPLEXES AND SYSTEMS</subject></subj-group></article-categories><title-group><article-title>Эффективный метод определения места короткого замыкания в электрических сетях</article-title><trans-title-group xml:lang="en"><trans-title>Operational determination of the point of a short circuit in power 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/0000-0003-0484-2857</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Суслов</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Suslov</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Константин Витальевич Суслов, д-р техн. наук., доцент, профессор, профессор кафедры</p><p>кафедра «Электроснабжение и электротехника»</p><p>кафедра «Гидроэнергетики и возобновляемых источников энергии»</p><p>Иркутск</p><p>Москва</p></bio><bio xml:lang="en"><p>Konstantin V. Suslov</p><p>Irkutsk</p><p>Moscow</p></bio><email xlink:type="simple">dr.souslov@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1774-4826</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Солонина</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Solonina</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нафиса Назиповна Солонина, канд. техн. наук, доцент, доцент кафедры</p><p>кафедра «Электроснабжение и электротехники»</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Nafisa N. Solonina</p><p>Irkutsk</p></bio><email xlink:type="simple">nafisa-solonina@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1683-8126</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Солонина</surname><given-names>З. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Solonina</surname><given-names>Z. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зоя Валерьевна Солонина, канд. экон. наук, доцент</p><p>кафедра «Электроснабжение и электротехника»</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Zoya V. Solonina</p><p>Irkutsk</p></bio><email xlink:type="simple">zovasolo@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4424-7761</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ахметшин</surname><given-names>А. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Akhmetshin</surname><given-names>A. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Азат Ринатович Ахметшин, канд. техн. наук, доцент, член технического комитета по стандартизации ТК 337 «Электроустановки зданий», членнационального  исследовательского  комитета  РНК  СИГРЭ  ВЗ  «Подстанции и электроустановки», член Institute of Electrical and Electronics Engineers</p><p>кафедра «Энергетическое машиностроение»</p><p>Казань</p></bio><bio xml:lang="en"><p>AzatR. Akhmetshin</p><p>Kazan</p></bio><email xlink:type="simple">dr.akhmetshin@ieee.org</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет; Национальный исследовательский университет «МЭИ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University; National Research University “MPEI”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Казанский государственный энергетический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan State Power Engineering University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>08</day><month>06</month><year>2023</year></pub-date><volume>25</volume><issue>2</issue><fpage>71</fpage><lpage>83</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Суслов К.В., Солонина Н.Н., Солонина З.В., Ахметшин А.Р., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Суслов К.В., Солонина Н.Н., Солонина З.В., Ахметшин А.Р.</copyright-holder><copyright-holder xml:lang="en">Suslov K.V., Solonina N.N., Solonina Z.V., Akhmetshin A.R.</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/2613">https://www.energyret.ru/jour/article/view/2613</self-uri><abstract><sec><title>   АКТУАЛЬНОСТЬ</title><p>   АКТУАЛЬНОСТЬ. Актуальной задачей является повышения надежности и качества электроснабжения. Очень часто сбои в работе обусловлены повреждением воздушных и кабельных линий. Традиционно достаточно большое количество нарушений приходится на долю распределительных электрических сетей. Для надежного функционирования энергосистем и бесперебойного электроснабжения потребителей необходимо в короткие сроки выявить и устранить неисправности для минимизации ущерба. Таким образом, необходим метод для эффективного, точного и надежного определения места повреждения? необходим как для энергетических компаний, так и для потребителей. Для решения данной проблемы необходимо оперативное получение информации о состоянии распределительной эклектической сети.</p></sec><sec><title>   ЦЕЛЬ</title><p>   ЦЕЛЬ. Сокращение времени поиска места повреждения в электрических сетях, снижение ущерба от простоя за недоотпуск электроэнергии путем анализа существующих методов определения места повреждений на линии электропередачи и разработки метода его оперативного выявления в электрических сетях.</p></sec><sec><title>   МЕТОДЫ</title><p>   МЕТОДЫ. Основой данного метода является предварительный теоретический расчет токов короткого замыкания в различных сечениях линии электропередачи. На основе полученных в результате расчета величин осуществляется сравнение измеренных значений токов коротких замыканий с данными величинами, на основании чего и происходит определение места повреждения линии. Разработан алгоритм поиска левой и правой границы значения тока короткого замыкания в упорядоченном массиве статистических данных.</p></sec><sec><title>   РЕЗУЛЬТАТЫ</title><p>   РЕЗУЛЬТАТЫ. Предлагается метод оперативного определения места короткого замыкания, в основе которого лежит использование массива данных теоретически рассчитанных токов короткого замыкания. Представленный алгоритм способен точно определить координаты места короткого замыкания в электрических сетях.</p></sec><sec><title>   ЗАКЛЮЧЕНИЕ</title><p>   ЗАКЛЮЧЕНИЕ. Предложенный метод определения места повреждения линии электропередачи позволяет повысить оперативность определения точки короткого замыкания и тем самым снизить время на устранение аварии, следовательно, экономические потери от недоотпуска электроэнергии. Основой данного метода является предварительный теоретический расчет токов короткого замыкания в различных сечениях линии электропередачи. Благодаря последующему осуществлению сравнения измеренных значений токов коротких замыканий с величинами расчетных значений происходит определение места повреждения линии электропередачи. Представленный алгоритм разработан для точного определения координат места короткого замыкания, что позволяет существенно сократить время поиска и повысить точность определения места повреждения в диапазоне от 100 до 150 м независимо от длины линии электропередачи, что значительно сокращает время поиска повреждений одновременно с решением задачи по уменьшению временем простоя,  а также минимизации ущерба как для гарантирующих поставщиков в лице электросетевых компаний, так и для потребителей в лице промышленных, сельскохозяйственных предприятий.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>   RELEVANCE</title><p>   RELEVANCE. An urgent task is to improve the reliability and quality of power supply. Very often, failures in operation are caused by damage to overhead and cable lines. Traditionally, a fairly large number of violations occur in the share of electrical distribution networks. For the reliable functioning of power systems and uninterrupted power supply to consumers, it is necessary to identify and eliminate faults in a short time to minimize damage. Thus, a method for efficient, accurate and reliable fault location is needed for both utility companies and consumers. To solve this problem, it is necessary to quickly obtain information about the state of the distribution eclectic network.</p></sec><sec><title>   THE PURPOSE</title><p>   THE PURPOSE. Reducing the time to search for a fault location in electrical networks, reducing damage from downtime for undersupply of electricity by analyzing existing methods for determining the location of faults on a power transmission line and developing a method for its prompt detection in electrical networks.</p></sec><sec><title>   METHODS</title><p>   METHODS. The basis of this method is a preliminary theoretical calculation of short-circuit currents in various sections of a power line. Based on the values obtained as a result of the calculation, the measured values of the short-circuit currents are compared with these values, on the basis of which the location of the line damage is determined. An algorithm for searching the left and right boundaries of the short-circuit current value in an ordered array of statistical data has been developed.</p></sec><sec><title>   RESULTS</title><p>   RESULTS. A method for quickly determining the location of a short circuit is proposed, which is based on the use of a data array of theoretically calculated short circuit currents. The presented algorithm is able to accurately determine the coordinates of the short circuit in electrical networks.</p></sec><sec><title>   CONCLUSION</title><p>   CONCLUSION. The proposed method for determining the location of damage to the power line allows you to increase the efficiency of determining the point of a short circuit and thereby reduce the time to eliminate the accident, and therefore, economic losses from undersupply of electricity.The basis of this method is a preliminary theoretical calculation of short-circuit currents in various sections of a power line. Due to the subsequent comparison of the measured values of short-circuit currents with the values of the calculated values, the location of the damage to the power line is determined. The presented algorithm is designed to accurately determine thecoordinates of the short circuit location, which can significantly reduce the search time and improve the accuracy of determining the fault location in the range from 100 to 150 m, regardless of the length of the power line, which significantly reduces the time to search for damage at the same time as solving the problem of reducing downtime , as well as minimizing damage both for guaranteeing suppliers represented by electric grid companies, and for consumers represented by industrial and agricultural enterprises.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>определение места повреждения линии</kwd><kwd>распределительные электрические сети</kwd><kwd>бесперебойность электроснабжения</kwd><kwd>алгоритм поиска точного места короткого замыкания в линии</kwd></kwd-group><kwd-group xml:lang="en"><kwd>determining the location of line damage</kwd><kwd>distribution electrical networks</kwd><kwd>uninterrupted power supply</kwd><kwd>algorithm for finding the exact location of a short circuit in the line</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">Суслов К. 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