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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">10.30724/1998-9903-2022-24-2-132-146</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-2219</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>МЕТОДЫ И ПРИБОРЫ КОНТРОЛЯ И ДИАГНОСТИКИ МАТЕРИАЛОВ, ИЗДЕЛИЙ, ВЕЩЕСТВ И ПРИРОДНОЙ СРЕДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS AND DEVICES FOR CONTROLLING AND DIAGNOSING MATERIALS, ARTICLES, SUBSTANCES AND NATURAL ENVIRONMENT</subject></subj-group></article-categories><title-group><article-title>Исследование электрофизических процессов и старения материала высоковольтных изоляторов для определения их рабочего ресурса</article-title><trans-title-group xml:lang="en"><trans-title>Study of electrophysical processes and aging of the material of highvoltage insulators to determine their working life</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1344-7453</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванов Дмитрий Алексеевич – кандидат технических наук, доцент, доцент кафедры «Промышленная электроника и светотехника»</p></bio><bio xml:lang="en"><p>Dmitry A. Ivanov</p></bio><email xlink:type="simple">ivanov.da@kgeu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><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>2022</year></pub-date><pub-date pub-type="epub"><day>13</day><month>06</month><year>2022</year></pub-date><volume>24</volume><issue>2</issue><fpage>132</fpage><lpage>146</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Иванов Д.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Иванов Д.А.</copyright-holder><copyright-holder xml:lang="en">Ivanov D.A.</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/2219">https://www.energyret.ru/jour/article/view/2219</self-uri><abstract><p>ЦЕЛЬЮ статьи является обсуждение результатов исследований по изучению характеристик частичных разрядов на дефектах различного типа в высоковольтных изоляторах – на диэлектрическом стержне и контакте «стержень-оконцеватель». Анализ нетипичных характеристик частичных разрядов в высоковольтных изоляторах производился с использованием оригинального способа определения их состояния с помощью набора диагностических параметров.</p><sec><title>МЕТОДЫ</title><p>МЕТОДЫ. Экспериментальные результаты получены электромагнитным и акустическим методами бесконтактных измерений характеристик частичных разрядов.</p><p>РЕЗУЛЬТАТОМ проведенных исследований являются полученные схемы электрофизических процессов в диэлектрических полостях дефектов на диэлектрическом стержне и контакте «стержень-оконцеватель» в течение одного периода приложения высокого напряжения. Схема электрофизических процессов учитывает изменения, индуцированного частичными разрядами поля в полости дефекта и на его диэлектрических поверхностях.</p></sec><sec><title>ВЫВОД</title><p>ВЫВОД. Основным выводом является тот факт, что разработанная схема генерации обычных и мощных частичных разрядов нашла подтверждение в модели процесса генерации и последующего распространения первичного разряда в полости дефекта. В реальных условиях излучения частичного разряда в полимерных и фарфоровых высоковольтных изоляторах имеет более сложный характер, поэтому была сделана первая попытка объяснения генерации мощных частичных разрядов в реальных высоковольтных энергетических системах. Увеличение количества частичных разрядов и их интенсивности за фазовый интервал 20° и наличие мощных частичных разрядов являются основными признаками дефектности высоковольтных изоляторов</p></sec></abstract><trans-abstract xml:lang="en"><p>The article is aimed to discuss the results of research on the characteristics of partial discharges on defects of different types in high-voltage insulators - on dielectric rod and contact «terminal rod». The atypical characteristics of partial discharges in high-voltage insulators were analysed using an original method of determining their condition using a set of diagnostic parameters.</p><sec><title>METHODS</title><p>METHODS. Experimental results are obtained by electromagnetic and acoustic methods of non-contact measurements of partial discharge characteristics.</p><p>THE RESULTS of conducted studies are obtained circuits of electrophysical processes in dielectric cavities of defects at dielectric rod and contact «terminal rod» during one period of high voltage application. The circuit of electrophysical processes takes into account changes of the field induced by partial discharges in the defect cavity and on its dielectric surfaces.</p></sec><sec><title>CONCLUSHIONS</title><p>CONCLUSHIONS. The main conclusion is the fact that the developed scheme of generation of conventional and powerful partial discharges found confirmation in the model of the process of generation and subsequent distribution of primary discharge in the defect cavity. Under real conditions of partial discharge radiation in polymer and porcelain high-voltage insulators is more complex, so the first attempt to explain the generation of powerful partial discharges in real high-voltage power systems was made. The increase in the number of partial discharges and their intensity during the phase interval of 20° and the presence of powerful partial discharges are the main signs of defective high-voltage insulators. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>дистанционная диагностика</kwd><kwd>частичные разряды электрофизические процессы</kwd><kwd>неразрушающий контроль</kwd><kwd>высоковольтные изоляторы</kwd><kwd>дефекты изоляции</kwd><kwd>система мониторинга</kwd></kwd-group><kwd-group xml:lang="en"><kwd>remote diagnostics</kwd><kwd>partial discharges</kwd><kwd>electrophysical processes</kwd><kwd>non-destructive testing</kwd><kwd>high-voltage insulators</kwd><kwd>insulation defects</kwd><kwd>monitoring system</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследования выполнены при финансовой поддержке Министерства науки и высшего образования Российской Федерации в рамках госзадания на выполнение НИР по теме «Распределенные автоматизированные системы мониторинга и диагностики технического состояния воздушных линий электропередачи и подстанций на основе технологии широкополосной передачи данных через линии электропередач и промышленного интернета вещей» (соглашение №075-03-2022-151 от 14.01.2022)</funding-statement><funding-statement xml:lang="en">The research work was carried out under the financial support of the Ministry of Science and Higher Education within the scope of the state Research and Development task no. 075-03-2022-151 of 14.01.2022 «Distributed automated systems of monitoring and diagnostics for technical condition of overhead power lines and substations based on broadband data transmission technology through power lines and the industrial Internet of Things»</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Golenishchev-Kutuzov A.V., Golenishchev-Kutuzov V.A., Ivanov D.A., et al. 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