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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">10.30724/1998-9903-2018-20-1-2-54-61</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-436</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>ВЛИЯНИЕ ПАРАЛЛЕЛЬНО РАБОТАЮЩИХ ФИДЕРОВ НА «РЕЗОНАНСНЫЕ ЧАСТОТЫ» ВОЗДУШНОЙ ЛИНИИ ПРИ ОДНОФАЗНОМ ЗАМЫКАНИИ НА ЗЕМЛЮ</article-title><trans-title-group xml:lang="en"><trans-title>INFLUENCE OF POWER GRID ON THE “RESONANCE HARMONICS”  OF OVERHEAD POWER LINE DURING THE SINGLE-PHASE GROUND FAULT</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>Вагапов</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vagapov</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вагапов Георгий Валерьянович – кандидат технических наук, доцент, научный сотрудник</p></bio><bio xml:lang="en"><p>Georgii Vagapov - candidateof technical science, associate professor, researcher</p></bio><email xlink:type="simple">vagapov@list.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>Абдуллин</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Abdullin</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Linar Abdullin - post-graduate student of the department Electric power systems and grids</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>Чернова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Natalia Chernova - candidate of technical science, associate professor of the department Electric power systems and grids</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>Федотов</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedotov</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Evgeny Fedotov - candidate of technical science, associate professor of the department Power station</p></bio><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>2018</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2018</year></pub-date><volume>20</volume><issue>1-2</issue><fpage>54</fpage><lpage>61</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Вагапов Г.В., Абдуллин Л.И., Чернова Н.В., Федотов Е.В., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Вагапов Г.В., Абдуллин Л.И., Чернова Н.В., Федотов Е.В.</copyright-holder><copyright-holder xml:lang="en">Vagapov G.V., Abdullin L.I., Chernova N.V., Fedotov E.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/436">https://www.energyret.ru/jour/article/view/436</self-uri><abstract><p>В статье изложена методика определения значений «резонансных» частот воздушных линий электропередачи в аварийном режиме однофазного замыкания на землю. Учет наличия рабочих фидеров, подключенных к общим шинам центра питания совместно с аварийной линией, выполнен на основе введения в математическую модель дополнительной линии. Показано, что электрическая сеть оказывает влияние на значения «резонансных» частот в сторону их снижения в сравнении работой одиночной линии и уменьшает их зависимость от уровня тока короткого замыкания на шинах центра питания.</p></abstract><trans-abstract xml:lang="en"><p>Paper show methodic of determine values of «resonance» frequencies on overhead power lines in single-phase ground fault mode. There are introduction of Additional power line in the mathematical model Consideration of Availability of working feeders Connected to the common buses of the power center together with the emergency line. Power grid has influence on the value of the «resonance» frequency in the lowering of the level of value in comparing of working of single line. The value of “resonance” frequency depend from the level of short circuit on the substation buses</p></trans-abstract><kwd-group xml:lang="ru"><kwd>электрическая сеть</kwd><kwd>воздушная линия</kwd><kwd>однофазное замыкание на землю</kwd><kwd>дополнительная линия</kwd><kwd>место повреждения</kwd><kwd>«резонансная» частота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>power grid</kwd><kwd>overhead power line</kwd><kwd>single-phase ground fault</kwd><kwd>fault place</kwd><kwd>“resonance” harmonic</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">Лихачев Ф.А. Замыкания на землю в сетях с изолированной нейтралью и с компенсацией емкостных токов. М: Энергия, 1971. 152 с.</mixed-citation><mixed-citation xml:lang="en">Likhachev F.A. Zamykaniya na zemlyu v setyakh s izolirovannoi neitral'yu i s kompensatsiei emkostnykh tokov. 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