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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">energsecurity</journal-id><journal-title-group><journal-title xml:lang="ru">Надежность и безопасность энергетики</journal-title><trans-title-group xml:lang="en"><trans-title>Safety and Reliability of Power Industry</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1999-5555</issn><issn pub-type="epub">2542-2057</issn><publisher><publisher-name>ООО «НПО Энергобезопасность»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24223/1999-5555-2022-15-2-111-119</article-id><article-id custom-type="elpub" pub-id-type="custom">energsecurity-817</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>ПРОЕКТИРОВАНИЕ, ИССЛЕДОВАНИЯ, РАСЧЕТЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DESIGN, RESEARCH, CALCULATIONS</subject></subj-group></article-categories><title-group><article-title>Разработка модели прогнозирования вероятности безотказной работы элементов и узлов основного оборудования ГЭС</article-title><trans-title-group xml:lang="en"><trans-title>Development of a prediction model for the probability of failure-free operation of elements and components of the main equipment of hydroelectric power plant</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>Байдакова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baydakova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> кафедра Энергетики </p><p>пр. Ленина, 69, 404111, г. Волжский, Россия </p></bio><bio xml:lang="en"><p>Department of Energy </p><p>ave. Lenin, 69, 404111, Volzhsky, Russia </p></bio><email xlink:type="simple">baidakova@vfmpei.onmicrosoft.com</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>Тягунов</surname><given-names>М. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Tyagunov</surname><given-names>M. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p> пр. Ленина, 69, 404111, г. Волжский, Россия </p></bio><bio xml:lang="en"><p> ave. Lenin, 69, 404111, Volzhsky, Russia </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>Султанов</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Sultanov</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p> пр. Ленина, 69, 404111, г. Волжский, Россия </p></bio><bio xml:lang="en"><p> ave. Lenin, 69, 404111, Volzhsky, Russia </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>Иваницкий</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanitsky</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p> пр. Ленина, 69, 404111, г. Волжский, Россия </p></bio><bio xml:lang="en"><p> ave. Lenin, 69, 404111, Volzhsky, Russia </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Филиал ФГБОУ ВО «НИУ «МЭИ» в г. Волжском</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Branch of FSBOU VO "NIU" MPEI" in Volzhsky</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>28</day><month>07</month><year>2022</year></pub-date><volume>15</volume><issue>2</issue><fpage>111</fpage><lpage>119</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Байдакова Н.В., Тягунов М.Г., Султанов М.М., Иваницкий М.С., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Байдакова Н.В., Тягунов М.Г., Султанов М.М., Иваницкий М.С.</copyright-holder><copyright-holder xml:lang="en">Baydakova N.V., Tyagunov M.G., Sultanov M.M., Ivanitsky M.S.</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.sigma08.ru/jour/article/view/817">https://www.sigma08.ru/jour/article/view/817</self-uri><abstract><p>Предложена структурная схема расчета надежности гидротурбин с учетом контроля параметров состояния элементов системы, основанная на данных карты уставок автоматики и технологических защит гидротурбины ГЭС. Выполнен анализ влияния безотказной работы систем и узлов гидроагрегата на показатели надежности. Определены основные элементы системы. Безопасность эксплуатации ГЭС во многом зависит от надежности работы основного генерирующего оборудования. Гидротурбинное оборудование ГЭС рассчитано на определенные условия эксплуатации, характерные для каждого типа гидроэлектростанций. Это позволяет каждому типу турбин эффективно получать наибольшее количество гидравлической энергии, если они работают в надлежащих условиях. Таким образом, при оценке показателей надежности предлагается учитывать весовые коэффициенты, отражающие степень влияния конкретного параметра на надежность системы. Выполнено сравнение полученных результатов по предложенной модели и по нормативной методике по оценке вероятности безотказной работы системы в обобщенном виде. На основе результатов предложена модель, учитывающая отказы элементов гидроагрегата для прогнозирования вероятности безотказной работы с целью обеспечения надежности работы оборудования за пределами проектного срока службы и сокращения затрат на эксплуатацию.</p></abstract><trans-abstract xml:lang="en"><p>A structural diagram of calculation of reliability of hydraulic turbines is proposed taking into account control of arameters of state of system elements, based on data of the map of setpoints of automation and process protection of hydroturbine of HPP. Failure-free operation of hydraulic unit systems and assemblies was analyzed for reliability indicators. The main elements of the system are identified. The safety of HPP operation largely depends on the reliability of the main generating equipment. Hydroturbine equipment of a hydroelectric power plant is designed for specific operating conditions characteristic for each type of hydroelectric power plant. This allows for each type of turbine to efficiently obtain the greatest amount of hydraulic power if they operate under proper conditions. Therefore, when evaluating reliability indicators, it is proposed to take into account weighting factors reflecting the degree of influence of a particular parameter on the reliability of the system. The obtained results were compared according to the proposed model and according to the regulatory methodology for assessing the probability of system failure-free operation in a generalized form. Based on the results, a model is proposed that takes into account the failures of the hydraulic unit elements to predict the probability of trouble-free operation in order to ensure the reliability of equipment operation beyond the design service life and reduce operating costs.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>надежность</kwd><kwd>основное оборудование</kwd><kwd>отказ</kwd><kwd>эксплуатация</kwd><kwd>весовой коэффициент</kwd><kwd>узел</kwd><kwd>система</kwd><kwd>моделирование</kwd><kwd>прогнозирование остаточного ресурса</kwd></kwd-group><kwd-group xml:lang="en"><kwd>reliability</kwd><kwd>main equipment</kwd><kwd>failure</kwd><kwd>operation</kwd><kwd>weighting factor</kwd><kwd>component</kwd><kwd>system</kwd><kwd>modeling</kwd><kwd>prediction of residual life</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке государственного задания РФ FSWF 2020-0025 "Разработка методов и анализ способов достижения высокого уровня безопасности и конкурентоспособности объектов энергетических систем на базе цифровых технологий".</funding-statement><funding-statement xml:lang="en">The work was carried out with the financial support of the state assignment of the Russian Federation FSWF 2020-0025 "Development of methods and analysis of ways to achieve a high level of safety and competitiveness of facilities of energy systems based on digital technologies."</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">Гаврилов С. 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