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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">10.30724/1998-9903-2022-24-5-13-22</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-2413</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>ЭНЕРГЕТИЧЕСКИЕ СИСТЕМЫ И КОМПЛЕКСЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ENERGY SYSTEMS AND COMPLEXES</subject></subj-group></article-categories><title-group><article-title>Проект использования низкопотенциальных источников энергии на Братской ГЭС</article-title><trans-title-group xml:lang="en"><trans-title>Project of using low-potential energy sources at the Bratsk hydro 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>Юровская</surname><given-names>В. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Yurovskaya</surname><given-names>V. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юровская Валерия Дмитриевна – студент</p><p>г. Братск</p></bio><bio xml:lang="en"><p>Valeriya D. Yurovskaya</p><p>Bratsk</p></bio><email xlink:type="simple">valeriya.yurovskaya@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>Латушкина</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Latushkina</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Латушкина Светлана Викторовна – старший преподаватель кафедры энергетики</p><p>г. Братск</p></bio><bio xml:lang="en"><p>Svetlana V. Latushkina </p><p>Bratsk</p></bio><email xlink:type="simple">latushkinasv@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Братский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bratsk State 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>08</day><month>12</month><year>2022</year></pub-date><volume>24</volume><issue>5</issue><fpage>13</fpage><lpage>22</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Юровская В.Д., Латушкина С.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Юровская В.Д., Латушкина С.В.</copyright-holder><copyright-holder xml:lang="en">Yurovskaya V.D., Latushkina S.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/2413">https://www.energyret.ru/jour/article/view/2413</self-uri><abstract><p>ЦЕЛЬ. Повышение энергоэффективности работы гидроэлектростанции (ГЭС). Определение объемов теряемой тепловой энергии от оборудования ГЭС. Разработка вариантов по полезному использованию низкопотенциального тепла. Экономическая оценка предложенных вариантов. Выбор наиболее подходящего варианта использования сбросного тепла. МЕТОДЫ. В работе использованы методы теории тепломассообмена, термодинамического анализа, технико-экономических расчетов в энергетике. РЕЗУЛЬТАТЫ. В статье были определены температуры теплоносителей в системе охлаждения гидрогенератора Братской ГЭС. Рассчитаны тепловые потери в размере 92,52 МВт. Подложены 3 варианта теплоснабжения объектов Братской ГЭС. Разработана оптимизированная схема теплогенерации с использованием теплонасосной установки (ТНУ). Проведен технико-экономический анализ предложенных вариантов теплоснабжения. Проведен анализ российского рынка ТНУ. Выбран к реализации экономически выгодный вариант теплоснабжения с 2 ТНУ Viesmann Vitocal 350-G Pro с объемом капвложений 34,46 млн руб. и сроком окупаемости 7,3 года. ЗАКЛЮЧЕНИЕ. Результаты технико-экономических расчетов показывают целесообразность внедрения ТНУ в систему теплогенерации Братской ГЭС.</p></abstract><trans-abstract xml:lang="en"><p>THE PURPOSE. Improving the energy efficiency of a hydroelectric power plant (HPP). Determination of the volume of lost thermal energy from HPP equipment. Development of options for the beneficial use of low-grade heat. Economic evaluation of the proposed options. Selection of the most appropriate waste heat utilization option. METHODS. The methods of the theory of heat and mass transfer, thermodynamic analysis, technical and economic calculations in the energy sector are used in the work. RESULTS. The article determined the temperatures of heat carriers in the cooling system of the hydroelectric generator of the Bratsk HPP. Calculated heat losses in the amount of 92,52 MW. 3 variants of heat supply for the facilities of the Bratsk HPP have been laid. An optimized scheme of heat generation using a heat pump installation (HPI) has been developed. A feasibility study of the proposed options for heat supply has been carried out. An analysis of the Russian HPI market was carried out. A cost-effective heat supply option with 2 Viesmann Vitocal 350-G Pro HPI was selected for implementation with a capital investment 34,46 million of RUB and a payback period of 7,3 years. CONCLUSION. The results of technical and economic calculations show the feasibility of introducing a HPI into the heat generation system of the Bratsk HPP.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>низкопотенциальная энергия</kwd><kwd>гидроэлектростанция</kwd><kwd>система охлаждения</kwd><kwd>теплонасосная установка</kwd><kwd>система теплоснабжения</kwd><kwd>сбросное тепло</kwd></kwd-group><kwd-group xml:lang="en"><kwd>low-potential energy</kwd><kwd>hydroelectric power plant</kwd><kwd>cooling system</kwd><kwd>heat pump installation</kwd><kwd>heating system</kwd><kwd>waste heat</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">Государственный доклад о состоянии энергосбережения и повышении энергетической эффективности в Российской Федерации // Министерство экономического развития РФ. 2020. 117 с.</mixed-citation><mixed-citation xml:lang="en">State report on the state of energy conservation and energy efficiency in the Russian Federation. 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