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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">10.30724/1998-9903-2019-21-3-99-108</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-1061</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>О возможности участия АЭС с ВВЭР в противоаварийном частотном регулировании в энергосистемах</article-title><trans-title-group xml:lang="en"><trans-title>On the possibility of participation of npps with vverin emergency frequency regulation in power system</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1630-926X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хрусталев</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khrustalev</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Vladimir A. Khrustalev – Professor of the Department of Thermal and Nuclear Power Engineering</p><p>Saratov</p></bio><email xlink:type="simple">khroustalevva@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>Гариевский</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Garievskii</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Michael V. Garievskii – researcher</p><p>Saratov</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ростунцова</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rostuntsova</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Irina A. Rostuntsova – assistant lecturer of the Department of Thermal and Nuclear Power Engineering</p><p>Saratov</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>Портянкин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Portyankin</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Alexey V. Portyankin – Associate Professor of the Department of Thermal and Nuclear Power Engineering</p><p>Saratov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Саратовский государственный технический университет им. Ю.А. Гагарина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yuri Gagarin State Technical University of Saratov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Саратовский научный центр РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saratov Scientific Center, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>28</day><month>11</month><year>2019</year></pub-date><volume>21</volume><issue>3</issue><fpage>99</fpage><lpage>108</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хрусталев В.А., Гариевский М.В., Ростунцова И.А., Портянкин А.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Хрусталев В.А., Гариевский М.В., Ростунцова И.А., Портянкин А.В.</copyright-holder><copyright-holder xml:lang="en">Khrustalev V.A., Garievskii M.V., Rostuntsova I.A., Portyankin A.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/1061">https://www.energyret.ru/jour/article/view/1061</self-uri><abstract><p>Целью статьи является изучение возможности и целесообразности участия АЭС с ВВЭР в противоаварийном частотном регулировании в энергосистемах с высокой долей атомных энергоблокови, одновременно, снижения расхода электроэнергии на собственные нужды главных циркуляционных насосов на режимах с мощностью ниже номинальной. Для решения этих задач предложено повысить достижимые скорости набора мощности (наброса нагрузки) за счет установки частотно регулируемых приводов ГЦН. Изменение частоты в энергосистеме, вызванное большим дисбалансом между генерацией и потреблением, может поставить под угрозу электрическое оборудование с точки зрения поддержания стабильных и надежных условий эксплуатации. Для атомных электростанций задача предотвращения или локализации аварий представляется еще более важной, чем для ТЭС, т.к. при крупных системных авариях возможно полное прекращение внешнего энергоснабжения собственных нужд АЭС. Таким образом, кроме требований к первичному регулированию частоты АЭС с ВВЭР нужны более жесткие требования к их аварийной приемистости и мобильности. Работа АЭС при длительном невосстанавливаемом дефиците активной мощности вызывает снижение числа оборотов главных циркуляционных насосов АЭС с ВВЭР и уменьшение расхода теплоносителя. Показано, что установка частотно-регулируемых приводов главных циркуляционных насосов на АЭС с ВВЭР целесообразна, в перспективе, не только для экономии расхода энергии на их привод на частичных режимах, но и для повышения мощности энергоблоков АЭС выше номинальной (без уменьшения запаса до кризиса теплообмена в активной зоне реактора) для ликвидации системных аварий, а значит, и для повышения безопасности входящих в ОЭС энергоблоков АЭС.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of the article is to study the possibility and feasibility of participation of nuclear power plants (NPPs) with VVER in emergency frequency control in power systems with a high proportion of nuclear power units and, at the same time, of reducing the power consumption for the own needs of the main circulation pumps during modes with power below nominal. To solve these problems, it was proposed to increase the achievable speeds of power gain (load increase) due to the installation of frequency controlled drives of the MCP. Large system frequency variations (caused by large imbalances between generation and demand) may jeopardize electrical equipment, in terms of maintaining stable and reliable operating conditions. For NPPs, the task of preventing or localizing accidents is even more important than for TPPs, since in case of major system accidents, it is possible to completely stop external power supply of the NPPs own needs. Thus, besides the requirements for the primary control of the frequency of NPPs with VVER, today we need more stringent requirements for their emergency acceleration and mobility. The operation of NPPs with long-term non-recoverable active power shortage causes a decrease in the speed of the main circulation pumps of NPPs with VVER and a decrease in the coolant flow rate. It is shown that the installation of variable frequency drives of the MCPs at NPP with VVER is appropriate not only to save energy consumption for their drive in partial modes, but also to increase the power of NPP above the nominal (without reducing the reserve before the heat exchange crisis in the reactor core) for the elimination of system accidents, and thus to improve the safety of the NPPs included in the power system.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>атомная электростанция</kwd><kwd>энергосистема</kwd><kwd>частота</kwd><kwd>противоаварийное регулирование</kwd><kwd>главный циркуляционный насос</kwd><kwd>частотно- регулируемый привод</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nuclear power plant</kwd><kwd>power system</kwd><kwd>frequency</kwd><kwd>emergency control</kwd><kwd>main circulation pump</kwd><kwd>variable frequency drive</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке РФФИ в рамках научного проекта № 17-08-00220 А.</funding-statement><funding-statement xml:lang="en">: The work was funded by the Russian Foundation for Basic Research (grant no. 17-08-00220 А).</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">Non-baseload Operation in Nuclear Power Plants: Load Following and Frequency Control Modes of Flexible Operation, // Nuclear Energy Series, 2018. 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