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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">10.30724/1998-9903-2016-0-9-10-3-15</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-296</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>ПОТОКОВАЯ МОДЕЛЬ ОЦЕНИВАНИЯ СОСТОЯНИЯИ ОПТИМИЗАЦИИ РЕЖИМОВ РАБОТЫ РАСПРЕДЕЛИТЕЛЬНЫХ СЕТЕЙ</article-title><trans-title-group xml:lang="en"><trans-title>Energy flow model of distribution grids state estimation and optimization</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>Паздерин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhlynin</surname><given-names>N. D.</given-names></name></name-alternatives><email xlink:type="simple">a.v.pazderin@urfu.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>Мухлынин</surname><given-names>Н. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Pazderin</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">mukhlynin@me.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Уральский федеральный университет имени первого Президента России Б.Н. Ельцина</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>04</day><month>12</month><year>2017</year></pub-date><volume>0</volume><issue>9-10</issue><fpage>3</fpage><lpage>15</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Паздерин А.В., Мухлынин Н.Д., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Паздерин А.В., Мухлынин Н.Д.</copyright-holder><copyright-holder xml:lang="en">Mukhlynin N.D., Pazderin 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/296">https://www.energyret.ru/jour/article/view/296</self-uri><abstract><p>В современных распределительных сетях, в рамках концепции Smart Grid, начинают появляться источники малой генерации, изменяются режимы работы и появляются новые возможности по их управлению. Данная статья посвящена новому подходу к оценке режимных параметров распределительных сетей напряжения до 35 кВ и оптимизации режима их работы. Алгоритмы оценивания состояния и оптимизации основаны на новой математической модели режима работы электрической сети, основанной на балансе потоков энергии или мощности в схеме сети. Такой подход позволяет получить ряд преимуществ, по сравнению с традиционной моделью, с использованием классических уравнений установившегося режима, где задачи оценивания состояния и оптимизация выполняются раздельно. Предложенная единая модель использует данные об интегральных характеристиках узлов и ветвей, что дает более точные расчетные значения режимных параметров при топологических и режимных изменениях, которые характерны для распределительных сетей. Применимость единой модели продемонстрирована на расчете потоков мощностей в тестовой распределительной сети.</p></abstract><trans-abstract xml:lang="en"><p>This paper is devoted to a new approach to estimating operation mode parameters and their further optimization. The state estimation and optimization processes are based on a new mathematical model, which consists of energy balance equations. This approach allows to get some advantages compare to a traditional model, where the estimation and optimization tasks are performed separately using classical steady-state equations. The proposed unified model according to the amount of power energy at the certain time intervals gives a better result under the changes of both topology and operation modes, which usually takes place in the distribution grids. The capabilities of the unified model are demonstrated through calculation on power/energy flow test distribution grid.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оценка состояния</kwd><kwd>оптимизация</kwd><kwd>распределительная сеть</kwd><kwd>потоковая модель</kwd><kwd>ограничения</kwd><kwd>концепция Smart Grid</kwd><kwd>балансы энергий</kwd></kwd-group><kwd-group xml:lang="en"><kwd>state estimation</kwd><kwd>optimization</kwd><kwd>distribution grid</kwd><kwd>energy flow problem</kwd><kwd>constrains</kwd><kwd>smart grid</kwd><kwd>energy balances</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">C. Saeli, C. Gatti and C. 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