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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">vestift</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-технических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physical-technical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8358</issn><issn pub-type="epub">2524-244X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8358-2018-63-1-101-110</article-id><article-id custom-type="elpub" pub-id-type="custom">vestift-367</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, ТЕПЛО- И МАССООБМЕН</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>POWER ENGINEERING, HEAT AND MASS TRANSFER</subject></subj-group></article-categories><title-group><article-title>ПРОГНОЗИРОВАНИЕ ОСНОВНЫХ ХАРАКТЕРИСТИК ГРАФИКА ПРОДОЛЖИТЕЛ</article-title><trans-title-group xml:lang="en"><trans-title>FORECASTING THE LOAD DURATION CURVES FOR LONG-TERM OPTIMIZATION OF ENERGY SYSTEMS</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>Мельников</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Melnikov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант, младший научный сотрудник</p></bio><bio xml:lang="en"><p>Ph. D. Student, Junior Researcher</p></bio><email xlink:type="simple">melnikov1991@bk.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>Попов</surname><given-names>Б. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Popov</surname><given-names>B. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук, заведующий лабораторией</p></bio><bio xml:lang="en"><p>Ph. D. (Engineering), Head of the Laboratory</p></bio><email xlink:type="simple">bipopovby@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Объединенный институт энергетических и ядерных исследований – Сосны Национальной академии наук Беларуси, Минск</institution></aff><aff xml:lang="en"><institution>Joint Institute for Power and Nuclear Research – Sosny of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>06</day><month>04</month><year>2018</year></pub-date><volume>63</volume><issue>1</issue><fpage>101</fpage><lpage>110</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мельников А.С., Попов Б.И., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Мельников А.С., Попов Б.И.</copyright-holder><copyright-holder xml:lang="en">Melnikov A.S., Popov B.I.</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://vestift.belnauka.by/jour/article/view/367">https://vestift.belnauka.by/jour/article/view/367</self-uri><abstract><p>Описана методология прогнозирования основных характеристик графика продолжительности нагрузки: коэффициента неравномерности, коэффициента заполнения и величины электропотребления. Характеристики необходимы для прогнозирования графиков продолжительности электрической нагрузки на длительных временных периодах. На основе обширной статистической информации о почасовых нагрузках Белорусской энергосистемы за период с 1997 по 2014 г. найдены исторические тренды изменения характеристик. С использованием полученных трендов и ряда предположений о тенденциях их долгосрочного изменения рассчитаны краевые сценарии изменения характеристик на продолжительном промежутке времени. Каждый краевой сценарий образован путем комбинации основных характеристик графика продолжительности нагрузки. Сценарный подход и ранее разработанный метод оперативного восстановления графиков продолжительности электрической нагрузки на основе ее основных характеристик дают возможность получить возможные граничные формы этих графиков для прогнозируемого временного периода. Особенностью подхода предлагаемой методологии является прогнозирование таких характеристик, как объемы электропотребления и форма графиков продолжительности электрической нагрузки в определенных диапазонах. Ширина диапазонов обоснована анализом ретроспективной информации и может быть скорректирована с учетом вновь поступающей информации. Применение предлагаемого подхода целесообразно в оптимизационных программах планирования энергосистем. Полученные численные результаты будут использованы для оптимизации структуры Белорусской энергосистемы.</p></abstract><trans-abstract xml:lang="en"><p>A methodology of forecasting the main characteristics of load duration curves is described: the coefficient of unevenness, the load factor and the magnitude of power consumption. The characteristics are necessary for predicting of the electrical load duration curves over long time periods. Based on extensive statistical information on the hourly loads of the Belarusian energy system for the period from 1997 to 2014, historical trends of characteristics change were found. Each edge scenario was formed by combining the main characteristics of the load duration curve. Scenario approach and the previously developed method of operative restoration of the curves of the duration of the electrical load on the basis of its main characteristics make it possible to obtain possible boundary forms of these curves for a number of future years. A feature of the approach of the proposed methodology is that such characteristics as the amount of power consumption, as well as the shape of the curves of the duration of electric load are predicted in a certain ranges. The width of the ranges is justified by the analysis of the retrospective information and can be adjusted taking into account the newly received information. The proposed approach can be used in optimization programs of energy system planning. The obtained numerical results can be used to optimize the structure of the Belarusian energy system.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>график продолжительности нагрузки</kwd><kwd>прогнозирование</kwd><kwd>тренд</kwd><kwd>коэффициент заполнения</kwd><kwd>коэффициент неравномерности</kwd><kwd>пиковая нагрузка</kwd><kwd>объем электропотребления</kwd></kwd-group><kwd-group xml:lang="en"><kwd>load duration curve</kwd><kwd>forecasting</kwd><kwd>trend</kwd><kwd>load factor</kwd><kwd>coefficient of unevenness</kwd><kwd>peak load</kwd><kwd>volume of power consumption</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">Концепция энергетической безопасности Республики Беларусь: Постановление Совета Министров Респ. 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