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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">vdgtu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Дагестанского государственного технического университета. Технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Herald of Dagestan State Technical University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-6185</issn><issn pub-type="epub">2542-095X</issn><publisher><publisher-name>Daghestan State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21822/2073-6185-2016-42-3-64-72</article-id><article-id custom-type="elpub" pub-id-type="custom">vdgtu-303</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>ТЕХНИЧЕСКИЕ НАУКИ ЭТЕХНИЧЕСКИЕ НАУКИ (ЭНЕРГЕТИЧЕСКОЕ, МЕТАЛЛУРГИЧЕСКОЕ И ХИМИЧЕСКОЕ МАШИНОСТРОЕНИЕ; ИНФОРМАТИКА, ВЫЧИСЛИТЕЛЬНАЯ ТЕХНИКА И УПРАВЛЕНИЕ; СТРОИТЕЛЬСТВО И АРХИТЕКТУРА)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHICAL SCIENCE POWER, METALLURGICAL AND CHEMICAL MECHANICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>ОБЕСПЕЧЕНИЕ ТЕПЛОВОГО РЕЖИМА ПРИБОРОВ РАСПРЕДЕЛЕННОГО ПИТАНИЯ В СОСТАВЕ КОРАБЕЛЬНЫХ СИСТЕМ ВТОРИЧНОГО ЭЛЕКТРОПИТАНИЯ НА БАЗЕ УНИФИЦИРОВАННЫХ БЛОКОВ</article-title><trans-title-group xml:lang="en"><trans-title>ENSURING THERMAL REGIME FOR THE SUPPLY DISTRIBUTED DEVICES IN THE COMPOSITION OF THE SHIP'S SECONDARY POWER SUPPLY SYSTEMS ON THE BASE OF THE STANDARDIZED UNITS</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>Исмаилов</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ismailov</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, профессор, заведующий кафедрой теоретической и общей электротехники, ректор, Заслуженный деятель науки РФ,</p><p> 367015 г. Махачкала, пр. И. Шамиля , 70</p></bio><bio xml:lang="en"><p>doctor of technical Sciences, Professor, head of Department of theoretical and General electrical engineering, the rector, Honored worker of science of the Russian Federation</p><p> 70 I. Shamil Ave, Makhachkala, 367015</p></bio><email xlink:type="simple">dstu@dstu.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>Муслимов</surname><given-names>Э. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Muslimov</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>главный конструктор,</p><p>г. Каспийск ул. Хизроева, 24</p></bio><bio xml:lang="en"><p>chief designer of JSC, area of scientific interests – Development of ship navigation systems and power supplies,</p><p>24 Khizroeva, street, Kaspiysk</p></bio><email xlink:type="simple">emin51@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рашидханов</surname><given-names>А. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Rashidkhanov</surname><given-names>A. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант,</p><p> 367015 г. Махачкала, пр. И. Шамиля , 70</p></bio><bio xml:lang="en"><p>graduate student,</p><p> 70 I. Shamil Ave, Makhachkala, 367015</p></bio><email xlink:type="simple">karlson_boy@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>Юсуфов</surname><given-names>Ш. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Yusufov</surname><given-names>Sh. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук, доцент кафедры теоретической и общей электротехники,</p><p> 367015 г. Махачкала, пр. И. Шамиля , 70</p></bio><bio xml:lang="en"><p>candidate of technical Sciences, Аssociate Professor, Department of theoretical and General electrical engineering,</p><p> 70 I. Shamil Ave, Makhachkala, 367015</p></bio><email xlink:type="simple">yshirali@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Дагестанский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Daghestan State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Каспийский завод точной механики</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Caspian float plant of precision mechanics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>13</day><month>12</month><year>2016</year></pub-date><volume>42</volume><issue>3</issue><fpage>64</fpage><lpage>72</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Исмаилов Т.А., Муслимов Э.М., Рашидханов А.Т., Юсуфов Ш.А., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Исмаилов Т.А., Муслимов Э.М., Рашидханов А.Т., Юсуфов Ш.А.</copyright-holder><copyright-holder xml:lang="en">Ismailov T.A., Muslimov E.M., Rashidkhanov A.T., Yusufov S.A.</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://vestnik.dgtu.ru/jour/article/view/303">https://vestnik.dgtu.ru/jour/article/view/303</self-uri><abstract><sec><title>Цель</title><p>Цель. В статье рассматривается построение приборов электропитания в составе корабельных систем вторичного электропитания на базе унифицированных блоков и обеспечение их теплового режима.</p></sec><sec><title>Методы</title><p>Методы. Определено, что с появлением современных многофункциональных компонентов силовой электроники у разработчиков систем вторичного электропитания появились возможности улучшения качества вторичного электропитания и модернизации существующих систем.</p></sec><sec><title>Результат</title><p>Результат. Выявлены достоинства унифицированных блоков электропитания, обладающих функцией параллельной работы. Проведен анализ процессов теплообмена в вертикальном канале со свободной конвекцией и расчет минимальной ширины канала, при которой обеспечивается эффективный отвод теплоты.</p></sec><sec><title>Вывод</title><p>Вывод. Предложена модель для определения минимального расстояния между блоками без ухудшения теплообмена в канале, образованном стенками соседних блоков.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. The article deals with the problem of constructing the power supply devices in the composition of the ship's secondary power systems based on standardized blocks and securing their thermal regime.</p></sec><sec><title>Methods</title><p>Methods. It is stated that with the advent of modern power electronics multifunctional components the secondary power supply developers got possibilities to improve the quality of secondary power supply and to upgrade the existing systems.</p></sec><sec><title>Results</title><p>Results. The advantages of unified power units, having a function of parallel operation are revealed. Heat transfer processes in a vertical channel with free convection, and the calculation of the minimum width of the channel, which provides efficient heat removal have been analyzed.</p></sec><sec><title>Conclusion</title><p>Conclusion.A model is proposed for determining the minimum distance between the blocks without deterioration of heat transfer in the channel formed by the walls of adjacent blocks.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>тепловой режим</kwd><kwd>унифицированный блок электропитания</kwd><kwd>свободная конвекция</kwd><kwd>герметичный блок</kwd></kwd-group><kwd-group xml:lang="en"><kwd>thermal regime</kwd><kwd>unified power supply unit</kwd><kwd>free convection</kwd><kwd>sealed unit</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">Саркис Э., Иосиф М. 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