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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">10.30724/1998-9903-2026-28-4-31-45</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-3996</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>МЕТОДЫ И ПРИБОРЫ КОНТРОЛЯ И ДИАГНОСТИКИ МАТЕРИАЛОВ, ИЗДЕЛИЙ, ВЕЩЕСТВ И ПРИРОДНОЙ СРЕДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS AND DEVICES FOR CONTROLLING AND DIAGNOSING MATERIALS, ARTICLES, SUBSTANCES AND NATURAL ENVIRONMENT</subject></subj-group></article-categories><title-group><article-title>Экспериментальная оценка использования активно-резистивной схемы в LED-драйверах с целью снижения значений пускового тока и повышения эксплуатационного ресурса изделий</article-title><trans-title-group xml:lang="en"><trans-title>Experimental assessment of active-resistive circuit implementation in LED drivers for reducing inrush current and enhancing operational life of products</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7667-5456</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванова</surname><given-names>В. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanova</surname><given-names>V. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванова Вилия Равильевна – к.т.н., доцент кафедры Электроснабжение промышленных предприятий</p><p>г. Казань</p></bio><bio xml:lang="en"><p>Ivanova Viliya Ravilievna</p><p>Kazan</p></bio><email xlink:type="simple">vr-10@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-3813-9008</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сафин</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Safin</surname><given-names>R. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сафин Риназ Раисович - аспирант</p><p>г. Казань</p></bio><bio xml:lang="en"><p>Safin Rinaz Raisovich</p><p>Kazan</p></bio><email xlink:type="simple">Rinaz.Safin@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казанский государственный энергетический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan State Power Engineering University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>15</day><month>09</month><year>2026</year></pub-date><volume>28</volume><issue>4</issue><fpage>31</fpage><lpage>45</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Иванова В.Р., Сафин Р.Р., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Иванова В.Р., Сафин Р.Р.</copyright-holder><copyright-holder xml:lang="en">Ivanova V.R., Safin R.R.</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/3996">https://www.energyret.ru/jour/article/view/3996</self-uri><abstract><p>В работе рассматривается проблема ограничения пускового тока в LED-драйверах, что является важной задачей для современных светодиодных систем. Основное внимание уделяется применению адаптированной классической схемы ограничения пускового тока с использованием реле времени и ограничительного резистора. Представленная схема включает трансформатор, диодный мост, стабилизатор напряжения, конденсаторы, микросхему таймера NE555P и реле для управления резистором. В работе представлен анализ преимуществ и недостатков современных методов ограничения пускового тока с применением терморезисторов и MOSFET-схем. Для исследования были выбраны модели LED-драйверов с различным схемотехническим решением мощностью 36 Вт и напряжением 12 В. С помощью осциллографа FNIRSI-2C23T были проведены измерения максимальных значений тока в разный период времени рабочего цикла. Оценены погрешности измерений, вызванные работой осциллографа, измерительного щупа и токоизмерительного шунта. Экспериментальные результаты показали возможность снижения амплитудного значения пускового тока при использовании усовершенствованной схемы драйвера. Также рассмотрены возможные пути улучшения схемы ограничения пускового тока, в том числе использование бестрансформаторного управления электромагнитным реле для дальнейшей оптимизации устройства.</p></abstract><trans-abstract xml:lang="en"><p>The paper addresses the issue of inrush current limitation in LED drivers, which is an important task for modern LED systems. The focus is on the application of an adapted classical inrush current limiting scheme using a time relay and a limiting resistor for use in LED drivers. The proposed circuit includes a transformer, a diode bridge, a voltage regulator, capacitors, an NE555P timer IC, and a relay for controlling resistor R2. The paper also provides a literature review of modern inrush current limiting methods, such as thermistors and MOSFET circuits, with an analysis of their advantages and disadvantages. For the study, five models of LED drivers with a power rating of 36 W and a voltage of 12 V were selected. Current values were measured using the FNIRSI-2C23T oscilloscope, which allowed the changes in inrush current to be recorded. Measurement errors due to the oscilloscope, measurement probe, and current-sensing shunt were evaluated. The experimental results demonstrated a reduction in inrush current when using the proposed circuit. The calculations for determining the limiting resistor's nominal value and assessing power losses took into account the necessary parameters, confirming the correctness of the circuit choice. Possible ways to improve the circuit were also discussed, including the use of transformerless electromagnetic relay control to further optimize the device.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ограничение пускового тока</kwd><kwd>светодиодные драйверы</kwd><kwd>пусковой ток</kwd><kwd>стабилизация напряжения</kwd><kwd>заряд конденсатора</kwd><kwd>реле времени</kwd><kwd>резистор</kwd><kwd>схема</kwd></kwd-group><kwd-group xml:lang="en"><kwd>surge current limitation</kwd><kwd>LED drivers</kwd><kwd>inrush current</kwd><kwd>voltage regulation</kwd><kwd>capacitor charging</kwd><kwd>time relay</kwd><kwd>circuit protection</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">Тифлов А.В. Современные способы ограничения пусковых токов в источниках электропитания // Силовая электроника. - 2019. - №4. - С. 40-43.</mixed-citation><mixed-citation xml:lang="en">Tiflov A. V. 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