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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">kaz29</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Казахстанско-Британского технического университета</journal-title><trans-title-group xml:lang="en"><trans-title>Herald of the Kazakh-British Technical University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-6688</issn><issn pub-type="epub">2959-8109</issn><publisher><publisher-name>Казахстанско-Британский Технический Университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.55452/1998-6688-2021-18-2-67-72</article-id><article-id custom-type="elpub" pub-id-type="custom">kaz29-86</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>ФИЗИКО-МАТЕМАТИЧЕСКИЕ И ТЕХНИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL, MATHEMATICAL AND TECHNICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>ОБНАРУЖЕНИЕ НЕИСПРАВНОСТЕЙ АСИНХРОННЫХ ДВИГАТЕЛЕЙ</article-title><trans-title-group xml:lang="en"><trans-title>FAULT DETECTION OF INDUCTION MOTORS</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>Есенова</surname><given-names>Г. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Yessenova</surname><given-names>G. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>050000, Алматы</p></bio><bio xml:lang="en"><p>Gaukhar S.Yessenova - Automation and Control Engineer, WoodKSS Atyrau</p><p>050000, Almaty</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Казахстанско-Британский технический университет<country>Казахстан</country></aff><aff xml:lang="en">Kazakh-British Technical University<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>04</day><month>11</month><year>2021</year></pub-date><volume>18</volume><issue>2</issue><fpage>67</fpage><lpage>72</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Есенова Г.С., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Есенова Г.С.</copyright-holder><copyright-holder xml:lang="en">Yessenova G.S.</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.kbtu.edu.kz/jour/article/view/86">https://vestnik.kbtu.edu.kz/jour/article/view/86</self-uri><abstract><p>В данной работе описан метод обнаружения неисправностей асинхронных двигателей. Асинхронные двигатели широко используются во многих механических приложениях. Следовательно, крайне важно отслеживать и обнаруживать любые сбои во время их работы, чтобы предупредить администрацию, чтобы можно было избежать потенциальных проблем до их возникновения. Обычно неисправность в приемном двигателе вызывает нагрев во время работы. Этот тезис обеспечивает разработанный алгоритм метода защиты, который использует несбалансированную составляющую мощности и моделирование всего проекта на основе Matlab Simulink. Согласно алгоритму цифровой релейной защиты, во-первых, наблюдаются данные трехфазного напряжения и тока, после чего обнаруживаются какие-либо признаки несбалансированной мощности. На следующем этапе реле определяет тип отказа, внутренний или внешний, используя знак реактивной мощности обратной последовательности. Отрицательный знак реактивной мощности обратной последовательности означает, что неисправность находится внутри двигателя, с другой стороны, положительный знак указывает на то, что неисправность произошла вне двигателя.</p></abstract><trans-abstract xml:lang="en"><p>In this work described method of fault detection of induction motors. Induction motors are broadly utilized in numerous mechanical applications. Subsequently, it is exceptionally imperative to monitor and detect any faults during their operation in arrange to alarm the administrators so that potential issues can be avoided before they happen. In common, a fault within the acceptance motor causes it to induce hot amid its operation. This paper presents a developed protection method algorithm that uses unbalanced power components and simulates the overall design based on the Matlab Simulink. Three-phase voltage and current data are observed first, followed by signs of unbalanced power, according to the digital relay safety algorithm. The relay then uses a negative sequence reactive power sign to decide if the fault is internal or external. A negative sign for negative sequence reactive power indicates a fault inside the motor, while a positive sign indicates a fault outside the motor.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>обмотки статора</kwd><kwd>реактивная мощность</kwd><kwd>короткозамкнутый ротор</kwd><kwd>резерв двигателя</kwd><kwd>колебания мощности</kwd></kwd-group><kwd-group xml:lang="en"><kwd>stator windings</kwd><kwd>reactive power</kwd><kwd>squirrel rotor cage</kwd><kwd>motor backup</kwd><kwd>power oscillations</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">Katakwar, Gaurav R Sawarbandhe, Moreshwar J Jenekar, Priyanka N Tausif. 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