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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0368-1025it.2021-4-16-21</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-1896</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>ОБЩИЕ ВОПРОСЫ МЕТРОЛОГИИ И ИЗМЕРИТЕЛЬНОЙ ТЕХНИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>GENERAL PROBLEMS OF METROLOGY AND MEASUREMENT TECHNIQUES</subject></subj-group></article-categories><title-group><article-title>Двумерный метод половинного деления для точного измерения параметров синусоидальных или периодических электрических величин</article-title><trans-title-group xml:lang="en"><trans-title>Half division two-dimensional method for simple sinusoidal quantities parameters accurate measurement</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6844-4490</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соломенцев</surname><given-names>К. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Solomentsev</surname><given-names>K. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кирилл Юрьевич Соломенцев</p><p>г. Новочеркасск, Ростовская обл.</p><p> </p></bio><bio xml:lang="en"><p>Kirill Yu. Solomentsev</p><p>Novocherkassk, Rostov region</p></bio><email xlink:type="simple">sol_kir@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/0000-0002-7337-229X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лачин</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Lachin</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вячеслав Иванович Лачин</p><p>г. Новочеркасск, Ростовская обл.</p></bio><bio xml:lang="en"><p>Vyacheslav I. Lachin</p><p>Novocherkassk, Rostov region</p></bio><email xlink:type="simple">lachinv@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/0000-0002-3939-1593</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пасенчук</surname><given-names>А. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Pasenchuk</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Эдуардович Пасенчук</p><p>г. Новочеркасск, Ростовская обл.</p></bio><bio xml:lang="en"><p>Aleksandr E. Pasenchuk</p><p>Novocherkassk, Rostov region</p></bio><email xlink:type="simple">pasenchuk@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Южно-Российский государственный политехнический университет (НПИ) им. М. И. Платова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Platov South-Russian State Polytechnic University (NPI)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>01</day><month>08</month><year>2023</year></pub-date><volume>0</volume><issue>4</issue><fpage>16</fpage><lpage>21</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Соломенцев К.Ю., Лачин В.И., Пасенчук А.Э., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Соломенцев К.Ю., Лачин В.И., Пасенчук А.Э.</copyright-holder><copyright-holder xml:lang="en">Solomentsev K.Y., Lachin V.I., Pasenchuk A.E.</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.izmt.ru/jour/article/view/1896">https://www.izmt.ru/jour/article/view/1896</self-uri><abstract><p>Для построения средств измерений синусоидальных или периодических электрических величин предложено использовать двумерный метод половинного деления. Данные средства измерений применяются при диагностике электроэнергетических объектов. Предложено несколько вариантов двумерного метода половинного деления. Рассмотрен наиболее универсальный вариант, названный методом средних точек. Метод средних точек позволяет измерять гораздо меньшие (порядка сотен микроампер) переменные токи или напряжения, чем с использованием широко распространённых методов, особенно при изменении амплитуды измеряемого сигнала в очень широких пределах (на один-два порядка). Показано, что с помощью метода средних точек можно подавлять синусоидальную или периодическую помеху в измерительном тракте, в частности, измерять малый переменный ток, когда синусоидальная или периодическая помеха на один-два порядка превышает полезный сигнал. По результатам сравнительных испытаний установлено, что устройство измерения тока, реализующее метод средних точек, на порядок чувствительнее используемых в настоящее время высокоточных средств измерений.</p></abstract><trans-abstract xml:lang="en"><p>Several variants of half division two-dimensional method are proposed, which is the basis of a fundamentally new approach for constructing measuring instruments for sinusoidal or periodic electrical quantities. These measuring instruments are used in the diagnosis of electric power facilities. The most general variant, called midpoint method, is considered. The proposed midpoint method allows you to measure much smaller than using widespread methods, alternating currents or voltages, especially when changing the amplitude of the measured signal in very wide ranges, by 1–2 orders of magnitude. It is shown that using the midpoint method it is possible to suppress sinusoidal or periodic interference in the measuring path, in particular, to measure small alternating current when sinusoidal or periodic interference is 1–2 orders of magnitude higher than the useful signal. Based on the results of comparative tests, it was found that the current measuring device implementing the midpoint method is an order of magnitude more sensitive than the currently used high-precision measuring instruments.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>измерение электрических величин</kwd><kwd>метод половинного деления</kwd><kwd>синусоидальный сигнал</kwd><kwd>комплексная переменная</kwd></kwd-group><kwd-group xml:lang="en"><kwd>electrical quantities measurement</kwd><kwd>half division method</kwd><kwd>sinusoidal signal</kwd><kwd>complex variable</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">Лейтман В. Б., Шахназаров А. М. Компенсационные измерительные преобразователи электрических величин. М.: Энергия, 1978. 224 с.</mixed-citation><mixed-citation xml:lang="en">Leitman V. B., Shakhnazarov A. 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