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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">pimi</journal-id><journal-title-group><journal-title xml:lang="ru">Приборы и методы измерений</journal-title><trans-title-group xml:lang="en"><trans-title>Devices and Methods of Measurements</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-9506</issn><issn pub-type="epub">2414-0473</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/2220-9506-2018-9-2-121-129</article-id><article-id custom-type="elpub" pub-id-type="custom">pimi-374</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>Средства измерений</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Measuring instruments</subject></subj-group></article-categories><title-group><article-title>ИЗМЕРЕНИЕ ХОДА ТАРЕЛЬЧАТЫХ ПРУЖИН В СИЛОВЫХ АККУМУЛЯТОРАХ СЕРДЕЧНИКА СТАТОРА ТУРБОГЕНЕРАТОРА С ПОМОЩЬЮ ЕМКОСТНОГО СЕНСОРА</article-title><trans-title-group xml:lang="en"><trans-title>MEASURING THE STROKE OF CONE DISK SPRINGS IN POWER ACCUMULATORS OF THE TURBOGENERATOR STATOR CORE USING A CAPACITIVE SENSOR</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>Левицкий</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Levytskyi</surname><given-names>A. S.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зайцев</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaitsev</surname><given-names>I. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки: Зайцев Е.А. – Институт электродинамики НАН Украины, пр. Победы, 56, г. Киев 03680,    e-mail: zaitsev@i.ua</p></bio><bio xml:lang="en"><p>Address for correspondence: Zaitsev I.O. – The Institute of Electrodynamics of the NAS of Ukraine, Peremogy Ave., 56, Kyiv 03057, Ukraine.     e-mail: zaitsev@i.ua</p></bio><email xlink:type="simple">zaitsev@i.ua</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>Кобзарь</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kobzar</surname><given-names>K. O.</given-names></name></name-alternatives><bio xml:lang="ru"/><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт электродинамики НАН Украины</institution><country>Украина</country></aff><aff xml:lang="en"><institution>Institute of Electrodynamics of the NAS of Ukraine</institution><country>Ukraine</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Завод «Электротяжмаш»</institution><country>Украина</country></aff><aff xml:lang="en"><institution>State Enterprise plant «Electrotyazmzsh»</institution><country>Ukraine</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>15</day><month>06</month><year>2018</year></pub-date><volume>9</volume><issue>2</issue><fpage>121</fpage><lpage>129</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Левицкий А.С., Зайцев Е.А., Кобзарь К.А., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Левицкий А.С., Зайцев Е.А., Кобзарь К.А.</copyright-holder><copyright-holder xml:lang="en">Levytskyi A.S., Zaitsev I.O., Kobzar K.O.</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://pimi.bntu.by/jour/article/view/374">https://pimi.bntu.by/jour/article/view/374</self-uri><abstract><p>Безаварийная и эффективная работа мощных турбогенераторов в значительной степени зависит от стабильности их основных механических параметров, к которым относится давление прессовки сердечника статора. Целью работы являлось обоснование возможности применения многоэлементного емкостного сенсора с компланарными электродами для измерения хода тарельчатых пружин в силовых аккумуляторах систем стабилизации давления сердечника статора турбогенератора.</p><p>Состояние прессовки сердечника косвенным образом можно оценить, измеряя ход тарельчатых пружин в силовых аккумуляторах, которые устанавливаются на стяжных призмах сердечника вместо стяжных гаек. Для измерения хода пружин предложено применение компланарного емкостного сенсора с секторальными электродами, который встраивается в конструкцию силовых аккумуляторов. Каждый сектор содержит свой элементарный сенсор, который размещен на кольцевой диэлектрической пластине и образован компланарными электродами, являющимися составной частью соосных концентрических колец, образующих компланарный емкостной сенсор. Сенсор состоит из высокопотенциального, низкопотенциального и заземленного электродов. Заземленный электрод расположен между высокопотенциальным и низкопотенциальным электродами, а также вокруг них.</p><p>Приведена упрощенная аналитическая модель расчета для получения аналитической зависимости изменения информативной составляющей электрической емкости сенсора от хода тарельчатых пружин в силовых аккумуляторах. Достоверность модели и характеристики зависимости подтверждена экспериментально при испытании лабораторного образца емкостного сенсора.</p></abstract><trans-abstract xml:lang="en"><p>The troubleproof and efficient work of powerful turbogenerators depends on the stability of their main mechanical parameters, which include the stator core pressing. The aim of the work was to describe the possibility of using a multielement capacitive sensor with coplanar electrodes to measure the movement of disk springs of the stabilizer systems power batteries in the turbogenerator stator core.</p><p>The state of the core pressurizer can be indirectly assessed by measuring the displacement of the disk springs in power accumulators, which are installed on the tightening prism of the core instead of the compression nuts. To measure the movement of springs, a coplanar capacitive sensor with sectoral electrodes built into the power accumulators design is proposed. Each sector contains its own elementary sensor formed by coplanar electrodes. Each elementary sensor in each sector is placed on an annular dielectric plate and is formed by coplanar electrodes that are part of coaxial concentric rings. The sensor consists of a high-potential, low-potential and grounded electrodes. A grounded electrode is located between the high-potential and low-potential electrodes, as well as around them.</p><p>A simplified analytical calculation model for obtaining the analytical response characteristic of the change in the informative component of the sensor electric capacity on the course of the disk springs in the CA is presented. The reliability of the model and the response characteristics are confirmed experimentally by testing a laboratory prototype of a capacitive sensor.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>турбогенератор</kwd><kwd>стабилизация давления прессовки сердечника статора</kwd><kwd>силовой аккумулятор</kwd><kwd>тарельчатая пружина</kwd><kwd>емкостный сенсор</kwd></kwd-group><kwd-group xml:lang="en"><kwd>turbogenerator</kwd><kwd>stabilization of the pressure of pressing the stator core</kwd><kwd>power accumulator</kwd><kwd>cone disk spring</kwd><kwd>capacitive sensor</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">Голоднова, О.С. Анализ и мероприятия по предупреждению повреждений сердечников статоров турбогенераторов / О.С. Голоднова, Г.В. 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