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Изучение нагревостойкости Ð½Ð¾Ð²Ñ‹Ñ Ñ‚Ð¸Ð¿Ð¾Ð² высоковольтной бумажно-пропитанной композиции

выпускная квалификационная работа магистра

Изучение нагревостойкости Ð½Ð¾Ð²Ñ‹Ñ Ñ‚Ð¸Ð¿Ð¾Ð² высоковольтной бумажно-пропитанной композиции

Abstract

В настоящей работе, предметом исследований являются свойства новых типов бумажно-пропитанной композиции составленных на основе перспективных видов электроизоляционных бумаг в связке с жидкими диэлектриками. Основной целью исследований является изучение характеристик, в частности нагревостойкости, перспективных бумажно-пропитанных композиций с последующим анализом результатов. Задачи, которые решались в ходе исследования: 1. Изучение условий работы традиционной высоковольтной изоляции и выявление основных причин ее выхода из строя. 2. Изучение некоторых методов модификации компонентов изоляции и выводы об особенностях их использования. 3. Исследование свойств новых перспективных видов композиций изучаемых в настоящей работе. 4. Оценка полученных результатов и разработка рекомендаций о целесообразности использования изученных образцов. Работа проведена на базе лаборатории СПБПУ Петра Великого, где собиралась основная часть фактического материала. Выполнено исследование механических и электрофизических свойств изучаемых образцов бумаги. Определены коэффициенты светопропускания диэлектрических жидкостей. Так же проведено изучение сравнительной нагревостойкости, основанное на изменении предела механической прочности на разрыв, в процессе термостарения и сорбционной способности с применением оптических методов исследования.

In this work, the subject of research is the properties of new types of paper-impregnated compositions composed on the basis of promising types of electrical insulating papers in conjunction with liquid dielectrics. The main purpose of the research is to study the characteristics, in particular heat resistance, of promising paper-impregnated compositions with subsequent analysis of the results. Tasks that were solved during the study: 1. Study of the working conditions of traditional high-voltage insulation and identification of the main causes of its failure. 2. Study of some methods of modification of insulation components and conclusions about the features of their use. 3. Investigation of the properties of new promising types of compositions studied in this work. 4. Evaluation of the results obtained and development of recommendations on the appropriateness of the use of the studied samples. The work was carried out on the basis of the laboratory of Peter the Great SPBPU, where the bulk of the factual material was collected. The mechanical and electrophysical properties of the studied paper samples were investigated. The coefficients of light transmission of dielectric liquids are determined. The study of comparative heat resistance based on the change in the limit of mechanical tensile strength, in the process of thermal engineering and sorption capacity with the use of optical research methods was also carried out.

Keywords

Диэлектрики жидкие, heat resistance, нагревостойкость, Ð¼ÐµÑ Ð°Ð½Ð¸Ñ‡ÐµÑÐºÐ°Ñ прочность, mechanical strength, cellulose dielectrics, Трансформаторы силовые, целлюлозные диэлектрики, электрофизические свойства, Электрические линии передачи высоковольтные, electrophysical properties, термостарение, thermal aging

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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