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Газостойкость и термостабильность трансформаторных масел в электрическом поле

Authors: Gainullina, L.R.; Tutubalina, V.P.;

Газостойкость и термостабильность трансформаторных масел в электрическом поле

Abstract

Гайнуллина Лейсан Раисовна, канд. техн. наук, доцент, кафедра «Энергообеспечение предприятий и энергоресурсосберегающих технологий», Казанский государственный энергетический университет, г. Казань; gainullina7819@mail.ru. Тутубалина Валерия Павловна, д-р техн. наук, профессор, главный научный сотрудник, Казанский государственный энергетический университет, г. Казань. L.R. Gainullina, gainullina7819@mail.ru, V.P. Tutubalina Kazan State Power Engineering University, Kazan, Russian Federation Изучена газостойкость и термическая стабильность трансформаторных масел марок ВГ, ГК и ТАп в электрическом поле высокой напряженности. Эти масла отличаются способом очистки, содержанием серы и структурно-групповым составом. Экспериментально была установлена взаимосвязь газовыделения или газопоглощения исследованных масел от содержания в них ароматических углеводородов и общей серы. Установлено, что с ростом количества ароматических углеводородов и сераорганических соединений в составе масла повышается газопоглощающая способность масел, что видно на примере масла ТАп. Снижение концентрации ароматических углеводородов и количества сераорганических соединений в масле сопровождается возрастанием газовыделения из испытанных масел марок ВГ и ГК. Показано, что термическая стабильность к окислению углеводородов масел ВГ, ГК и ТАп и газообразование в них зависит от количества ароматических углеводородов и сераорганических соединений. Эксплуатационные свойства трансформаторных масел определяются их газостойкостью и термической стабильностью в электрическом поле. This paper presents analysis into the gas stability and thermal stability of ВГ, ГК, and ТАп transformer oils in a high-tension electric field. These oils differ in terms of purification method, sulfur content, and hydrocarbon- type composition. Experiments indicate a correlation between gasp absorption / gas emission of the studied oils and the content of aromatic hydrocarbons and general sulfur in the same oils. Greater quantity of aromatic hydrocarbons and organosulfur compounds is found to increase gas absorption, which is demonstrated by the ТАп oil sample. Lesser concentration of aromatic hydrocarbons and organosulfur compounds increases the gas emission of the tested ВГ and ГК oils. It is demonstrated that the quantity of aromatic hydrocarbons and organosulfur compounds does affect the generation of gas in these three oil types, as well as the thermal stability of their hydrocarbons to oxidation. Operating properties of transformer oils depend on their gas stability and thermal stability in electric fields.

Keywords

термическая стабильность, УДК 661.13, transformer oil, gas stability, сераорганические соединения, organosulfur compounds, газостойкость, трансформаторное масло, thermal stability

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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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