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Механизмы возникновения частичных разрядов в горючих сланцах

Механизмы возникновения частичных разрядов в горючих сланцах

Abstract

Исследованы механизмы возникновения частичных разрядов в горючих сланцах на примере сланцев Хуаданьского месторождения (КНР) с содержанием органической компоненты ~ 30%. Изучены состав и строение породы средствами электронной микроскопии и элементного анализа минеральной компоненты сланцев. Проведены эксперименты по инициации частичных разрядов в породе. Вследствие весьма высокой гетерогенности горючих сланцев при воздействии напряжения возникает эффект Максвелла – Вагнера. В совокупности с особенностями строения и весьма широким диапазоном электрофизических характеристик компонент породы это приводит к сильному искажению электрического поля в сланцах. В итоге частичные разряды возникают при весьма низких напряженностях электрического поля: 11.6 и 3.9 В/мм при межэлектродном расстоянии ~ 50 и ~ 200 мм соответственно. На возникновение частичных разрядов влияет, главным образом, приложенное напряжение, а не средняя напряженность поля, как у большинства диэлектриков.

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Keywords

горючие сланцы, частичные разряды, Максвелла-Вагнера эффект, электрофизические свойства материалов

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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
Average
Average
Green