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К механизму электрического старения полимерных изоляционных материалов

К механизму электрического старения полимерных изоляционных материалов

Abstract

The investigation results of interconnection of structure and polyvinylidene fluoride (PVDF) properties under the influence of the glow flare discharge interaction carried out in the medium of residual gases of the ambient air, argon and SF6 are presented. It is shown that the quantity of the accumulated electric charges in the samples under influence of the electric discharge depends on defects and the degree of sample defects. The investigations of thermally stimulated relaxation of charges from PVDF samples have been carried out. This gives a chance to qualitatively estimate changes in the defect size and the degree of sample defects by changing material properties.

Приведены результаты исследований взаимосвязей структуры и свойства образцов поливинилиденфторида (ПВДФ), подвергнутых воздействию тлеющего и факельного разрядов, осуществляемых в среде остаточных газов атмосферного воздуха, аргона и SF6. Показано, что количество накопленных электрических зарядов в образцах, подвергшихся воздействию электрического разряда, зависит от дефектов и степени дефектности образцов. Были исследованы процессы термостимулированной релаксации зарядов с образцов ПВДФ. Это дает возможность качественно оценить изменение размеров дефектов и степени дефектности образцов путем изменения свойства материала.

Keywords

полимерные диэлектрики, электрический разряд, газовые включения, электроизоляция, электрический разряд, поливинилиденфторид, кристаллизация

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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
gold