Effect of conductive-zone sizes and positions on the characteristics of discharge activity on a solid insulation surface

Результат исследований: Публикации в книгах, отчётах, сборниках, трудах конференцийстатья в сборнике материалов конференциинаучнаярецензирование

Аннотация

The work considers partial discharge activity on the insulator surface that is partially covered with water (conductive zones). A discharge is characterized by the magnitude of the apparent charge passing through the system when the conductive zones short out with a spark. The present work shows how various configurations of conductive zones (their size, distance between them, location on the insulator) affect the mean interzone electric field and the apparent charge. Attention is paid not only to the onset of discharge activity when the surface of the insulator is still hydrophobic, but also to the case when the hydrophobicity is lost and discharges occur between conductive films covering a large area of the insulator. The research is carried out with the help of computer simulation using Comsol Multiphysics software package. The results show that the characteristic apparent-charge value indicates the state of the insulator surface: there are only droplets, isolated shed-sized conducting zones, or large conducting zones that cover most of the surface.

Язык оригиналаанглийский
Название основной публикацииProceedings of the 2020 IEEE 3rd International Conference on Dielectrics, ICD 2020
ИздательInstitute of Electrical and Electronics Engineers Inc.
Страницы329-332
Число страниц4
ISBN (электронное издание)9781728189833
DOI
СостояниеОпубликовано - 5 июл 2020
Событие3rd IEEE International Conference on Dielectrics, ICD 2020 - Virtual, Valencia, Испания
Продолжительность: 5 июл 20209 июл 2020

Серия публикаций

НазваниеProceedings of the 2020 IEEE 3rd International Conference on Dielectrics, ICD 2020

конференция

конференция3rd IEEE International Conference on Dielectrics, ICD 2020
СтранаИспания
ГородVirtual, Valencia
Период5/07/209/07/20

Предметные области Scopus

  • Электротехника и электроника
  • Электроника, оптика и магнитные материалы

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