Influence of metallic defects on the partial discharges at the interface between epoxy resin and silicone rubber

Makoto Onogi*, Yoshimichi Ohki, Toshihiro Takahashi, Tsuguhiro Takahashi, Tatsuki Okamoto

*この研究の対応する著者

研究成果: Paper査読

抄録

We have proposed a concept of an all solid insulated substation system as a next generation substation from a viewpoint of environmental protection. In order to make the system compact and its layout flexible, a compact connection system with a soft insulating material and a hard one has to be developed. There is a high possibility that the dielectric strength of such a connection system is decreased when a metallic defect such as a wire exists at its interface. Thus, we prepared samples that imitate the interface of the connection system and measured partial discharge inception voltages (PDIV) in both cases that a metal wire was present or not at the interface. When we put the metal wire along the direction of electric field, the PDIV decreases significantly with an increase in the length of the wire, while it decreases a little when the wire is along the equipotential line. The presence of air at the interface also reduces the PDIV.

本文言語English
ページ560-563
ページ数4
DOI
出版ステータスPublished - 2005
イベント2005 International Symposium on Electrical Insulating Materials, ISEIM 2005 - Kitakyushu, Japan
継続期間: 2005 6月 52005 6月 9

Conference

Conference2005 International Symposium on Electrical Insulating Materials, ISEIM 2005
国/地域Japan
CityKitakyushu
Period05/6/505/6/9

ASJC Scopus subject areas

  • 工学一般
  • 材料科学一般

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