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Streak observation of dc pre-breakdown phenomenon in silicone oil/low density polyethylene (LDPE) with different viscosities

Amir Izzani, Mohamed and Ozaki, Ryotaro and Kadowaki, Kazunori (2013) Streak observation of dc pre-breakdown phenomenon in silicone oil/low density polyethylene (LDPE) with different viscosities. International Journal on Electrical Engineering and Informatics, 5 (1). pp. 95-104. ISSN 2085-6830

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Abstract

We observe streak images of dc pre-breakdown in silicone-oil (10 cSt, 100 cSt and 10000 cSt)/low density polyethylene (30 μm in thickness) composite insulation under needle/sphere electrode by using the 20 meter long image guide scope and a streak camera. In the case of composite insulation with 10 cSt of silicone-oil, breakdown light propagates from the needle side under both voltage polarity. However, in the 10000 cSt case, breakdown light propagates from the film side under the negative voltage polarity. The mechanism of these transient phenomena are discussed in this paper.

Item Type: Article
Uncontrolled Keywords: DC breakdown; streak observation; composite insulation
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division: Faculty of Electrical & Electronic Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 24 Dec 2019 02:28
Last Modified: 24 Dec 2019 02:28
URI: http://umpir.ump.edu.my/id/eprint/25390
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