AC Treeing of Ethylene-Propylene Rubber in Cryogenic Temperature Region

• Minoda Atsushi

  Toyohashi University of Technology

• Mitsuyama Yasuichi

  Toyohashi University of Technology

• Mizuno Yukio

  Nagoya Institute of Technology

• Nagao Masayuki

  Toyohashi University of Technology

• Kosaki Masamitsu

  Toyohashi University of Technology

Bibliographic Information

Other Title

• 極低温領域におけるエチレンプロピレンゴムの交流トリーイング特性
• キョクテイオン リョウイキ ニ オケル エチレンプロピレンゴム ノ コウリュウ

Abstract

The authors have proved that ethylene-propylene rubber (EPR) is suitable for the solid electrical insulating material of superconducting and cryoresistive cables due to its excellent mechanical and good electrical properties. It is imperative to study the treeing resistivity of EPR in view of long term reliability as a cable insulator.<br>The objectives of this paper are to establish an AC treeing test method of opaque EPR samples with fillers and to examine the treeing resistivity of EPR at both liquid nitrogen and room temperatures and the effect of fillers on treeing resistivity. It was found that EPR has enough resistance to AC treeing at liquid nitrogen temperature and that fillers improve AC treeing resistivity slightly. High reliability of EPR insulation is expected during the long term operation at cryogenic temperature.

Journal

• IEEJ Transactions on Fundamentals and Materials

  IEEJ Transactions on Fundamentals and Materials 117 (6), 614-620, 1997

  The Institute of Electrical Engineers of Japan

Keywords

• エチレンプロピレンゴム
• 極低温
• 交流トリー
• 充填剤

Details

• CRID: 1390282679577265280
• NII Article ID: 130006840039
• NII Article ID: 10002822117
• NII Book ID: AN10136312
• DOI: 10.1541/ieejfms1990.117.6_614
• ISSN: 13475533
• ISSN: 03854205
• NDL BIB ID: 4216162
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4216162
• Web Site: https://www.jstage.jst.go.jp/article/ieejfms1990/117/6/117_6_614/_pdf
• Data Source:
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  • CiNii Articles
• Abstract License Flag: Disallowed