Partial discharge activity in electrical insulation for high temperature superconducting (HTS) cables

被引：21
|
作者：
Okubo, H. [1 ]
Kojima, H. [1 ]
Endo, F. [1 ]
Sahara, K. [2 ]
Yamaguchi, R. [2 ]
Hayakawa, N. [2 ]
机构：
[1] Nagoya Univ, EcoTopia Sci Inst, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] Nagoya Univ, Dept Comp Sci & Elect Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2008年 / 15卷 / 03期
关键词：
superconducting cables; dielectric liquids; paper insulation; partial discharges; electrical breakdown; laminated paper;
D O I：
10.1109/TDEI.2008.4543100
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper discusses electrical insulation characteristics of liquid nitrogen (LN2) / polypropylene (PP) laminated paper composite insulation system for the practical electrical insulation design of high temperature superconducting (HTS) cables. Partial discharge (PD) inception, propagation and breakdown (BD) characteristics under ac voltage application were obtained and discussed at atmospheric and pressurized conditions. Experimental results were analyzed quantitatively and revealed that void-type discharge was categorized as an important form of discharge to characterize the transition of PD activity leading to BD.
引用
收藏
页码：647 / 654
页数：8
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