Volume Effect of Dynamic Breakdown Strength in LN2 for Insulation Design of Resistive Superconducting Fault Current Limiters

被引：3
|
作者：
Hayakawa, Naoki [1 ]
Ishida, Kazuki [1 ]
Mimbu, Masataka [1 ]
Kojima, Hiroki [1 ]
Isojima, Shigeki [2 ]
Kuwata, Minoru [3 ]
机构：
[1] Nagoya Univ, Dept Elect Engn, Nagoya, Aichi 4648603, Japan
[2] Sumitomo Elect Ind Ltd, Osaka 5540024, Japan
[3] Nisshin Elect Co Ltd, Kyoto 6158686, Japan
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2018年 / 28卷 / 04期
关键词：
Superconducting fault current limiters; quench; liquid nitrogen; bubble; breakdown; insulation design;
D O I：
10.1109/TASC.2018.2799308
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：
Toward the practical and rational insulation design of a resistive superconducting fault current limiter, it is necessary to consider the electrical breakdown (BD) due to the transient bubble generation in liquid nitrogen (LN2) at the quench of the HTS materials. We have been investigating the intrinsic BD characteristics of LN2 without bubbles and the dynamic BD characteristics of LN2 under transient bubble disturbance, respectively. In this paper, we have investigated the dynamic BD characteristics of LN2 for different electrode diameters and gap lengths, and have discussed in terms of the volume effect of dynamic BD strength.
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页数：4
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