Weibull statistical analysis of quench current of ac superconducting wires and coils

被引：4
作者：
Hayakawa, N
Wakita, M
Hikita, M
Okubo, H
机构：
[1] NAGOYA UNIV,DEPT ELECT ENGN,NAGOYA,AICHI 46401,JAPAN
[2] KYUSHU INST TECHNOL,DEPT ELECT ENGN,TOBATA KU,KITAKYUSHU,FUKUOKA 804,JAPAN
来源：
CRYOGENICS | 1997年 / 37卷 / 02期
关键词：
quench current; local instability; Weibull distribution;
D O I：
10.1016/S0011-2275(96)00101-4
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Quench of superconducting wires can be regarded as probabilistic phenomena due to local instability in the wire. This paper describes statistical scattering in quench current of a.c. superconducting wires and coils using Weibull statistics. Experimental results revealed that, in some cases, the scattering was expressed by mixed Weibull distribution with different shape parameters. These results suggested that there could exist not only intrinsic instabilities with small scattering in quench current, but also other kinds of weak points with large scattering. Probabilistic aspect of quench was also verified and localized and precursory quench phenomena observed. (C) 1997 Elsevier Science Limited.
引用
收藏
页码：91 / 95
页数：5
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