AC LOSSES IN BI-2212 SUPERCONDUCTING MAGNET AT 20-K

被引：7
|
作者：
HASE, T
EGI, T
SHIBUTANI, K
HAYASHI, S
OGAWA, R
KAWATE, Y
机构：
[1] Superconducting and Cryogenic Technology Center, Technical Development Group, Kobe Steel Ltd, Nishi-ku, Kobe, Hyogo, 651-22, 5-5 Takatsukadai
来源：
CRYOGENICS | 1994年 / 34卷 / 07期
关键词：
BI-2223; SUPERCONDUCTING MAGNET; AC LOSSES;
D O I：
10.1016/0011-2275(94)90187-2
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A Bi-2212 oxide superconducting magnet has been cooled down to temperatures around 20 K employing a Gifford-McMahon (G-M) cryocooler. An a.c. magnetic field with a peak value of 0.44 T is stably generated at frequencies up to 0.25 Hz (0 T-->0.44 T-->0 T, 4 s per cycle) at almost-equal-to 20 K. The a.c. loss characteristics arising in the magnet are presented. The expected potential of the magnet for a.c. operation with a higher peak magnetic field is also discussed in terms of a.c. loss behaviour.
引用
收藏
页码：603 / 607
页数：5
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