Spike voltages seen during ''quick charge'' ramp limitation tests on Nb3Sn cable-in-conduit conductors

被引：17
|
作者：
Takayasu, M
Vysotsky, VS
Jeong, S
Michael, PC
Schultz, JH
Minervini, JV
机构：
[1] Plasma Fusion Center, MIT, Cambridge
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1997年 / 7卷 / 02期
关键词：
D O I：
10.1109/77.614444
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：
Spike voltages observed during ramp rate limitation tests on sub-sized Nb3Sn cable-in-conduit superconductors are analyzed using a current loop model. The effects of loop currents on the ramp rate limitations of multi-strand superconducting cables are discussed. Current existing in multistrand cables generate excess local currents that quench strands and produce voltage spikes. Experimental results previously reported as abnormal ramp rate limitations are explained by loop current phenomena.
引用
收藏
页码：150 / 154
页数：5
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