Coupling- and Persistent-Current Magnetizations of Nb3Sn Rutherford Cables

被引：8
|
作者：
Collings, Edward W. [1 ]
Sumption, Michael D. [1 ]
Susner, Michael A. [1 ]
Barzi, Emanuela [2 ]
Turrioni, Daniel [2 ]
Yamada, R. [2 ]
Zlobin, Alexander V. [2 ]
Nijhuis, Arend [3 ]
机构：
[1] Ohio State Univ, CSMM, MSE Dept, Columbus, OH 43210 USA
[2] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[3] Univ Twente, Fac Appl Phys, Low Temp Div, NL-7500 AE Enschede, Netherlands
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2010年 / 20卷 / 03期
关键词：
Coupling magnetization; interstrand contact resistance; persistent-current magnetization; Rutherford cable; CONTACT RESISTANCE; STABILITY; STRAND; CORE;
D O I：
10.1109/TASC.2010.2041202
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：
Multistrand cables may exhibit two classes of parasitic magnetization both of which can distort the bore-field of the host magnet. They are: (1) a dynamic magnetization that is produced by interstrand coupling currents generated by time-varying magnet excitation and moderated by the interstrand contact resistances (ICR), (2) a static magnetization ("hysteretic") resulting from the intrastrand persistent currents. This paper (i) compares the ICRs of two sets of cables with and without stainless steel cores and subjected to three levels of compaction during cabling, (ii) presents the results within the context the previously measured ICRs of a series of similar cables with cores of various widths, and (iii) concludes by comparing the LHC-ramp-rate induced coupling magnetization of a typical Rutherford cable with its transport-current-moderated persistent-current magnetizations at low and high fields.
引用
收藏
页码：1387 / 1390
页数：4
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