Experimental Dipole to Test for Current Redistribution in a REBCO Tape-Stack Cable

被引：1

作者：

Rogers, John ^{[1
,2
]}

Bowerman, Connor ^{[1
,2
]}

Coats, Cannon ^{[1
,2
]}

Kauffman, Zachary ^{[1
,2
]}

May, Gareth ^{[1
,2
]}

McIntyre, Peter ^{[1
,2
]}

机构：

[1] Texas A&M Univ, College Stn, TX 77845 USA

[2] Acelerator Technol Corp, College Stn, TX 77845 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2024年 / 34卷 / 05期

关键词：

Windings; Integrated circuit modeling; Superconducting cables; Power cables; Probes; Magnetic fields; High-temperature superconductors; Conformal winding; current sharing; HTS; non-insulated windings; REBCO;

D O I：

10.1109/TASC.2024.3369013

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：

Recent theoretical studies have suggested the feasibility of using a non-insulated, non-transposed REBCO tape-stack cable in a high-field dipole winding. Variation in magnetic field across the tape-stack induces a redistribution of current as the cable current is increased. As each tape approaches its critical current, the dynamic rise in tape resistance drives currents to redistribute preventing premature quench. A lumped network circuit model coupled with magnetic field simulation has been used to predict the dynamics. A small-scale model dipole has been designed to experimentally study current redistribution in a model dipole containing a racetrack tape-stack REBCO winding. The model dipole will operate at liquid nitrogen temperature with a central field of similar to 0.25 T. The predicted dynamics for current redistribution are similar to what is expected in the REBCO insert winding for a high-field hybrid dipole.

引用

页码：1 / 5

页数：5

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