Design of High Field HTS Coils for Magnetic Mirror

被引：1

作者：

Radovinsky, Alexi ^{[1
]}

Zhukovsky, Alexander ^{[1
]}

Kelton, Nick ^{[1
]}

Kristofek, Grant ^{[1
]}

Kuznetsov, Sergey ^{[1
]}

Nash, Daniel ^{[1
]}

Sanabria, Charlie ^{[1
]}

LaBombard, Brian ^{[2
]}

Brunner, Daniel ^{[1
]}

机构：

[1] Commonwealth Fus Syst, Cambridge, MA 02139 USA

[2] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2023年 / 33卷 / 05期

关键词：

Conduction-cooled; high-temperature superconducting (HTS) magnet; partially insulated (PI); REBCO;

D O I：

10.1109/TASC.2023.3240377

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：

This paper outlines the preliminary design of an experimental compact (<2 tons), high-field (similar to 20 T on tape, similar to 17 T at center bore), and conduction-cooled HTS REBCO magnet. An identical pair of these magnets will be manufactured for a magnetic mirror axial fusion device. The magnet consists of eight single pancakes in series, each of which is an interchangeable, dry-wound, partial-insulated winding. Once charged, the magnet is operated with a constant current and will be used in the presence of other magnets. Field-induced mechanical stresses in the winding pack are managed using a novel technique of 'partitions' keyed into structural plates. The system is conduction-cooled by cryocoolers to operate at 20 K. The winding pack is mechanically supported and thermally isolated in the cryostat by high-strength, low-thermal conductivity brackets designed to sustain over 60 tons of axial loading during peak device operating conditions.

引用

页数：5

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