Recent Test Results of the High Field Nb3Sn Dipole Magnet HD2

被引：33

作者：

Ferracin, P. ^{[1
]}

Bingham, B. ^{[1
]}

Caspi, S. ^{[1
]}

Cheng, D. W. ^{[1
]}

Dietderich, D. R. ^{[1
]}

Felice, H. ^{[1
]}

Hafalia, A. R. ^{[1
]}

Hannaford, C. R. ^{[1
]}

Joseph, J. ^{[1
]}

Lietzke, A. F. ^{[1
]}

Lizarazo, J. ^{[1
]}

Sabbi, G. ^{[1
]}

Wang, X. ^{[1
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2010年 / 20卷 / 03期

关键词：

Dipole magnet; Nb3Sn; 35 MM BORE; DESIGN;

D O I：

10.1109/TASC.2010.2042046

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];

摘要：

The 1 m long Nb3Sn dipole magnet HD2, fabricated and tested at Lawrence Berkeley National Laboratory, represents a step towards the development of block-type accelerator quality magnets operating in the range of 13-15 T. The magnet design features two coil modules composed of two layers wound around a titanium-alloy pole. The layer 1 pole includes a round cutout to provide room for a bore tube with a clear aperture of 36 mm. After a first series of tests where HD2 reached a maximum bore field of 13.8 T, corresponding to an estimated peak field on the conductor of 14.5 T, the magnet was disassembled and reloaded without the bore tube and with a clear aperture increased to 43 mm. We describe in this paper the magnet training observed in two consecutive tests after the removal of the bore tube, with a comparison of the quench performance with respect to the previous tests. An analysis of the voltage signals recorded before and after training quenches is then presented and discussed, and the results of coil visual inspections reported.

引用

页码：292 / 295

页数：4

共 7 条

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