当高温超导失超后其电流由分流器承载,分流器材料的选择将影响电流引线冷端热负荷和运行费用.本文通过不同金属材料物性的对比计算,寻找最佳的分流器材料,使得ITER巨型超导磁体的高温超导电流引线运行可靠和费用最低.分流器横截面积确定基于分流器与Bi-2223基体AgAu的电阻率对失超后电流分配比,这样保证超导体转入电阻态后分流器分流大部分电流,同时由于分流器具有很好热沉作用,抑制超导体温度迅速上升,从而避免超导材料烧毁或过热.
参考文献
| [1] | B Seeber.Handbook of Applied Superconductivity[M].Université de Genève,Switzerland,1998 |
| [2] | R Wesche .Thermodynamic Optimization of 70 kA Binary Current Lead[(Final report)LRP 720/02][R].,2002. |
| [3] | R. Heller;S. M. Darweschsad;G. Dittrich;W. H. Fietz;S. Fink;W. Herz;F. Hurd;A. Kienzler;A. Linger;I. Meyer;G. Nother;M. Susser;V. L. Tanna;A. Vostner;R. Wesche;F. Wuchner;G. Zahn .Experimental Results of a 70 kA High Temperature Superconductor Current Lead Demonstrator for the ITER Magnet System[J].IEEE Transactions on Applied Superconductivity: A Publication of the IEEE Superconductivity Committee,2005(2 Pt.2):1496-1499. |
| [4] | Yukikazu Iwasa;Haigun Lee .[J].Cryogenics,2000,40:209. |
| [5] | R Hellerl;W H Fietzl.Results of the EU-HTS current lead program and impact for ITER[A].Grenoble,France,2005 |
| [6] | Yanfang Bi .Conceptual Design of HTS Current Leads for the ITER TF,CS,PF and CC Coils,ITER,N 11 TD 137 FP[Z].,2007. |
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