Numerical and Experimental Analysis of Normal Zone Propagation on 2G HTS Wires

被引：42

作者：

Pelegrin, Jorge ^{[1
]}

Martinez, Elena ^{[1
]}

Angurel, Luis A. ^{[1
]}

Xie, Yi-Yuan ^{[2
]}

Selvamanickam, Venkat ^{[3
]}

机构：

[1] Univ Zaragoza, Inst Ciencia Mat Aragon, CSIC, Zaragoza 50018, Spain

[2] SuperPower Inc, Schenectady, NY 12304 USA

[3] Univ Houston, Houston, TX 77004 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2011年 / 21卷 / 03期

关键词：

Coated conductors; experimental; normal zone; numerical; quench; REBCO; superconductors; thermal stability; TAPE;

D O I：

10.1109/TASC.2010.2084982

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：

In this paper we analyse numerically and experimentally the quench behavior of Cu-stabilized second-generation high temperature superconducting (2G HTS) wires at self-field and in adiabatic conditions. The electric field profiles along the superconductor after applying an energy pulse to the conductor have been obtained together with the parameters characterizing the quench: minimum quench energy (MQE) and the normal zone propagation velocity (NZPV). The analysis has been performed at different temperatures, T, between 72 K and 77 K, and at different applied currents, I/I-c(T) < 1, I-c being the critical current. Our analysis shows that the numerical results obtained by finite element method (FEM) are closer to the experimental MQE values when the contribution of the thermal mass of the heater is taken into account.

引用

页码：3041 / 3044

页数：4

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