Qualitative analysis on adiabatic and dynamic stability of LTS/HTS hybrid conductor with concentric configuration  

作　　者：WANG YinShun LI Xiao XUE Chi ZHAO LianQi 

机构地区：[1]The State Key Laboratory for Alternate Electrical Power System with Renewable Sources,Key Laboratory of HV and EMC Beijing,North China Electric Power University,Beijing 102206,China [2]Zhongtian Technology Group Company,Ltd.,Shanghai 200025,China

出　　处：《Science China(Technological Sciences)》2012年第7期1881-1885,共5页中国科学（技术科学英文版）

基　　金：supported in part by the National Natural Science Foundation of China (Grant No. 51077051)

摘　　要：The I-V characteristic of a superconductor is generally described by power-law,in which the superconductor with a high n transfers quickly from superconducting state to the normal conducting state.With a high transport current,in the low n value area,flux flow voltage becomes lower than in the high n value area,so that the transient characteristics strongly affect its stability.Based on those properties,we propose a new hybrid conductor which is made of low temperature superconductor(LTS) and high temperature superconductor(HTS) with concentric configuration in which the HTS coat is located outside of the LTS core.According to their power-law models,the modified adiabatic and dynamic stability criteria are qualitatively obtained by taking account into not only their critical currents but also n values.As a result,the new hybrid conductors have potential applications with higher engineering current density and improved stability.

关 键 词：adiabatic stability criteria concentric configuration dynamic stability hybrid conductor n value 

分 类 号：O511[理学—低温物理] TP13[理学—物理]