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http://dx.doi.org/10.4313/JKEM.2013.26.12.904

Study on Selection of HTS Wire for Fabrication of Fault Current-limiting Type HTS Cables  

Heo, Soung-Ouk (Department of Electrical Engineering, Chonbuk National University)
Kim, Tae-Min (Department of Electrical Engineering, Chonbuk National University)
Han, Byung-Sung (Department of Electrical Engineering, Chonbuk National University)
Du, Ho-Ik (HOPE IT Human Resource Development Center, Chonbuk National University)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.26, no.12, 2013 , pp. 904-908 More about this Journal
Abstract
When an abnormal condition occurs due to a fault current at a consumer location where electricity is supplied through a high-capacity and high-$T_c$ superconducting(HTS) cable, the HTS cable would be damaged if there is no appropriate measure to protect it. Therefore, appropriate measures are needed to protect HTS cables. The fault-current-limiting HTS cable that was suggested in this study performs an ideal transport current function in normal operations and plays a role in limiting a fault current in abnormal operation (i.e., when a fault current is applied). It has a structure that facilitated its self-current-limiting ability through device change and reconfiguration in the existing HTS cable without extra switching equipment. To complete this structure, it is essential to investigate about the selection of the superconducting wire. Therefore, in this paper, HTS wire using two types of different stabilization layer is compared and examined the stability and current limiting properties under the existence of a fault current.
Keywords
Fault current; HTS wire; Stabilization layer; Current limiting properties; Stability; fault-current-limiting HTS cable;
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