Degradation characteristics of superconducting wires with respect to electrical breakdown tests

Jong O. Kang, Onyou Lee, Seungmin Bang, Junil Kim, Hongseok Lee, Jonggi Hong, Seokho Nam, Tae Kuk Ko, Yoon Do Chung, Hyoungku Kang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The electrical insulation design for a superconducting system is important when developing a high-voltage superconducting apparatus as a substitute for a conventional one. In this paper, the degradation characteristics of 2G high temperature superconducting (HTS) wires, with respect to electrical breakdown tests, were studied. It was found that the superconducting materials in 2G HTS wires can be damaged in electrical breakdown, and the damaged structure of 2G HTS wires results in the degradation of the Ic and index number. As a result, it was found that the degradation characteristics of the 2G HTS wires were affected by the stabilizer material and applied breakdown voltage. Thus, the hardness and electrical conductivity of a stabilizer material can be considered as design parameters in developing a high-voltage superconducting coil. Finally, the cross-sectional views of 2G HTS wires were presented using a scanning electron microscope.

Original languageEnglish
Article number6985556
JournalIEEE Transactions on Applied Superconductivity
Volume25
Issue number3
DOIs
Publication statusPublished - 2015 Jun 1

Fingerprint

Superconducting wire
electrical faults
wire
degradation
Degradation
high voltages
Temperature
electrical insulation
Electric potential
Electric breakdown
Superconducting materials
Insulation
Electron microscopes
coils
hardness
electron microscopes
Hardness
substitutes
Scanning
conductivity

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Kang, Jong O. ; Lee, Onyou ; Bang, Seungmin ; Kim, Junil ; Lee, Hongseok ; Hong, Jonggi ; Nam, Seokho ; Ko, Tae Kuk ; Chung, Yoon Do ; Kang, Hyoungku. / Degradation characteristics of superconducting wires with respect to electrical breakdown tests. In: IEEE Transactions on Applied Superconductivity. 2015 ; Vol. 25, No. 3.
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Degradation characteristics of superconducting wires with respect to electrical breakdown tests. / Kang, Jong O.; Lee, Onyou; Bang, Seungmin; Kim, Junil; Lee, Hongseok; Hong, Jonggi; Nam, Seokho; Ko, Tae Kuk; Chung, Yoon Do; Kang, Hyoungku.

In: IEEE Transactions on Applied Superconductivity, Vol. 25, No. 3, 6985556, 01.06.2015.

Research output: Contribution to journalArticle

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T1 - Degradation characteristics of superconducting wires with respect to electrical breakdown tests

AU - Kang, Jong O.

AU - Lee, Onyou

AU - Bang, Seungmin

AU - Kim, Junil

AU - Lee, Hongseok

AU - Hong, Jonggi

AU - Nam, Seokho

AU - Ko, Tae Kuk

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AU - Kang, Hyoungku

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