Determination of maximum permissible temperature rise considering repetitive over-current characteristics of YBCO coated conductors

Min Jae Kim, Min Cheol Ahn, Seong Eun Yang, Dong Keun Park, Young Jae Kim, Tae Kuk Ko, Chanjoo Lee, Bok Yeol Seok

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Here we suggest stable maximum temperature criteria of YBCO coated conductors (CCs) considering degradation of YBCO by repetitive exposure to excessive temperature rise. Stable maximum permissible temperature was experimentally determined as the maximum temperature at which CC does not suffer from critical current (Ic) degradation or burnout. By comparing various over-current characteristics with short-circuit characteristics in regards to the pattern of generated resistance and joule heating flux, maximum permissible temperature rise of YBCO CC in superconducting fault current limiter (SFCL) can be determined as 400 K. Our research is expected to provide rudimental basis for the temperature design of various superconducting power applications including SFCL.

Original languageEnglish
Article number4497939
Pages (from-to)660-663
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume18
Issue number2
DOIs
Publication statusPublished - 2008 Jun 1

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conductors
Superconducting fault current limiters
Temperature
temperature
resistance heating
degradation
burnout
Degradation
Joule heating
Critical currents
short circuits
Short circuit currents
critical current
Fluxes

All Science Journal Classification (ASJC) codes

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

Cite this

Kim, Min Jae ; Ahn, Min Cheol ; Yang, Seong Eun ; Park, Dong Keun ; Kim, Young Jae ; Ko, Tae Kuk ; Lee, Chanjoo ; Seok, Bok Yeol. / Determination of maximum permissible temperature rise considering repetitive over-current characteristics of YBCO coated conductors. In: IEEE Transactions on Applied Superconductivity. 2008 ; Vol. 18, No. 2. pp. 660-663.
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Determination of maximum permissible temperature rise considering repetitive over-current characteristics of YBCO coated conductors. / Kim, Min Jae; Ahn, Min Cheol; Yang, Seong Eun; Park, Dong Keun; Kim, Young Jae; Ko, Tae Kuk; Lee, Chanjoo; Seok, Bok Yeol.

In: IEEE Transactions on Applied Superconductivity, Vol. 18, No. 2, 4497939, 01.06.2008, p. 660-663.

Research output: Contribution to journalArticle

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