Thermal quench behaviors of no-insulation coils wound using gdbco coated conductor tapes with various lamination materials

Yoon Hyuck Choi, Oh Jun Kwon, Young Gyun Kim, Jung Bin Song, Ji Hyung Kim, Ho Min Kim, Haigun Lee

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

This paper presents the quench initiation and propagation characteristics of no-insulation racetrack coils wound using three types of Cu-stabilized GdBCO coated conductors (CCs), with SUS and brass laminations, and without lamination. The test results show that the minimum quench energy values of the brass-laminated GdBCO CC coil were larger than those of the SUS-laminated one. Moreover, the normal zone propagation velocities of the brass-laminated GdBCO CC coil were greater than those of the SUS-laminated one due to the higher thermal conductivity of brass. Moreover, the nonlaminated GdBCO CC coil exhibited greatly improved thermal stability compared to the brass/SUS-laminated GdBCO CC coils, because the local heat in the event of quenching was easily dissipated due to the absence of lamination.

Original languageEnglish
Article number6606859
JournalIEEE Transactions on Applied Superconductivity
Volume24
Issue number3
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

brasses
Brass
insulation
Tapes
laminates
tapes
Insulation
coils
conductors
propagation velocity
Quenching
Thermal conductivity
Thermodynamic stability
thermal stability
thermal conductivity
quenching
Hot Temperature
brass
heat
propagation

Keywords

  • Lamination
  • minimum quench energy (MQE)
  • no-insulation (NI)
  • normal zone propagation velocity (NZPV)
  • thermal stability

ASJC Scopus subject areas

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

Cite this

Thermal quench behaviors of no-insulation coils wound using gdbco coated conductor tapes with various lamination materials. / Choi, Yoon Hyuck; Kwon, Oh Jun; Kim, Young Gyun; Song, Jung Bin; Kim, Ji Hyung; Kim, Ho Min; Lee, Haigun.

In: IEEE Transactions on Applied Superconductivity, Vol. 24, No. 3, 6606859, 01.01.2014.

Research output: Contribution to journalArticle

Choi, Yoon Hyuck ; Kwon, Oh Jun ; Kim, Young Gyun ; Song, Jung Bin ; Kim, Ji Hyung ; Kim, Ho Min ; Lee, Haigun. / Thermal quench behaviors of no-insulation coils wound using gdbco coated conductor tapes with various lamination materials. In: IEEE Transactions on Applied Superconductivity. 2014 ; Vol. 24, No. 3.
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