Normal zone propagation characteristics of the HTS wires by heat energy applied

Duck Kweon Bae, Hyoungku Kang, Min Cheol Ahn, Kideok Sim, Yeong Sik Kim, Yong Soo Yoon, Tae Kuk Ko

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Abstract

With the successful commercialization of Bi-2223 powder-in-tube wire, various attempts in the R&D of the high-Tc superconducting (HTS) magnets for high magnetic field applications are being implemented actively. Operating temperature of HTS magnet has to be maintained at the designed level but the magnetic energy and mechanical disturbance can cause unstable operational temperature of HTS magnet. Especially, the generated heat energy of inner HTS winding is apt to be accumulated, so the normal region appears in HTS winding. This paper deals with the quenching characteristics of three kinds of selected Bi-2223 wires: the high current density wire (HC-A) and the high strength wire (HS-A) made by AMSC and HTS wire (HW-I) made by Innost. The Innost wire has the highest minimum quench energy (MQE). The high current density wire has the highest normal zone propagation velocity (NZPV).

Original languageEnglish
Pages (from-to)373-377
Number of pages5
JournalCryogenics
Volume46
Issue number5 SPEC. ISS.
DOIs
Publication statusPublished - 2006 Jan 1

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All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

Bae, D. K., Kang, H., Ahn, M. C., Sim, K., Kim, Y. S., Yoon, Y. S., & Ko, T. K. (2006). Normal zone propagation characteristics of the HTS wires by heat energy applied. Cryogenics, 46(5 SPEC. ISS.), 373-377. https://doi.org/10.1016/j.cryogenics.2005.10.014