Sub-cooled nitrogen cryogenic cooling system for superconducting fault current limiter by using GM-cryocooler

Hyoungku Kang, Hyung Jin Kim, Duck Kweon Bae, Min Cheol Ahn, Ho Myung Chang, Tae Kuk Ko

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The 21st Century Frontier R&D Program was planned to develop and commercialize the inductive Superconducting Fault Current Limiter (SFCL) in Korea until 2011. The 1.2kV/80 A inductive SFCL was planned to develop at the first year in the first phase (2001-2002) and the 6.6kV/200A inductive SFCL for short run operation test was planned to develop at the second and third year in the first phase (2002-2004). The experimental characteristics of conduction-cooled cooling system developed in the first year was very weak from the sudden large thermal disturbance. Therefore, the conduction-cooled cooling system was concluded not appropriate for the cryogenic technology of the application of superconducting fault current limiter. In the third year research, the improved sub-cooled nitrogen cooling system was adopted and investigated. In this paper, the characteristics of each cooling type was compared and the basic deign of ameliorated cooling system was introduced and the total heat load of the cooling system was calculated and compared with the heat load of the cooling system developed at 2nd year research.

Original languageEnglish
Pages (from-to)65-69
Number of pages5
JournalCryogenics
Volume45
Issue number1
DOIs
Publication statusPublished - 2005 Jan 1

Fingerprint

Superconducting fault current limiters
cryogenic cooling
cooling systems
Cooling systems
Cryogenics
Nitrogen
nitrogen
Thermal load
conduction
heat
Korea
cryogenics
Enthalpy
disturbances
Cooling
cooling

All Science Journal Classification (ASJC) codes

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

Cite this

Kang, Hyoungku ; Kim, Hyung Jin ; Bae, Duck Kweon ; Ahn, Min Cheol ; Chang, Ho Myung ; Ko, Tae Kuk. / Sub-cooled nitrogen cryogenic cooling system for superconducting fault current limiter by using GM-cryocooler. In: Cryogenics. 2005 ; Vol. 45, No. 1. pp. 65-69.
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Sub-cooled nitrogen cryogenic cooling system for superconducting fault current limiter by using GM-cryocooler. / Kang, Hyoungku; Kim, Hyung Jin; Bae, Duck Kweon; Ahn, Min Cheol; Chang, Ho Myung; Ko, Tae Kuk.

In: Cryogenics, Vol. 45, No. 1, 01.01.2005, p. 65-69.

Research output: Contribution to journalArticle

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AU - Kim, Hyung Jin

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