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

Author(s) : KANG H., KIM H. J., BAE D. K., et al.

Type of article: Article

Summary

The 21st Century Frontier R&D Program was planned to develop and commercialise the inductive Superconducting Fault Current Limiter (SFCL) in Korea until 2011. The 1.2 kV/80 A inductive SFCL was planned to develop at the first year and the 6.6 kV/200 A inductive SFCL for short run operation test was planned to develop at the second and third year. 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.

Details

  • Original title: Sub-cooled nitrogen cryogenic cooling system for superconducting fault current limiter by using GM-cryocooler.
  • Record ID : 2005-2397
  • Languages: English
  • Source: Cryogenics - vol. 45 - n. 1
  • Publication date: 2005/01

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