The barrier effect on breakdown for design of 154 kV class HTS transformer

H. G. Cheon, J. H. Choi, K. J. Kim, Haigun Lee, S. H. Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

LN2 is used as an insulating material as well as a cryogen for a 154 kV class HTS transformer. However, main insulation with LN2 is not enough, and thus, research on barrier has been performed. The most of experiments on this barrier effect are combination of paper and air (air, SF6, etc.), and also the results from these experiments on barrier effect are insufficient to be used practically for the electric insulation design of the 154 kV class HTS transformer. Moreover, there are insufficient researches regarding cryogenic liquid used for superconducting equipments. In this paper, we examined the breakdown properties of the barrier related to the position, number and materials. With the database in the electrical breakdown properties, the electric insulation design as the main insulation for the 154 kV class.

Original languageEnglish
Article number5675715
Pages (from-to)1434-1437
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume21
Issue number3 PART 2
DOIs
Publication statusPublished - 2011 Jun 1

Fingerprint

Electric insulation
transformers
insulation
Insulation
breakdown
Cryogenic liquids
Insulating materials
Air
Experiments
air
electrical faults
cryogenics
liquids

Keywords

  • Barrier
  • Breakdown
  • GFRP
  • Pressboard

ASJC Scopus subject areas

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

Cite this

The barrier effect on breakdown for design of 154 kV class HTS transformer. / Cheon, H. G.; Choi, J. H.; Kim, K. J.; Lee, Haigun; Kim, S. H.

In: IEEE Transactions on Applied Superconductivity, Vol. 21, No. 3 PART 2, 5675715, 01.06.2011, p. 1434-1437.

Research output: Contribution to journalArticle

Cheon, H. G. ; Choi, J. H. ; Kim, K. J. ; Lee, Haigun ; Kim, S. H. / The barrier effect on breakdown for design of 154 kV class HTS transformer. In: IEEE Transactions on Applied Superconductivity. 2011 ; Vol. 21, No. 3 PART 2. pp. 1434-1437.
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