The effects of co-wound Kapton, stainless steel and copper, in comparison with no insulation, on the time constant and stability of GdBCO pancake coils

Tae Sung Lee, Young Jin Hwang, Jiho Lee, Woo Seung Lee, Jinsub Kim, Seung Hyun Song, Min Cheol Ahn, Tae Kuk Ko

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Recently, studies of partially insulated, high-temperature superconducting (HTS) coils have shown application in the design and construction of compact, stable and self-protecting HTS coils. This article presents the electrical characteristics of HTS coils based on the turn-to-turn inserted materials and conditions. Three partially co-wound pancake coils were fabricated and tested. Each coil was partially co-wound with Kapton, stainless steel and copper tape at every fourth turn of the winding. Tested coils were co-wound on every turn with Kapton, stainless steel and copper tape, and coils without turn-to-turn insulation were the control group. Charge-discharge, sudden-discharge and over-current tests were performed to evaluate the performance of the fabricated coils. The experimental results show that the properties of materials inserted into the coil can control the time constant (τ). Therefore, HTS coils can be designed for specific purposes according to the time constant control. The experimental results of the study could be useful in designing HTS coil applications.

Original languageEnglish
Article number065018
JournalSuperconductor Science and Technology
Volume27
Issue number6
DOIs
Publication statusPublished - 2014 Jun

Fingerprint

Kapton (trademark)
Stainless Steel
insulation
time constant
Insulation
Copper
stainless steels
coils
Stainless steel
copper
Tapes
Temperature
tapes
Superconducting coils

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

Sung Lee, Tae ; Jin Hwang, Young ; Lee, Jiho ; Seung Lee, Woo ; Kim, Jinsub ; Hyun Song, Seung ; Cheol Ahn, Min ; Kuk Ko, Tae. / The effects of co-wound Kapton, stainless steel and copper, in comparison with no insulation, on the time constant and stability of GdBCO pancake coils. In: Superconductor Science and Technology. 2014 ; Vol. 27, No. 6.
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The effects of co-wound Kapton, stainless steel and copper, in comparison with no insulation, on the time constant and stability of GdBCO pancake coils. / Sung Lee, Tae; Jin Hwang, Young; Lee, Jiho; Seung Lee, Woo; Kim, Jinsub; Hyun Song, Seung; Cheol Ahn, Min; Kuk Ko, Tae.

In: Superconductor Science and Technology, Vol. 27, No. 6, 065018, 06.2014.

Research output: Contribution to journalArticle

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AU - Seung Lee, Woo

AU - Kim, Jinsub

AU - Hyun Song, Seung

AU - Cheol Ahn, Min

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