A study on thermal stability of the non-insulated HTS racetrack-type coil under various external pressures applied to straight sections

O. J. Kwon, K. L. Kim, Y. H. Choi, D. G. Yang, Y. G. Kim, T. S. Lee, T. K. Ko, H. G. Lee

Research output: Contribution to journalArticle

Abstract

An HTS racetrack-type coil without turn-to-turn insulation was characterized by critical current, sudden discharge, and over-current tests with respect to external pressures applied to the straight sections of the coil. The thermal stability of the non-insulated HTS racetrack-type coil was remarkably enhanced with increasing external pressure applied to the straight sections of racetrack-type coil. Furthermore, over-current test results confirmed that the non-insulated HTS racetrack-type coil with increased turn-to-turn thermal contact has the potential to be manufactured into field coils of HTS wind turbine generators with highly enhanced thermal and electrical stabilities.

Original languageEnglish
Pages (from-to)33-37
Number of pages5
JournalJournal of the Korea Institute of Applied Superconductivity and Cryogenics
Volume14
Issue number3
DOIs
Publication statusPublished - 2012 Jan 1

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Thermodynamic stability
Critical currents
Turbogenerators
Wind turbines
Insulation
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

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title = "A study on thermal stability of the non-insulated HTS racetrack-type coil under various external pressures applied to straight sections",
abstract = "An HTS racetrack-type coil without turn-to-turn insulation was characterized by critical current, sudden discharge, and over-current tests with respect to external pressures applied to the straight sections of the coil. The thermal stability of the non-insulated HTS racetrack-type coil was remarkably enhanced with increasing external pressure applied to the straight sections of racetrack-type coil. Furthermore, over-current test results confirmed that the non-insulated HTS racetrack-type coil with increased turn-to-turn thermal contact has the potential to be manufactured into field coils of HTS wind turbine generators with highly enhanced thermal and electrical stabilities.",
author = "Kwon, {O. J.} and Kim, {K. L.} and Choi, {Y. H.} and Yang, {D. G.} and Kim, {Y. G.} and Lee, {T. S.} and Ko, {T. K.} and Lee, {H. G.}",
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A study on thermal stability of the non-insulated HTS racetrack-type coil under various external pressures applied to straight sections. / Kwon, O. J.; Kim, K. L.; Choi, Y. H.; Yang, D. G.; Kim, Y. G.; Lee, T. S.; Ko, T. K.; Lee, H. G.

In: Journal of the Korea Institute of Applied Superconductivity and Cryogenics, Vol. 14, No. 3, 01.01.2012, p. 33-37.

Research output: Contribution to journalArticle

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AU - Kwon, O. J.

AU - Kim, K. L.

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AU - Kim, Y. G.

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AU - Ko, T. K.

AU - Lee, H. G.

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