Detection of Local Temperature Change on HTS Cables via Time-Frequency Domain Reflectometry

Su Sik Bang, Geon Seok Lee, Gu Young Kwon, Yeong Ho Lee, Gyeong Hwan Ji, Songho Sohn, Kijun Park, Yong June Shin

Research output: Contribution to journalConference article

Abstract

High temperature superconducting (HTS) cables are drawing attention as transmission and distribution cables in future grid, and related researches on HTS cables have been conducted actively. As HTS cables have come to the demonstration stage, failures of cooling systems inducing quench phenomenon of the HTS cables have become significant. Several diagnosis of the HTS cables have been developed but there are still some limitations of the experimental setup. In this paper, a non-destructive diagnostic technique for the detection of the local temperature change point is proposed. Also, a simulation model of HTS cables with a local temperature change point is suggested to verify the proposed diagnosis. The performance of the diagnosis is checked by comparative analysis between the proposed simulation results and experiment results of a real-world HTS cable. It is expected that the suggested simulation model and diagnosis will contribute to the commercialization of HTS cables in the power grid.

Original languageEnglish
Article number012100
JournalJournal of Physics: Conference Series
Volume871
Issue number1
DOIs
Publication statusPublished - 2017 Jul 26
Event29th International Symposium on Superconductivity, ISS 2016 - Tokyo, Japan
Duration: 2016 Dec 132016 Dec 15

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cables
temperature
grids
commercialization
simulation
cooling systems

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Bang, Su Sik ; Lee, Geon Seok ; Kwon, Gu Young ; Lee, Yeong Ho ; Ji, Gyeong Hwan ; Sohn, Songho ; Park, Kijun ; Shin, Yong June. / Detection of Local Temperature Change on HTS Cables via Time-Frequency Domain Reflectometry. In: Journal of Physics: Conference Series. 2017 ; Vol. 871, No. 1.
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abstract = "High temperature superconducting (HTS) cables are drawing attention as transmission and distribution cables in future grid, and related researches on HTS cables have been conducted actively. As HTS cables have come to the demonstration stage, failures of cooling systems inducing quench phenomenon of the HTS cables have become significant. Several diagnosis of the HTS cables have been developed but there are still some limitations of the experimental setup. In this paper, a non-destructive diagnostic technique for the detection of the local temperature change point is proposed. Also, a simulation model of HTS cables with a local temperature change point is suggested to verify the proposed diagnosis. The performance of the diagnosis is checked by comparative analysis between the proposed simulation results and experiment results of a real-world HTS cable. It is expected that the suggested simulation model and diagnosis will contribute to the commercialization of HTS cables in the power grid.",
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Detection of Local Temperature Change on HTS Cables via Time-Frequency Domain Reflectometry. / Bang, Su Sik; Lee, Geon Seok; Kwon, Gu Young; Lee, Yeong Ho; Ji, Gyeong Hwan; Sohn, Songho; Park, Kijun; Shin, Yong June.

In: Journal of Physics: Conference Series, Vol. 871, No. 1, 012100, 26.07.2017.

Research output: Contribution to journalConference article

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AU - Bang, Su Sik

AU - Lee, Geon Seok

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AU - Lee, Yeong Ho

AU - Ji, Gyeong Hwan

AU - Sohn, Songho

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AU - Shin, Yong June

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