Modeling of high-temperature superconducting cable via time domain reflectometry and general regression neural network

Gu Young Kwon, Su Sik Bang, Yeong Ho Lee, Geon Seok Lee, Yong June Shin

Research output: Contribution to journalArticle

Abstract

When a fault occurs in the high-temperature superconducting (HTS) cable, a fault current consisting of extremely high frequency components is generated and propagated based on the transient response of the HTS cable. Therefore, a simulation model based on high frequency characteristic of the HTS cable is essential to obtain accurate simulation results in the transient fault analysis. In this paper, the result of time domain reflectometry is used to design the model of the HTS cable. To determine model parameters, a general regression neural network based on the kernel density estimation is utilized. After the modeling procedure, the accuracy of the model is evaluated by time-frequency domain reflectometry, whose response depends on the high frequency characteristic of the cable. It is expected that the proposed modeling method can be applied to various application area of HTS cable, such as fault analysis, protection, and diagnostics in the future.

Original languageEnglish
Article number8641370
JournalIEEE Transactions on Applied Superconductivity
Volume29
Issue number5
DOIs
Publication statusPublished - 2019 Aug 1

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Superconducting cables
cables
regression analysis
Neural networks
Temperature
Electric fault currents
Transient analysis
transient response
extremely high frequencies
Cables
simulation

All Science Journal Classification (ASJC) codes

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

Cite this

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title = "Modeling of high-temperature superconducting cable via time domain reflectometry and general regression neural network",
abstract = "When a fault occurs in the high-temperature superconducting (HTS) cable, a fault current consisting of extremely high frequency components is generated and propagated based on the transient response of the HTS cable. Therefore, a simulation model based on high frequency characteristic of the HTS cable is essential to obtain accurate simulation results in the transient fault analysis. In this paper, the result of time domain reflectometry is used to design the model of the HTS cable. To determine model parameters, a general regression neural network based on the kernel density estimation is utilized. After the modeling procedure, the accuracy of the model is evaluated by time-frequency domain reflectometry, whose response depends on the high frequency characteristic of the cable. It is expected that the proposed modeling method can be applied to various application area of HTS cable, such as fault analysis, protection, and diagnostics in the future.",
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Modeling of high-temperature superconducting cable via time domain reflectometry and general regression neural network. / Kwon, Gu Young; Bang, Su Sik; Lee, Yeong Ho; Lee, Geon Seok; Shin, Yong June.

In: IEEE Transactions on Applied Superconductivity, Vol. 29, No. 5, 8641370, 01.08.2019.

Research output: Contribution to journalArticle

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