Recovery estimation for over-current test of non-inductive fault current limiters using numerical analysis

Young Jae Kim, Ki Sung Chang, Hyun Chul Jo, Yong Soo Yoon, Jong Hoon Lee, Haigun Lee, Tae Kuk Ko

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

When an HTS coated conductor (CC) is used as a conductor of a superconducting fault current limiter (SFCL), the CC is expected to be exposed to the over-current and temperature of the CC is expected to be increased rapidly by electrical joule heating. Because the CC is a composite tape, thermal and electrical properties of composite materials could affects over-current limiting capacity and recovery time of SFCL. This paper presents experimental and numerical results of over-current test and recovery time measurement test on four bifilar wound SFCL modules. The temperature transitions of the samples were estimated from total electrical resistance of the coils. We fabricated one bifilar solenoid coil and three bifilar pancake coils whose cryogenic conditions were different from the other coils. An numerical model was also fabricated to simulate the temperature transition and the numerical results were compared with experimental results.

Original languageEnglish
Pages (from-to)261-265
Number of pages5
JournalCryogenics
Volume51
Issue number6
DOIs
Publication statusPublished - 2011 Jun 1

Fingerprint

Superconducting fault current limiters
Fault current limiters
numerical analysis
Numerical analysis
recovery
conductors
Recovery
Superconducting transition temperature
coils
Acoustic impedance
Joule heating
Solenoids
Composite materials
Time measurement
Cryogenics
Tapes
Numerical models
Electric properties
Thermodynamic properties
transition temperature

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

Kim, Young Jae ; Chang, Ki Sung ; Jo, Hyun Chul ; Yoon, Yong Soo ; Lee, Jong Hoon ; Lee, Haigun ; Ko, Tae Kuk. / Recovery estimation for over-current test of non-inductive fault current limiters using numerical analysis. In: Cryogenics. 2011 ; Vol. 51, No. 6. pp. 261-265.
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Recovery estimation for over-current test of non-inductive fault current limiters using numerical analysis. / Kim, Young Jae; Chang, Ki Sung; Jo, Hyun Chul; Yoon, Yong Soo; Lee, Jong Hoon; Lee, Haigun; Ko, Tae Kuk.

In: Cryogenics, Vol. 51, No. 6, 01.06.2011, p. 261-265.

Research output: Contribution to journalArticle

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AU - Chang, Ki Sung

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