Development of a 13.2 kV/630 A (8.3 MVA) high temperature superconducting fault current limiter

Hyoungku Kang, Chanjoo Lee, Kwanwoo Nam, Yong Soo Yoon, Ho Myung Chang, Tae Kuk Ko, Bok Yeol Seok

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

This paper deals with fabrication and development of a high temperature superconducting (HTS) fault current limiter (FCL) based on YBCO coated conductor (CC) wire for distribution systems. The capacity of the developed HTS FCL is 8.3 MVA and its rated voltage is 13.2 kV which corresponds to a three-phase power equipment voltage class of 22.9 kV. Tests of the developed prototype HTS FCL were conducted at Korea Electrotechnology Research Institute (KERI) accredited as a testing laboratory by the Korea Laboratory Accreditation Scheme (KOLAS). A short-circuit test and an AC dielectric withstand voltage test for the HTS FCL were conducted under sub-cooled liquid nitrogen (LN2) conditions of 3 bar and 65 K. The magnitude of an asymmetric shortcircuit current without FCL reached 30 kApeak in a short-circuit test. The superconducting coil quenched instantaneously after the fault, and the magnitude of the fault current was limited to 3.6 kApeak within quarter cycle by the developed resistance of the superconducting coil. An AC dielectric withstand voltage test was performed, and the HTS FCL successfully withstood 143 kV for 1 minute. Also, it was found that there was no electrical or mechanical damage on the superconducting coil after the tests.

Original languageEnglish
Article number4497299
Pages (from-to)628-631
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume18
Issue number2
DOIs
Publication statusPublished - 2008 Jun 1

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Superconducting fault current limiters
Electric potential
Short circuit currents
Temperature
coils
Korea
Fault current limiters
short circuits
electric potential
Accreditation
Electric fault currents
Liquid nitrogen
alternating current
Wire
Fabrication
liquid nitrogen
Testing
conductors
prototypes
wire

All Science Journal Classification (ASJC) codes

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

Cite this

Kang, Hyoungku ; Lee, Chanjoo ; Nam, Kwanwoo ; Yoon, Yong Soo ; Chang, Ho Myung ; Ko, Tae Kuk ; Seok, Bok Yeol. / Development of a 13.2 kV/630 A (8.3 MVA) high temperature superconducting fault current limiter. In: IEEE Transactions on Applied Superconductivity. 2008 ; Vol. 18, No. 2. pp. 628-631.
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Development of a 13.2 kV/630 A (8.3 MVA) high temperature superconducting fault current limiter. / Kang, Hyoungku; Lee, Chanjoo; Nam, Kwanwoo; Yoon, Yong Soo; Chang, Ho Myung; Ko, Tae Kuk; Seok, Bok Yeol.

In: IEEE Transactions on Applied Superconductivity, Vol. 18, No. 2, 4497299, 01.06.2008, p. 628-631.

Research output: Contribution to journalArticle

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