NDLI: Development of a 13.2 kV/630 A (8.3 MVA) High Temperature Superconducting Fault Current Limiter

Content Provider	IEEE Xplore Digital Library
Author	Hyoungku Kang Chanjoo Lee Kwanwoo Nam Yong Soo Yoon Ho-Myung Chang Tae Kuk Ko Bok-Yeol Seok
Copyright Year	2002
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 short- circuit current without FCL reached 30 kA_peak 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 kA_peak 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.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	628
Ending Page	631
Page Count	4
File Size	398299
File Format	PDF
ISSN	10518223
Volume Number	18
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	High temperature superconductors Fault current limiters Circuit testing Voltage Superconducting coils Superconducting filaments and wires Laboratories Fabrication Temperature distribution Yttrium barium copper oxide YBCO AC dielectric withstand voltage test CC wire FCL short-circuit test sub-cooled liquid nitrogen
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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