Recovery Characteristics of Resistive SFCL Wound With YBCO Coated Conductor in a Power System

Author

Ahn, Min Cheol ; Park, Dong Keun ; Yang, Seong Eun ; Kim, Min Jae ; Chang, Ho-Myung ; Yoon, Yong Soo ; Seok, Bok-Yeol ; Park, Jung-Wook ; Ko, Tae Kuk

Author_Institution

Korea Electr. Eng., Seoul

Volume

17

Issue

2

fYear

2007

fDate

6/1/2007 12:00:00 AM

Firstpage

1859

Lastpage

1862

Abstract

Since resistive superconducting fault current limiters (SFCLs) are inserted to a power system directly, it is necessary to recover instantly after the clearance of a fault. Most resistive SFCLs using BSCCO bulk or thick film have a recovery time of tens of seconds. An SFCL using YBCO coated conductor (CC) has a large surface area contacted to liquid nitrogen. Joule heat flux of the SFCL is smaller than that of other types when a fault occurs. Therefore, it is important for the SFCL employing CC to investigate a recovery time. In this paper, the recovery characteristics of SFCL with respect to applied voltage were analysed in a power system. All tests were performed in liquid nitrogen and sub-cooled nitrogen. From this result, the parameters for recovery time were obtained.

Keywords

barium compounds; fault current limiters; high-temperature superconductors; superconducting devices; yttrium compounds; Joule heat flux; Power System; YBCO coated conductor; YBa₂Cu₃O₇; resistive SFCL; superconducting fault current limiters; Bismuth compounds; Conductors; Fault current limiters; Nitrogen; Power system faults; Power systems; Superconducting films; Thick films; Wounds; Yttrium barium copper oxide; Coated conductor; recovery time; superconducting fault current limiter;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/TASC.2007.898128

Filename

4277260