Recovery characteristics of matrix-type SFCL with 2×3 matrixes under the triple lines-to-ground fault

In this paper we analyzed recovery characteristics of matrix-type SFCLs (MFCL) with 2×3 matrixes when triple lines-to-ground fault occurred. MFCLs used in this work consist of 18 superconductors, six reactors for induction of magnetic field and several parallel impedances for bypassing fault current...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2010-11, Vol.470 (20), p.1646-1652
Main Authors: Chung, D.C., Choi, H.S., Cho, Y.S., Jung, B.I., Kwak, M.H., Kang, S.B., Oh, H.W., Han, H.S., Sung, T.H.
Format: Article
Language:English
Subjects:
Fault current
Matrix-type SFCL
Recovery times
SFCL
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Summary:In this paper we analyzed recovery characteristics of matrix-type SFCLs (MFCL) with 2×3 matrixes when triple lines-to-ground fault occurred. MFCLs used in this work consist of 18 superconductors, six reactors for induction of magnetic field and several parallel impedances for bypassing fault currents. Also we analyzed recovery characteristics of resistive-type SFCLs of which 18 superconductors are connected in series and parallel, without reactors and parallel impedances, for the purpose of comparison, under the same experimental conditions of MFCLs. Experimental results were reported in terms of recovery characteristics for individual superconductors in an R phase, dependency of faults cycles and applied fault voltages in each phase. We confirmed that recovery characteristics of MFCLs were more excellent than those of resistive-type SFCLs.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2010.05.180