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"Transient current limiting characteristics"

Transient Current Limiting Characteristics of Flux-Lock Type SFCL Using Double Quench
Sang-jae Choi, Sung-hun Lim
J Electr Electron Mater 2017;30(2):96-100.   Published online February 1, 2017
In this paper, the flux-lock type superconducting fault current limiter (SFCL) using double quench was suggested and its transient current limiting characteristics were analyzed. The suggested flux-lock type SFCL using double quench consists of two magnetically coupled windings and two high-TC superconducting (HTSC) elements connected in series with each winding. To analyze the transient current limiting characteristics of the flux-lock type SFCL using double quench, the short-circuit tests according to the fault angles, which affect the transient component of the fault current right after the fault occurs, were executed. From the comparative analysis for the short-circuit tests at both 0° and 90° fault angles, the useful transient current limiting operations of the suggested flux-lock type SFCL through the double or the single quench occurrence were confirmed.
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