Abstract

The inductive-type superconducting fault current limiters (LSFCLs) mainly consist of a primary copper coil, a secondary complete or partial superconductor cylinder, and a closed or open magnetic iron core. Satisfactory performance of such device significantly depends on optimal selection of its employed materials and construction dimensions, as well as its electrical, thermal, and magnetic parameters. Therefore, it is very important to identify a comprehensive model describing the LSFCL behavior in a power system prior to its fabrication. When a fault occurs, the dynamic model should essentially characterize the overall phenomena to compare the simulation results by varying LSFCL parameters to maximize the merits of a fault current limiter while minimizing its drawbacks during the normal state. The principle object of this paper is to achieve a feasible and full penetrative approach in 3-D alignments, i.e., a Pareto-optimal design of LSFCLs by means of multicriteria decision-making techniques after defining the LSFCL model in a power system CAD/electromagnetic transients including dc environment.

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