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Superconducting fault current limiters (SCFCLs) represent a promising solution to the problem of increasing shortcircuit currents in the grid. The SCFCL is based on the fast transition from the superconducting state to the normal state, causing a sudden increase in the impedance of the network. In this paper, we simulate the behavior of resistive-type SCFCL modules. The SCFCL modules are based on MCP-BSCCO 2212 coils. The superconductor acts as a nonlinear resistance that varies with the current and the temperature. The behavior of the simulated curves is consistent with the experimental results. Short-circuit currents as high as 37 kA peak were limited to about 10% of their peak values in the first half cycle.

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The main objective of this work is to simulate the behavior of superconducting fault current limiters (SFCLs) in the electric power grid. We investigate the transient behavior of SFCL devices when subjected to a fault current in a simple network. The simulated devices are a resistive SFCL and an air coil SFCL, both equipped with 2G HTS conductors. Simulations are performed in EMTP-ATP by means of a thermal-electrical analogy model. The limiting performance, voltages at buses, resistance, and the temperature rise of both devices are obtained. The results suggest that both SFCLs are able to protect the proposed network. Index Terms-ATP-EMTP, bus-tie, power grid, superconducting fault current limiter, transient simulations, YBCO 2G tapes.