Simulations and Tests of MCP-BSCCO-2212 Superconducting Fault Current Limiters

• Published in: IEEE transactions on applied superconductivity Vol. 22; no. 2; p. 5600106
• Main Authors: de Sousa, W. T. B., Polasek, A., Silva, F. A., Dias, R., Jurelo, A. R., de Andrade, R.
• Format: Journal Article
• Language: English
• Published: New York, NY IEEE 01.04.2012; Institute of Electrical and Electronics Engineers; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Applied sciences; Bismuth compounds; BSCCO 2212; Coils; Connection and protection apparatus; Current limiters; Electrical engineering. Electrical power engineering; Electromagnets; Electronics; Exact sciences and technology; Faults; Modules; Networks; Nonlinearity; Resistance; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices; short-circuit tests; Simulation; simulations; Superconducting coils; Superconducting devices; superconducting fault current limiter (SCFCL); Superconducting integrated circuits; Superconducting materials; Superconducting transmission lines; Superconductivity; Temperature measurement; Various equipment and components; short-circuit tests; Short circuit currents; superconducting fault current limiter (SCFCL); Protective device; Superconductor device; Experimental study; Fault current limiters; Damage prevention; simulations; Superconducting materials; Short circuit; System simulation; BSCCO 2212; Impedance
• ISSN: 1051-8223; 1558-2515
• DOI: 10.1109/TASC.2012.2187189

Superconducting fault current limiters (SCFCLs) represent a promising solution to the problem of increasing short- circuit 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.