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

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6 Author(s)
de Sousa, W.T.B. ; Electr. Power Res. Center (CEPEL), Rio de Janeiro, Brazil ; Polasek, A. ; Silva, F.A. ; Dias, R.
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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 kApeak were limited to about 10% of their peak values in the first half cycle.

Published in:

Applied Superconductivity, IEEE Transactions on  (Volume:22 ,  Issue: 2 )

Date of Publication:

April 2012

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