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Fault current limiter-predominantly resistive behavior of a BSCCO-shielded-core reactor

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4 Author(s)
Ennis, M.G. ; S&C Electr. Co., Chicago, IL, USA ; Tobin, T.J. ; Cha, Y.S. ; Hull, J.R.

Tests were conducted to determine the electrical and magnetic characteristics of a superconductor-shielded core reactor (SSCR). The results show that a closed-core SSCR is predominantly a resistive device and an open-core SSCR is a hybrid resistive/inductive device. The open-core SSCR appears to dissipate less energy than the closed-core SSCR. However, the impedance of the open-core SSCR is less than that of the closed-core SSCR. Magnetic and thermal diffusion are believed to be the mechanisms that facilitate penetration of the superconductor tube under fault conditions

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Applied Superconductivity, IEEE Transactions on  (Volume:11 ,  Issue: 1 )