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Conduction Cooling and Fast Recovery in  \hbox {MgB}_{2} -Based DC Resistive SFCL

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4 Author(s)
Morandi, A. ; Guglielmo Marconi Dept. of Electr., Electron. & Inf. Eng., Univ. of Bologna, Bologna, Italy ; Brisigotti, S. ; Grasso, G. ; Marabotto, R.

The feasibility of a conduction-cooled MgB2-based superconducting fault-current limiter with fast recovery is investigated. A real-scale device for a distribution network is considered. The dc resistive configuration is chosen in order to avoid ac losses and to allow conduction cooling. A high-heat-capacity cable is specifically developed in order to cope with the requirement of fast recovery. A short-length sample of the cable is manufactured in order to assess its feasibility. The detailed design of a prototype is also carried out, and the performance is numerically investigated.

Published in:

Applied Superconductivity, IEEE Transactions on  (Volume:23 ,  Issue: 5 )