This paper provides an overview of the electrical insulation of high temperature superconducting fault current limiter (HTS FCL) by singling out from the literature a few aspects that are critical for such insulation. The performances of some important insulating materials such as organic polymers with fillers, non-filled ethylene propylene rubber (EPR), polyimide and epoxy nanocomposites are reported. The main elements of the electrical design and withstand tests of mini-model coils are described. Moreover, as practical applications of such concepts, the paper illustrates the electrical insulation design of a 13.2 kV/630 A bifilar winding type HTSFCL with YBCO coated conductor (CC) wire and of a cryogenic bushing for superconducting power applications.

Electrical insulation for High Temperature Superconducting Fault Current Limiters

MAZZANTI, GIOVANNI;KANDIA, EFFROSYNI;MORANDI, ANTONIO;FABBRI, MASSIMO;RIBANI, PIER LUIGI
2013

Abstract

This paper provides an overview of the electrical insulation of high temperature superconducting fault current limiter (HTS FCL) by singling out from the literature a few aspects that are critical for such insulation. The performances of some important insulating materials such as organic polymers with fillers, non-filled ethylene propylene rubber (EPR), polyimide and epoxy nanocomposites are reported. The main elements of the electrical design and withstand tests of mini-model coils are described. Moreover, as practical applications of such concepts, the paper illustrates the electrical insulation design of a 13.2 kV/630 A bifilar winding type HTSFCL with YBCO coated conductor (CC) wire and of a cryogenic bushing for superconducting power applications.
Atti della 2013 IEEE International Conference on Conduction and Breakdown in Solid Dielectrics (2013 IEEE ICSD)
337
340
G. Mazzanti; E. Kandia; A. Morandi; M. Fabbri; P.L. Ribani
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/158836
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