Towards electrical applications of high Tc superconductors

High T_c superconductors (HTSs) have been developed since 1986. The successfully produced HTSs, especially the Ag clad Bi-based HTS wire, with long length, high critical current density and mechanical flexibility, has demonstrated a potential to be operated at 77 K liquid nitrogen temperature for some electrical applications. This paper introduces studies on the HTSs with regard to their electrical applications developed in Australia. The Ag clad (Bi, Pb)₂Sr ₂Ca₂Cu₃O_10+x HTS wires and YBa₂Cu₃O_7-x bulk materials are introduced with respect to their use for various electrical applications. Some applications introduced include a HTS coil for a winding or a magnet, an electrical fault current limiter, an electronic high voltage generator device, high current leads, and a HTS levitator