Title :
Applicability of high Tc superconducting bulk to superconducting fault current limiting device
Author :
Ito, D. ; Urabe, M. ; Yasunaga, T. ; Jindo, N.
Author_Institution :
Tokyo Metropolitan Univ., Japan
fDate :
7/1/1996 12:00:00 AM
Abstract :
We have investigated normal resistivity, critical current and flux creep properties of high Jc Bi2223 and YBCO superconducting bulks. Based on their experimental results, applicability of the bulk to the superconducting fault current limiting device is discussed. As a result, it was found that Bi2223 bulk has a high resistivity and YBCO has high critical current density. Flux creep characteristics for the Bi2223 suggest that practical stable operation can be achieved to decrease the transport current to 70% of the critical current
Keywords :
barium compounds; bismuth compounds; calcium compounds; critical currents; current limiters; electrical resistivity; flux creep; high-temperature superconductors; strontium compounds; superconducting devices; yttrium compounds; Bi2223; Bi2Sr2Ca2Cu3O; YBCO; YBa2Cu3O7; critical current; critical current density; flux creep; high Tc superconducting bulk; normal resistivity; stable operation; superconducting fault current limiting device; Conductivity; Creep; Critical current; Fault current limiters; Fault currents; High temperature superconductors; Magnetic field measurement; Magnetization; Strips; Yttrium barium copper oxide;
Journal_Title :
Magnetics, IEEE Transactions on
