Title :
Switching behavior of YBCO thin film conductors in resistive fault current limiters
Author :
Kraemer, Hans-Peter ; Schmidt, Wolfgang ; Utz, Bernd ; Neumueller, Heinz-Werner
Author_Institution :
Corporate Technol., Siemens AG, Erlangen, Germany
fDate :
6/1/2003 12:00:00 AM
Abstract :
The quenching process of YBCO thin film conductors designed for resistive fault current limiters has been analyzed by electrical and optical measurements. The influence of the switching voltage as well as the critical current and normal resistance of the thin film conductors on the quench propagation has been studied in detail. The experimental results show that homogeneous quenching can be achieved. The YBCO parameters can not be varied independently of the shunt layer thickness.
Keywords :
barium compounds; critical current density (superconductivity); fault current limiters; high-temperature superconductors; quenching (thermal); superconducting devices; superconducting thin films; yttrium compounds; YBCO thin film conductors; YBaCuO; critical current; electrical measurements; homogeneous quenching; normal resistance; optical measurements; quench propagation; quenching process; resistive fault current limiters; shunt layer thickness; switching behavior; Conductive films; Current measurement; Electric variables measurement; Electrical resistance measurement; Fault current limiters; Optical design; Optical films; Transistors; Voltage; Yttrium barium copper oxide;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
DOI :
10.1109/TASC.2003.812980
