In order to introduce the high temperature superconducting fault-current limiters (SFCL) into electric power systems, we need a way to conveniently predict the limiting characteristic in a given situation. The most important physical property dominating the current limiting behavior of the SFCL is the electric field-current density (E-J) characteristics of high temperature superconductors (HTS) which is dependent on temperatures. So we have developed an EMTP/ATP model of high temperature resistive type SFCL using MODELS language based on E /spl sim/ J characteristics of HTS. Real-time circuit current is as an input signal to the SFCL model, and the output of the model is controlled by a TACS-controlled time-dependent resistance. The operating characteristics and limitation behaviors of SFCL have been investigated in detail.
[1]
P. G. Slade,et al.
Solid-state distribution current limiter and circuit breaker: application requirements and control strategies
,
1993
.
[2]
W. Paul,et al.
Fabrication and characterisation of superconducting rings for fault current limiter application
,
1997
.
[3]
Y. Laumond,et al.
Towards the superconducting fault current limiter
,
1991
.
[4]
Liangzhen Lin,et al.
Application studies of superconducting fault current limiters in electric power systems
,
2002
.
[5]
M. Runde,et al.
Assessment study of superconducting fault-current limiters operating at 77 K
,
1992
.