Fault Current Analysis Considering Frequency Response of Feeding Circuits

摘要

Correct analysis of feeding circuits requires correct line constants of overhead lines and rails. Consideration of the frequency response of self-impedances and mutual impedances on steady state analysis is necessary because they affect calculation results. However, there are only a few reports on transient analysis of feeding circuits which take frequency response into account. This paper suggests a transient analysis model of overhead lines and rails with approximated frequency response, and shows the results of transient analysis on a simplified DC feeding circuit.