Abstract
In this paper, Superconducting Fault Current Limiter has been used to restore the missing protection coordination between fuse and recloser in the distribution network in presence of distributed generation resources. In order to evaluate different SFCL models, various types of this equipment including resistive, inductive and hybrid are modelled and investigated for achieving protection coordination. The purpose of this paper is to limit the current injected by DGs connected to the radial distribution network with fuse and recloser protection in presence of DGs protection coordinate between fuses and reclosers confirmed. Since increasing the size of SFCL increases its price, using the Genetic and the PSO Algorithms to calculate the minimum size of different types of SFCL in order to maintain network protection coordination. Results of simulation performed on an IEEE-34 bus network in DIgSILENT® software show that using this optimization method, not only missing protection coordination of the fuse and recloser caused by presence of DG can be solved but also impedance of SFCL can be minimized.
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