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For upcoming smart grid one of the most essential topics regarding the implementation of Superconducting Fault Current Limiters (SFCL) is associated to its possible outcome on the reduction of abnormal fault Current. Due to the enlarge fault currents level, SFCL is more likely to infiltrate into a medium voltage and low voltage transmission network to lower the capacity of electric devices and improve their stability. Excessive fault current is a serious problem when grid connection of the micro grids with the current power grids, to be solved after implementation of SFCL in the network. SFCL is irresistible solution to limit fault current. Quick protection to the power system is provided by resistive type SFCL model. At present no Simulink model of SFCL has been introduced in the MATLAB library software. In this paper a Matlab/Simulink model for a resistive type SFCL is proposed. This paper first introduces a resistive type SFCL model in Matlab/Simulink and then simulates different types of fault and analysis is done without SFCL and with SFCL. The study shows that SFCL not only reduce the magnitude of fault current to a satisfactory level, but also damp transient recovery voltage. SFCL also improves the power system transient stability, power quality and reliability by reducing the fault current instantaneously.

Modeling and Simulation of Resistive type Superconducting Fault Current Limiter