Indian Journal of Cryogenics

Increased demand of power generation capacity in distributed electrical power systems has led to an increase in fault current levels exceeding the maximum designed short-circuit ratings of the switchgear. In this work, we have modeled a HTS based R-SFCL using E-J characteristics of the superconductor and implemented at various key locations in a smart grid. A Graphical User Interface (GUI) of MATLAB is developed to evaluate the effectiveness of the proposed method on an IEEE benchmarked four-machine two-area test system. Three phase faults of different ratings are studied with and without SFCL at various key points of the smart grid, monitoring the power flows. Such studies on optimum location of SFCL are important to maximize the effectiveness of fault mitigation in an extended network of Power Grid.