The Impact of a Distributed Generation and Electric-Vehicle Parking on the Coordination of the Fuse-Recloser

A recloser fuse protection system is one of the most effective methods of protecting distribution systems. Typically, these protection strategies are developed prior to the entry of distributed resources into the distribution system. On the other hand, distributed resource usage in distribution systems affects the magnitude and direction of fault currents. These modifications may cause a breakdown in the coordination of recloser fuse protection schemes. The purpose of this work is to develop a new indicator for examining the effect of distributed source injection current on recloser fuse coordination disruption. The new index evaluates the effect of dispersed resources on the system's overall performance on the basis of network protection. To evaluate the suggested method's efficiency and performance, an IEEE 33-bus test system was employed, and the influence of distributed sources on the fuse-recloser protection of this system was evaluated under various scenarios.