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Abstract In spite of the outstanding benefits provided by distributed generators (DGs) to distribution networks, they increase the fault current level and cause miscoordination between protective devices. This thesis presents a framework to determine the location and capacity limits of distributed generation (DG) in the distribution system (DS) in order to maintain traditional protection schemes. The impacts of DG penetration are analyzed regarding overcurrent protection coordination including fuse-recloser and recloser-relay. The investigation includes defining the minimum boundaries of DG penetration that affect the coordination. Furthermore, the effects of modifying the setting of overcurrent protective devices to extend the utilization of DG units have been investigated. |