Vulnerability analysis for open phase condition in electric power system of Korea's nuclear power generating station

Open Phase Condition (OPC) on nuclear power system has been reported from various countries of the world, so it is necessary to analyze the design suitability of protection system for OPC in Korean nuclear plant also. In this thesis, the OPC for Korean new nuclear plants is conspired using Electrical Power System Analysis & Operation Software (ETAP) and the operation possibility of protecting relay for each case is analyzed.