Distribution protection coordination program using GIS

Korea Electric Power Corporation (KEPCO) covers all power distribution lines in Korea. There are 16 districts and 189 branches around the country. To integrate and manage power distribution processes centrally, KEPCO developed the New Distribution Information System (NDIS) based on the GIS (Geographic Information System). NDIS provides efficient power distribution line management and improves resource accuracy. KEPCO developed distribution protection coordination program using NDIS as its base. Using a GIS schematics diagram, the NDIS distribution protection coordination program provides coordination data for protecting device settings (substation circuit breakers, reclosing switches, sectionalizers, auto section switches, line fuses, etc).