KS C IEC 61334-1-1-2021 Distribution automation using distribution line carrier systems-Part 1-1:General considerations-Distribution automation system architecture
2021KS C IEC 61334-1-1-2021 Distribution automation using distribution line carrier systems-Part 1-1:General considerations-Distribution automation system architecture
2016KS C IEC 61334-1-1:2016 Distribution automation using distribution line carrier systems-Part 1-1:General considerations-Distribution automation system architecture
2010KS C IEC 61334-1-1:2010 Distribution automation using distribution line carrier systems-Part 1-1:General considerations-Distribution automation system architecture