id	keyword
easat-3380	substation
easat-3380	automation
easat-3380	level
easat-3380	technology
easat-3380	iec
easat-3380	energy
easat-3380	efficiency
easat-3380	figure
easat-3380	control
easat-3380	system
easat-3380	relays
easat-3380	communication