Substation Automation


IED (Intelligent Electronic Device)


  • Intelligent digital electronic devices for protection/monitoring/control/measurement/interlock
  • Programming trip and control logics
  • Editing the single line diagram on the dedicated PC S/W
  • Saving the events in 1ms resolution
  • Recording fault waveforms in IEEE C37.111 COMTRADE format
  • Self-monitoring on a regular basis
  • Measuring in high precision (0.5 class or lower)