Voltage Sag Compensator
Voltage sag (US English) or Voltage dip (UK English) is a short duration in voltage which can be caused by a short circuit, starting of electric motor, faults occur in transmission line etc. Despite the explanation of that there was no problem with the power supply, voltage sag might have affected equipment damaged or malfunction. Voltage sag compensator is to backup voltage sag and this will avoid interruption at sensitive machines/equipment and production lines.
