Partial Discharge Monitoring of Medium-Voltage Switchgear

11/15/2010

The theme of this issue of NETA World is related to event and information recorders which provide equipment status or other information such as fault data. Consistent with this theme is the partial discharge monitor which will be discussed in this column.

Fault data recorders have become more and more sophisticated and can provide very valuable information that can be used for a multitude of purposes. However, once a fault has occurred the electrical system has been permanently damaged and a disruptive outage has already taken place.