Power system professionals often ask about the lightning performance of spacer cable, and how it compares to that of bare wire. The purpose of this field note is to address that question. With spacer ...

South Africa has an extensive medium-voltage overhead line electric distribution network supported mainly by wood poles. The predominant voltage is 22 kV between phases. Some of the lines traverse ...

Firing bolts of lightning at expensive electrical equipment is all in a day's work at the National Electric Energy Testing Research and Applications Center. The goal for the lightning research and ...

MANY estimates have been made of the voltage required to produce a lightning flash. It is now possible to give a rough estimate. The very high pressures at present ...