Title :
Parametric effects on the induced voltages on overhead lines by lightning strokes to nearby ground
Author_Institution :
Center for Electr. Power, Tennessee Technol. Univ., Cookeville, TN, USA
fDate :
4/1/1989 12:00:00 AM
Abstract :
The effects of various line and lightning parameters on the severity of induced voltage by an indirect lightning stroke (e.g., stroke to a nearby ground) are discussed. The effects of the current waveshape and of the propagation velocity of the return stroke appear to be significant. The induced voltage is characterized by a high rate of change with time and by polarity reversal for a nearby stroke to ground. It is noted that such a characteristic may endanger the dielectric system of reactors and transformers connected to an overhead line
Keywords :
lightning protection; power overhead lines; current waveshape; indirect lightning stroke; induced voltages; polarity reversal; power overhead lines; return stroke propagation velocity; Clouds; Conductors; Dielectrics; Inductors; Lightning; Optical propagation; Protection; Tail; Transformers; Voltage;
Journal_Title :
Power Delivery, IEEE Transactions on
