... Lines and Substations Transmission line and substation insulation integrity is one of the most dominant factors in power system reliability We will describe typical transmission lines and substations ... energization and resonance, cause power frequency, or close-to -power frequency, and relatively long duration overvoltages The duration is from sec to several minutes The expected peak amplitudes and duration ... Transmission Line Reference Book (345 kV and Above), 2nd ed., EL 2500 Electric Power Research Institute (EPRI), Palo Alto, CA, 1987 Fink, D.G and Beaty, H.W., Standard Handbook for Electrical Engineers,...