Overvoltages and electric strength of high-voltage insulation: (Perenapryazheniya i elektricheskaya prochnostʹ vysokovolʹtnoi izolyatsii).
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Table of Contents 1 Overvoltages in electrical systems
The development of lighming strokes
Lighming parameters and action
8 other sections not shown
breakdown voltage bushing capacitance capacitor caused by lightning chopped waves circuit breakers conducting rod conductors creeping discharge developed dielectric strength duration electrical breakdown electrical systems electromagnetic waves external overvoltages grounded flange high-voltage higher voltages impulse coefficient impulse flashover voltage impulse strength impulse voltage incident wave increase insulation level insulation of transmission insulator string insulator units insulators are manufactured kilovolts kv lines layers lead-in insulators lighming lightning discharge lightning strikes low-frequency lower magnetic field magnitude main discharge main insulation major insulation negative charges nonuniform electric field number of insulators Ohm's law oil-filled outdoor installations overvoltages in electrical pilot leader pin insulator polarity porcelain Post insulators power-frequency voltage producing flashover shown in Figure slots solid dielectrics stator storm clouds stroke substation buses substation equipment Support insulators surge impedance suspension insulator test voltages transformer oil transmission lines tsansfo0ess valve arresters Voltage distribution voltage wave wave front wet flashover voltage wood poles