The soil ionization influence on the lightning performance of transmission lines
作者： Z. Stojković
关键词: Ground 、 Mechanics 、 Overhead line 、 Electronic engineering 、 Electric power transmission 、 Soil resistivity 、 Environmental science 、 Transmission line 、 Electrical network 、 Equivalent circuit 、 Impulse (physics)
摘要: The paper presents a mathematical model for analyzing impulse characteristics of complex grounding grids in the cases with soil ionization. is based on grid equivalent circuit lumped and current dependent parameters, described by system differential equations. proposed convenient practical application. It incorporated into present lightning overvoltage computation program. ionization influence performance 400 kV overhead line various magnitudes gradient, resistivities, configurations as well shapes illustrated.
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