O.M. Adebayo and L. Matti (Finland)
Lightning discharge, exposure-arc, lightning impulse voltage, lightning strokes, flashovers, bare conductor, grounded tree, electro-geometric model.
Lightning overvoltage is the most frequent fault in power distribution circuits. Research has shown that the attractiveness of grounded structures such as trees, buildings and masts can have a great effect on the overvoltage disturbance of MV lines due to lightning strokes and flashovers. This work examines the shielding effect of a nearby tree to an MV distribution conductor with both experimental data analysis and electro geometric modeling.
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