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Transmission line lightning failures threaten safe and reliable operation of power grid. Guangzhou is one of areas with the strongest lightning activities in China. Lightning protection in Guangzhou power grid has reference role to construction and operation of power grid in other places with frequent lighting in China. Therefore, selection of key parameters in leader progression model is studied...
Lightning shielding failure probability efficiency evaluation is important for transmission line design, especially for ultra-high voltage level. Traditional electrogeometric model (EGM) is not suitable for ultra-high voltage transmission lines because it neglects the upward leaders incepting from ground wires or power lines, while the lightning propagation model (LPM) works. The main contribution...
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