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Lightning-induced voltages on distribution lines with shield wires

机译:带屏蔽线的分配线上的闪电引起的电压

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One of the methods that can be applied to improve the lightning performance of overhead power distribution lines is the use of shield wires. Although the effectiveness of this measure against direct strokes is quite limited unless the shield wire is grounded at every pole, the ground resistances are low, and the line has sufficient CFO between the ground lead and the phase conductors, the line performance against indirect strokes can be improved. In this paper an analysis is presented of the effectiveness of shield wires in reducing the magnitudes of lightning-induced voltages on medium-voltage distribution lines considering various realistic situations.
机译:可以应用于改善架空配电线路的闪电性能的方法之一是使用屏蔽线。虽然这种措施对直接冲程的有效性非常有限,但除非屏蔽线在每个杆上接地,接地电阻很低,并且线在地面引线和相导体之间具有足够的CFO,对间接笔划的线路性能可以改善。在本文中,提出了一种分析,其屏蔽线在考虑各种逼真情况下降低闪电引起电压的幅度的功效。

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