grounding for lightning 防雷接地 grounding main line 接地干线 grounding network 接地网 ..
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Shielding failure is the main reason to cause flashover of the UHV transmission line, so that the shielding angle of grounding wires should be reduced, especially in mountain area.
绕击是造成特高压线路跳闸的主要原因,尤其在山区应适当减小地线保护角。
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