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架空线

第聂伯罗330及150千伏特架空线
位于美国加利福尼亚州弗雷泽公园社区森林湖的架空线

架空线输电系统配电系统架构的一部分,为架设于空中的电缆,用于长距离输送电力。架空线通常由至少一条未绝缘的电缆组成。输电通常为三相电,故电䌫常为三线一组,设于输电线塔电线杆之上。

由于架空线依靠电缆周围的空气来担当绝缘体,可以节省成本同时减轻重量,为大规模输电成本最低的方法。

构筑

乌克兰一条横跨第聂伯河的架空线

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架空线
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