因此本文对架空配电线路感应雷过电压的计算与防护进行研究具有十分重要的意义。
Therefore, it's significant to research the calculation and prevention of lightning induced overvoltages on overhead distribution lines.
电源线和电缆工人建造，维护和修复架空线和地下电力传输和配电系统。
Electrical power line and cable workers construct, maintain and repair overhead and underground electrical power transmission and distribution systems.
重点就架空绝缘线路配电线路施工时接地问题进行讨论，并提出几点解决建议。
The focus on the grounding construction of distribution lines overhead insulated lines is discussed and some solutions are put forward.
随着配电网改造的深入，许多架空出线已逐步改造为电缆出线。
With the deepening of distribution network transformation, many overhead outlets have been converted into cable outlets gradually.
对目前城市配电网中常见的架空线路网络结构和电缆线路网络结构进行了较为全面的分析。
It analyzed the structure of overhead network and cable line which are common in the city's distribution network.
待拆烟囱的钢筋混凝土基础紧邻对爆破震动极为敏感的配电站和挡土墙，其上方又有重要的架空高压输电线。
The reinforced concrete base of a chimney to be demolished is near to a distribution station and breast wall sensible to blasting vibration and there is an important high voltage line over it.
该文提出利用线路故障产生的暂态行波实现配电架空线、电缆混合线路单相接地及相间短路故障测距，分析了故障初始行波模分量的暂态特征。
Using transient traveling waves generated by fault to locate single-phase earth fault or short circuit fault in distribution feeders mixed with overhead lines and cables is proposed.
当次级侧的分布式发电功率很小的时候，也有可能引起高电压，这是由于架空线路、次级线包和配电变压器上的电压降引起的。
This can even happen for a small DG located on the secondary because of the voltage drop along the service drop, the secondary wiring, and the distribution transformer.
当次级侧的分布式发电功率很小的时候，也有可能引起高电压，这是由于架空线路、次级线包和配电变压器上的电压降引起的。
This can even happen for a small DG located on the secondary because of the voltage drop along the service drop, the secondary wiring, and the distribution transformer.
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