A passenger on a Metro train that burst into flames in Melbourne's north today has told of her fear when overhead power lines fell onto the train, blocking the exit from the burning carriage.
一列地铁在墨尔本北部着火，一位乘客讲述了她当时的恐惧。当时，车顶的供电线路段落在车身上，燃烧的车身使得出口被堵。
Therefore, it's significant to research the calculation and prevention of lightning induced overvoltages on overhead distribution lines.
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。
Abstract: the overhead transmission lines is power grids and an important part of the power system.
摘要：架空输电线路是电力网及电力系统的重要组成部分。
Overhead transmission lines are the vitals of power system. Its main function is to transmit electricity.
架空输电线路是输电系统的命脉，它的主要作用是传输电能。
The validity of the method is proved by calculating the mutual impedance between overhead power lines and underground telecommunication lines.
架空电力线路与地下通信线路互阻抗的计算结果验证了论文方法的正确性和高效性。
The paper describes the basic switching impulse test results of phase-to-phase insulation in EHV substations and overhead lines.
本文叙述超高压变电所和架空线路中相间绝缘操作冲击试验的基本结果。
Overhead lines have more outages than underground cable per unit length, but the outages are usually shorter in duration.
架空线路单位长度的停电数要比地下电缆的多，但停电持续时间短。
The overhead OPGW, being of functions of the overhead ground wire and communication optical cable for transmission lines has demonstrated its advantages day by day.
架空地线复合光缆（OPGW ）兼输电线路架空地线和通信光缆功能于一体，正日益显示其优越性。
This paper expatiates on the concept of earth short-circuit current, discussing and computing the shunt coefficient of overhead ground wires, cable lines and hybrid overhead cable lines.
为此，阐述了入地电流的概念，对输电线路架空避雷线、电缆线路及架空电缆混合供电线路的分流系数进行了探讨和计算。
The article the author on overhead transmission lines is analyzed to introduce several kinds of lightning protection measures for industry insider s reference.
文章笔者对架空输电线路几种防雷措施分析介绍，供业内人士借鉴。
Aiming at the shortage of traditional method of measuring power frequency parameters of overhead transmission lines, measurement of power frequency parameters by non power frequency is put forward.
为了解决输电线路在高感应信号下，准确方便地测量线路的工频参数，针对架空输电线路工频参数传统测量方法的不足，提出了异频法测量线路工频参数。
In this paper, the reliability problem in designing the mounting strain clamps with large load capacity for overhead power transmission lines are investigated.
本文对大负荷容量架空输电线紧线器设计中的可靠性问题作了深入讨论。
Visual pollution, which can refer to the presence of overhead power lines, motorway billboards, scarred landforms (as from strip mining), open storage of trash or municipal solid waste.
视觉污染，它可以指架空电力线路的存在，高速公路广告牌，伤痕累累地貌(从条带开采)，垃圾或市政固体废物露天存放。
The structure and classifications of overhead parallel assembled distribution lines are introduced in this paper.
介绍了平行集束架空导线的结构和分类。
The focus on the grounding construction of distribution lines overhead insulated lines is discussed and some solutions are put forward.
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。
It can be a certain reference for determining ice sort, frequency analysis and estimating the design ice load on overhead electrical conductors for designing lines in icing areas.
可供在覆冰区域内的架空线路设计确定覆冰性质、进行频率分析和估算设计覆冰荷载等进行参考。
Therefore, the wire in the clamping region is prone to be damaged because of aeolian vibration of overhead transmission lines.
受架空输电导线拉力的影响，导线在夹持区易出现应力集中现象，在微风振动作用下，夹持区易产生疲劳断股破坏。
Cement pole is an important component for overhead lines, and its security has a direct impact on the safety of transmission lines.
水泥杆是架空线路中的重要构件，其安全性直接关系到输电线路的正常运行。
Using finite element method, this article presents a mathematical model and computer program for the mechanical calculation of overhead transmission lines.
本文提出了用有限元法进行架空线机械计算的数学模型和计算程序。
This paper explains how to use CAD mapping method to calculate the force and length that common using and under special construction environment in the construction of overhead lines.
本文就架空线路施工中某些常用及复杂特殊施工环境下的各种受力和线长如何采用CAD作图法进行计算作具体说明应用。
Study on transient characteristics of overhead transmission lines due to direct lightning stroke is significant to the development of transient based protection and its reliability improvement.
研究和识别输电线路直击雷的暂态特征对研制基于暂态量的保护及提高其可靠性都具有十分重要的意义。
This paper gave a result that the majority faults of HV overhead transmission lines focus on cable junction by analyzing the causes of the damage of electric power cable.
论文从分析架空高压输电线路的常见故障原因出发，总结出架空高压输电线路的故障大多数发生在线路的连接处。
Four-phase overhead transmission lines have special advantages in high phase order transmission lines, because of the good symmetry and the simple structure of its lines and poles.
四相架空输电线路对称性好，线路及杆塔结构简单，在多相输电线路中具有独特的优势。
In this paper, it is proved experimentally that this kind of aging is very slow, and can not threaten the service safety of overhead lines.
本文通过实验验证了这种憎水性老化过程十分缓慢，不会对合成绝缘子的安全运行构成威胁。
According to the different grounding structure of lightning protection for overhead transmission lines, the proper measuring method was suggested.
对架空送电线路防雷接地构造差异情况，提出正确的测量方法。
A new approach using the electric field induction to measure the transient and steady-state zero-module voltage in non-solidly earthed overhead lines is presented.
提出一种通过电场感应获取架空线路小电流接地故障零模电压信号的新方法。
A new method for judging the running state of HV overhead transmission lines was put forward according to the temperature parameter of power cable junction.
提出了利用电缆接头温度参数来判断高压输电线路运行状态的方案。
Aiming at the difference of wave rate in overhead lines and cables, fault point seeking algorithm based on time mid-point is proposed.
针对架空线路和电缆的波速度的差异，故障点的时间中点搜索算法的基础上提出。
The galloping and ice-shedding of overhead transmission lines is a hard problem, which has been paid great attention to in the world.
架空输电线的覆冰灾害是一个国际上普遍关心的问题。
The galloping and ice-shedding of overhead transmission lines is a hard problem, which has been paid great attention to in the world.
架空输电线的覆冰灾害是一个国际上普遍关心的问题。
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