线路避雷器在输电线路防雷中的应用分析

随着我国电力系统与电力网络的不断发展,输电线路的保护与维修显得愈发重要。对于我国电力系统和电力网络而言,输电线路是最为基础、最为重要的组成部分之一,然而,输电线路在日常工作中经常遭受到来自雷电等等伤害,而这就给输电线路安全运行带来了极大的安全隐患,所以,对输电线路进行防雷处理是极为重要的工作之一。而本文针对这一问题,对线路避雷器在输电线路防雷中的应用进行探讨与分析。

线路避雷器防雷技术研究与实践

在电力输送系统中架空输电线是重要的组成部分,因为是暴露在自然环境中长期处于室外,特别容易受到外来的破坏和影响,尤其是一旦遭到雷击,很可能容易造成特别大的人员伤亡和损失,所以要有线路避雷的一定措施。常规避雷和特殊避雷技术都是我们要研究的,本文将阐述分析其他输电线路防雷技术,线路避雷器防雷技术的发展历程。

平顶山矿区6(10)kV电力线路的防雷对策

本文就煤矿供电的 6(1 0 )kV(以下简称 6kV)电力线路的防雷现状、无防直击雷措施给矿井供电带来的危害以及产生的原因作了论述 ,重点阐述了 6kV电力线路的防雷对策。

谈雷电理论行防雷实践

介绍了雷电产生的原因及雷击导致的重大运行安全事故和危害的雷电波特性，针对铁路运输中涉及的线路和信号设备如何避雷作了深入论述，总结出我们认为切实可行的避雷措施，更好地保证电力线路电气化铁道的正常安全运行。

山顶小基站的防雷

本文介绍了柳州市广电系统在所辖融安县山顶小基站在建站时防雷的考虑和具体的防雷措施,对小投入下的基站安全防雷提出了一些有益的探讨。

The Protection against Lightning of an Overhead Line Uprated from 225 kV to 400 kV

The voltage uprating of existing overhead lines is an interesting solution for increasing the transmission of electricity, especially in areas where it is difficult to build new lines. If a line is uprated with minor changes of its design and without improvement of the grounding electrodes of towers, its lightning performance remains unchanged. The consequence is that the uprated line will have a lightning flashover rate very high compared to an overhead line of same nominal voltage but of standard design. One attractive solution to solve this problem is to use line arresters. The goal of this paper is to study the use of line arresters to achieve a satisfactory lightning performance of an overhead line uprated from 225 kV to 400 kV without major design modifications. In order to compare different strategies of line arrester installation the flashover rate is calculated based on a software able to launch automatically EMTP-RV. The software named LIPS has been developed under the cover of a partnership between Hydro-Quebec, RTE and EDF.