文档介绍：输电线路导线舞动及防舞效果分析
输电线路导线舞动及防舞效果分析
摘要:近年来,随着经济的迅猛发展与社会的不断进步,电力行业建设规模逐渐扩大。各行各业的深化发展离不开电力的有效支持,为实现强有力智能电网的优化建设,保障输电线路的安全运行愈发重要。然而,结合目前实际情况来看,输电线路的导线舞动事故严重威胁到我国电网的安全运行。在此,本文将针对输电线路导线舞动及其防治效果进行简要探讨。
关键词:输电线路;导线舞动;防治;效果
Abstract: in recent years, with the rapid development of economic and social progress, the construction scale of the electric power industry is expanding gradually. Deepening development cannot leave the electricity effective support from all walks of life, to achieve the optimization of the strong smart grid construction, guarantee the safe operation of transmission lines is increasingly important. Combining the actual situation to see, however, the wires of the transmission line dancing accident, a serious threat to the safe operation of power grid in our country. At this point, this article will focus on power transmission line conductor wave and their control effects were briefly discussed.
Key words: power transmission lines; Conductor is dancing; The prevention and control; Effect of
中图分类号:TM247文献标识码:A文章编号:2095-2104(2013)
一般来说,导线舞动情况的出现多见于冬春季节偏心覆冰的输电线路上,其引起的安全事故涵盖有接地短路以及相间短路等方面,所导致的危害损失具体包括有损坏金具、烧伤导线、导线断线、断股以及倒塔等。在输电线路的日常运行过程当中,导线舞动情况的出现容易使其受到严重危害,从而影响整个电网的正常运行,在催生重大经济损失的同时造成不良的社会影响。为此,针对性地采取相应的舞动防治措施,旨在保障输电线路的安全运行。
简述输电线路导线舞动机理
就目前的情况来看,激发输电线路导线舞动的较为成熟的模式主要包括有三个方面,第一,横向即为垂直方向激发模式,该理论认为导线元升力针对攻交角来说有着相对比较大的负斜率,若是这个时候的升力跟振动能够保持一致