摘要
针对2008年初我国南方地区输电线路大面积遭受的覆冰灾害天气,文章以《国家电网公司输变电工程典型设计——500 kV输电线路分册》中的5A-ZB 2直线塔(呼称高33 m)为例,分别分析了导线重覆冰对导线应力和杆塔的影响,并提出了预防措施。
In view of the massive transmission lines suffered the disaster weather of ice coating at the beginning of 2008 in south China. This paper analyzed the influence of heavy ice coating on the wire stress and tower structure taking the 5A-ZB2 straight tower as an example. This paper also gives the preventive measures.
出处
《华北电力技术》
CAS
2008年第8期5-7,共3页
North China Electric Power
关键词
覆冰
架空输电线路
安全系数
破坏应力
ice coating
overhead transmission line
safety coefficient
collapsing stress
