500 kV紧凑型杆塔耐张线夹连接板断裂分析Analysis of Connecting Plate Fracture of Tension Clamp of 500 kV Compact Towers
汤世彬,赵潇,杨晓龙
TANG Shibin,ZHAO Xiao,YANG Xiaolong
摘要(Abstract):
统计了某地区电网投运的500 kV杆塔耐张线夹连接板断裂数据,从杆塔形式、导线分裂数、档距和跳线分布情况等多维度进行耐张线夹连接板断裂原因和规律分析。分析结果表明,耐张线夹连接板断裂在大档距、风口等特殊地形的紧凑型耐张塔、常规耐张杆塔中相出现概率最大。针对耐张线夹连接板断裂的原因,提出了相应的防范措施,可为类似事件的分析与处理提供参考。
Based on the fracture data of 500 kV tension clamp in a power grid, the fracture causes and rules of tension clamp are analyzed from the aspects of tower form, conductor split number, span, jumper distribution, etc. It is found that the fracture probability of tension clamp is the largest in the phase of compact tension tower and conventional tension tower with large span, wind gap and other special terrains. According to the causes of tension clamp fracture, the corresponding preventive measures are proposed, which can provide reference for the analysis and treatment of similar events.
关键词(KeyWords):
紧凑型杆塔;大档距;风口;耐张线夹连接板断裂
compact tower;large span;wind gap;tension clamp fracture
基金项目(Foundation):
作者(Author):
汤世彬,赵潇,杨晓龙
TANG Shibin,ZHAO Xiao,YANG Xiaolong
DOI: 10.19585/j.zjdl.202010012
参考文献(References):
- [1]蔡向晖.500 kV紧凑型线路耐张线夹断裂事故分析[J].华北电力技术,2003,32(3):36-38.
- [2]郑准备,张李锋,张兵,等.输电线路耐张线夹开裂原因分析[J].陕西电力,2010,38(12):35-37.
- [3]胡加瑞,刘纯,欧阳克俭,等.500 kV直流输电线路耐张线夹断裂的原因分析[J].电力建设,2012,33(7):82-85.
- [4]刘纯,熊亮,陈红冬,等.500 kV输电线路耐张线夹钢锚断裂分析[J].湖南电力,2010,30(3):14-16.
- [5]邵明星,武臻,杨东旭.220 kV线路耐张线夹断裂原因分析[J].山东电力技术,2017,44(6):77-80.
- [6]赵洲峰,王若民,陈国宏,等.基于数字射线的耐张线夹压接质量评价试验[J].浙江电力,2018,37(11):41-45.
- [7]王中.耐张管内钢芯铝绞线断线原因分析[J].电力建设,2005,26(4):35-38.
- [8]邵明星,武臻,杨东旭.220 kV线路耐张线夹断裂原因分析[J].山东电力技术,2017,44(6):77-80.
- [9]王守礼,李家垣.微地形微气象对送电线路的影响[M].北京:中国电力出版社,1999.
- [10]楼文娟,刘萌萌,李正昊,等.峡谷地形平均风速特性与加速效应[J].湖南大学学报(自然科学版),2016,43(7):8-15.
- [11]王藏柱,杨晓红.输电线路导线的振动和防振[J].电力科学与工程,2002(1):69-70.
- [12]王剑,张建,张振泉,等.输电线路六防工作手册防风害[M].北京:中国电力出版社,2015.
- [13]王清葵.送电线路运行和检修[M].北京:中国电力出版社,2003.
- [14]李强有,葛秦岭,陈家斌.电力架空线路运行维护与带电作业[M].北京:中国水利水电出版社,2011.
- [15]罗朝祥.架空输电线路运行与检修[M].北京:中国电力出版社,2017.
- [16]梁伟昕,吴才亮,林翔.紧凑型大档距耐张塔引流板断裂原因分析及快速修复方法研究[J].现代工业经济和信息化,2017(22):91-93.