[1]王 建,邓鹤鸣,刘劲松,等.风害区域750 kV变电站构架避雷针变形分析及应对措施[J].电瓷避雷器,2017,140(02):14-18.[doi:10.16188/j.isa.1003-8337.2017.02.003]
 WANG Jian,DENG Heming,LIU Jinsong,et al.The Deformation Analysis and Countermeasures on the Frame Lightning Rod of 750 kV Substation in the Wind Damage Areas[J].,2017,140(02):14-18.[doi:10.16188/j.isa.1003-8337.2017.02.003]
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风害区域750 kV变电站构架避雷针变形分析及应对措施()
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《电瓷避雷器》[ISSN:1006-6977/CN:61-1281/TN]

卷:
140卷
期数:
2017年02期
页码:
14-18
栏目:
避雷器
出版日期:
2017-04-30

文章信息/Info

Title:
The Deformation Analysis and Countermeasures on the Frame Lightning Rod of 750 kV Substation in the Wind Damage Areas
作者:
王 建1邓鹤鸣2刘劲松3刘春翔2张 伟1张 龙1赵建平1李 庚2
1.国网新疆电力公司电力科学研究院,乌鲁木齐830011;2.国网电力科学研究院,武汉 430074; 3.国网新疆电力公司,乌鲁木齐 830011
Author(s):
WANG Jian1 DENG Heming2LIU Jinsong3LIU Chunxiang2ZHANG Wei1 ZHANG Long1ZHAO Jianping1LI Geng2
1. State Grid Xinjiang Electric Power Research Institute, Urumqi 830011, China; 2. State Grid Electric Power Research Institute, Wuhan 430074, China;3.State Grid Xinjiang Electric Power Company,Urumqi 830011, China
关键词:
风害区域750 kV变电站构架避雷针形变现场分析
Keywords:
wind damage areas750 kV substation frame lightning rod deformation sandstormfield analysis
DOI:
10.16188/j.isa.1003-8337.2017.02.003
文献标志码:
A
摘要:
我国西北地区风害严重,直接威胁着区域输变电设备的运行安全。在详细调研新疆风害地区750kV变电站构架避雷针变形倾倒事故的基础上,分析了风害区域构架设备变形的原因:1)涡激振动导致避雷针的法兰螺栓断裂或者松动;2)避雷针的法兰焊接质量不合格,风力作用导致局部应力集中,从而产生局部裂纹;3)设备应力集中断裂为疲劳断裂,后期发展为脆性断裂。根据这些分析结果,提出了构架避雷针的抗风措施。
Abstract:
In northwest regions of China, severe storm brings the threat to the safety operation of regional transmission and transformation equipment. Based on deformation accident site conditions of frame lightning rod in 750 kV substation in the Wind Damage Areas, this paper analyzed the deformation of the frame lightning rod in the wind damage areas. The reasons include that fracture or looseness of lightning rod flange bolts is caused by vortex-induced vibration, the wind induces vibration on welding disqualification of lightning rod flange brought about part of the fracture, and fatigue fracture, brittle fracture are produced increases later., According to the deformation analysis, the paper has proposed some corresponding countermeasures on wind resistance of the frame lightning rod.

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备注/Memo

备注/Memo:
收稿日期:2016-10-10 作者简介:王建(1986—),男,高级工程师,从事输变电设备状态检测与评价技术研究。 基金项目:国网新疆电力公司科技项目(5230DK15009L);国家高技术发展计划(863计划)(2013AA030701)。
更新日期/Last Update: 1900-01-01