某地区配电线路防雷现状分析及防雷装置研究

doi:10.11930/j.issn.1004-9649.201708146

中国电力 ›› 2018, Vol. 51 ›› Issue (4): 39-44,95.DOI: 10.11930/j.issn.1004-9649.201708146

某地区配电线路防雷现状分析及防雷装置研究

秦如意¹, 刘宗良², 陈洲³, 徐重酉¹, 吴军⁴

1. 国网浙江省电力公司宁波供电公司, 浙江宁波 315000;
2. 国网鄞州区供电局, 浙江宁波 315121;
3. 国网象山县供电公司, 浙江宁波 315700;
4. 国网电力科学研究院武汉南瑞有限责任公司, 湖北武汉 430074

收稿日期:2017-08-12 修回日期:2017-12-15 出版日期:2018-04-05 发布日期:2018-04-12
作者简介:秦如意(1981-),男,湖北老河口人,高级工程师,从事电力工程及自动化研究工作,E-mail:659263@qq.com。
基金资助:
国网浙江电力科技项目（基于线路风险的配电网立体防雷技术体系研究）。

Study on Lighting Protection Situation and Device of 10 kV Distribution Lines

QIN Ruyi¹, LIU Zongliang², CHEN Zhou³, XU Chongyou¹, WU Jun⁴

1. Ningbo Power Supply Company, Zhejiang Electric Power Corporation of State Grid, Ningbo 315000, China;
2. Yin-zhou District Power Supply Company of State Grid, Ningbo 315121, China;
3. Xiangshan Power Supply Company of State Grid, Ningbo 315700, China;
4. Wuhan NARI Limited Company of State Grid Electric Power Research Institute, Wuhan 430074, China

Received:2017-08-12 Revised:2017-12-15 Online:2018-04-05 Published:2018-04-12
Supported by:
This work is supported by Zhangjiang Power Science and Technology Project of SGCC.

摘要/Abstract

摘要： 随着10kV配电线路绝缘化率的提升，雷击导线断线问题日益凸显，雷击断线约占配网雷击跳闸事故的49%，因此有必要研制针对性的防雷改造装置，有效降低雷击断线几率，提高配电线路的供电可靠性。以某地区典型配电线路为研究对象，分析和总结了该地区线路和故障概况；研制了双间隙型氧化锌避雷器，介绍了该装置的结构和原理，通过试验确定了该装置的主间隙和辅助间隙的规格参数，测试了该装置的伏秒特性和工频续流遮断能力。最后，通过在典型线路上进行工程运用，验证该装置的防雷效果。

关键词: 10 kV配电线路, 雷击断线, 双间隙型氧化锌避雷器, 防雷装置

Abstract: Lightning-caused line break became more and more serious with application of 10 kV Insulation-covered distribution lines. According to statistic, 49% of lightning stroke tripping happen on distribution lines. It is necessary to develop lighting protection device to reduce lightning-caused break probability and improve power supply reliability. By taking typical 10 kV distribution lines as example, the situation and tripping scenarios are analyzed in detail. An arrester with two cascade gaps are adopted and improved. The spherical electrode and main gap parameters are determined by experiments. The volt-second characteristic of lightning impulse and current cut-down ability are also tested. The lighting protection ability of arrester with two cascade gaps are both verified by engineering application.

Key words: 10 kV distribution lines, lightning-caused break, arrester with two cascade gaps, lightning device

中图分类号:

TM863
TQ174

秦如意, 刘宗良, 陈洲, 徐重酉, 吴军. 某地区配电线路防雷现状分析及防雷装置研究[J]. 中国电力, 2018, 51(4): 39-44,95.

QIN Ruyi, LIU Zongliang, CHEN Zhou, XU Chongyou, WU Jun. Study on Lighting Protection Situation and Device of 10 kV Distribution Lines[J]. Electric Power, 2018, 51(4): 39-44,95.

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https://www.electricpower.com.cn/CN/Y2018/V51/I4/39

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某地区配电线路防雷现状分析及防雷装置研究

Study on Lighting Protection Situation and Device of 10 kV Distribution Lines

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