|本期目录/Table of Contents|

[1]刘宽,安韵竹,胡元潮,等.电力线路与燃气管道交叉跨越点雷击事故防护研究[J].中国安全生产科学技术,2020,16(5):166-171.[doi:10.11731/j.issn.1673-193x.2020.05.026]
 LIU Kuan,AN Yunzhu,HU Yuanchao,et al.Research on protection of lightning strike accident at crossing point between power line and gas pipeline[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2020,16(5):166-171.[doi:10.11731/j.issn.1673-193x.2020.05.026]
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电力线路与燃气管道交叉跨越点雷击事故防护研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
16
期数:
2020年5期
页码:
166-171
栏目:
职业安全卫生管理与技术
出版日期:
2020-05-30

文章信息/Info

Title:
Research on protection of lightning strike accident at crossing point between power line and gas pipeline
文章编号:
1673-193X(2020)-05-0166-06
作者:
刘宽安韵竹胡元潮李勋姜志鹏刘顺桂
(1.山东理工大学 电气与电子工程学院,山东 淄博 255000;
2.深圳供电局有限公司,广东 深圳 518000;
3.国网湖北省电力有限公司鄂州供电公司,湖北 鄂州 436000)
Author(s):
LIU Kuan AN Yunzhu HU Yuanchao LI Xun JIANG Zhipeng LIU Shungui
(1.Electrical and Electronic Engineering College,Shandong University of Technology,Zibo Shandong 255000,China;
2.Shenzhen Power Supply Co.,Ltd.,Shenzhen Guangdong 518000,China;
3.State Grid Hubei Power Supply Limited Company Ezhou Power Supply Com
关键词:
电力线路燃气管道管道过电压改造方案
Keywords:
electric power line gas pipeline pipeline overvoltage transformation scheme
分类号:
X928;TM753
DOI:
10.11731/j.issn.1673-193x.2020.05.026
文献标志码:
A
摘要:
针对临近杆塔接地网的管道过电压及防护问题,采用CDEGS仿真计算软件建立电力杆塔接地网及临近燃气管道结构模型,研究杆塔与管道间距、土壤电阻率和接地排流线等因素对管道过电压的影响;并提出通过优化电力杆塔接地网外延射线结构降低管道过电压的改造方案。研究结果表明:管道上的雷击过电压受散流间距、土质条件等因素的影响,并基本呈现线性关系;管道增设排流设施后,过电压减小;接地网外延射线结构改造后管道过电压抑制作用明显。研究结果可为实际燃气管道安全防护及电力设计施工提供理论参考。
Abstract:
Aiming at the problem of over-voltage and protection of the pipeline near the tower grounding grid,this paper firstly uses CDEGS simulation software to establish the electric tower grounding grid and adjacent gas pipeline structure model; Secondly,the effects of factors such as spacing between tower and pipeline ,soil resistivity and the ground drain line on the pipeline overvoltage are studied; Finally,a retrofit scheme for reducing the overvoltage of the pipeline by optimizing the epitaxial ray structure of the electric tower grounding grid is proposed.The research indicates that the lightning overvoltage on the pipeline is affected by factors such as the distance of scattered currents and soil conditions,and basically shows a linear relationship;After adding drainage facilities to the pipeline,the overvoltage is reduced;After the structural transformation of the epitaxial ray of the grounding grid,the overvoltage suppression of the pipeline is obvious.The conclusions can provide a theoretical reference for the actual gas pipeline safety protection and power construction.

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备注/Memo

备注/Memo:
收稿日期: 2019-08-11;网络首发日期: 2020-05-22
* 基金项目: 国家自然科学基金项目(51807113);山东省自然科学基金项目(ZR2016EEQ20);南方电网公司科技项目(090000KK52180084)
作者简介: 刘宽,硕士研究生,主要研究方向为电力系统过电压及其防护、电工新材料及其应用技术。
通信作者: 安韵竹,博士,讲师,主要研究方向为空气介质放电、电力系统过电压及其防护技术。
更新日期/Last Update: 2020-06-10