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[1]王绍杰,胡元潮,赵文龙,等.短路故障下输电线路接地网对埋地管道的影响[J].油气储运,2021,40(01):39-43.[doi:10.6047/j.issn.1000-8241.2021.01.007]
　WANG Shaojie,HU Yuanchao,ZHAO Wenlong,et al.Effect of grounding grid of power transmission line on buried pipeline under short circuit fault[J].Oil & Gas Storage and Transportation,2021,40(01):39-43.[doi:10.6047/j.issn.1000-8241.2021.01.007]
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短路故障下输电线路接地网对埋地管道的影响

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 40 期数: 2021年01期 页码: 39-43 栏目: 出版日期: 2021-01-30
Title:

Effect of grounding grid of power transmission line on buried pipeline under short circuit fault

文章编号:
1000-8241（2021）01-0039-05
作者:

王绍杰1; 胡元潮1; 赵文龙2; 李勋3; 井栋1

1. 山东理工大学电气与电子工程学院；2. 空军研究院战略预警研究所；3. 深圳供电局有限公司

Author(s):

WANG Shaojie1;  HU Yuanchao1;  ZHAO Wenlong2;  LI Xun3;  JING Dong1

1. School of Electrical and Electronic Engineering, Shandong University of Technology;2. Institute of Strategic Early Warning, Air Force Research Institute of PLA; 3. Shenzhen Power Supply Co. Ltd.

关键词:

交流输电线路; 石墨复合接地网; CDEGS; 柔性石墨复合接地材料

Keywords:

AC transmission line;  graphite composite grounding grid;  CDEGS;  flexible graphite composite grounding material

分类号:
TE83
DOI:
10.6047/j.issn.1000-8241.2021.01.007
文献标志码:
A
摘要:

为了研究输电线路故障运行时，接地点短路电流对管道的电磁干扰程度，利用防雷接地分析 软件CDEGS 建立了输电线路杆塔接地网与埋地管道模型，计算分析了不同短路电流幅值、土壤电 阻率、管道间距下管道冲击电压的变化规律。提出了两种新型管道防护措施：①通过改变# 形和方 框射线形接地网形状参数，计算分析了管道冲击电压的变化规律，其表明接地网形状对接地电阻影 响很大，接地电阻越大，管道冲击电压越小；②沿管道敷设非金属屏蔽线（柔性石墨复合接地材料）， 对管道进行过电压防护，可以有效降低管道冲击电压，对管道起到保护作用。研究结果可为油气管 道设计施工及安全防护提供参考。（图8，表2，参20）

Abstract:

In order to study the electromagnetic interference of the short-circuit current of grounding point when power transmission line is in fault operation, a model for grounding grid of transmission line towers and buried pipelines was established with the lightning protection and grounding analysis software CDEGS. In the model, the variation rules of pipeline surge voltage were analyzed at different short-circuit current, soil resistivity and pipeline spacing. Two new protective measures for pipelines were proposed. ① The variation rules of pipeline surge voltage were calculated and analyzed by changing shape parameters of grounding grid with shapes of # and square ray. The shape of grounding grid has great influence on grounding resistance, i.e., the bigger the grounding resistance, the smaller the surge voltage. ② Non-metallic shielded wire (flexible graphite composite grounding material) was buried along pipelines to protect pipelines with over voltage. The results show that non-metallic shielded wire could effectively reduce the surge voltage and protect pipelines. The research results could provide reference for design, construction and safety protection of oil and gas pipelines. (8 Figures, 2 Tables, 20 References)

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相似文献/References:

[1]王绍杰　胡元潮　赵文龙　李勋　井栋.短路故障下输电线路接地网对埋地管道的影响[J].油气储运,2021,40(01):1.
　WANG Shaojie,HU Yuanchao,ZHAO Wenlong,et al.Effect of grounding grid of power transmission line on buried pipelineunder short circuit fault[J].Oil & Gas Storage and Transportation,2021,40(01):1.

备注/Memo

基金项目：国家自然科学基金资助项目“空气间隙冲击火花放电 路径动态特性研究”，51807113。
作者简介：王绍杰，男，1994 年生，助理工程师，2020 年硕士毕 业于山东理工大学电气工程专业，现主要从事电力系统过电压、输 电线路防雷与接地方向的研究工作。地址：山东省淄博市张店区 新村西路266 号山东理工大学西校区，255000。电话：17852035005。 Email：597823531@qq.com

更新日期/Last Update: 2021-01-30