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[1]赵洪磊,刘全桢,张笑,等.雷击时地下空间电磁场与负载感应电磁场的仿真计算[J].中国安全生产科学技术,2015,11(3):123-128.[doi:10.11731/j.issn.1673-193x.2015.03.020]
　ZHAO Hong-lei,LIU Quan-zhen,ZHANG Xiao,et al.Simulation calculation on electromagnetic field in underground space and load induced electromagnetic field in case of lightning[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2015,11(3):123-128.[doi:10.11731/j.issn.1673-193x.2015.03.020]
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雷击时地下空间电磁场与负载感应电磁场的仿真计算
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
11
期数:
2015年3期
页码:
123-128
栏目:
职业安全卫生管理与技术
出版日期:
2015-03-30

文章信息/Info

Title:
Simulation calculation on electromagnetic field in underground space and load induced electromagnetic field in case of lightning
作者:
赵洪磊1; 2; 刘全桢2; 张笑1; 王殿生1
（1. 中国石油大学<华东>理学院，山东省高校新能源物理与材料科学重点实验室，山东青岛266580; 2. 中国石油化工股份有限公司 青岛安全工程研究院，山东青岛266071）
Author(s):
ZHAO Hong-lei1; 2;  LIU Quan-zhen2;  ZHANG Xiao1;  WANG Dian-sheng1
(1. Key Laboratory of New Energy Physics & Materials Science in Universities of Shandong, College of Science, China University of Petroleum, Qingdao Shandong 266580, China; 2. SINOPEC Safety Engineering Institute, Qingdao Shandong 266071, China)
关键词:
雷电电磁辐射; FDTD仿真; 地下空间; 感应电压; 感应电流
Keywords:
LEMP;  FDTD simulation;  underground space;  induced voltage;  induced current
分类号:
X959
DOI:
10.11731/j.issn.1673-193x.2015.03.020
文献标志码:
A
摘要:
随着高新电子技术的迅猛发展，雷电电磁辐射给人们的生产生活造成的危害越来越大。为了分析雷电电磁辐射的危害，基于MTLE雷电回击模型，以及北京地区实测雷电流波形，采用三维时域有限差分(FDTD)方法，计算了雷击时地下空间中的电磁场，并对线缆终端负载进行了雷电电磁耦合，计算了负载上的雷电感应电压和感应电流。计算结果表明，土壤对雷电电磁场的屏蔽并不彻底，地下空间仍需要进行防雷设计；线缆终端负载上感应的电压和电流峰值可达数百千伏和数百安培，并且其数值随雷电波波头时间的减小而增大，对当前大多数自动化系统危害严重。
Abstract:
With the rapid development of high-tech electronic technology, the damage made by LEMP to people's production and life is becoming bigger. To analyze the damage of LEMP, the lightning induced electromagnetic field in underground space was calculated by using FDTD method based on MTLE lightning return-stroke model and the measured lightning current waveform in Beijing. The electromagnetic coupling of the cable terminal load was conducted, and the lightning induced voltage and current on load were calculated. The results showed that soil shielding against lightning induced electromagnetic field is not complete, and lightning protection design is still needed in underground space. The peak values of lightning induced voltage and current on load can up to hundreds of kilo-volts and hundreds of amperes, and the values increase with the decrease of front time of lightning currents, which causes serious harm to most of the current automation systems.

参考文献/References:

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备注/Memo

备注/Memo:
国家“十二五”科技支撑计划课题项目（2012BAK03B03）；中央高校基本科研业务费专项资金资助项目（13CX05017A，14CX02026A）
更新日期/Last Update: 2015-03-30