典型建筑群区雷击发展趋势预判仿真与分析
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摘要
下行先导发展过程中,建筑群不同位置场强的分布是决定雷击位置的重要因素,建筑物尖端周围由于自身静电场影响更易形成较为明显的电场变化趋势,相对等较低建筑物更易触发上行先导,仿真通过分析建筑物周围电荷聚集特性、电场空间分布以及建筑物大地附近积累电荷分布特性,得出高层建筑出现电场畸变对下行先导发展的"顶部优势"以及雷暴云位置在影响建筑物顶部电场分布的关键效果。
Field intensity distribution is an important factor of Buildings in different position to determine lightning location in downward leader development process,because of its own electrostatic field influence,the formation of cutting-edge position in building usually shows significant change in the electric field,so relatively higher buildings are more likely to trigger the upward leader. By the simulation of the charge gathered around the building characteristics,spatial distribution of electric field distribution features of the buildings,the accumulation of charge near the earth,it can be summarized that the key effect of the electric field distortion in the high-rise buildings on the "top edge",and the location of the thunderstorm have significant effect on the electric field distribution at the top of the building.
Field intensity distribution is an important factor of Buildings in different position to determine lightning location in downward leader development process,because of its own electrostatic field influence,the formation of cutting-edge position in building usually shows significant change in the electric field,so relatively higher buildings are more likely to trigger the upward leader. By the simulation of the charge gathered around the building characteristics,spatial distribution of electric field distribution features of the buildings,the accumulation of charge near the earth,it can be summarized that the key effect of the electric field distortion in the high-rise buildings on the "top edge",and the location of the thunderstorm have significant effect on the electric field distribution at the top of the building.
引文
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[15]汪飞燕,宋峣,赵洋,等.模拟线路地形下雷击放电路径差异性定性分析[J].电瓷避雷器,2016(5):67-73.WANG Feiyan,SONG Yao,ZHAO Yang,et al.Qualitative analysis on lightning discharge path difference under simulation line terrain,insulators and surge arresters[J].Insulators and Surge Arresters,2016(5):67-73.
[16]邢天放.分层土壤接地测试与计算方法研究[D].成都:成都信息工程学院,2013.
[17]郭在华,朱泽伟,邢天放,等.分层土壤电阻率在线监测系统研制[J].仪器仪表学报,2014,35(6):1306-1314.GUO Zaihua,ZHU Zewei,XING Tianfang,et al.Development of resistivity on-line monitoring system for layered soil[J].Chinese Journal of Scientific Instrument,2014,35(6):1306-1314.
[2]李瑞芳.雷电活动及地形地貌对输电线路及绕击特性的影响研究[D].成都:西南交通大学,2012.
[3]邓小康,林伟,徐兴发,等.配电线路感应雷电流及磁场的仿真分析[J].电工电气,2012(11):20-25.DENG Xiaokang,LIN Wei,XU Xingfa,et al.Simulation analysis of induction lightning current and magnetic field in distribution lines[J].Electrotechnics Electric,2012(11):20-25.
[4]唐军,许至荣,陈小平,等.高耸建筑群对10 k V配电线路感应雷雷击特性的影响[J].电瓷避雷器,2012(4):79-84.TANG Jun,XU Zhirong,CHEN Xiaoping,et al.Analysis of influence tall buildings'on the induced lightning characteristics of 10 k V distribution lines[J].Insulators and Surge Attesters,2012(4):79-84.
[5]边凯,陈维江,李成榕,等.架空配电线路雷电感应过电压计算研究[J].中国电机工程学报,2012,32(31):191-199.BIAN Kai,CHEN Weijiang,LI Chengrong,et al.Calculation of lightning induced overvoltage on overhead distribution lines[J].Proceedings of the Chinese Society for Electrical Engineering,2012,32(31):191-199.
[6]PIANTINI A,JANISZEWSKI J M.The use of shield wires for reducing induced voltages from lightning electromagnetic fields[J].Electric Power Systems Research,2013,94(SI):46-53.
[7]VIEIRA M S,JANISZEWSKI J M.Propagation of lightning electromagnetic fields in the presence of buildings[J].Electric Power Systems Research,2015,118(SI):101-109.
[8]陈维江,余辉,贺恒鑫,等.雷电先导下行过程近地电场时空分布与模拟方法研究[J].中国电机工程学报,2014,34(29):5221-5233.CHEN Weijiang,YU Hui,HE Hengxin,et al.SpatialTemporal characteristics and simulation method of the electric field near ground during lightning attachment process[J].Proceedings of the CSEE,2014,34(29):5221-5233.
[9]程锐,张新燕,白生忠,等.雷击风力发电机塔筒的电磁干扰分析[J].四川电力技术,2013,36(6):4-8.CHEN Rui,ZHANG Xinyan,BAI Shengzhong.The study on the electromagnetic interference on electronic equipment in wind turbine caused by lightning,sichneg[J].Sichuang Eletric Power Technology,2013,36(6):4-8.
[10]BARI'C T,GLAVAH,JOZSA L.Capacitive influence of high voltage overhead transmission lines on the suamearment of soil resistivity[J].Journal of Energy,2013,36(6):4-8.
[11]曾勇,刘波,吴安波,等.复杂建筑物尖端雷击概率的模拟研究[J].电瓷避雷器,2017(6):77-82.ZENG Yong,LIU Bo,WU Ankun,et al.Study of super high-rise intelligent building lightning electromagnetic field based on cdegs software[J].Insulators and Surge Arresters,2017(6):77-82.
[12]徐兴发.配电线路感应雷过电压计算与防护的研究[D].广州:广东工业大学,2013.
[13]KAYGUSUZ A,MAMI爦M S,AKIN E.S-domain analysis of lightning surges in three-phase systems using nonuniform single-phase line model[J].Electrical Engineering,2005,87(5):253-259.
[14]王梦寒,候文豪,张其林,等.复杂建筑物尖端雷击概率的模拟研究[J].电瓷避雷器,2017(3):14-20.WANG Menghan,HOU Wenhao,ZHANG Qilin,et al.Simulation study on the lightning strike probability of the tip of complex buildings[J].Insulators and Surge Arresters,2017(3):14-20.
[15]汪飞燕,宋峣,赵洋,等.模拟线路地形下雷击放电路径差异性定性分析[J].电瓷避雷器,2016(5):67-73.WANG Feiyan,SONG Yao,ZHAO Yang,et al.Qualitative analysis on lightning discharge path difference under simulation line terrain,insulators and surge arresters[J].Insulators and Surge Arresters,2016(5):67-73.
[16]邢天放.分层土壤接地测试与计算方法研究[D].成都:成都信息工程学院,2013.
[17]郭在华,朱泽伟,邢天放,等.分层土壤电阻率在线监测系统研制[J].仪器仪表学报,2014,35(6):1306-1314.GUO Zaihua,ZHU Zewei,XING Tianfang,et al.Development of resistivity on-line monitoring system for layered soil[J].Chinese Journal of Scientific Instrument,2014,35(6):1306-1314.
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