220kV GIS中VFTO传播特性的影响因素研究  

Research on Influence Factors of Propagation Characteristics of the VFTO for 220kV GIS

作　　者：洪志湖 彭庆军 钱国超 程志万 马仪 青言 张束华 HONG Zhihu;PENG Qingjun;QIAN Guochao;CHENG Zhiwan;MA Yi;QING Yan;ZHANG Shuhua(Electric Power Research Institute of Yunnan Power Grid Corporation,Kunming 650200,China;Honghe Power Supply Company of Yunnan Power Grid Corporation,Yunnan Honghe 661199,China;State Key Laboratory of Power Transmission Equipment&System Security and New Technology,Chongqing University,Chongqing 400030,China)

机构地区：[1]云南电网有限责任公司电力科学研究院,昆明650200 [2]云南电网有限责任公司红河供电局,云南红河661199 [3]重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆400030

出　　处：《高压电器》2020年第12期43-50,共8页High Voltage Apparatus

基　　金：国家重点研发计划“重大科学仪器设备开发”重点专项高重复频率高压脉冲源研制与产业化项目(2017YFF0104300)。

摘　　要：深入开展了VFTO在GIS罐体内部电磁传播特性的研究,对GIS的VFTO辐射电场测量方法具有一定的工程意义。为此,文中搭建了220 kV GIS的有限元仿真模型,开展了不同影响因素下VFTO电磁波在GIS中传播的特性的仿真计算分析。通过研究得到了基于GIS多影响因素的VFTO电场峰值还原计算公式,得到了不同因素对电磁波传播过程中幅值、波形以及传播时间的影响规律,对开展VFTO的高频电场的测量方法研究具有一定的参考价值。The research of the electromagnetic propagation characteristics of VFTO in the GIS tank was carried out,which has some engineering significance for the VFTO radiation electric field measurement method in GIS.Hence,the paper set up the finite element simulation model of 220 kV GIS,and the simulation calculation and analysis of the propagation characteristics of VFTO electromagnetic wave in GIS under different influencing factors are carried out.The calculation formula of actual VFTO electric field peak which considered the multi-influence factors of GIS was obtained through the research,and the law of the influence of different factors on the amplitude,waveform and propagation time of electromagnetic wave propagation is obtained,which has reference value for the measurement method’s research of high frequency electric field of VFTO.

关 键 词：特快速暂态过电压 有限元仿真 辐射电场 测量 

分 类 号：TM595[电气工程—电器]