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高压输电线路电晕放电特性及其电磁辐射场计算
引用本文:肖冬萍,何为,谢鹏举,康鹏,刘华麟,张占龙.高压输电线路电晕放电特性及其电磁辐射场计算[J].电网技术,2007,31(21):52-55.
作者姓名:肖冬萍  何为  谢鹏举  康鹏  刘华麟  张占龙
作者单位:1. 高电压与电工新技术教育部重点实验室(重庆大学),重庆市,沙坪坝区,400030
2. 贵州电力试验研究院,贵州省,贵阳市,550002
摘    要:电晕特性及其对周围环境所造成的电磁辐射干扰是高压输电线设计时需要考虑的重要因素。首先对电晕脉冲电流进行了理论研究;然后采用短偶极子天线模型计算该脉冲电流所产生的电磁辐射场;最后仿真研究了不同电压等级对辐射场的影响、不同观测点的电磁环境。结果表明,该方法有利于估算高压输电线电晕放电所产生的电磁辐射干扰。

关 键 词:高压输电线  电晕放电  脉冲电流  电磁辐射场  短偶极子天线  高电压技术
文章编号:1000-3673(2007)21-0052-04
修稿时间:2007-08-20

Study on Corona Discharge Characteristic of High Voltage Transmission Line and Calculation of Its Electromagnetic Radiation Field
XIAO Dong-ping,HE Wei,XIE Peng-ju,KANG Peng,LIU Hua-lin,ZHANG Zhan-long.Study on Corona Discharge Characteristic of High Voltage Transmission Line and Calculation of Its Electromagnetic Radiation Field[J].Power System Technology,2007,31(21):52-55.
Authors:XIAO Dong-ping  HE Wei  XIE Peng-ju  KANG Peng  LIU Hua-lin  ZHANG Zhan-long
Affiliation:1. Key Laboratory of High Voltage and Electrical New Technology (Chongqing University
Abstract:Corona discharge characteristic and the electromagnetic radiation interference to ambient environment caused by corona discharge are important factors to be considered in the design of high voltage transmission lines. In this paper firstly the corona pulse current is theoretically researched; then the electromagnetic radiation field caused by corona pulse current is calculated by use of short dipole antenna model; finally the influence of different voltage class on electromagnetic radiation field and electromagnetic environments at different observation points are simulated. Research results show that the proposed method is favorable to the estimation of electromagnetic radiation interference caused by corona discharge of high voltage transmission lines.
Keywords:high voltage transmission line  corona discharge  pulse current  electromagnetic radiation field  short dipole antenna  high voltage engineering
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