Radiation Characteristics Of The Electric Dipole Excited By Surge Impulse Current

摘要：

Surge is a kind of transient over-voltage or overcurrent with short duration and high energy in power system, which mainly conducts through wires, also produces electromagnetic radiation in space. It was obtained that the amplitude spectrum of surge impulse current principally concentrates within 1MHz based on the spectrum analysis. The electromagnetic radiation model of the electric dipole excited by surge impulse current was deduced by using retarded vector potential and electromagnetic field theory, and the analytic expressions in time domain of the radiated electromagnetic fields were given. Moreover , results were acquired by software MATLAB. The results show that the amplitude of the radiated electromagnetic field of an electric dipole is proportional to the surge peak current;the radiated E-field and H-field attenuate with distance;and the radiated electromagnetic field amplitude changes with time in pulse shape at a field point.

关键词： surge current electric dipole radiation characteristic radiation model

作者: CHEN Hui

作者单位: School of Mechanical Electronic & Information Engineering China University of Mining & Technology, Beijing Beijing, China School of Computer Science & Engineering Anhui University of Science & Technology Huainan, China

会议类型: 国际会议

会议名称: 2011 3rd International Conference on Advanced Computer Control(2011年IEEE第三届高端计算机控制国际会议 ICACC2011)

会议地点: 哈尔滨

会议语种:英文

页码: 582-585

在线出版日期: 2011-01-18（万方平台首次上网日期，不代表论文的发表时间）