AN ANALYTICAL SECOND-FDTD METHOD FOR EVALUATION OF ELECTRIC AND MAGNETIC FIELDS AT INTERMEDIATE DISTANCES FROM LIGHTNING CHANNEL

被引：47

作者：

Izadi, M. ^{[1
]}

Ab Kadir, M. Z. A. ^{[1
]}

Gomes, C. ^{[1
]}

Ahmad, W. F. W. ^{[1
]}

机构：

[1] Univ Putra Malaysia, Fac Engn, CELP, Serdang 43400, Selangor, Malaysia

来源：

PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2010年 / 110卷

关键词：

MAXWELLS EQUATIONS; FDTD METHOD;

D O I：

10.2528/PIER10080801

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Evaluation of electric and magnetic fields due to lightning discharge is important in determination of lightning induced voltage and power system protection especially to the distribution system. In this paper, by using dipole method, Maxwell equations and second order finite-difference time domain (later referred as a 2nd FDTD method) on two realistic return stroke currents, an algorithm for evaluation of electric fields is proposed, which is based on numerical methods in the time domain. Besides proving greater accuracy, it also allows the evaluation of electric and magnetic fields away from lightning channel. In addition, the comparison between simulation results and measured fields' wave shape showed that the proposed algorithm is in good agreement for evaluation of electric and magnetic fields due to lightning channel.

引用

页码：329 / 352

页数：24

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