A numerical simulation of transient electromagnetic fields for obtaining the step response of a transmission tower using the FDTD method

被引：37

作者：

Noda, Taku ^{[1
]}

机构：

[1] Cent Res Inst Elect Power Ind, Elect Power Engn Res Lab, Yokosuka, Kanagawa 2400196, Japan

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2008年 / 23卷 / 02期

关键词：

electromagnetic transient analysis; finite-difference time-domain (FDTD) methods; poles and towers; power system lightning effects; power system transients; power transmission lines; surges;

D O I：

10.1109/TPWRD.2008.917944

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：

This letter presents a numerical simulation of transient electromagnetic fields using the finite-difference time-domain (FDTD) method for obtaining the step response of a 500-kV transmission tower. The purpose of this simulation is to reproduce the result of a field test which has been carried out for obtaining the step response of the tower as fundamental data for lightning overvoltage studies. From the comparison between the calculated and measured results, the accuracy of the FDTD method, when applied to lightning overvoltage studies, is examined. The simulation carried out in this letter takes into account the following items that have been ignored or oversimplified in the existing simulations. One is the resistivity of the ground soil, and the other is the detailed structures of the arms, the lattice elements, and the foundations. The calculated result obtained closely reproduces the field-test result.

引用

页码：1262 / 1263

页数：2

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