Comparison of equivalent circuit models for the simulation of soil ionization

被引：4
|
作者：
Nicolopoulou, E. P. [1 ]
Asimakopoulou, F. E. [1 ]
Gonos, I. F. [1 ]
Stathopulos, I. A. [1 ]
机构：
[1] Natl Tech Univ Athens, Sch Elect & Comp Engn, GR-15780 Athens, Greece
来源：
ELECTRIC POWER SYSTEMS RESEARCH | 2014年 / 113卷
关键词：
Transient response; Soil ionization; Equivalent circuit; Simulation;
D O I：
10.1016/j.epsr.2014.02.024
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：
The main characteristic of the transient behaviour of a grounding system is the decrease of the grounding impedance, due to soil ionization phenomena that take place, when the density of the injected current exceeds a critical value. In this paper three circuit models proposed by researchers have been implemented using the ATP/EMTP programme in order to simulate the transient response of a grounding system taking soil ionization into account. The simulation results are compared to measurements received by imposing impulse voltages on soil samples. The accuracy of each model is evaluated according to the level of proximity to the oscillograms and conclusions are drawn about the effectiveness of each modelling approach. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：180 / 187
页数：8
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