Grounding grids in electro-magnetic transient simulations with frequency-dependent equivalent circuit

被引：6
|
作者：
Manunza, Alessandro [1 ]
机构：
[1] M2EC, Bovisio Masciago, Italy
来源：
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2020年 / 116卷
关键词：
Grounding grids; Fast transients; ATP-EMTP; Frequency-dependent equivalent circuit; MODEL;
D O I：
10.1016/j.ijepes.2019.105546
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 frequency behaviour of a grounding grid cannot be neglected in insulation coordination studies. This paper proposes a new approach, which consists of calculating the frequency behaviour of a grounding grid by means of a software which implements the electromagnetic theory, building a two-port component, whose internal admittances are defined as rational functions in the Laplace domain, and finally using this two-port component for time-domain fast transient simulations.
引用
收藏
页数：6
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