Access impedance in Brazilian in-home, broadband and low-voltage electric power grids

被引：7

作者：

Costa, Luis Guilherme da S. ^{[1
]}

Colen, Guilherme R. ^{[1
]}

de Queiroz, Antonio Carlos M. ^{[2
]}

da Costa, Vinicius L. R. ^{[1
,3
]}

Vitor, Ulysses R. C. ^{[1
]}

dos Santos, Filipe Vinci ^{[4
]}

Ribeiro, Moises Vidal ^{[1
,3
]}

机构：

[1] Univ Fed Juiz de Fora, LCom Commun Lab, Elect Engn Dept, Juiz De Fora, MG, Brazil

[2] Univ Fed Rio de Janeiro, COPPE Elect Engn Program, Rio De Janeiro, RJ, Brazil

[3] Smarti9 LTD, Juiz De Fora, MG, Brazil

[4] Cent Supelec, Adv Analog Syst Grp, Gif Sur Yvette, France

来源：

ELECTRIC POWER SYSTEMS RESEARCH | 2019年 / 171卷

关键词：

Power line communication; Impedance measurement; Impedance characterization; Scattering parameters; Statistical modeling; Electric power grid; LINE COMMUNICATION;

D O I：

10.1016/j.epsr.2019.02.015

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 paper focuses on the measurement, characterization and modeling of the access impedance of the Brazilian in-home, broadband and low-voltage electric power grids when the frequency band between 2 and 500 Hz is taken into account. Also, it describes the measurement setup and the settings of a large measurement campaign that was carried out on several kinds of facilities in three different Brazilian cities. In addition, it presents a procedure to obtain a statistical model of the access impedance in the aforementioned frequency band. Then, based on the analysis of the measured access impedances and well-known criteria for choosing statistical models, this study suggests statistical distributions to model the resistance and reactance components of the access impedance. Also, it is shown that the access impedance is a nonstationary random process in the frequency domain. Furthermore, because of this property, this paper introduces a simple and effective model to generate sample functions, based on the suggested statistical distributions.

引用

页码：141 / 149

页数：9

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