Sensitivity analysis of a PLC-based DSSS anti-islanding system in power distribution grids

被引：8

作者：

Poluektov, Anton ^{[1
]}

Pinomaa, Antti ^{[1
]}

Romanenko, Aleksei ^{[1
]}

Ahola, Jero ^{[1
]}

Kosonen, Antti ^{[1
]}

机构：

[1] Lappeenranta Lahti Univ Technol LUT, LUT Sch Energy Syst, Lappeenranta, Finland

来源：

INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2019年 / 113卷

关键词：

Direct-sequence spread spectrum; Distributed power generation; Islanding; Loss of mains; Power line communication; Sensitivity analysis; Software-defined radio; LINE COMMUNICATIONS; SMART GRIDS; COMMUNICATION; GENERATION; NOISE;

D O I：

10.1016/j.ijepes.2019.06.022

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：

As smart grid applications, distributed generation, and microgrid technologies have become more widespread, new safety-related issues have arisen. Unintentional islanding is an example of a grid fault that may result in damage to electrical equipment and severe personal injuries. In this paper, an anti-islanding system employing power line communication (PLC) and direct-sequence spread spectrum (DSSS) modulation implemented with software-defined radios for continuous signaling is tested in a laboratory test setup. A concept of a fault detection algorithm is evaluated. A DSSS sensitivity analysis is carried out to investigate system's performance against variation of a signal-to-noise ratio, and define optimal DSSS settings. The results of the analysis are interpreted, and conclusions are drawn. A transformer bypassing scheme allowing to increase the fault detection speed and throughput is introduced and tested, and the conditions of applicability are described. As a result of the study, recommendations for the system development are presented.

引用

页码：739 / 747

页数：9

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