1.1 - 10mhz频段低压电网测量用延长线的建模和校正方法

IF 3.7 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Power Delivery Pub Date : 2024-12-12 DOI:10.1109/TPWRD.2024.3516951

Javier Vildósola;Asier Herranz;Amaia Arrinda;Igor Fernández;Itziar Angulo;Alexander Gallarreta;Jon González-Ramos;David de la Vega

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引用次数: 0

摘要

电网接入阻抗、非故意发射和低压配电网的衰减特性是电力线通信系统发展中需要考虑的主要因素。通常，用于这种表征的测量系统需要放置延伸电缆以达到连接点，这极大地影响了在MHz频率范围内获得的结果。本文提供了一种新的方法，用于建模和校正测量系统所需的从1.1到10 MHz的在线阻抗测量的延伸电缆的影响。所提出的方法已应用于四种不同的延长线，评估了其准确性，并通过在线低压电网接入阻抗测量进行了验证。结果表明，与以前的方法相比，所提出的方法在误差上有很大的改善。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Methodology for Modeling and Correcting the Effects of Extension Cables for Measurements in Low Voltage Grids in the 1.1–10 MHz Frequency Band

The characterization of the grid access impedance, the Non-Intentional Emissions (NIEs) and the attenuation of the Low Voltage (LV) distribution grid is a major factor to be considered for the development of Power Line Communications (PLC) systems. Often, the measurement systems used for this characterization require the placement of extension cables to reach connection points, which greatly affect the results obtained in the MHz frequency range. This paper provides a new methodology for modelling and correcting the effects of the extension cables needed by measurement systems for online impedance measurements from 1.1 to 10 MHz. The proposed methodology has been applied to four different extension cables, assessing its accuracy, and it has been validated against online LV grid access impedance measurements. The results show that there is a great improvement in the error obtained with the proposed methodology over others previously presented.

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来源期刊

IEEE Transactions on Power Delivery 工程技术-工程：电子与电气

CiteScore

9.00

自引率

13.60%

发文量

513

审稿时长

6 months

期刊介绍： The scope of the Society embraces planning, research, development, design, application, construction, installation and operation of apparatus, equipment, structures, materials and systems for the safe, reliable and economic generation, transmission, distribution, conversion, measurement and control of electric energy. It includes the developing of engineering standards, the providing of information and instruction to the public and to legislators, as well as technical scientific, literary, educational and other activities that contribute to the electric power discipline or utilize the techniques or products within this discipline.