MATLAB Library for Simulation of High Impedance Faults in Distribution Networks and Related Protective Relay Behaviour Analysis

2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2023-03-23 DOI:10.1109/ATEE58038.2023.10108111

Claudiu Solea, D. Toader, M. Vintan, M. Greconici, D. Vesa, I. Tatai

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Abstract

High-impedance fault detection is a recurring issue tackled by academics. The lack of publicly available manufacturers know-how, real measurements and logged data from electric utilities regarding their occurrence and the related protection schemes operation forces researchers to develop computational models resembling the contingencies present in power systems within the accuracy provided by peers’ previous validated work. This paper introduces a library comprised of built-in and user-defined blocks and subsystems that are necessary for: different high impedance fault conditions simulation, symmetrical component measurements, signal processing, feature extraction, and assessment of relay operation. The purpose of this paper is to provide researchers and technical practitioners with a user-friendly and straightforward framework that facilitates the simulation of a variety of high impedance fault conditions and the analysis of related protective relay behaviour.

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配电网高阻抗故障仿真及继电保护行为分析的MATLAB库

高阻抗故障检测是学术界反复研究的问题。由于缺乏公开可用的制造商知识、电力公司关于事故发生和相关保护方案运行的实际测量和记录数据，研究人员不得不开发类似于电力系统中突发事件的计算模型，其准确性由同行先前验证的工作提供。本文介绍了一个由内置和用户自定义模块和子系统组成的库，用于不同高阻抗故障条件的仿真、对称分量测量、信号处理、特征提取和继电器运行评估。本文的目的是为研究人员和技术从业者提供一个用户友好和简单的框架，以促进各种高阻抗故障条件的模拟和相关保护继电器行为的分析。

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2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)

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