基于离散小波变换的并网电流源逆变器孤岛检测

2018 International Seminar on Intelligent Technology and Its Applications (ISITIA) Pub Date : 2018-08-01 DOI:10.1109/ISITIA.2018.8711265

Aggie Brenda Vernandez, D. Riawan, D. A. Asfani

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引用次数: 1

摘要

并网系统中的配电资源需要逆变器作为其功率转换工具。本文提出了一种基于Clark-Park变换控制技术的单相电流源逆变器，使逆变器的有功功率可以控制，无功功率也可以调节。逆变器设有防孤岛保护装置。在MATLAB/Simulink中进行了仿真，结果表明，用离散小波变换对共耦合点电压进行变换，可以检测出孤岛的发生。检测时间取决于孤岛发生时负载的类型。

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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Islanding Detection on Grid-Connected Current Source Inverter Based on Discrete Wavelet Transformation

Distribution resource in grid-connected system needs an inverter as its power convertion tool. This paper presents a single phase current source inverter with a control technique based on Clark-Park transformation, so that the active power inverter can be controlled and it also has adjustable reactive power support. The inverter is equipped with protection of anti-islanding method. The result has done under simulation using MATLAB/Simulink and shows that the occurrence of islanding can be detected by transform the voltage at Point of Common Coupling by processing using Discrete Wavelet Transformation. The detection time vary depend on the type of load when islanding occurred.

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2018 International Seminar on Intelligent Technology and Its Applications (ISITIA)

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