A new passive islanding detection method and its performance evaluation for multi-DG systems

被引：60

作者：

Niaki, A. H. Mohammadzadeh ^{[1
]}

Afsharnia, S. ^{[1
]}

机构：

[1] Univ Tehran, Coll Engn, Sch Elect & Comp Engn, Tehran 14395515, Iran

来源：

ELECTRIC POWER SYSTEMS RESEARCH | 2014年 / 110卷

关键词：

Distributed generation; Islanding detection; Empirical mode decomposition; Intrinsic mode function; Multi-DC system; HILBERT-HUANG TRANSFORM; WAVELET TRANSFORM;

D O I：

10.1016/j.epsr.2014.01.016

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 presents a passive islanding detection method for inverter-based distributed generation based on empirical mode decomposition (EMD) technique. The voltage of point of common coupling (PCC) is measured and its intrinsic mode functions (IMFs) are obtained using EMD. The first IMF component of PCC per unit voltage is the parameter used for islanding detection. Performance of the proposed method is evaluated for single-DG and multi-DG cases. Simulation results performed in MATLAB/SIMULINK environment show that the islanding can be detected in less than two cycles, even for zero power mismatch. Moreover, the proposed method functions properly for various configurations of multi-DG systems, DGs switching events, various loadings of DGs and different DG interface controls. (C) 2014 Elsevier B.V. All rights reserved.

引用

收藏

页码：180 / 187

页数：8

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