期刊
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS
卷 30, 期 10, 页码 575-580出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijepes.2008.08.006
关键词
Distributed generation systems; Islanding; Wavelet transform
资金
- National Science Council, Taiwan [NSC92-2213-E-006-085]
In this paper, a wavelet transform-based approach is proposed to detect the occurrence of islanding events in distributed generation systems. Thanks to time-frequency localization capabilities exhibited by wavelet transform, the approach embedded with this transform technique has grasped the appearance of the islanding event in a highly effective manner. Moreover, for those regions which are in need of a better Visualization, the proposed approach would serve as an efficient aid such that the mains power disconnection can be better distinguished. To validate the feasibility of this approach, the method has been validated through several scenarios. Test results supported the effectiveness of the method for the application considered. (C) 2008 Elsevier Ltd. All rights reserved.
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