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http://dx.doi.org/10.6113/TKPE.2015.20.5.471

Islanding Detection Technique using Wavelet Energy in Grid-Connected PV System  

Park, Hae-Chan (Dept. of Electrical Eng. Korea Nat'l Univ. of Transportation)
Kim, Il-Song (Dept. of Electrical Eng. Korea Nat'l Univ. of Transportation)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.20, no.5, 2015 , pp. 471-478 More about this Journal
Abstract
The new islanding detection method using wavelet energy is proposed in this paper. The proposed method is based on the autocorrelation of the wavelet energies, which is obtained from the high-frequency components of the grid voltage. It has the enhanced detection capabilities in the UV/OV/UF/OF region, which the conventional passive methods cannot obtain. The mathematical theories on the wavelet are presented, and the performance effectiveness is proved by the experimental results.
Keywords
Wavelet; Islanding detection; Photovoltaic system; Wavelet energy;
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Times Cited By KSCI : 6  (Citation Analysis)
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