Call For Paper Volume:4 Issue:6 Jun'2017

SAG/ SWELL AND FREQUENCY STABILITY DETECTION USING MODIFIED SYNTHESIS FILTERS OF QMF

Publication Date : 14/04/2016



Author(s) :

Murugesan.C , Gopinath. K.


Volume/Issue :
Volume 3
,
Issue 4
(04 - 2016)



Abstract :

This Paper proposes a novel sag/swell detection algorithm based on wavelet transform (WT) operating even in the presence of flicker and harmonics in source voltage.The developed algorithm is the hybrid of Dauble chies wavelets of order (db2) and order (db8) to detect voltage sag/swell with and without positive/negative phase jumps.The good robustness and faster processing time to detect balanced and unbalanced voltage sag/swell are provided using proposed method. With the proposed hybrid detection algorithm consisting of db2 and db8 wavelet functions, a robust sag/swell detection is achieved which can give precise and quick response. The performance of proposed hybrid algorithm is validated and confirmed through simulation studies using the MATLAB analysis program.


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SAG/ SWELL AND FREQUENCY STABILITY DETECTION USING MODIFIED SYNTHESIS FILTERS OF QMF

April 9, 2016