Simulation of Power Quality Using S-Transform

Jin Hong Gu; Qi Liu; Chao Hui Cheng

doi:10.4028/www.scientific.net/AMR.429.172

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 429Simulation of Power Quality Using S-Transform

Simulation of Power Quality Using S-Transform

Abstract:

According to the signal characteristics of power quality disturbances, a detection and classification method based on S-transform is proposed. The S-transform module matrix is used to detect and classify power quality disturbance signal. Eight disturbance signals (voltage sag, voltage swell, momentary interruption, voltage spike, voltage notch, harmonic, inter-harmonic and oscillatory transients) which influence power quality have been simulated. The results show that the method can be used to localize the disturbance time and duration precisely and classify them simply.

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Periodical:

Advanced Materials Research (Volume 429)

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172-178

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https://doi.org/10.4028/www.scientific.net/AMR.429.172

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Online since:

January 2012

Authors:

Jin Hong Gu, Qi Liu, Chao Hui Cheng

Keywords:

Power Quality Disturbances, Short Time Fourier Transform (STFT), S-Transform, S-Transform Module Matrix

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