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Time-Frequency Domain Techniques For Identification Of Power System Transients

Ashwani Kumar Chandel*, P. Srikanth**

*-** Department of Electrical Engineering, National Institute of Technology, Hamirpur, Himachal Pradesh, India.

Periodicity:October - December'2011
DOI : https://doi.org/10.26634/jee.5.2.1586

Abstract

In the present work power system transient disturbances using Stockwell and Hartley Stockwell transforms have been identified. Stockwell transform (ST) is utilized previously for the real time prediction of the disturbance as it is able to accurately determine the sudden burst in the signal. However, in some cases the frequency resolution of ST is low. Consequently, Hartley Stockwell transform (HST) has been proposed which has a good frequency resolution. A comparison of proposed HST technique with ST considering various test cases has been carried out, which shows its efficacy.

Keywords

Contours, Signal Processing, Transient, Wavelet Transform

How to Cite this Article?

Ashwani Kumar Chandel and P. Srikanth (2011). Time-Frequency Domain Techniques for Identification of Power System Transients. i-manager’s Journal on Electrical Engineering, 5(2), 42-48. https://doi.org/10.26634/jee.5.2.1586

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