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Application of wavelets to model short-term power system disturbances

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2 Author(s)
Pillay, P. ; Clarkson Univ., Potsdam, NY, USA ; Bhattacharjee, A.

This paper presents an advanced mathematical tool for the analysis of power system disturbances. Disturbances that are nonperiodic require a more powerful mathematical technique than the Fourier series. The “wavelet transformation” is one such tool that can be used. The wavelet transform translates the time-domain function into a representation localized not only in frequency but also in time. In this paper, the theory is applied to model several short term events like a capacitor switching transient, an autoreclosure, and a voltage dip

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Power Systems, IEEE Transactions on  (Volume:11 ,  Issue: 4 )