2012
IMAACA 2012 Proceeding
Voltage envelope, noise and hilbert transform
Authors: Federico Muiño, Maximiliano Carabajal, Marcela Morvidone, Carlos D'attellis, Matías Fabbro
Abstract
The fluctuation of voltage is one of the important power quality events. Different methods have been proposed for estimating the voltage envelope, but the presence of noise is, in general, not considered. A method for estimating the envelope in presence of noise, based on the Hilbert transform and a low-pass filter, is presented. The results obtained from a real signal measured from an arc furnace are shown.
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