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New procedure for harmonics estimation based on Hilbert transformation

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Abstract
The paper suggests a new procedure for the estimation of the parameters (amplitude and phase) for a complex periodic signal, based on the concept of analytic signal (AS). Starting from the supposition that the signal fundamental frequency has been estimated in advance at
an independent stage, new analytical relations are derived for fast calculation of the unknown parameters, entailing a low numerical error. In this manner a method has been defined with a potential for successful implementation in various signal processing applications such as signal reconstruction, spectral estimation, measuring and monitoring in power systems. To review the real performance of the proposed algorithm, simulation procedures have been used to compare its measurement precision with the results obtained
using fast Fourier transform (FFT) and continuous wavelet transformation (CWT) implementations. It has been found that the proposed algorithm yields a high level of precision in calculating unknown parameters of the processed signal, delivering all the necessary calculations in real time.

Keywords : Hilbert transformation · Analytic signal · Finite-impulse–response (FIR) Hilbert filter · Van der Monde matrix · Harmonics · Power quality (PQ)

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Informasi Detail

Judul Seri

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No. Panggil

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Penerbit

: Springer-Verlag Berlin Heidelberg., 2017

Deskripsi Fisik

Electr Eng (2017) 99:313–323

Bahasa

English

ISBN/ISSN

1432-0487

Klasifikasi

NONE

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

Electronical engineering ; Volume 99, Issue 1, Mar

Subjek

TEKNIK ELEKTRO
ELECTRICAL ENGINEERING

Info Detail Spesifik

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Pernyataan Tanggungjawab

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