Autor: Ramos, P. M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Real Time PC Implementation of Power Quality Monitoring System Based on Multiharmonic Least-Squares Fitting
Autorzy:: Ardeleanu, A. S.
Ramos, P. M.
Powiązania:: https://bibliotekanauki.pl/articles/220586.pdf
Data publikacji:: 2011
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: power quality
real time
multiharmonic least-squares fitting
Opis:: In this paper, an algorithm that monitors the power system to detect and classify power quality events in real time is presented. The algorithm is able to detect events caused by waveform distortions and variations of the RMS values of the voltage. Detection of the RMS events is done by comparing the RMS values with certain thresholds, while detection of waveform distortions is made using an algorithm based on multiharmonic leasts-squares fitting.
Źródło:: Metrology and Measurement Systems; 2011, 18, 4; 543-554
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: On the use of multi-harmonic least-squares fitting for THD estimation in power quality analysis
Autorzy:: Ramos, P. M.
Janeiro, F. M.
Radil, T.
Powiązania:: https://bibliotekanauki.pl/articles/220641.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: harmonic analysis
power quality
signal reconstruction
spectral analysis
harmonic distortion
Opis:: The quality of the supplied power by electricity utilities is regulated and of concern to the end user. Power quality disturbances include interruptions, sags, swells, transients and harmonic distortion. The instruments used to measure these disturbances have to satisfy minimum requirements set by international standards. In this paper, an analysis of multi-harmonic least-squares fitting algorithms applied to total harmonic distortion (THD) estimation is presented. The results from the different least-squares algorithms are compared with the results from the discrete Fourier transform (DFT) algorithm. The algorithms are assessed in the different testing states required by the standards.
Źródło:: Metrology and Measurement Systems; 2012, 19, 2; 295-306
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

Artykuł

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