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A Wavelet-Modified ESPRIT Hybrid Method for Assessment of Spectral Components from 0 to 150 kHz
Department of Engineering, University of Naples Parthenope, Centro Direzionale of Naples.
Department of Engineering, University of Naples Parthenope, Centro Direzionale of Naples.
Department of Electrical Engineering and Information Technology, University of Naples Federico II.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0002-9103-0226
Rekke forfattare: 42017 (engelsk)Inngår i: Energies, ISSN 1996-1073, E-ISSN 1996-1073, Vol. 10, nr 1, artikkel-id 97Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Waveform distortions are an important issue in distribution systems. In particular, the assessment of very wide spectra, that include also components in the 2-150 kHz range, has recently become an issue of great interest. This is due to the increasing presence of high-spectral emission devices like end-user devices and distributed generation systems. This study proposed a new sliding-window wavelet-modified estimation of signal parameters by rotational invariance technique (ESPRIT) method, particularly suitable for the spectral analysis of waveforms that have very wide spectra. The method is very accurate and requires reduced computational effort. It can be applied successfully to detect spectral components in the range of 0-150 kHz introduced both by distributed power plants, such as wind and photovoltaic generation systems, and by end-user equipment connected to grids through static converters, such as fluorescent lamps.

sted, utgiver, år, opplag, sider
MDPI, 2017. Vol. 10, nr 1, artikkel-id 97
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Forskningsprogram
Energiteknik
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URN: urn:nbn:se:ltu:diva-61935DOI: 10.3390/en10010097ISI: 000392422500097OAI: oai:DiVA.org:ltu-61935DiVA, id: diva2:1073320
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Validerad; 2017; Nivå 2; 2017-02-10 (andbra)

Tilgjengelig fra: 2017-02-10 Laget: 2017-02-10 Sist oppdatert: 2018-11-16bibliografisk kontrollert

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