NDLI: A frequency adaptive technique for accurate estimation of single-phase grid voltage fundamental parameters

Content Provider	IEEE Xplore Digital Library
Author	Reza, M.S. Ciobotaru, M. Agelidis, V.G.
Copyright Year	2013
Description	Author affiliation: Sch. of Electr. Eng. & Telecommun., Univ. of New South Wales, Sydney, NSW, Australia (Reza, M.S.; Ciobotaru, M.; Agelidis, V.G.)
Abstract	This paper proposes a frequency adaptive quadrature signal generator (QSG) for estimating the single-phase grid voltage fundamental parameters such as amplitude and frequency. The QSG relies on the anticonjugate decomposition (ACD) and the cascaded delayed signal cancellation (CDSC) strategies (QSG-ACDSC), and it is used to track the fundamental voltage amplitude. The frequency adaptive capability of the QSG-ACDSC is obtained by a frequency estimation algorithm based on the estimated fundamental orthogonal voltage waveforms. The technique is relatively simple and it can provide accurate estimation of fundamental voltage amplitude and frequency. The proposed technique shows less sensitivity to the presence of harmonics as compared to the QSG based on a second order generalized integrator and a frequency-locked loop. Simulation results are presented to verify the performance of the proposed technique.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	6408
Ending Page	6413
File Size	476907
Page Count	6
File Format	PDF
ISBN	9781479902248
ISSN	1553572X
DOI	10.1109/IECON.2013.6700191
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency estimation Harmonic analysis Estimation Phase locked loops Power harmonic filters Voltage fluctuations Time-frequency analysis single-phase voltage system Anticonjugate decomposition (ACD) cascaded delayed signal cancellation (CDSC) parameter estimation quadrature signal generator (QSG)
Content Type	Text
Resource Type	Article

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