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Stefan cel Mare
University of Suceava
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Print ISSN: 1582-7445
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WorldCat: 643243560
doi: 10.4316/AECE


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  2/2016 - 5

Variable Sampling Composite Observer Based Frequency Locked Loop and its Application in Grid Connected System

ARUN, K. See more information about ARUN, K. on SCOPUS See more information about ARUN, K. on IEEExplore See more information about ARUN, K. on Web of Science, SELVAJYOTHI, K. See more information about SELVAJYOTHI, K. on SCOPUS See more information about SELVAJYOTHI, K. on SCOPUS See more information about SELVAJYOTHI, K. on Web of Science
 
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Download PDF pdficon (1,833 KB) | Citation | Downloads: 807 | Views: 2,607

Author keywords
error compensation, Gaussian processes, mobile robots, motion estimation, simultaneous localization and mapping

References keywords
phase(17), electronics(17), power(16), single(11), industrial(11), karimi(7), grid(7), ghartemani(7), loop(6), locked(6)
Blue keywords are present in both the references section and the paper title.

About this article
Date of Publication: 2016-05-31
Volume 16, Issue 2, Year 2016, On page(s): 33 - 42
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2016.02005
Web of Science Accession Number: 000376996100005
SCOPUS ID: 84974851658

Abstract
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A modified digital signal processing procedure is described for the on-line estimation of DC, fundamental and harmonics of periodic signal. A frequency locked loop (FLL) incorporated within the parallel structure of observers is proposed to accommodate a wide range of frequency drift. The error in frequency generated under drifting frequencies has been used for changing the sampling frequency of the composite observer, so that the number of samples per cycle of the periodic waveform remains constant. A standard coupled oscillator with automatic gain control is used as numerically controlled oscillator (NCO) to generate the enabling pulses for the digital observer. The NCO gives an integer multiple of the fundamental frequency making it suitable for power quality applications. Another observer with DC and second harmonic blocks in the feedback path act as filter and reduces the double frequency content. A systematic study of the FLL is done and a method has been proposed to design the controller. The performance of FLL is validated through simulation and experimental studies. To illustrate applications of the new FLL, estimation of individual harmonics from nonlinear load and the design of a variable sampling resonant controller, for a single phase grid-connected inverter have been presented.


References | Cited By  «-- Click to see who has cited this paper

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[CrossRef]


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[CrossRef] [Web of Science Times Cited 31] [SCOPUS Times Cited 38]


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[CrossRef] [Web of Science Times Cited 223] [SCOPUS Times Cited 280]


[13] Fengjiang Wu, Dongyang Sun, Lujie Zhang, Jiandong Duan, "Influence of Plugging DC offset Estimation Integrator in Single Phase EPLL and Alternative Scheme to Eliminate Effect of Input DC Offset and Harmonics", IEEE Transactions on Industrial Electronics, vol. 62, no. 8, pp. 4823-4831, 2015.
[CrossRef] [Web of Science Times Cited 45] [SCOPUS Times Cited 47]


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[CrossRef] [Web of Science Times Cited 140] [SCOPUS Times Cited 161]


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References Weight

Web of Science® Citations for all references: 4,224 TCR
SCOPUS® Citations for all references: 5,796 TCR

Web of Science® Average Citations per reference: 156 ACR
SCOPUS® Average Citations per reference: 215 ACR

TCR = Total Citations for References / ACR = Average Citations per Reference

We introduced in 2010 - for the first time in scientific publishing, the term "References Weight", as a quantitative indication of the quality ... Read more

Citations for references updated on 2022-06-28 00:06 in 154 seconds.




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