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Frequency-locked loop-based estimation of single-phase grid voltage parameters
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Ahmed, Hafiz, Amamra, Sid-Ali and Bierhoff, Michael (2019) Frequency-locked loop-based estimation of single-phase grid voltage parameters. IEEE Transactions on Industrial Electronics, 66 (11). pp. 8856-8859. doi:10.1109/TIE.2018.2873527
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Official URL: http://dx.doi.org/10.1109/TIE.2018.2873527
Abstract
Estimation of amplitude, instantaneous phase, and frequency of a single-phase grid voltage signal are studied in this letter. The proposed approach uses a novel circular limit cycle oscillator (CLO) coupled with a frequency-locked loop. Due to the nonlinear structure of the CLO, the proposed frequency adaptive CLO technique is robust against various perturbations faced in the practical settings, e.g., the discontinuous jump of phase, frequency, and amplitude. The global stability analysis of the CLO and local stability analysis of the frequency adaptive CLO are performed. Experimental results demonstrate the effectiveness of the proposed technique over a very recent technique proposed in the literature.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Journal or Publication Title: | IEEE Transactions on Industrial Electronics | ||||||||
| Publisher: | IEEE | ||||||||
| ISSN: | 0278-0046 | ||||||||
| Official Date: | November 2019 | ||||||||
| Dates: |
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| Volume: | 66 | ||||||||
| Number: | 11 | ||||||||
| Page Range: | pp. 8856-8859 | ||||||||
| DOI: | 10.1109/TIE.2018.2873527 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Publisher Statement: | © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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