Frequency-Locked Loop Based Estimation of Single-Phase Grid Voltage Parameters

Hafiz Ahmed; Sid-Ali Amamra; Michael Bierhoff

doi:10.1109/TIE.2018.2873527

Frequency-Locked Loop Based Estimation of Single-Phase Grid Voltage Parameters

Hafiz Ahmed, Sid-Ali Amamra, Michael Bierhoff

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61 Citations (Scopus)

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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.

Original language	English
Article number	8485651
Pages (from-to)	8856 - 8859
Number of pages	4
Journal	IEEE Transactions on Industrial Electronics
Volume	66
Issue number	11
Early online date	8 Oct 2018
DOIs	https://doi.org/10.1109/TIE.2018.2873527
Publication status	Published - Nov 2019

Bibliographical note

© 2018 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.

Keywords

Frequency estimation
frequency-locked loop
phase estimation

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering

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10.1109/TIE.2018.2873527

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Cite this

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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.",

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Frequency-Locked Loop Based Estimation of Single-Phase Grid Voltage Parameters

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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