Three-Phase Phase-Locked Loop Algorithms Based on Sliding Modes

This article proposes a family of phase-locked loop schemes based on sliding modes. The use of sliding mode algorithms ensures fast response and global stability. In particular, two new algorithms are presented, both based on a complex framework for representing three-phase signals. This article com...

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Bibliographic Details
Published inIEEE transactions on power electronics Vol. 36; no. 9; pp. 10842 - 10851
Main Authors Doria-Cerezo, Arnau, Repecho, Victor, Biel, Domingo
Format Journal Article
LanguageEnglish
Published New York IEEE 01.09.2021
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Algorithms
Digital signal processors
Heuristic algorithms
Microprocessors
Observers
Phase locked loops
Power system stability
Signal processing
Signal processing algorithms
sliding mode control
Switches
Trajectory
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ISSN0885-8993
1941-0107
1941-0107
DOI10.1109/TPEL.2021.3064674

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Summary:This article proposes a family of phase-locked loop schemes based on sliding modes. The use of sliding mode algorithms ensures fast response and global stability. In particular, two new algorithms are presented, both based on a complex framework for representing three-phase signals. This article compares the obtained algorithms with the traditional schemes, and a faster response is obtained when sliding modes are used. Additionally, as an application example, the algorithm is combined with a complex-coefficient filter that allows an easy identification of both positive and negative sequence harmonics. The proposed algorithms are illustrated by numerical simulations and experimentally validated using a digital signal processor.
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ISSN:0885-8993
1941-0107
1941-0107
DOI:10.1109/TPEL.2021.3064674