Design and Experimentation of a Single-Phase PLL With Novel OSG Method

Different phase-locked loop algorithms applied to three-phase grid voltages implement a closed control loop based on the Park transform to obtain the grid voltage instantaneous phase and frequency. When a single-phase grid voltage must be processed, one of the inputs of the Park transform is generat...

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Main Authors: Manuele Bertoluzzo, Stefano Giacomuzzi, Abhay Kumar
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9740183/
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author Manuele Bertoluzzo
Stefano Giacomuzzi
Abhay Kumar
author_facet Manuele Bertoluzzo
Stefano Giacomuzzi
Abhay Kumar
author_sort Manuele Bertoluzzo
collection DOAJ
description Different phase-locked loop algorithms applied to three-phase grid voltages implement a closed control loop based on the Park transform to obtain the grid voltage instantaneous phase and frequency. When a single-phase grid voltage must be processed, one of the inputs of the Park transform is generated by a block that, starting from the available voltage, computes an additional signal with the same frequency of the grid voltage and ideally orthogonal to it. This paper introduces a novel method for the orthogonal signal generation and gives a detailed analysis of its functioning. Then, after sizing the control loop of the phase-locked loop, the paper considers different aspects relevant to implementation of the presented orthogonal signal generation and of the phase-locked loop on a digital signal controller, such as the finite numerical resolution, the memory usage and the computation time. Finally, the paper checks the comprehensive performance of the orthogonal signal generation and phase-locked loop pair by experimental tests and compares the obtained results with those available in the literature.
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spelling doaj.art-becec3961f08469fa6556d4482764b7f2022-12-21T23:29:17ZengIEEEIEEE Access2169-35362022-01-0110333933340710.1109/ACCESS.2022.31616589740183Design and Experimentation of a Single-Phase PLL With Novel OSG MethodManuele Bertoluzzo0https://orcid.org/0000-0002-9571-1539Stefano Giacomuzzi1https://orcid.org/0000-0002-1455-0500Abhay Kumar2https://orcid.org/0000-0003-3560-3779Department of Industrial Engineering, University of Padova, Padova, ItalyDepartment of Industrial Engineering, University of Padova, Padova, ItalyDepartment of Industrial Engineering, University of Padova, Padova, ItalyDifferent phase-locked loop algorithms applied to three-phase grid voltages implement a closed control loop based on the Park transform to obtain the grid voltage instantaneous phase and frequency. When a single-phase grid voltage must be processed, one of the inputs of the Park transform is generated by a block that, starting from the available voltage, computes an additional signal with the same frequency of the grid voltage and ideally orthogonal to it. This paper introduces a novel method for the orthogonal signal generation and gives a detailed analysis of its functioning. Then, after sizing the control loop of the phase-locked loop, the paper considers different aspects relevant to implementation of the presented orthogonal signal generation and of the phase-locked loop on a digital signal controller, such as the finite numerical resolution, the memory usage and the computation time. Finally, the paper checks the comprehensive performance of the orthogonal signal generation and phase-locked loop pair by experimental tests and compares the obtained results with those available in the literature.https://ieeexplore.ieee.org/document/9740183/Orthogonal signal generationphase-locked-loopphase and frequency estimation
spellingShingle Manuele Bertoluzzo
Stefano Giacomuzzi
Abhay Kumar
Design and Experimentation of a Single-Phase PLL With Novel OSG Method
IEEE Access
Orthogonal signal generation
phase-locked-loop
phase and frequency estimation
title Design and Experimentation of a Single-Phase PLL With Novel OSG Method
title_full Design and Experimentation of a Single-Phase PLL With Novel OSG Method
title_fullStr Design and Experimentation of a Single-Phase PLL With Novel OSG Method
title_full_unstemmed Design and Experimentation of a Single-Phase PLL With Novel OSG Method
title_short Design and Experimentation of a Single-Phase PLL With Novel OSG Method
title_sort design and experimentation of a single phase pll with novel osg method
topic Orthogonal signal generation
phase-locked-loop
phase and frequency estimation
url https://ieeexplore.ieee.org/document/9740183/
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