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Performance Analysis and Benchmarking of PLL-Driven Phasor Measurement Units for Renewable Energy Systems

1
School of Engineering, London South Bank University, London SE1 0AA, UK
2
School of Electronic Engineering and Computer Science, Queen Mary University of London, London E1 4NS, UK
3
Department of Electrical Engineering, Computer Engineering and Informatics, Frederick University, Nicosia 1036, Cyprus
*
Author to whom correspondence should be addressed.
Academic Editor: Ahmed F. Zobaa
Energies 2022, 15(5), 1867; https://doi.org/10.3390/en15051867
Received: 10 December 2021 / Revised: 14 February 2022 / Accepted: 1 March 2022 / Published: 3 March 2022
Phasor measurement units (PMUs) are a key part of electrical power systems, providing the dynamic monitoring and control of electrical units and impacting overall operation and synchronization of a network if not properly designed. This paper investigates the use of a phase-locked loop (PLL)-based algorithm for PMUs (to accurately find the magnitude, phase, and frequency) in a three-phase system. Various PLLs are reported in the literature, ranging from the very basic to advanced, capable of dealing with normal and abnormal grid behavior and mainly used for the control of grid-connected converters. In this paper, a number of PLLs were utilized to perform PMU functions, and a benchmarking study has been investigated to analyze the developed PLL-driven PMUs under various grid conditions (such as unbalanced faults, harmonics, and frequency variations). The simulation and experimental results were provided to support the performance capabilities and suggested limitations. In addition, the best PMU in benchmarking was used in the Kundur’s two-area system to show the significance of PMUs in a power system. View Full-Text
Keywords: phase-locked loops; phasor measurement units; grid support; control and optimization; grid-connected converters; grid reliability phase-locked loops; phasor measurement units; grid support; control and optimization; grid-connected converters; grid reliability
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MDPI and ACS Style

Ali, Z.; Saleem, K.; Brown, R.; Christofides, N.; Dudley, S. Performance Analysis and Benchmarking of PLL-Driven Phasor Measurement Units for Renewable Energy Systems. Energies 2022, 15, 1867. https://doi.org/10.3390/en15051867

AMA Style

Ali Z, Saleem K, Brown R, Christofides N, Dudley S. Performance Analysis and Benchmarking of PLL-Driven Phasor Measurement Units for Renewable Energy Systems. Energies. 2022; 15(5):1867. https://doi.org/10.3390/en15051867

Chicago/Turabian Style

Ali, Zunaib, Komal Saleem, Robert Brown, Nicholas Christofides, and Sandra Dudley. 2022. "Performance Analysis and Benchmarking of PLL-Driven Phasor Measurement Units for Renewable Energy Systems" Energies 15, no. 5: 1867. https://doi.org/10.3390/en15051867

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