Benchmarking of Phase Locked Loop based Synchronization Techniques for Grid-Connected Inverter Systems

Yongheng Yang, Lenos Hadjidemetriou, Frede Blaabjerg, Elias Kyriakides

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36 Citationer (Scopus)
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Abstrakt

Grid-connected renewables are increasingly developed in recent years, e.g. wind turbine systems and photovoltaic systems. Synchronization of the injected current with the grid is mandatory. However, grid disturbances like voltage sags, harmonics, and frequency deviations may occur during operation, becoming inevitable challenges to the synchronization of the grid-connected renewable energy systems. In order to ensure the quality of the power generation from the renewables, robust and reliable synchronization methods are in demand. Among the prior-art solutions, Phase Locked Loop (PLL) based synchronization methods have gained much popularity in grid-connected applications. However, an appropriate selection and thus a proper design of the selected PLL synchronization remain of interest in practice, especially for single-phase systems. Therefore, in this paper, a benchmarking of the main PLL synchronization methods for single-phase grid-connected inverter systems in terms of accuracy, dynamic response, harmonic immunity, etc., has been conducted. Experiments on a 1-kW single-phase grid-connected system, suffering from different grid disturbances, are performed for the benchmarking. The experimental results have verified the discussions.
OriginalsprogEngelsk
TitelProceedings of the 2015 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia)
Antal sider8
ForlagIEEE Press
Publikationsdatojun. 2015
Sider2517-2524
Artikelnummer7168077
ISBN (Trykt)978-895708254-6
DOI
StatusUdgivet - jun. 2015
Begivenhed9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia 2015) - Seoul, Sydkorea
Varighed: 1 jun. 20155 jun. 2015

Konference

Konference9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia 2015)
LandSydkorea
BySeoul
Periode01/06/201505/06/2015

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    Yang, Y., Hadjidemetriou, L., Blaabjerg, F., & Kyriakides, E. (2015). Benchmarking of Phase Locked Loop based Synchronization Techniques for Grid-Connected Inverter Systems. I Proceedings of the 2015 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia) (s. 2517-2524). [7168077] IEEE Press. https://doi.org/10.1109/ICPE.2015.7168077