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Impact of Grid-Connected Inverter Parameters on the Supraharmonic Emissions in Distributed Power Generation Systems

descriptionPublicationkeyboard_double_arrow_right Article 07 Nov 2023 Belgium Publisher:MDPI AGJournal:Machines, volume 11, page 1,014 (eissn: 2075-1702,

Authors: Abdellatif M. Aboutaleb; Jan Desmet; Jos Knockaert;

doi: 10.3390/machines11111014

handle: 1854/LU-01HEQQ1TX2D96SWA7TKSDS2PR5

Impact of Grid-Connected Inverter Parameters on the Supraharmonic Emissions in Distributed Power Generation Systems

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Abstract

In this paper, a mathematical analysis is presented to show the effect of grid-connected inverter (GCI) parameters on its emissions in the supraharmonic range. This analysis is extended to explain the effect of asymmetry on the emissions of parallel-connected GCIs on distributed power generation systems. The switching harmonics of a GCI appear as bands around the switching frequency and its multiples. A MATLAB/Simulink model is built to perform two studies. In the first study, we use one GCI to examine the effect of the parameters on the emissions, while in the second study, we examine the effect of the asymmetry of two parallel-connected GCIs on the total emission toward the grid. An actual setup is built to verify the results of the mathematical analysis and the simulation study. It is found that the SHs of single-phase GCI amplitude are strongly dependent on the DC-link voltage and the coupling inductor, while the phases of the sideband harmonics only change with changing the injected power. The variation of the injected power does not have any tangible effect on the carrier harmonics.

Country

Belgium

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Keywords

Technology and Engineering, Control and Optimization, Mechanical Engineering, switching harmonics, Industrial and Manufacturing Engineering, distributed power generation systems, Control and Systems Engineering, grid-connected inverters, Computer Science (miscellaneous), TJ1-1570, Mechanical engineering and machinery, Electrical and Electronic Engineering, supraharmonics

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	7
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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%