Harmonics Suppression for Single-Phase Grid-Connected Photovoltaic Systems in Different Operation Modes

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Abstrakt

As the penetration of grid-connected photovoltaic (PV) systems is booming, specific grid demands are imposed on such interconnected PV systems. Therefore, achieving high reliable PV systems with high power quality is of intense interest. However, the injected current from single-phase grid-connected PV inverters may be severely affected in different operation modes. In this paper, a detailed analysis is conducted to reveal the relationship between the harmonics level with the power factor and the current level in the PV systems. A current control solution which employs an Internal Model Principle (IMP) is proposed to suppress the harmonic currents injected into the grid. Experiments are carried out to verify the analysis and the performance of the proposed control method. It is demonstrated that the proposed method presents an effective solution to harmonics suppression for single-phase grid-connected PV systems in different operation modes. Especially, it can remove higher order harmonics effectively leading to a better power quality compared to the Proportional plus Multi-Resonant Controller, and it has less computational burden.
OriginalsprogEngelsk
TitelProceedings of the IEEE Applied Power Electronics Conference and Exposition, 2013
Antal sider8
ForlagIEEE Press
Publikationsdato2013
Sider889-896
ISBN (Trykt)978-1-4673-4354-1
ISBN (Elektronisk)978-1-4673-4353-4
DOI
StatusUdgivet - 2013
BegivenhedThe Applied Power Electronics Conference and Exposition, 2013 - Long Beach Convention Cente, Long Beach, USA
Varighed: 17 mar. 201321 mar. 2013

Konference

KonferenceThe Applied Power Electronics Conference and Exposition, 2013
LokationLong Beach Convention Cente
LandUSA
ByLong Beach
Periode17/03/201321/03/2013
NavnI E E E Applied Power Electronics Conference and Exposition. Conference Proceedings
ISSN1048-2334

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Citationsformater

Yang, Y., Zhou, K., & Blaabjerg, F. (2013). Harmonics Suppression for Single-Phase Grid-Connected Photovoltaic Systems in Different Operation Modes. I Proceedings of the IEEE Applied Power Electronics Conference and Exposition, 2013 (s. 889-896). IEEE Press. I E E E Applied Power Electronics Conference and Exposition. Conference Proceedings https://doi.org/10.1109/APEC.2013.6520316