NDLI: Quasi proportional-resonant control of single-phase photovoltaic grid-connected system with LCL filter

Content Provider	IEEE Xplore Digital Library
Author	Yumei Liu Rui Bai Daoqian Wang Wenge Ma Zifeng Zhang
Copyright Year	2014
Description	Author affiliation: Sch. of Electr. Eng., Liaoning Univ. of Technol., Jinzhou, China (Yumei Liu; Rui Bai; Daoqian Wang; Wenge Ma) \|\| Electr. Power Res. Inst., Shenzhen BYD Auto Co. Ltd., Shenzhen, China (Zifeng Zhang)
Abstract	The grid-connected photovoltaic (PV) power generation is expected to be more widespread and paid more attention. In order to suppress the high-frequency harmonic current of PV grid-connected inverters, LCL filter is utilized to lower the current total harmonic distortion rate. On the basis of LCL filter, double-loop current control scheme with the quasi proportional-resonant method is designed. The proposed control method can reduce the steady-state error of the current, and eliminate the impact of the grid frequency offset on the net current. And the system oscillation caused by the resonance frequency can be decreased, too. Therefore, the stability and robustness of the grid-connected system are improved. Simulation is implemented, and the simulation results confirm the effectiveness of the proposed control method.
Starting Page	4792
Ending Page	4796
File Size	212609
Page Count	5
File Format	PDF
ISBN	9781479937073
e-ISBN	9781479937080
DOI	10.1109/CCDC.2014.6853031
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-31
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Current control Photovoltaic systems Simulation LCL Filter Pulse width modulation Single-Phase PV Grid-Connected Harmonic analysis Inverters Power harmonic filters Frequency control Quasi Proportional-Resonant
Content Type	Text
Resource Type	Article

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