NDLI: Magnetic integration of an LCL filter for the single-phase grid-connected inverter

Content Provider	IEEE Xplore Digital Library
Author	Donghua Pan Xinbo Ruan Xuehua Wang Chenlei Bao Weiwei Li
Copyright Year	2012
Description	Author affiliation: State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan, China (Donghua Pan; Xinbo Ruan; Xuehua Wang; Chenlei Bao; Weiwei Li)
Abstract	The LCL filter is widely used in grid-connected inverters due to its outstanding performance of attenuating the switching frequency current harmonics. An LCL filter has two individual inductors. Numbers of magnetic cores are required, and large volume has to be reserved for these two inductors. In order to reduce the core volume, magnetic integration of these two inductors is introduced in this paper. Since the attenuating ability of the LCL filter would be weakened by the coupling between the two inductors, decoupled magnetic integration is chosen consequently. Though the reluctance of the common core can hardly be zero, the decoupled magnetic integration scheme is still attractive. A 6-kW prototype is built in the lab, and the experimental results validate the effectiveness of the proposed magnetic integration scheme.
Starting Page	573
Ending Page	578
File Size	666924
Page Count	6
File Format	PDF
ISBN	9781467308021
e-ISBN	9781467308038
e-ISBN	9781467308014
DOI	10.1109/ECCE.2012.6342770
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Couplings Magnetic flux Magnetic cores Magnetic separation Harmonic analysis Inductors Power harmonic filters
Content Type	Text
Resource Type	Article

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