Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/84528
Title: Active magnetic decoupling for improving the performance of integrated LCL-filters in grid-connected converters
Authors: Li, Xiaoqiang
Fang, Jingyang
Lin, Pengfeng
Tang, Yi
Keywords: Active Magnetic Decoupling
Core Volume
Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Li, X., Fang, J., Lin, P., & Tang, Y. (2018). Active Magnetic Decoupling for Improving the Performance of Integrated LCL-Filters in Grid-Connected Converters. IEEE Transactions on Industrial Electronics, 65(2), 1367-1376. doi:10.1109/TIE.2017.2733445
Series/Report no.: IEEE Transactions on Industrial Electronics
Abstract: Magnetically integrating converter-side and grid-side inductors is an effective way to reduce the volume and weight of LCL filters. However, the inevitable magnetic coupling between the two coils weakens the high order harmonic attenuation ability of LCL filters. In this paper, an active magnetic decoupling method is proposed to tackle this issue, and the basic operation principle is to counteract the coupling inductor in the filter capacitor branch by constructing a decoupling inductor. A step-by-step design guidance of integrated LCL filters with the proposed magnetic decoupling method is presented in detail, and it is also found that a further volume reduction of magnetic cores can be achieved compared to the existing passive decoupling method. Experimental results finally verify the effectiveness of the proposed method.
URI: https://hdl.handle.net/10356/84528
http://hdl.handle.net/10220/50108
ISSN: 0278-0046
DOI: 10.1109/TIE.2017.2733445
Schools: School of Electrical and Electronic Engineering 
Interdisciplinary Graduate School (IGS) 
Research Centres: Energy Research Institute @ NTU (ERI@N) 
Rights: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: https://doi.org/10.1109/TIE.2017.2733445.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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