NDLI: Modeling, Analysis, and Design of Multifunction Grid-Interfaced Inverters With Output LCL Filter

Content Provider	IEEE Xplore Digital Library
Author	Zhixiang Zou Zheng Wang Ming Cheng
Copyright Year	1986
Abstract	The purpose of this paper is to investigate the model, control, and implementation of a multifunction grid-interfaced inverter with output LCL filter, which can provide high performance active power current and compensate the existent harmonics simultaneously in a distributed network. Equipped with LCL filter, the proposed multifunction inverter offers reduced switching harmonics and superior output current shapes. However, the multifunction inverter with output LCL filter brings some challenges, including LCL resonance, phase lag, and complexity in system design. To address these issues, this paper analyzes and develops general Thevenin/Norton models for the multifunction grid inverters with LCL filter. Based on the general models of system, this paper presents guidelines of the control and the procedure of filter design for this application. In particular, a proportional-resonant (PR) plus odd-harmonic repetitive control (OHRC) scheme is designed for the outer current loop. The phase compensation method and detailed design criteria for the proposed control scheme are presented. Furthermore, the proposed OHRC scheme is compared with the previous multiple resonant control (MRC) based on their internal relationship. Simulation and experimental results are provided to validate the effectiveness and advantages of the proposed control strategy.
Sponsorship	IEEE Power Electronics Society
Starting Page	3830
Ending Page	3839
Page Count	10
File Size	1027936
File Format	PDF
ISSN	08858993
Volume Number	29
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power harmonic filters Inverters Harmonic analysis Active filters Frequency control Resonant frequency power quality Current control grid-interfaced inverter LCL filter
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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