NDLI: Six switches solution for single-phase AC/DC/AC converter with capability of second-order power mitigation in DC-link capacitor

Content Provider	IEEE Xplore Digital Library
Author	Xiong Liu Peng Wang Poh Chiang Loh Blaabjerg, F. Mingyu Xue
Copyright Year	2011
Description	Author affiliation: Institute of Energy Technology, Aalborg University, Aalborg East, Denmark (Blaabjerg, F.) \|\| School of Electrical and Electronic Engineering, Nanyang Technological University, 639798, Singapore (Xiong Liu; Peng Wang; Poh Chiang Loh) \|\| College of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, China (Mingyu Xue)
Abstract	This paper proposes an approach for DC-link second-order harmonic power cancellation in single-phase AC/DC/AC converter with reduced number of switches. The proposed six-switch converter has two bridges with three switches in each of them, where the middle switch in each bridge is shared by the AC/DC rectifier and DC/AC inverter. A small size DC-link capacitor can be achieved through coordination control of rectifier and inverter to cancel the second-order oscillation power. Maximum available phase difference between rectifier's and inverter's modulation references is investigated to be dependent on their modulation indices of the six-switch converter, and high modulation indices are proved to be feasible for second-order power cancellation in the DC-link based on the phase difference analysis. Both reduced switch numbers and DC electrolytic capacitor size can be achieved using the proposed converter. Simulation results are provided to validate the effectiveness of the topology and control of the proposed six-switch AC/DC/AC converter.
Starting Page	1368
Ending Page	1375
File Size	887636
Page Count	8
File Format	PDF
ISBN	9781457705427
e-ISBN	9781457705410
DOI	10.1109/ECCE.2011.6063938
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power Phase modulation Capacitors Rectifiers Inverters Topology
Content Type	Text
Resource Type	Article

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