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A four-legs matrix converter ground power unit with repetitive voltage control

Rohuma, Wesam; Zanchetta, Pericle; Wheeler, Patrick; Empringham, Lee

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Authors

Wesam Rohuma

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PATRICK WHEELER pat.wheeler@nottingham.ac.uk
Professor of Power Electronic Systems

LEE EMPRINGHAM LEE.EMPRINGHAM@NOTTINGHAM.AC.UK
Professor of Power Conversion Technologies



Abstract

In this paper, a four-leg matrix converter is proposed as the power conversion core for aircraft ground power unit (GPU) applications. This structure allows easy management of unbalanced and nonlinear loads with minimal disruption of the power supply operation. A hybrid repetitive-traditional control system is proposed to regulate the output voltage of the GPU. This solution reduces the steady-state tracking error, maintaining fast dynamic characteristics, and increases the stability of the converter compared to conventional approaches. Simulations and experimental results from a 7.5-KW converter prototype are presented to verify the operation of the proposed configuration and to prove the effectiveness of the solution.

Journal Article Type Article
Acceptance Date Dec 27, 2013
Online Publication Date Dec 10, 2014
Publication Date Apr 1, 2015
Deposit Date May 18, 2016
Publicly Available Date May 18, 2016
Journal IEEE Transactions on Industrial Electronics
Print ISSN 0278-0046
Electronic ISSN 0278-0046
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 62
Issue 4
DOI https://doi.org/10.1109/TIE.2014.2379585
Keywords aircraft power systems; matrix convertors; voltage control;
aircraft ground power unit applications; four-leg matrix converter ground power unit; hybrid repetitive-traditional control system; power 7.5 kW; power conversion core; power supply operation;
Public URL https://nottingham-repository.worktribe.com/output/984375
Publisher URL http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6981985
Additional Information 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works.

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