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Analysis of hybrid energy storage systems with DC link fault ride-through capability

Georgious, Ramy; Garcia, Jorge; Garcia, Pablo; Sumner, M.


Ramy Georgious

Jorge Garcia

Pablo Garcia

Professor of Electrical Energy Systems


In this work, a Fault Ride-Through control scheme for a non-isolated power topology for Hybrid Energy Storage Systems in a DC microgrid is presented. The Hybrid System is created from a Lithium-Ion Battery and a Supercapacitor Module coordinated to achieve a high-energy and high-power storage system; it is connected to a DC link to interface to the outer system. The power topology under consideration is based on the buck-boost bidirectional converter, and it is controlled through a bespoke modulation scheme in order to obtain low losses in nominal operation. The operation of the proposed control during a DC link short-circuit failure is shown as well as a modification to the standard control in order to achieve Fault Ride-Through once the fault is over. The operation of the converter is theoretically developed and it is verified through simulation and experimental validation.


Georgious, R., Garcia, J., Garcia, P., & Sumner, M. (2016). Analysis of hybrid energy storage systems with DC link fault ride-through capability.

Conference Name ECCE 2016
End Date Sep 22, 2016
Acceptance Date May 1, 2016
Online Publication Date Feb 16, 2017
Publication Date Sep 21, 2016
Deposit Date Jun 8, 2017
Publicly Available Date Jun 8, 2017
Peer Reviewed Peer Reviewed
Keywords Hybrid; Energy Storage System; buck-boost converter; Fault Ride-Through capability
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Additional Information Published in: 2016 IEEE Energy Conversion Congress and Exposition (ECCE). Piscataway, N.J. : IEEE, 2016. ISBN: 978-1-5090-0738-7 doi:10.1109/ECCE.2016.7854875 © 2016 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.


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