Firefly Algorithm Optimized Robust Protection Scheme for DC Microgrid

Sid-Ali Amamra, Hafiz Ahmed, Ragab El-Sehiemy

Research output: Contribution to journalArticle

4 Citations (Scopus)
16 Downloads (Pure)

Abstract

Various topologies of the Direct Current (DC) microgrid have been proposed in the literature by considering practical requirements. One of the important criteria in topology selection is the availability of a well-functioning protection scheme. A significant part of the DC microgrid protection system literature considers differential protection schemes for various topologies. However this scheme doesn’t work satisfactorily with noisy measurements. Noisy measurements are a reality and can not be avoided for any real engineering system. This article proposes a robust protection scheme to alleviate some problems associated with topology selection. The proposed scheme considers noisy current measurements and works by estimating the time derivative of line currents. The proposed approach uses continuous finite-time convergent differentiator to estimate the derivative. The gains of the differentiator were tuned through Firefly algorithm-based optimization technique. Matlab/Simulink ®-based simulations verified the effectiveness of the proposed approach over the existing differential current scheme.

Original languageEnglish
Pages (from-to)1141-1151
Number of pages11
JournalElectric Power Components and Systems
Volume45
Issue number10
DOIs
Publication statusPublished - 28 Jul 2017

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Topology
Derivatives
Electric current measurement
Systems engineering
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Bibliographical note

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

Keywords

  • Firefly algorithm
  • DC microgrid
  • Robust protection scheme
  • Numerical differentiation
  • Sliding mode differentiator
  • Evolutionary optimization
  • Renewable energy
  • Fault detection
  • Robust derivative estimation
  • Differential protection

Cite this

Firefly Algorithm Optimized Robust Protection Scheme for DC Microgrid. / Amamra, Sid-Ali; Ahmed, Hafiz; El-Sehiemy, Ragab.

In: Electric Power Components and Systems, Vol. 45, No. 10, 28.07.2017, p. 1141-1151.

Research output: Contribution to journalArticle

Amamra, Sid-Ali ; Ahmed, Hafiz ; El-Sehiemy, Ragab. / Firefly Algorithm Optimized Robust Protection Scheme for DC Microgrid. In: Electric Power Components and Systems. 2017 ; Vol. 45, No. 10. pp. 1141-1151.
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