Power flow analysis of AC/DC hybrid microgrids

A. A. Eajal, Mohamed A. Abdelwahed, E. F. El-Saadany, K. Ponnambalam

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

8 Scopus citations

Abstract

The future smart grid can have an AC/DC hybrid structure that enables the integration of AC/DC energy supply and demand, thus permitting the formation of AC/DC hybrid microgrids (HMGs). The AC/DC HMG is a promising concept that provides the envisioned smart grid with the plug-and-play feature. Nevertheless, understanding such hybrid systems, especially during islanding, require an accurate and robust load flow program. To this end, this paper proposes a novel robust power flow algorithm for isolated AC/DC HMGs. The power flow problem is formulated as a least-squares minimization problem, and solved using the Levenberg-Marquardt algorithm. The accuracy of the proposed load flow algorithm is validated against time domain simulation results, while its robustness is demonstrated on a highly-resistive network. The proposed load flow algorithm is expected to reveal the light for further studies on AC/DC HMGs.

Original languageBritish English
Title of host publication2016 IEEE Electrical Power and Energy Conference, EPEC 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509019199
DOIs
StatePublished - 5 Dec 2016
Event2016 IEEE Electrical Power and Energy Conference, EPEC 2016 - Ottawa, Canada
Duration: 12 Oct 201614 Oct 2016

Publication series

Name2016 IEEE Electrical Power and Energy Conference, EPEC 2016

Conference

Conference2016 IEEE Electrical Power and Energy Conference, EPEC 2016
Country/TerritoryCanada
CityOttawa
Period12/10/1614/10/16

Keywords

  • AC/DC hybrid microgrid
  • interlinking converter
  • Levenberg-Marquardt
  • load flow

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