Power management and control strategies for efficient operation of a solar power dominated hybrid DC microgrid for remote power applications

N. Mendis, M. A. Mahmud, T. K. Roy, M. E. Haque, K. M. Muttaqi

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

13 Citations (Scopus)

Abstract

In this paper, a hybrid DC microgrid consisting of a diesel generator with a rectifier, a solar photovoltaic (PV) system and a battery energy storage system is presented in relation to an effective power management strategy and two different control techniques implemented for power electronic interfaces. The solar PV and battery energy storage system are considered as the main source of energy that supply the load demand on a regular basis whereas the diesel generator is used as a backup for the emergency situations. All system components are connected to a common DC bus through an appropriate power electronics devices (e.g. rectifier systems, DC/DC converter). Also a detailed sizing philosophy of all components along with the power management strategy is proposed. Monthly basis energy distribution patterns of each individual component have also been presented. The power delivered by the solar PV system and diesel generator is controlled via DC-DC converter and excitation controller which are designed based on a linear quadratic regulator (LQR) technique as well as proportional integral (PI) controllers. The component level power distribution is investigated using these controllers under fluctuating load and solar irradiation conditions and comparative results are presented.

Original languageEnglish
Title of host publicationIEEE Industry Application Society, 52nd Annual Meeting
Subtitle of host publicationIAS 2016
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages8
ISBN (Electronic)9781467386715
DOIs
Publication statusPublished - 2 Oct 2016
Externally publishedYes
Event52nd Annual Meeting on IEEE Industry Application Society, IAS 2016 - Portland, United States
Duration: 2 Oct 20166 Oct 2016

Publication series

NameIEEE Industry Application Society, 52nd Annual Meeting: IAS 2016

Conference

Conference52nd Annual Meeting on IEEE Industry Application Society, IAS 2016
Country/TerritoryUnited States
CityPortland
Period2/10/166/10/16

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