Fuzzy Logic for Energy Management in Hybrid Energy Storage Systems Integrated DC Microgrid

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

15 Scopus citations

Abstract

The direct current (DC) systems have outstanding advantages compared to the alternating current (AC), especially when it comes to renewable energy resources (RER) and microgrids (MGs). Therefore, the DC microgrid (DCMG) has become popular and drawn the attention of researchers. Due to the integration of different power sources in the single DC bus, including solar photovoltaics (PV), wind farms, diesel generators, and energy storage systems, maintaining stable bus voltage requires a complicated control system to ensure a fast-decision-making procedure. This paper presents an energy management strategy for the DCMG using a fuzzy logic-based controller. The proposed DCMG uses a hybrid energy storage system (HESS) for energy balancing and a diesel generator as a backup. The proposed strategy uses generation and loads demand and battery state of charge (SoC) to control the power flow within the MG. The energy management system keeps the SoC in a suitable range to increase the battery life. By controlling the charging and discharging of the HESS, the proposed method has a fast response to the load variation and RER intermittency to prevent the fluctuation of the voltage level of the DC bus and keep it constant. The obtained results validate the efficacy of the proposed fuzzy logic controller.

Original languageEnglish
Title of host publication2022 International Conference on Power Energy Systems and Applications, ICoPESA 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages424-429
Number of pages6
ISBN (Electronic)9781665410977
DOIs
StatePublished - 2022

Publication series

Name2022 International Conference on Power Energy Systems and Applications, ICoPESA 2022

Bibliographical note

Publisher Copyright:
© 2022 IEEE.

Keywords

  • Current-mode control
  • Energy management
  • Fuzzy logic system
  • Hybrid energy storage system
  • Intermittency
  • Microgrid
  • Renewable energy resources

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Control and Optimization

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