An Efficient Voltage Compensation and SoC-based Power Management in DC Microgrid

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

1 Scopus citations

Abstract

Direct current (DC) microgrids have recently acquired popularity because of their high efficiency, lack of frequency control and reactive power concerns, ease of integration of energy storage devices (ESDs), and direct connection of DC sources and loads. Controlling DC microgrids, on the other hand, is complex due to the coordination of various ESDs and distributed generators (DGs). In DC microgrid, voltage control and power management become challenging tasks as DGs, ESDs, and loads are connected to a DC bus. In this paper, state of charge (SoC) based power management and fractional order integral voltage compensation are proposed for DC microgrid. A complete mathematical model is developed for the proposed controller to facilitate controller parameter tuning. The DC microgrid consists of batteries, DGs, and loads. The fractional-order voltage compensation improves the DC voltage significantly as compared to the conventional controller, while the SoC-based power management scheme provides rapid SoC balancing among the ESDs. The proposed controller shows excellent performance in terms of voltage control and SoC balancing over the existing approach, as depicted by the simulation results.

Original languageEnglish
Title of host publication2023 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781665453554
DOIs
StatePublished - 2023
Event2023 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2023 - Washington, United States
Duration: 16 Jan 202319 Jan 2023

Publication series

Name2023 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2023

Conference

Conference2023 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2023
Country/TerritoryUnited States
CityWashington
Period16/01/2319/01/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • DC microgrids
  • battery
  • converter
  • power management
  • state of charge
  • voltage control

ASJC Scopus subject areas

  • Artificial Intelligence
  • Computer Networks and Communications
  • Information Systems and Management
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Control and Optimization

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