A Virtual Inertia Compensation Control Technique for DC Microgrid Voltage Stabilization

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Abstract

In DC microgrid, distributed energy storage devices (DESDs) are crucial for preserving voltage stability. A virtual inertia compensation control (VICC) approach for DESDs in DC microgrid is proposed in this study to increase the inertia of DC microgrid and balance the charge/discharge power. The proposed controller employs an inertia compensation loop in addition to the inner voltage and current control loops. The voltage compensation and inertia terms are additional in the proposed approach to support DC bus voltage stabilization. The proposed controller has two folds advantages: bus voltage error minimization in steady-state condition and voltage oscillation damping in transient condition. The proposed approach also effectively distributes transient and steady-state power between the supercapacitor and battery, respectively. A test microgrid comprising the battery, supercapacitor, distributed generators, and loads is developed in real-time digital simulation (RTDS) platform. The RTDS implementation results show the effectiveness of the proposed VICC approach.

Original languageEnglish
Title of host publication2023 IEEE Power and Energy Society General Meeting, PESGM 2023
PublisherIEEE Computer Society
ISBN (Electronic)9781665464413
DOIs
StatePublished - 2023
Event2023 IEEE Power and Energy Society General Meeting, PESGM 2023 - Orlando, United States
Duration: 16 Jul 202320 Jul 2023

Publication series

NameIEEE Power and Energy Society General Meeting
Volume2023-July
ISSN (Print)1944-9925
ISSN (Electronic)1944-9933

Conference

Conference2023 IEEE Power and Energy Society General Meeting, PESGM 2023
Country/TerritoryUnited States
CityOrlando
Period16/07/2320/07/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • Battery and supercapacitor
  • DC microgrid
  • state-of-charge
  • virtual inertia compensation
  • voltage fluctuation

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Nuclear Energy and Engineering
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering

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