An Adaptive Backstepping Based Virtual Inertial Control Framework for DC Microgrids

Subham Sahoo*, Frede Blaabjerg, Tomislav Dragicevic

*Corresponding author

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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Abstract

An adaptive backstepping based virtual inertial controller is encompassed to emulate the inertial characteristics of a synchronous machine in AC grid for a DC microgrid with various sources. This paper focuses on associating both AC and DC dynamics by estimating the angular momentum inertia and damping coefficient of the grid with the help of a voltage droop control used in the DC side. Moreover, a well-trodden power management strategy in the DC side under normal circumstances along with transition from inversion to rectification mode is proposed to increase the operational reliability. The robust performance of the proposed control strategy is tested under both simulated and experimental conditions.
Original languageEnglish
Title of host publication2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)
Number of pages6
PublisherIEEE
Publication dateNov 2020
Pages85-90
Article number9244327
ISBN (Print)978-1-7281-6991-0
ISBN (Electronic)978-1-7281-6990-3
DOIs
Publication statusPublished - Nov 2020
Event11th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020 - Dubrovnik, Croatia
Duration: 28 Sep 20201 Oct 2020

Conference

Conference11th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020
CountryCroatia
CityDubrovnik
Period28/09/202001/10/2020
SeriesIEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)
ISSN2329-5767

Keywords

  • DC Microgrids
  • Virtual inertia
  • Adaptive Backstepping
  • Grid applications
  • Grid Connected Converter
  • Lyapunov Stability
  • Non-linear Control

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