Establishing Realistic Testbeds for DC Microgrids Studies Validation: Needs and Challenges

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3 Scopus citations

Abstract

Microgrids are expected to be the skeleton of future modernized electrical grids, and they are receiving increased attention due to their advantages over conventional electrical grids. This paper presents the major needs and challenges of establishing realistic and accurate experimental DC microgrids testbeds. In addition, a DC microgrid experimental setup is built using combined Power-Hardware-in-the-Loop (PHIL) and controller-in-the-Loop (CIL) typology, where the dynamics of renewable energy sources and storage devices are considered. The experimental DC microgrid testbed consists of a real-time digital simulator (RTDS) that communicates with a dSPACE MicroLabBox controller via Ethernet connection, which eliminates the need for physical connections between the two. Moreover, the control of the energy sources in the DC microgird is improved by the application of result adaptive proportional integral control. The adaptive controller enhances both transient and steady-state performances of the bidirectional dc-dc converters used to control the power flow of the energy sources in the DC microgrid. The real-time simulation and experimental results show the accuracy of developed DC microgid testbed and its feasibility for expansion and validating advanced microgrids studies.

Original languageBritish English
Title of host publication2020 IEEE Industry Applications Society Annual Meeting, IAS 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728171920
DOIs
StatePublished - 10 Oct 2020
Event2020 IEEE Industry Applications Society Annual Meeting, IAS 2020 - Detroit, United States
Duration: 10 Oct 202016 Oct 2020

Publication series

Name2020 IEEE Industry Applications Society Annual Meeting, IAS 2020

Conference

Conference2020 IEEE Industry Applications Society Annual Meeting, IAS 2020
Country/TerritoryUnited States
CityDetroit
Period10/10/2016/10/20

Keywords

  • adaptive control
  • control-in-the-loop (CIL)
  • DC microgrids
  • power-hardware-in-the-loop (PHIL)
  • real-time digital simulator (RTDS)

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