Hierarchical Control of Grid-Connected Hydrogen Electrolyzer Providing Grid Services

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1 Scopus Citations

Abstract

This paper presents the operational modes and control architecture of the grid-connected hydrogen electrolyzer systems for the provision of frequency and voltage supports. The analysis is focused on the primary and secondary loops in the hierarchical control scheme. At the power converter inner control loop, the voltage- and current-control modes are analyzed. At the primary level, the droop and opposite droop control strategies to provide voltage and frequency support are described. Coordination between primary control and secondary, tertiary reserves is briefly discussed. The case studies and real-time hardware-in-the-loop simulation results are provided using Typhoon HIL to back the theoretical investigation.

Original languageAmerican English
Number of pages6
DOIs
StatePublished - 2022
Event1st IEEE Industrial Electronics Society Annual On-Line Conference, ONCON 2022 - Kharagpur, India
Duration: 9 Dec 202211 Dec 2022

Conference

Conference1st IEEE Industrial Electronics Society Annual On-Line Conference, ONCON 2022
Country/TerritoryIndia
CityKharagpur
Period9/12/2211/12/22

Bibliographical note

Publisher Copyright:
© 2022 IEEE.

NREL Publication Number

  • NREL/CP-5700-84652

Keywords

  • ancillary services
  • controllable loads
  • Electrolyzer
  • grid-supporting
  • hierarchical control
  • power converter

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