Investigation of a decentralised control strategy for grid frequency support from DC microgrids

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Abstract

DC microgrids are capable of integrating and coordinating distributed energy resources into power systems, along with providing services to the wider system e.g. balancing, frequency support, demand response, etc. This paper investigates the capability of DC microgrids providing grid frequency support, for the GB Enhanced Frequency Response service. In this study, photovoltaic generation, energy storage, and load, form the DC microgrids. The control strategy is a decentralised scheme, based on conventional droop control for active power sharing and grid frequency support. Droop control is also used within the DC microgrid for power sharing amongst generation and load. Scenarios are conducted to evaluate the effectiveness of the control strategy and verified by MATLAB/Simulink simulations.
Original languageEnglish
Number of pages6
JournalThe Journal of Engineering
Early online date1 Jul 2019
DOIs
Publication statusE-pub ahead of print - 1 Jul 2019
EventThe 7th International Conference on Renewable Power Generation (RPG2018) - DTU, Lyngby, Copenhagen, Denmark
Duration: 26 Sep 201827 Sep 2018
https://events.theiet.org/rpg/index.cfm

Keywords

  • DC microgrids
  • grid frequency support
  • decentralised control strategy,

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