Identification and Stabilization of Constant Power Loads in AC Microgrids

Jiajun Yang, Sandro Guenter, Giampaolo Buticchi, Chunyang Gu, Zhixiang Zou, Zheng Wang, Patrick Wheeler

Research output: Journal PublicationArticlepeer-review

Abstract

Microgrids represent an attractive solution for a more flexible way to manage electrical power systems, potentially allowing for increased distributed generation and smarter usage of the available electrical power. However, the presence of power electronics and their control can challenge the system stability, especially power electronic converters with constant power load behavior. This paper considers a novel on-line load identification (OLLI) technique applied to the control of power electronic converters, as well as two control strategies to achieve stabilization of the whole system. The OLLI algorithm and the stabilizing effects of the proposed control strategies are validated through simulation and laboratory experiments, showing the feasibility of the presented work applied in future microgrids.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalIEEE Transactions on Industrial Electronics
DOIs
Publication statusAccepted/In press - 2023

Keywords

  • AC microgrid
  • Behavioral sciences
  • load identification
  • load management
  • Load modeling
  • Microgrids
  • Phase locked loops
  • Reactive power
  • Sensitivity
  • stability analysis
  • Voltage control

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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