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Economic-Driven Frequency Regulation in Multi-Terminal HVDC Systems: A Cooperative Distributed Approach

  • Yubin Jia
  • , Ke Meng
  • , Changyin Sun*
  • , Liang Yuan
  • , Zhao Yang Dong
  • *Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

In this paper, a distributed economic model predictive control (EMPC) method is proposed for economic operation and frequency regulation in isolated AC subsystems interconnected through multi-terminal HVDC (MTDC) transmission system. Economic-driven frequency regulation, including economic operation and frequency regulation, normally implemented in a separate and hierarchical way, can be integrated through the proposed EMPC. Instead of competing with neighboring subsystems, the proposed distributed EMPC encourages cooperation among the interconnected subsystems, improving system-wide control performance. A suitable Lyapunov function is utilized to prove the stability of the proposed method. Simulations are used to demonstrate the performance of the proposed EMPC method.

© 2019 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.
Original languageEnglish
Article number8903458
Pages (from-to)2245-2255
JournalIEEE Transactions on Power Systems
Volume35
Issue number3
Online published18 Nov 2019
DOIs
Publication statusPublished - May 2020
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Research Keywords

  • distributed control
  • economic model predictive control
  • economic operation
  • frequency regulation
  • Multi-terminal HVDC

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