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Power Constrained Control of Average Consensus Method for Secondary Frequency Regulation in Islanded Microgrid

  • School of New Energy, Harbin Institute of Technology Weihai

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The average consensus method has been widely used in distributed secondary frequency control of islanded microgrid. However, this method cannot limit the output power of distributed generator (DG) within a safe range. To solve this issue, we first analyzed the saturator-based control and found that the combination of saturator and consensus protocol will cause a conflict between frequency recovery and the power sharing. Subsequently, a power limit constraint controller composed of a saturator and a logic judgment module is proposed in this paper. By adding the logic judgment in front of the average consensus protocol, the conflict is completely resolved. In addition, the cooperation between the proposed controller and the average consensus protocol enables frequency recovery, power sharing and power constraint objectives to be effectively achieved. Finally, the performance of the proposed control method is verified by a 5-node simulation model in MATLAB/SimPowerSystems.

Original languageEnglish
Title of host publication2020 IEEE/IAS Industrial and Commercial Power System Asia, I and CPS Asia 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages156-161
Number of pages6
ISBN (Electronic)9781728143033
DOIs
StatePublished - Jul 2020
Externally publishedYes
Event2020 IEEE/IAS Industrial and Commercial Power System Asia, I and CPS Asia 2020 - Weihai, China
Duration: 13 Jul 202016 Jul 2020

Publication series

Name2020 IEEE/IAS Industrial and Commercial Power System Asia, I and CPS Asia 2020

Conference

Conference2020 IEEE/IAS Industrial and Commercial Power System Asia, I and CPS Asia 2020
Country/TerritoryChina
CityWeihai
Period13/07/2016/07/20

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

Keywords

  • Average consensus control
  • Distributed secondary frequency control
  • Microgrid
  • Power limit constraint control.

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