A Reconfigurable Hybrid AC/DC Microgrid Clustering Architecture with Decentralized Control for Coordinated Operation

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

Abstract

Microgrid cluster embraces huge application potential with the development of Energy Internet. This paper proposes a novel hybrid AC/DC microgrid clustering architecture that is of scalability and reconfigurability. Under this architecture, a decentralized control scheme is also introduced. First, a novel interlinking converter named by the energy networking unit (ENU) is introduced, which could access to the AC and DC power grid in individual microgrid, as well as the outer power grid. Second, the clustering architecture established on the ENU is developed. Due to the reconfigurability of ENUs' topologies, this architecture facilitates the AC/DC connection among multiple microgrids via the unified power conversion modules, thus increasing the conversion efficiency and lowering the system cost. Last, an introduced decentralized control scheme is able to achieve autonomous power coordination between heterogeneous subsystems in individual microgrid, as well as a coordinated and active power interaction within the cluster. Comprehensive cases demonstrates the validity of the proposed novel clustering architecture and control scheme.

Original languageEnglish
Title of host publication5th IEEE Conference on Energy Internet and Energy System Integration
Subtitle of host publicationEnergy Internet for Carbon Neutrality, EI2 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages3685-3691
Number of pages7
ISBN (Electronic)9781665434256
DOIs
StatePublished - 2021
Externally publishedYes
Event5th IEEE Conference on Energy Internet and Energy System Integration, EI2 2021 - Taiyuan, China
Duration: 22 Oct 202125 Oct 2021

Publication series

Name5th IEEE Conference on Energy Internet and Energy System Integration: Energy Internet for Carbon Neutrality, EI2 2021

Conference

Conference5th IEEE Conference on Energy Internet and Energy System Integration, EI2 2021
Country/TerritoryChina
CityTaiyuan
Period22/10/2125/10/21

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

  • Autonomous operation
  • Decentralized coordination
  • Energy networking unit (ENU)
  • Microgrid clustering architecture

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