Comparison of Hierarchical Control and Distributed Control for Microgrid

Xianyong Feng, Aditya Shekhar, Fang Yang, Robert E. Hebner, Pavol Bauer

Research output: Contribution to journalArticleScientificpeer-review

30 Citations (Scopus)

Abstract

Microgrid concept has been widely adopted by power and energy community to boost the resilience and enhance the economics of the energy system. Stability control and economic control are two main factors to enable the reliable and efficient operation of microgrids. This paper presents two different control approaches for microgrids. The first control method adopts hierarchical structure. Each controllable resource is complied with a local controller and the microgrid is managed and optimized by a central supervisor controller. The second control method adopts the distributed structure. Distributed controller of each energy resource can communicate with each other to achieve global goals. This paper discusses the main features of these two methods and provides recommendations on how to choose appropriate control for different types of microgrids. A case study illustrates the performance difference of the two methods from economic point of view.

Original languageEnglish
Pages (from-to)1043-1056
Number of pages14
JournalElectric Power Components and Systems
Volume45
Issue number10
DOIs
Publication statusPublished - 2017

Keywords

  • distributed control
  • energy management system
  • hierarchical control
  • microgrid
  • stability control

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