Abstract

With the rapid development of power electronics technology, microgrid (MG) concept has been widely accepted in the field of electrical engineering. Due to the advantages of direct current (DC) distribution systems such as reduced losses and easy integration with energy storage resources, DC MGs have drawn increasing attentions nowadays. With the increase of distributed generation, a DC MG consisting of multiple sources is a hot research topic. The challenge in such a multi-source DC MG is to provide voltage support and good power sharing performance. As the control strategy plays an important role in ensuring MG’s power quality and efficiency, a comprehensive review of the state-of-art control approaches in DC MGs is necessary. This paper provides an overview of the primary and secondary control methods under the hierarchical control architecture for DC MGs. Specifically, inner loop and droop control approaches in primary control are reviewed. Centralized, distributed, and decentralized approach based secondary control is discussed in details. Key findings and future trends are also presented at last.

Details

Title
Primary and secondary control in DC microgrids: a review
Author
GAO, Fei 1   VIAFID ORCID Logo  ; KANG, Ren 2 ; CAO, Jun 3 ; YANG, Tao 4 

1  Department of Engineering Science, University of Oxford, Oxford, UK 
2  Mixergy, Oxford, UK 
3  School of Geography, Geology and the Environment, Keele University, Keele, UK 
4  Department of Electric and Electronic Engineering, The University of Nottingham, Nottingham, UK 
Pages
227-242
Publication year
2019
Publication date
Mar 2019
Publisher
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
ISSN
21965625
e-ISSN
21965420
Source type
Scholarly Journal
Language of publication
English
DOI
https://doi.org/10.1007/s40565-018-0466-5
ProQuest document ID
2158401681
Copyright
Journal of Modern Power Systems and Clean Energy is a copyright of Springer, (2018). All Rights Reserved., © 2018. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.