Challenges, advances and future directions in protection of hybrid AC/DC microgrids

Mirsaeidi, Sohrab and Dong, Xinzhou and Shi, Shenxing and Tzelepis, Dimitrios (2017) Challenges, advances and future directions in protection of hybrid AC/DC microgrids. IET Renewable Power Generation. ISSN 1752-1416 (https://doi.org/10.1049/iet-rpg.2017.0079)

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Abstract

Hybrid microgrids which consist of AC and DC subgrids interconnected by power electronic interfaces have attracted much attention in recent years. They not only can integrate the main benefits of both AC and DC configurations, but also can reduce the number of converters in connection of Distributed Generation (DG) sources, Energy Storage Systems (ESSs) and loads to AC or DC buses. In this paper, the structure of hybrid microgrids is discussed, and then a broad overview of the available protection devices and approaches for AC and DC subgrids is presented. After description, analysis and classification of the existing schemes, some research directions including communication infrastructures, combined control and protection schemes, and promising devices for the realisation of future hybrid AC/DC microgrids are pointed out.

ORCID iDs

Mirsaeidi, Sohrab, Dong, Xinzhou, Shi, Shenxing and Tzelepis, Dimitrios ORCID logoORCID: https://orcid.org/0000-0003-4263-7299;
CORE (COnnecting REpositories)