Open AccessChallenges, advances and future directions in protection of hybrid AC/DC microgrids
Author(s) -
Mirsaeidi Sohrab,
Dong Xinzhou,
Shi Shenxing,
Tzelepis Dimitrios
Publication year - 2017
Publication title -
iet renewable power generation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.005
H-Index - 76
ISSN - 1752-1424
DOI - 10.1049/iet-rpg.2017.0079
Subject(s) - realisation , converters , computer science , electronic engineering , energy storage , electrical engineering , power (physics) , engineering , voltage , physics , quantum mechanics
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 sources, energy storage systems and loads to AC or DC buses. In this study, 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.