期刊
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
卷 52, 期 -, 页码 1251-1259出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2015.07.194
关键词
Distributed power generation; Hybrid; Microgrids; Renewable energy sources; Smart grids; Solid state transformers; Topology
资金
- Basque Government [PRE_2014_1_408]
Microgrids have been widely studied in the literature as a possible approach for the integration of distributed energy sources with energy storage systems in the electric network. Until now the most used configuration has been the ac microgrid, but dc-based microgrids are gaining interest due to the advantages they provide over their counterpart (no reactive power, no synchronization, increasing number of dc devices, etc.). Therefore, hybrid ac/dc microgrids are raising as an optimal approach as they combine the main advantages of ac and dc microgrids. This paper reviews the most interesting topologies of hybrid ac/dc microg-rids based on the interconnection of the ac and dc networks and the conventional power network. After performing a description and analysis of each configuration, a comparative evaluation has been performed to highlight the most important features of each one. The future trends identified during the study also show that several features such as the scalability, modeling or design require further research towards the integration of hybrid microgrids in the power network. (C) 2015 Elsevier Ltd. All rights reserved.
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