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A dual-window DC bus interacting method for DC microgrids hierarchical control scheme
journal contribution
posted on 2019-06-27, 10:40 authored by Fulong Li, Zhengyu LinZhengyu Lin, Zhongnan Qian, Jiande Wu, Wei JiangHierarchical control schemes have been commonly
employed in DC microgrid controls, which combine local control,
DC bus voltage coordination and communication links to
guarantee smart operation of DC microgrids. Conventional DC
bus voltage regulation cannot conduct signal exchange.
Therefore, external communication links are usually needed for
hierarchical control schemes. However, once the communication
link fails, the hierarchical control system will lose its ability to
coordinate the distributed power smartly. This paper proposed a
dual-window DC bus interacting (DBI) method to exchange
information between the distributed energy sources, for the
situations where communication link fails or is not available. A
small-scale DC microgrid experimental system was setup, and a
simple Master-Slave control scheme is implemented without
communication link to demonstrate the feasibility of the
proposed DBI method for DC microgrid controls. The
expandability and immunity of the proposed DBI method were
also evaluated.
Funding
EPSRC-UKRI Innovation Fellowship scheme under grant No. EP/S001662/1, and the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 734796
History
School
- Mechanical, Electrical and Manufacturing Engineering
Published in
IEEE Transactions on Sustainable EnergyVolume
11Issue
2Pages
652 - 661Citation
LI, F. ... et al., 2020. A dual-window DC bus interacting method for DC microgrids hierarchical control scheme. IEEE Transactions on Sustainable Energy, 11 (2), pp.652-661.Publisher
© IEEEVersion
- AM (Accepted Manuscript)
Publication date
2019-02-20Notes
© IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.ISSN
1949-3029eISSN
1949-3037Publisher version
Language
- en