Broadcast gossip algorithms for distributed peer-to-peer control in AC microgrids

Lai, J, Lu, X, Wang, F, Dehghanian, P and Tang, R 2019, 'Broadcast gossip algorithms for distributed peer-to-peer control in AC microgrids', IEEE Transactions on Industry Applications, vol. 55, no. 3, pp. 2241-2251.

Document type: Journal Article
Collection: Journal Articles

Title Broadcast gossip algorithms for distributed peer-to-peer control in AC microgrids
Author(s) Lai, J
Lu, X
Wang, F
Dehghanian, P
Tang, R
Year 2019
Journal name IEEE Transactions on Industry Applications
Volume number 55
Issue number 3
Start page 2241
End page 2251
Total pages 11
Publisher Institute of Electrical and Electronics Engineers
Abstract This paper focuses on a fully distributed peer-to-peer control scheme for voltage regulation and reactive power sharing of multiple inverter-based distributed energy resources (DERs) in ac microgrids. The proposed peer-to-peer control strategy is fully distributed enabled through broadcast gossip communication, where each DER unit only requires local voltage and current measurement from its own and some (but not all) nearby neighbors for the voltage and reactive power sharing control. Employing the broadcast gossip communication protocol with attractive scalability and reliability properties, the control inputs can be updated to restore the voltage magnitudes at the point of common coupling to a desired value ensuring an accurate reactive power sharing for each DER. Since the proposed distributed controllers are implemented on local DERs, the central controller and hierarchy are no longer required. Accordingly, the microgrid system stability is preserved in the peer-to-peer requirements of line switches, which in turn, enables a plug-and-play operation of DERs and their robustness against microgrid topology change scenarios. Simulation studies in a modified IEEE 34-bus test network demonstrate the effectiveness and applicability of the proposed control strategy.
Subject Information and Computing Sciences not elsewhere classified
Keyword(s) Autonomous microgrid
broadcast gossip protocol
distributed peer-to-peer control
reactive power sharing
voltage regulation
DOI - identifier 10.1109/TIA.2019.2898367
Copyright notice © 2019 IEEE.
ISSN 0093-9994
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