The Use of Power Line Communication in Standalone Microgrids

Dmitry Miller, Galina Mirzaeva, Christopher Townsend, Graham Clifford Goodwin

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Standalone Microgrids are used in various industrial operations to supply critical loads. The authors have proposed a stable and robust decentralised AC microgrid architecture, that provides an automatic and equitable load sharing between distributed generators, without the use of droop control. To deal with faults or real-time changes in the distributed generation levels, flexible reconfiguration of the microgrid can be advantageous. To achieve that, this paper proposes the use of Power Line Communication (PLC). Two PLC strategies are explored in the paper: the first is based on using a single and constant PLC frequency, and the second is based on using a variable PLC frequency within a given range. The paper details PLC injection, detection and suppression methods, as well as the overall communication logic. It demonstrates the ability of the microgrid to adapt to changes while minimizing the amount of battery support. Findings of the paper are supported by simulations and validated by experiments.

Original languageEnglish
Article number9347693
Pages (from-to) 3029 - 3037
Number of pages9
JournalIEEE Transactions on Industry Applications
Issue number3
Publication statusPublished - 1 May 2021


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