Power flow control through the UNIFLEX-PM under different network conditions

Stefano Bifaretti, Pericle Zanchetta, Mihai Ciobotaru, Florin Iov, Jon C. Clare

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


The future electricity network has to be able to manage energy coming from different grids as well as from Renewable Energy Sources (RES) and other Distributed Generation (DG) systems. Advanced power electronic converters, like the Universal and Flexible Power Management (UNIFLEX-PM) structure, can provide the means to control power flow and assure proper and secure operation of future networks. This paper presents the analysis and design of advanced control techniques for the back-to-back three-phase AC-DC-AC multi-level converter employed in the UNIFLEX-PM system. The proposed strategies have been successfully tested through simulation for bidirectional power flow operation with different grid operating conditions such as voltage unbalance, frequency variation and harmonic distortion.
Original languageEnglish
Pages (from-to)32-41
Number of pages10
JournalEPE Journal (European Power Electronics and Drives Journal)
Issue number4
Publication statusPublished - 2009
Externally publishedYes


  • power distribution
  • multi-level converters
  • converter control
  • smart grid


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