A single-phase grid-connected fuel cell system based on a boost-inverter

Minsoo Jang, Mihai Ciobotaru, Vassilios G. Agelidis

Research output: Contribution to journalArticlepeer-review

134 Citations (Scopus)


In this paper, the boost-inverter topology is used as a building block for a single-phase grid-connected fuel cell (FC) system offering low cost and compactness. In addition, the proposed system incorporates battery-based energy storage and a dc dc bidirectional converter to support the slow dynamics of the FC. The single-phase boost inverter is voltage-mode controlled and the dc dc bidirectional converter is current-mode controlled. The low-frequency current ripple is supplied by the battery which minimizes the effects of such ripple being drawn directly from the FC itself.Moreover, this system can operate either in a grid-connected or stand-alone mode. In the grid-connected mode, the boost inverter is able to control the active (P) and reactive (Q) powers using an algorithm based on a second-order generalized integrator which provides a fast signal conditioning for single-phase systems. Design guidelines, simulation, and experimental results taken from a laboratory prototype are presented to confirm the performance of the proposed system.
Original languageEnglish
Pages (from-to)279-288
Number of pages10
JournalIEEE Transactions on Power Electronics
Issue number1
Publication statusPublished - Jan 2013
Externally publishedYes


  • boost inverter
  • fuel cell
  • grid-connected inverter
  • power conditioning system (PCS)
  • PQ control


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