[4] L. Danwei and L. Hui, three-port three-phase DC–DC converter for hybrid low “A voltage fuel cell and ultracapacitor,” in pp. 2258–2563. Proc. IEEE IECON 2006, [5] P. T. Krein and R. Balog, cost inverter suitable for medium-power fuel cell “Low sources,” in pp. 321–326. Proc. IEEE PESC 2002, [6] B. Bouneb, D. M. A. Cruden, and J. R.McDonald, connected inverter “Grid suitable for economic residential fuel cell operation,” in p. 10. Proc. IEEE EPE 2005,
[4] L. Danwei and L. Hui, “A three-port three-phase DC–DC converter for hybrid low voltage fuel cell and ultracapacitor,” in Proc. IEEE IECON 2006, pp. 2258–2563. [5] P. T. Krein and R. Balog, “Low cost inverter suitable for medium-power fuel cell sources,” in Proc. IEEE PESC 2002, pp. 321–326. [6] B. Bouneb, D. M. A. Cruden, and J. R.McDonald, “Grid connected inverter suitable for economic residential fuel cell operation,” in Proc. IEEE EPE 2005, p. 10.