High-Efficiency Grid-Tied Power Conditioning System for Fuel Cell Power Generation


Vol. 11, No. 4, pp. 551-560, Jul. 2011
10.6113/JPE.2011.11.4.551


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 Abstract

This paper proposes a grid-tied power conditioning system for the fuel cell power generation, which consists of a 2-stage DCDC converter and a 3-phase PWM inverter. The 2-stage DC-DC converter boosts the fuel cell stack voltage of 26-48V up to 400V, using a hard-switching boost converter and a high-frequency unregulated LLC resonant converter. The operation of the proposed power conditioning system was verified through simulations with PSCAD/EMTDC software. Based on the simulation results, a laboratory experimental set-up was built with a 1.2kW PEM fuel-cell stack to verify the feasibility of hardware implementation. The developed power conditioning system shows a high efficiency of 91%, which is a very positive result for the commercialization.


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Cite this article

[IEEE Style]

J. Jeong, B. Han, J. Lee, N. Choi, "High-Efficiency Grid-Tied Power Conditioning System for Fuel Cell Power Generation," Journal of Power Electronics, vol. 11, no. 4, pp. 551-560, 2011. DOI: 10.6113/JPE.2011.11.4.551.

[ACM Style]

Jong-Kyou Jeong, Byung-Moon Han, Jun-Young Lee, and Nam-Sup Choi. 2011. High-Efficiency Grid-Tied Power Conditioning System for Fuel Cell Power Generation. Journal of Power Electronics, 11, 4, (2011), 551-560. DOI: 10.6113/JPE.2011.11.4.551.