Research of Current-Sharing Control Strategy of Parallel PEMFC DC Power Supply System

Lei Xu; Ye Xu; Jin Quan Wang; Jian Hua Fang; Shan Luo

doi:10.4028/www.scientific.net/AMM.694.173

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 694Research of Current-Sharing Control Strategy of...

Research of Current-Sharing Control Strategy of Parallel PEMFC DC Power Supply System

Abstract:

For the problems of different parameters PEMFC (Proton Exchange Membrane Fuel Cell) applied to dc micro-grid at the same time, the basic framework of two parallel PEMFC dc power supply system was put forward in this paper, meanwhile, the characteristics of this system was analyzed. For the problem of branch current distribution of parallel system, this paper set up the small signal mathematical model of BUCK connected in parallel, designed the control circuit of current-sharing of this system. Finally ,the simulation experiments verified the accuracy and rapidity of current sharing and the reliability and stability of this system, when the sub-circuit was fault.

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Periodical:

Applied Mechanics and Materials (Volume 694)

Pages:

173-178

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.694.173

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Online since:

November 2014

Authors:

Lei Xu*, Ye Xu, Jin Quan Wang, Jian Hua Fang, Shan Luo

Keywords:

Connected in Parallel, Current-Sharing, DC Micro-Grid, PEMFC

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* - Corresponding Author

References

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