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A Methodology for Sizing Backup Fuel-Cell/Battery Hybrid Power Systems

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4 Author(s)
Vasallo, M.J. ; Dept. of Electron. Eng., Comput. Syst., & Automatics, Univ. of Huelva, Huelva, Spain ; Andujar, J.M. ; Garcia, C. ; Brey, J.J.

Hybridization of fuel cells and batteries combines the advantages of both power sources. This paper proposes the use of fuel-cell/battery hybrid power systems as backup power systems and develops a methodology for sizing both fuel cell and battery bank, according to a minimum lifecycle cost criterion, from any defined hourly load profile and any defined backup time. For this purpose, an existing power-system-sizing computer tool has been used, but its initial capabilities have been extended. The developed methodology allows decisions to be taken before any investment is made. As a practical application, the methodology is used for the sizing of a backup power system for a telecommunication system.

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Industrial Electronics, IEEE Transactions on  (Volume:57 ,  Issue: 6 )