Fuel cell/supercapacitor passive configuration sizing approach for vehicular applications


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Dépature, Clément, Macías, Alvaro, Jácome, Andres, Boulon, Loïc, Solano, Javier et Trovão, João P. (2020). Fuel cell/supercapacitor passive configuration sizing approach for vehicular applications. International Journal of Hydrogen Energy, 45 (50). pp. 26501-26512. ISSN 0360-3199 DOI 10.1016/j.ijhydene.2020.05.040

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Active configuration i.e., source coupling via a power converter, is the most common configuration for fuel cell/supercapacitor (FC/SC) vehicles. Passive connection of the FC with the SCs without any converters is an original and less expensive solution to distribute the power among the sources. This passive configuration does not require an energy management strategy. In fact, the power distribution only depends on the FC and SC impedance characteristics. Conventional methods to size the SC follow two criteria: storage capacity and maximum voltage. In this paper, a third criterion is added which is the FC operating current dynamics. This novel sizing methodology reduces the FC degradation and improves the global system efficiency. Experimental results provide validation to the proposed sizing approach. The SCs boost the FC to meet the requirements of the load with a guarantee of system stability reaching higher global performances and less stress to the FC.

Type de document: Article
Mots-clés libres: energy management fuel cell passive configuration multi-source sizing supercapacitor vehicular applications
Date de dépôt: 25 juin 2020 18:23
Dernière modification: 22 févr. 2021 16:38
Version du document déposé: Post-print (version corrigée et acceptée)
URI: https://depot-e.uqtr.ca/id/eprint/9215

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