Improved Variable DC Approach to Minimize Drivetrain Losses in Fuel Cell Marine Power Systems

Arber Haxhiu, Jorma Kyyrä, Ricky Chan, Sami Kanerva

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

2 Sitaatiot (Scopus)
76 Lataukset (Pure)

Abstrakti

This article proposes a novel approach for operating hybrid fuel cell and battery power systems in marine vessels. The target of the approach is to reduce energy losses in drivetrain devices. In the proposed approach, the dc bus voltage of the hybrid power system is adjusted according to fuel cell operating points, which enables operation in freewheel mode, and thus significantly reducing power conversion losses. Feasibility of the proposed approach is verified using a real-time hardware-in-loop simulation setup consisting of prevalidated virtual models and real industrial power converter controllers. The results presented in the work illustrate that the variable dc approach enables significant improvements in drivetrain efficiencies, and thus providing significant savings for vessel operators. Additionally, variable dc approach is shown to eliminate high-frequency current ripple at the fuel cell terminals, which can further improve the efficiency and the lifetime of the fuel cells.

AlkuperäiskieliEnglanti
Artikkeli9247287
Sivut882-893
Sivumäärä12
JulkaisuIEEE Transactions on Industry Applications
Vuosikerta57
Numero1
Varhainen verkossa julkaisun päivämäärä3 marraskuuta 2020
DOI - pysyväislinkit
TilaJulkaistu - tammikuuta 2021
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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